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SnappyData store based off Pivotal GemFireXD
/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.internal.cache;
import com.gemstone.gemfire.CopyHelper;
import com.gemstone.gemfire.DataSerializer;
import com.gemstone.gemfire.DeltaSerializationException;
import com.gemstone.gemfire.GemFireIOException;
import com.gemstone.gemfire.InvalidDeltaException;
import com.gemstone.gemfire.SerializationException;
import com.gemstone.gemfire.SystemFailure;
import com.gemstone.gemfire.cache.EntryEvent;
import com.gemstone.gemfire.cache.EntryNotFoundException;
import com.gemstone.gemfire.cache.EntryOperation;
import com.gemstone.gemfire.cache.Operation;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.cache.SerializedCacheValue;
import com.gemstone.gemfire.cache.query.IndexMaintenanceException;
import com.gemstone.gemfire.cache.query.QueryException;
import com.gemstone.gemfire.cache.query.internal.IndexUpdater;
import com.gemstone.gemfire.cache.query.internal.index.IndexManager;
import com.gemstone.gemfire.cache.query.internal.index.IndexProtocol;
import com.gemstone.gemfire.cache.query.internal.index.IndexUtils;
import com.gemstone.gemfire.cache.util.TimestampedEntryEvent;
import com.gemstone.gemfire.cache.wan.GatewayQueueEvent;
import com.gemstone.gemfire.distributed.DistributedMember;
import com.gemstone.gemfire.distributed.DistributedSystem;
import com.gemstone.gemfire.distributed.internal.DistributionMessage;
import com.gemstone.gemfire.distributed.internal.membership.InternalDistributedMember;
import com.gemstone.gemfire.i18n.LogWriterI18n;
import com.gemstone.gemfire.internal.Assert;
import com.gemstone.gemfire.internal.ByteArrayDataInput;
import com.gemstone.gemfire.internal.DSFIDFactory;
import com.gemstone.gemfire.internal.DataSerializableFixedID;
import com.gemstone.gemfire.internal.HeapDataOutputStream;
import com.gemstone.gemfire.internal.InternalDataSerializer;
import com.gemstone.gemfire.internal.LogWriterImpl;
import com.gemstone.gemfire.internal.Sendable;
import com.gemstone.gemfire.internal.cache.FilterRoutingInfo.FilterInfo;
import com.gemstone.gemfire.internal.cache.delta.Delta;
import com.gemstone.gemfire.internal.cache.locks.LockingPolicy;
import com.gemstone.gemfire.internal.cache.partitioned.PartitionMessage;
import com.gemstone.gemfire.internal.cache.partitioned.PutMessage;
import com.gemstone.gemfire.internal.cache.tier.sockets.CacheServerHelper;
import com.gemstone.gemfire.internal.cache.tier.sockets.ClientProxyMembershipID;
import com.gemstone.gemfire.internal.cache.wan.GatewaySenderEventCallbackArgument;
import com.gemstone.gemfire.internal.cache.versions.VersionStamp;
import com.gemstone.gemfire.internal.cache.versions.VersionTag;
import com.gemstone.gemfire.internal.i18n.LocalizedStrings;
import com.gemstone.gemfire.internal.offheap.ByteSource;
import com.gemstone.gemfire.internal.offheap.OffHeapHelper;
import com.gemstone.gemfire.internal.offheap.OffHeapRegionEntryHelper;
import com.gemstone.gemfire.internal.offheap.Releasable;
import com.gemstone.gemfire.internal.offheap.SimpleMemoryAllocatorImpl;
import com.gemstone.gemfire.internal.offheap.SimpleMemoryAllocatorImpl.Chunk;
import com.gemstone.gemfire.internal.offheap.StoredObject;
import com.gemstone.gemfire.internal.offheap.annotations.Released;
import com.gemstone.gemfire.internal.offheap.annotations.Retained;
import com.gemstone.gemfire.internal.offheap.annotations.Unretained;
import static com.gemstone.gemfire.internal.offheap.annotations.OffHeapIdentifier.ENTRY_EVENT_NEW_VALUE;
import static com.gemstone.gemfire.internal.offheap.annotations.OffHeapIdentifier.ENTRY_EVENT_OLD_VALUE;
import com.gemstone.gemfire.internal.shared.Version;
import com.gemstone.gemfire.internal.util.ArrayUtils;
import com.gemstone.gemfire.internal.util.BlobHelper;
import com.gemstone.gemfire.pdx.internal.PeerTypeRegistration;
import java.io.ByteArrayInputStream;
import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.IOException;
import java.util.UUID;
/**
* Implementation of an entry event
*/
// must be public for DataSerializableFixedID
public class EntryEventImpl extends KeyInfo implements
EntryEvent, GatewayQueueEvent,
InternalCacheEvent, DataSerializableFixedID,
EntryOperation, InternalDeltaEvent, Releasable {
// PACKAGE FIELDS //
public transient LocalRegion region;
private transient RegionEntry re;
//private long eventId;
/** the event's id. Scoped by distributedMember. */
protected EventID eventID;
@Retained(ENTRY_EVENT_OLD_VALUE)
private Object oldValue = null;
protected Delta delta = null;
protected short eventFlags = 0x0000;
protected short extraEventFlags = 0x0000;
/** the transaction state for the current operation */
transient TXStateInterface txState = TXStateProxy.TX_NOT_SET;
protected Operation op;
/* To store the operation/modification type */
private transient EnumListenerEvent eventType;
/**
* This field will be null unless this event is used for a putAll operation.
*
* @since 5.0
*/
private transient DistributedPutAllOperation putAllOp;
/**
* The member that originated this event
*
* @since 5.0
*/
protected DistributedMember distributedMember;
/**
* transient storage for the message that caused the event
*/
transient DistributionMessage causedByMessage;
//private static long eventID = 0;
/**
* The originating membershipId of this event.
*
* @since 5.1
*/
protected ClientProxyMembershipID context = null;
/**
* A custom context object that can be used for any other contextual
* information. Currently used by GemFireXD to pass around evaluated rows
* from raw byte arrays and routing object.
*/
private transient Object contextObj = null;
/**
* The current operation's lastModified stamp, if any.
*/
private transient long entryLastModified = -1;
/** Set to true if current operation has an existing RegionEntry. */
private transient boolean hasOldRegionEntry;
/**
* this holds the bytes representing the change in value effected by this
* event. It is used when the value implements the Delta interface.
*/
private byte[] deltaBytes = null;
/** routing information for cache clients for this event */
private FilterInfo filterInfo;
/**new value stored in serialized form*/
protected byte[] newValueBytes;
/**old value stored in serialized form*/
private byte[] oldValueBytes;
/** the locking policy for the current operation */
private LockingPolicy lockPolicy = LockingPolicy.NONE;
/** version tag for concurrency checks */
protected VersionTag versionTag;
/** boolean to indicate that this operation should be optimized by not fetching from HDFS*/
private transient boolean fetchFromHDFS = true;
private transient boolean isPutDML = false;
/** boolean to indicate that the RegionEntry for this event was loaded from HDFS*/
private transient boolean loadedFromHDFS= false;
private transient boolean isCustomEviction = false;
/** boolean to indicate that the RegionEntry for this event has been evicted*/
private transient boolean isEvicted = false;
private transient boolean isPendingSecondaryExpireDestroy = false;
public final static Object SUSPECT_TOKEN = new Object();
/** for deserialization */
public EntryEventImpl() {
}
/**
* create a new entry event that will be used for conveying version information
* and anything else of use while processing another event
* @return the empty event object
*/
@Retained
public static EntryEventImpl createVersionTagHolder() {
return new EntryEventImpl();
}
/**
* create a new entry event that will be used for conveying version information
* and anything else of use while processing another event
* @return the empty event object
*/
@Retained
public static EntryEventImpl createVersionTagHolder(VersionTag tag) {
EntryEventImpl result = new EntryEventImpl();
result.setVersionTag(tag);
return result;
}
/**
* Reads the contents of this message from the given input.
*/
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
this.eventID = (EventID)DataSerializer.readObject(in);
this.key = DataSerializer.readObject(in);
this.op = Operation.fromOrdinal(in.readByte());
short flags = in.readShort();
this.eventFlags = (short)(flags & EventFlags.FLAG_TRANSIENT_MASK);
this.extraEventFlags = (short)(flags & 0xFF);
this.callbackArg = DataSerializer.readObject(in);
final boolean prefObject = CachedDeserializableFactory.preferObject();
Version version = null;
ByteArrayDataInput bytesIn = null;
if (prefObject) {
version = InternalDataSerializer.getVersionForDataStreamOrNull(in);
bytesIn = new ByteArrayDataInput();
}
if (in.readBoolean()) { // isDelta
this.delta = (Delta)DataSerializer.readObject(in);
}
else {
// OFFHEAP Currently values are never deserialized to off heap memory. If that changes then this code needs to change.
if (in.readBoolean()) { // newValueSerialized
this.newValueBytes = DataSerializer.readByteArray(in);
if (prefObject) {
this.newValue = deserialize(this.newValueBytes, version, bytesIn);
}
else {
this.newValue = CachedDeserializableFactory.create(this.newValueBytes);
}
}
else {
this.newValue = DataSerializer.readObject(in);
}
}
// OFFHEAP Currently values are never deserialized to off heap memory. If that changes then this code needs to change.
if (in.readBoolean()) { // oldValueSerialized
this.oldValueBytes = DataSerializer.readByteArray(in);
if (prefObject) {
this.oldValue = deserialize(this.oldValueBytes, version, bytesIn);
}
else {
this.oldValue = CachedDeserializableFactory.create(this.oldValueBytes);
}
}
else {
this.oldValue = DataSerializer.readObject(in);
}
this.distributedMember = DSFIDFactory.readInternalDistributedMember(in);
this.context = ClientProxyMembershipID.readCanonicalized(in);
this.tailKey = in.readLong();
}
@Retained
protected EntryEventImpl(LocalRegion region, Operation op, Object key,
boolean originRemote, DistributedMember distributedMember,
boolean generateCallbacks, boolean fromRILocalDestroy) {
super(key, null, null);
this.region = region;
this.op = op;
setOriginRemote(originRemote);
setGenerateCallbacks(generateCallbacks);
this.distributedMember = distributedMember;
setFromRILocalDestroy(fromRILocalDestroy);
}
/**
* Doesn't specify oldValue as this will be filled in later as part of an
* operation on the region, or lets it default to null.
*/
@Retained
protected EntryEventImpl(
final LocalRegion region,
Operation op, Object key, @Retained(ENTRY_EVENT_NEW_VALUE) Object newVal,
Object callbackArgument,
boolean originRemote, DistributedMember distributedMember,
boolean generateCallbacks, boolean initializeId) {
super(key, null, callbackArgument);
this.region = region;
this.op = op;
setNewValueForTX(newVal);
setOriginRemote(originRemote);
setGenerateCallbacks(generateCallbacks);
this.distributedMember = distributedMember;
}
/**
* Called by BridgeEntryEventImpl to use existing EventID
*/
@Retained
protected EntryEventImpl(LocalRegion region, Operation op, Object key,
@Retained(ENTRY_EVENT_NEW_VALUE) Object newValue, Object callbackArgument, boolean originRemote,
DistributedMember distributedMember, boolean generateCallbacks,
EventID eventID) {
this(region, op, key, newValue,
callbackArgument, originRemote, distributedMember, generateCallbacks,
true /* initializeId */);
Assert.assertTrue(eventID != null || !(region instanceof PartitionedRegion));
this.setEventId(eventID);
}
/**
* create an entry event from another entry event
*/
@Retained
public EntryEventImpl(@Retained({ENTRY_EVENT_NEW_VALUE, ENTRY_EVENT_OLD_VALUE}) EntryEventImpl other) {
this(other, true);
}
@Retained
public EntryEventImpl(@Retained({ENTRY_EVENT_NEW_VALUE, ENTRY_EVENT_OLD_VALUE}) EntryEventImpl other, boolean setOldValue) {
super(other.key, null, other.bucketId);
this.region = other.region;
this.eventID = other.eventID;
basicSetNewValue(other.basicGetNewValue());
this.newValueBytes = other.newValueBytes;
this.re = other.re;
this.delta = other.delta;
if (setOldValue) {
retainAndSetOldValue(other.basicGetOldValue());
this.oldValueBytes = other.oldValueBytes;
}
this.eventFlags = other.eventFlags;
setEventFlag(EventFlags.FLAG_CALLBACKS_INVOKED, false);
this.op = other.op;
this.distributedMember = other.distributedMember;
this.filterInfo = other.filterInfo;
final Object otherCallbackArg = other.getRawCallbackArgument();
if (otherCallbackArg instanceof GatewayEventCallbackArgument) {
super.setCallbackArgument((new GatewayEventCallbackArgument(
(GatewayEventCallbackArgument)otherCallbackArg)));
}
else if (otherCallbackArg instanceof GatewaySenderEventCallbackArgument) {
super.setCallbackArgument(((GatewaySenderEventCallbackArgument)
otherCallbackArg).getClone());
}
else {
super.setCallbackArgument(otherCallbackArg);
}
this.context = other.context;
this.deltaBytes = other.deltaBytes;
this.txState = other.txState;
this.tailKey = other.tailKey;
this.versionTag = other.versionTag;
this.entryLastModified = other.entryLastModified;
//set possible duplicate
this.setPossibleDuplicate(other.isPossibleDuplicate());
}
@Retained
public EntryEventImpl(Object key2) {
super(key2, null, null);
}
/**
* This constructor is used to create a bridge event in server-side
* command classes. Events created with this are not intended to be
* used in cache operations.
* @param id the identity of the client's event
*/
@Retained
public EntryEventImpl(EventID id) {
this.eventID = id;
this.offHeapOk = false;
}
/**
* Creates and returns an EntryEventImpl. Generates and assigns a bucket id to the
* EntryEventImpl if the region parameter is a PartitionedRegion.
*/
@Retained
public static EntryEventImpl create(LocalRegion region,
Operation op,
Object key, @Retained(ENTRY_EVENT_NEW_VALUE) Object newValue, Object callbackArgument,
boolean originRemote, DistributedMember distributedMember) {
return create(region,op,key,newValue,callbackArgument,originRemote,distributedMember,true,true);
}
/**
* Creates and returns an EntryEventImpl. Generates and assigns a bucket id to the
* EntryEventImpl if the region parameter is a PartitionedRegion.
*/
@Retained
public static EntryEventImpl create(LocalRegion region,
Operation op,
Object key,
@Retained(ENTRY_EVENT_NEW_VALUE) Object newValue,
Object callbackArgument,
boolean originRemote,
DistributedMember distributedMember,
boolean generateCallbacks) {
return create(region, op, key, newValue, callbackArgument, originRemote,
distributedMember, generateCallbacks,true);
}
/**
* Creates and returns an EntryEventImpl. Generates and assigns a bucket id to the
* EntryEventImpl if the region parameter is a PartitionedRegion.
*
* Called by BridgeEntryEventImpl to use existing EventID
*
* {@link EntryEventImpl#EntryEventImpl(LocalRegion, Operation, Object, Object, Object, boolean, DistributedMember, boolean, EventID)}
*/
@Retained
public static EntryEventImpl create(LocalRegion region, Operation op, Object key,
@Retained(ENTRY_EVENT_NEW_VALUE) Object newValue, Object callbackArgument, boolean originRemote,
DistributedMember distributedMember, boolean generateCallbacks,
EventID eventID) {
EntryEventImpl entryEvent = new EntryEventImpl(region,op,key,newValue,callbackArgument,originRemote,distributedMember,generateCallbacks,eventID);
if (null != region) {
region.updateKeyInfo(entryEvent, key, null);
}
return entryEvent;
}
/**
* Creates and returns an EntryEventImpl. Generates and assigns a bucket id to the
* EntryEventImpl if the region parameter is a PartitionedRegion.
*
* {@link EntryEventImpl#EntryEventImpl(LocalRegion, Operation, Object, boolean, DistributedMember, boolean, boolean)}
*/
@Retained
public static EntryEventImpl create(LocalRegion region, Operation op, Object key,
boolean originRemote, DistributedMember distributedMember,
boolean generateCallbacks, boolean fromRILocalDestroy) {
EntryEventImpl entryEvent = new EntryEventImpl(region,op,key,originRemote,distributedMember,generateCallbacks,fromRILocalDestroy);
if (null != region) {
region.updateKeyInfo(entryEvent, key, null);
}
return entryEvent;
}
/**
* Creates and returns an EntryEventImpl. Generates and assigns a bucket id to the
* EntryEventImpl if the region parameter is a PartitionedRegion.
*
* This creator does not specify the oldValue as this will be filled in later as part of an
* operation on the region, or lets it default to null.
*
* {@link EntryEventImpl#EntryEventImpl(LocalRegion, Operation, Object, Object, Object, boolean, DistributedMember, boolean, boolean)}
*/
@Retained
public static EntryEventImpl create(final LocalRegion region,
Operation op, Object key, @Retained(ENTRY_EVENT_NEW_VALUE) Object newVal,
Object callbackArgument,
boolean originRemote, DistributedMember distributedMember,
boolean generateCallbacks, boolean initializeId) {
EntryEventImpl entryEvent = new EntryEventImpl(region,op,key,newVal,callbackArgument,
originRemote,distributedMember,generateCallbacks,initializeId);
if(null != region) {
region.updateKeyInfo(entryEvent, key, newVal);
}
return entryEvent;
}
/**
* Creates a PutAllEvent given the distributed operation, the region, and the
* entry data.
*
* @since 5.0
*/
@Retained
static EntryEventImpl createPutAllEvent(
DistributedPutAllOperation putAllOp, LocalRegion region,
Operation entryOp, Object entryKey, @Retained(ENTRY_EVENT_NEW_VALUE) Object entryNewValue, Object callbackArg)
{
EntryEventImpl e;
if (putAllOp != null) {
EntryEventImpl event = putAllOp.getEvent();
if (event.isBridgeEvent()) {
e = EntryEventImpl.create(region, entryOp, entryKey, entryNewValue,
event.getRawCallbackArgument(), false, event.distributedMember,
event.isGenerateCallbacks());
e.setContext(event.getContext());
}
else {
e = EntryEventImpl.create(region, entryOp, entryKey, entryNewValue,
callbackArg, false, region.getMyId(), event.isGenerateCallbacks());
}
}
else {
e = EntryEventImpl.create(region, entryOp, entryKey, entryNewValue,
callbackArg, false, region.getMyId(), true);
}
e.putAllOp = putAllOp;
return e;
}
/** return the putAll operation for this event, if any */
public final DistributedPutAllOperation getPutAllOperation() {
return this.putAllOp;
}
public final DistributedPutAllOperation setPutAllOperation(
DistributedPutAllOperation nv) {
DistributedPutAllOperation result = this.putAllOp;
this.putAllOp = nv;
return result;
}
private final boolean testEventFlag(short mask) {
return (this.eventFlags & mask) != 0;
}
private final void setEventFlag(short mask, boolean on) {
this.eventFlags = (short)(on ? (this.eventFlags | mask)
: (this.eventFlags & ~mask));
}
private final boolean testExtraEventFlag(short mask) {
return (this.extraEventFlags & mask) != 0;
}
private final void setExtraEventFlag(short mask, boolean on) {
this.extraEventFlags = (short)(on ? (this.extraEventFlags | mask)
: (this.extraEventFlags & ~mask));
}
public final DistributedMember getDistributedMember() {
return this.distributedMember;
}
/////////////////////// INTERNAL BOOLEAN SETTERS
public final void setOriginRemote(boolean b) {
if (b) {
this.eventFlags |= EventFlags.FLAG_ORIGIN_REMOTE;
}
else {
this.eventFlags &= ~EventFlags.FLAG_ORIGIN_REMOTE;
}
}
public final void setLocalInvalid(boolean b) {
setEventFlag(EventFlags.FLAG_LOCAL_INVALID, b);
}
final void setGenerateCallbacks(boolean b) {
if (b) {
this.eventFlags |= EventFlags.FLAG_GENERATE_CALLBACKS;
}
else {
this.eventFlags &= ~EventFlags.FLAG_GENERATE_CALLBACKS;
}
}
/** set the the flag telling whether callbacks should be invoked for a partitioned region */
public final void setInvokePRCallbacks(boolean b) {
setEventFlag(EventFlags.FLAG_INVOKE_PR_CALLBACKS, b);
}
/** get the flag telling whether callbacks should be invoked for a partitioned region */
public final boolean getInvokePRCallbacks() {
return testEventFlag(EventFlags.FLAG_INVOKE_PR_CALLBACKS);
}
public final boolean getInhibitDistribution() {
return testEventFlag(EventFlags.FLAG_INHIBIT_DISTRIBUTION);
}
public final void setInhibitDistribution(boolean b) {
setEventFlag(EventFlags.FLAG_INHIBIT_DISTRIBUTION, b);
}
/** was the entry destroyed or missing and allowed to be destroyed again? */
public final boolean getIsRedestroyedEntry() {
return testEventFlag(EventFlags.FLAG_REDESTROYED_TOMBSTONE);
}
public final void setIsRedestroyedEntry(boolean b) {
setEventFlag(EventFlags.FLAG_REDESTROYED_TOMBSTONE, b);
}
public final void isConcurrencyConflict(boolean b) {
setEventFlag(EventFlags.FLAG_CONCURRENCY_CONFLICT, b);
}
public final boolean isConcurrencyConflict() {
return testEventFlag(EventFlags.FLAG_CONCURRENCY_CONFLICT);
}
/** set the DistributionMessage that caused this event */
public final void setCausedByMessage(DistributionMessage msg) {
this.causedByMessage = msg;
}
/**
* get the PartitionMessage that caused this event, or null if
* the event was not caused by a PartitionMessage
*/
public final PartitionMessage getPartitionMessage() {
if (this.causedByMessage != null
&& this.causedByMessage instanceof PartitionMessage) {
return (PartitionMessage)this.causedByMessage;
}
return null;
}
/**
* get the RemoteOperationMessage that caused this event, or null if the event
* was not caused by a RemoteOperationMessage
*/
public final RemoteOperationMessage getRemoteOperationMessage() {
if (this.causedByMessage != null
&& this.causedByMessage instanceof RemoteOperationMessage) {
return (RemoteOperationMessage)this.causedByMessage;
}
return null;
}
/////////////// BOOLEAN GETTERS
public final boolean isLocalLoad() {
return this.op.isLocalLoad();
}
public final boolean isNetSearch() {
return this.op.isNetSearch();
}
public final boolean isNetLoad() {
return this.op.isNetLoad();
}
public final boolean isDistributed() {
return this.op.isDistributed();
}
public final boolean isExpiration() {
return this.op.isExpiration();
}
public final boolean isEviction() {
return this.op.isEviction();
}
public final boolean isCustomEviction() {
return this.isCustomEviction;
}
public final void setCustomEviction(boolean customEvict) {
this.isCustomEviction = customEvict;
}
public final void setEvicted() {
this.isEvicted = true;
}
public final boolean isEvicted() {
return this.isEvicted;
}
public final boolean isPendingSecondaryExpireDestroy() {
return this.isPendingSecondaryExpireDestroy;
}
public final void setPendingSecondaryExpireDestroy (boolean value) {
this.isPendingSecondaryExpireDestroy = value;
}
// Note that isOriginRemote is sometimes set to false even though the event
// was received from a peer. This is done to force distribution of the
// message to peers and to cause concurrency version stamping to be performed.
// This is done by all one-hop operations, like RemoteInvalidateMessage.
public final boolean isOriginRemote() {
return (this.eventFlags & EventFlags.FLAG_ORIGIN_REMOTE) != 0;
}
/* return whether this event originated from a WAN gateway and carries a WAN version tag */
public final boolean isFromWANAndVersioned() {
return (this.versionTag != null && this.versionTag.isGatewayTag());
}
/* return whether this event originated in a client or possible duplicate retry
* and carries a version tag */
public final boolean isFromBridgeOrPossDupAndVersioned() {
return (this.context != null || (this.isPossibleDuplicate() && this.eventID != null))
&& (this.versionTag != null);
}
public final boolean isGenerateCallbacks() {
return (this.eventFlags & EventFlags.FLAG_GENERATE_CALLBACKS) != 0;
}
public final void setNewEventId(DistributedSystem sys) {
Assert.assertTrue(this.eventID == null, "Double setting event id");
EventID newID = new EventID(sys);
if (this.eventID != null && BridgeServerImpl.VERBOSE) {
sys.getLogWriter().convertToLogWriterI18n().info(LocalizedStrings.DEBUG, "Replacing event ID with " + newID + " in event " + this);
}
this.eventID = newID;
}
public final void reserveNewEventId(DistributedSystem sys, int count) {
Assert.assertTrue(this.eventID == null, "Double setting event id");
this.eventID = new EventID(sys);
if (count > 1) {
this.eventID.reserveSequenceId(count - 1);
}
}
public final void setEventId(EventID id) {
this.eventID = id;
}
/**
* Return the event id, if any
*
* @return null if no event id has been set
*/
public final EventID getEventId() {
return this.eventID;
}
public final boolean isBridgeEvent() {
return hasClientOrigin();
}
public final boolean hasClientOrigin() {
return getContext() != null;
}
/**
* sets the ID of the client that initiated this event
*/
public final void setContext(ClientProxyMembershipID contx) {
Assert.assertTrue(contx != null);
this.context = contx;
}
/**
* sets the ID of the client that initiated this event
*/
public final void clearContext() {
this.context = null;
}
/**
* gets the ID of the client that initiated this event. Null if a server-initiated event
*/
public final ClientProxyMembershipID getContext() {
return this.context;
}
// INTERNAL
final boolean isLocalInvalid() {
return testEventFlag(EventFlags.FLAG_LOCAL_INVALID);
}
/////////////////////////////////////////////////
/**
* Returns the value in the cache prior to this event. When passed to an event
* handler after an event occurs, this value reflects the value that was in
* the cache in this VM, not necessarily the value that was in the cache VM
* that initiated the operation.
*
* @return the value in the cache prior to this event.
*/
public final Object getOldValue() {
try {
if (isOriginRemote() && this.region.isProxy()) {
return null;
}
@Unretained Object ov = basicGetOldValue();
if (ov == null) {
return null;
} else if (ov == Token.NOT_AVAILABLE) {
return AbstractRegion.handleNotAvailable(ov);
}
boolean doCopyOnRead = getRegion().isCopyOnRead();
if (ov != null) {
final Class ovclass = ov.getClass();
if (ovclass == byte[].class || ovclass == byte[][].class) {
if (doCopyOnRead) {
return CopyHelper.copy(ov);
} else {
return ov;
}
}
else if (StoredObject.class.isAssignableFrom(ovclass)) {
return ((StoredObject) ov).getValueAsDeserializedHeapObject();
}
else if (CachedDeserializable.class.isAssignableFrom(ovclass)) {
CachedDeserializable cd = (CachedDeserializable)ov;
if (doCopyOnRead) {
return cd.getDeserializedWritableCopy(this.region, this.re);
} else {
return cd.getDeserializedValue(this.region, this.re);
}
}
else {
if (doCopyOnRead) {
return CopyHelper.copy(ov);
} else {
return ov;
}
}
}
return null;
} catch(IllegalArgumentException i) {
IllegalArgumentException iae = new IllegalArgumentException(LocalizedStrings.DONT_RELEASE.toLocalizedString("Error while deserializing value for key="+getKey()));
iae.initCause(i);
throw iae;
}
}
/**
* Like getRawNewValue except that if the result is an off-heap reference then copy it to the heap.
* ALERT: If there is a Delta, returns that, not the (applied) new value.
* TODO OFFHEAP: to prevent the heap copy use getRawNewValue instead
*/
public final Object getRawNewValueAsHeapObject() {
if (this.delta != null) {
return this.delta;
}
return OffHeapHelper.getHeapForm(OffHeapHelper.copyIfNeeded(basicGetNewValue()));
}
/**
* If new value is a Delta return it.
* Else if new value is off-heap return the StoredObject form (unretained OFF_HEAP_REFERENCE).
* Its refcount is not inced by this call and the returned object can only be safely used for the lifetime of the EntryEventImpl instance that returned the value.
* Else return the raw form.
*/
@Unretained(ENTRY_EVENT_NEW_VALUE)
public final Object getRawNewValue() {
if (this.delta != null) return this.delta;
return basicGetNewValue();
}
@Override
@Unretained(ENTRY_EVENT_NEW_VALUE)
public final Object getValue() {
return basicGetNewValue();
}
/**
* Returns the delta that represents the new value; null if no delta.
* @return the delta that represents the new value; null if no delta.
*/
public final Delta getDeltaNewValue() {
return this.delta;
}
/**
* Applies the delta
*/
private Object applyDeltaWithCopyOnRead(boolean doCopyOnRead) {
//try {
if (applyDelta(true)) {
Object applied = basicGetNewValue();
// if applyDelta returns true then newValue should not be off-heap
assert !(applied instanceof StoredObject);
if (applied == this.oldValue && doCopyOnRead) {
applied = CopyHelper.copy(applied);
}
return applied;
}
//} catch (EntryNotFoundException ex) {
// only (broken) product code has the opportunity to call this before
// this.oldValue is set. If oldValue is not set yet, then
// we most likely haven't synchronized on the region entry yet.
// (If we have, then make sure oldValue is set before
// calling this method).
//throw new AssertionError("too early to call getNewValue");
//}
return null;
}
@Released(ENTRY_EVENT_NEW_VALUE)
private void basicSetNewValue(@Retained(ENTRY_EVENT_NEW_VALUE) Object v) {
if (v == this.newValue) return;
if (this.offHeapOk) {
OffHeapHelper.releaseAndTrackOwner(this.newValue, this);
}
if (v instanceof Chunk) {
SimpleMemoryAllocatorImpl.setReferenceCountOwner(this);
if (!((Chunk) v).retain()) {
SimpleMemoryAllocatorImpl.setReferenceCountOwner(null);
this.newValue = null;
return;
}
SimpleMemoryAllocatorImpl.setReferenceCountOwner(null);
}
this.newValue = v;
}
/**
* Returns true if this event has a reference to an off-heap new or old value.
*/
public final boolean hasOffHeapValue() {
return (this.newValue instanceof Chunk) || (this.oldValue instanceof Chunk);
}
@Unretained(ENTRY_EVENT_NEW_VALUE)
protected final Object basicGetNewValue() {
Object result = this.newValue;
if (!this.offHeapOk && result instanceof Chunk) {
//this.region.getCache().getLogger().info("DEBUG new value already freed " + System.identityHashCode(result));
throw new IllegalStateException("Attempt to access off heap value after the EntryEvent was released.");
}
return result;
}
private class OldValueOwner {
private EntryEventImpl getEvent() {
return EntryEventImpl.this;
}
@Override
public int hashCode() {
return getEvent().hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj instanceof OldValueOwner) {
return getEvent().equals(((OldValueOwner) obj).getEvent());
} else {
return false;
}
}
@Override
public String toString() {
return "OldValueOwner " + getEvent().toString();
}
}
/**
* Note if v might be an off-heap reference that you did not retain for this EntryEventImpl
* then call retainsAndSetOldValue instead of this method.
* @param v the caller should have already retained this off-heap reference.
*/
@Released(ENTRY_EVENT_OLD_VALUE)
private void basicSetOldValue(@Unretained(ENTRY_EVENT_OLD_VALUE) Object v) {
@Released final Object curOldValue = this.oldValue;
if (v == curOldValue) return;
if (this.offHeapOk) {
if (curOldValue instanceof Chunk) {
if (SimpleMemoryAllocatorImpl.trackReferenceCounts()) {
OffHeapHelper.releaseAndTrackOwner(curOldValue, new OldValueOwner());
} else {
OffHeapHelper.release(curOldValue);
}
}
}
this.oldValue = v;
}
@Released(ENTRY_EVENT_OLD_VALUE)
private void retainAndSetOldValue(@Retained(ENTRY_EVENT_OLD_VALUE) Object v) {
if (v == this.oldValue) return;
if (v instanceof Chunk) {
if (SimpleMemoryAllocatorImpl.trackReferenceCounts()) {
SimpleMemoryAllocatorImpl.setReferenceCountOwner(new OldValueOwner());
boolean couldNotRetain = (!((Chunk) v).retain());
SimpleMemoryAllocatorImpl.setReferenceCountOwner(null);
if (couldNotRetain) {
this.oldValue = null;
return;
}
} else {
if (!((Chunk) v).retain()) {
this.oldValue = null;
return;
}
}
}
basicSetOldValue(v);
}
@Unretained(ENTRY_EVENT_OLD_VALUE)
private Object basicGetOldValue() {
@Unretained(ENTRY_EVENT_OLD_VALUE)
Object result = this.oldValue;
if (!this.offHeapOk && result instanceof Chunk) {
//this.region.getCache().getLogger().info("DEBUG old value already freed " + System.identityHashCode(result));
throw new IllegalStateException("Attempt to access off heap value after the EntryEvent was released.");
}
return result;
}
/**
* Like getRawOldValue except that if the result is an off-heap reference then copy it to the heap.
* To avoid the heap copy use getRawOldValue instead.
*/
public final Object getRawOldValueAsHeapObject() {
return OffHeapHelper.getHeapForm(OffHeapHelper.copyIfNeeded(basicGetOldValue()));
}
/*
* If the old value is off-heap return the StoredObject form (unretained OFF_HEAP_REFERENCE).
* Its refcount is not inced by this call and the returned object can only be safely used for the lifetime of the EntryEventImpl instance that returned the value.
* Else return the raw form.
*/
@Unretained(ENTRY_EVENT_OLD_VALUE)
public final Object getRawOldValue() {
return basicGetOldValue();
}
/**
* Just like getRawOldValue except if the raw old value is off-heap deserialize it.
* Note that in some cases gfxd ignores the request to deserialize.
*/
@Unretained(ENTRY_EVENT_OLD_VALUE)
public final Object getOldValueAsOffHeapDeserializedOrRaw() {
Object result = basicGetOldValue();
if (result instanceof StoredObject) {
result = ((StoredObject) result).getDeserializedForReading();
}
return AbstractRegion.handleNotAvailable(result); // fixes 49499
}
/**
* Added this function to expose isCopyOnRead function to the
* child classes of EntryEventImpl
*
*/
protected final boolean isRegionCopyOnRead() {
return getRegion().isCopyOnRead();
}
/**
* Returns the value in the cache after this event.
*
* @return the value in the cache after this event.
*/
public final Object getNewValue() {
boolean doCopyOnRead = getRegion().isCopyOnRead();
Object newValueWithDelta = applyDeltaWithCopyOnRead(doCopyOnRead);
if (newValueWithDelta != null)
return newValueWithDelta;
@Unretained(ENTRY_EVENT_NEW_VALUE)
Object nv = basicGetNewValue();
if (nv != null) {
if (nv == Token.NOT_AVAILABLE) {
// I'm not sure this can even happen
return AbstractRegion.handleNotAvailable(nv);
}
if (nv instanceof StoredObject) {
return ((StoredObject) nv).getValueAsDeserializedHeapObject();
} else
if (nv instanceof CachedDeserializable) {
CachedDeserializable cd = (CachedDeserializable)nv;
Object v = null;
// TODO OFFHEAP currently we copy offheap new value to the heap here. Check callers of this method to see if they can be optimized to use offheap values.
if (doCopyOnRead) {
v = cd.getDeserializedWritableCopy(this.region, this.re);
} else {
v = cd.getDeserializedValue(this.region, this.re);
}
assert !(v instanceof CachedDeserializable && !(v instanceof ByteSource)) : "for key "+this.getKey()+" found nested CachedDeserializable";
return v;
}
else {
if (doCopyOnRead) {
return CopyHelper.copy(nv);
} else {
return nv;
}
}
}
return null;
}
protected final boolean applyDelta(boolean throwOnNullOldValue)
throws EntryNotFoundException {
if (this.newValue != null || this.delta == null) {
return false;
}
if (this.oldValue == null && !this.delta.allowCreate()) {
if (throwOnNullOldValue) {
// !!!:ezoerner:20080611 It would be nice if the client got this
// exception
throw new EntryNotFoundException(
"Cannot apply a delta without an existing value");
}
return false;
}
// swizzle BucketRegion in event for Delta.
// !!!:ezoerner:20090602 this is way ugly; this whole class severely
// needs refactoring
LocalRegion originalRegion = this.region;
try {
if (originalRegion instanceof BucketRegion) {
this.region = ((BucketRegion)this.region).getPartitionedRegion();
}
basicSetNewValue(this.delta.apply(this));
} finally {
this.region = originalRegion;
}
return true;
}
/** Set a deserialized value */
public final void setNewValue(@Retained(ENTRY_EVENT_NEW_VALUE) Object obj) {
if (obj instanceof Delta) {
setNewDelta((Delta)obj);
}
else {
basicSetNewValue(obj);
this.delta = null;
}
}
public final void setNewDelta(Delta delta) {
this.delta = delta;
if (this.newValue != null) {
basicSetNewValue(null);
}
}
public final void setNewValueForTX(@Retained(ENTRY_EVENT_NEW_VALUE) Object newVal) {
if (newVal instanceof Delta) {
setNewDelta((Delta)newVal);
}
else if (newVal != Token.INVALID) {
if (newVal != Token.LOCAL_INVALID) {
basicSetNewValue(newVal);
}
else {
/**
* this might set txId for events done from a thread that has a tx even
* though the op is non-tx. For example region ops.
*/
setLocalInvalid(true);
}
this.delta = null;
}
else {
if (this.newValue != null) {
basicSetNewValue(null);
}
this.delta = null;
}
}
public final TXId getTransactionId() {
final TXStateInterface txState = getTXState();
return txState != null ? txState.getTransactionId() : null;
}
public final TXStateInterface getTXState(final LocalRegion r) {
if (this.txState != TXStateProxy.TX_NOT_SET) {
return this.txState;
}
return (this.txState = r.getTXState());
}
public final TXStateInterface getTXState() {
if (this.txState != TXStateProxy.TX_NOT_SET) {
return this.txState;
}
return (this.txState = (this.region != null ? this.region.getTXState()
: TXManagerImpl.getCurrentTXState()));
}
public final boolean hasTX() {
return this.txState != null && this.txState != TXStateProxy.TX_NOT_SET;
}
public final boolean hasTXSet() {
return this.txState != TXStateProxy.TX_NOT_SET;
}
public final void setTXState(final TXStateInterface tx) {
this.txState = tx;
}
/**
* Answer true if this event resulted from a loader.
*
* @return true if isLocalLoad or isNetLoad
*/
public final boolean isLoad() {
return this.op.isLoad();
}
public final void setRegion(LocalRegion r) {
this.region = r;
}
/**
* @see com.gemstone.gemfire.cache.CacheEvent#getRegion()
*/
public final LocalRegion getRegion() {
return region;
}
public final Operation getOperation() {
return this.op;
}
public final void setOperation(Operation op) {
this.op = op;
PartitionMessage prm = getPartitionMessage();
if (prm != null) {
prm.setOperation(this.op);
}
}
/**
* @see com.gemstone.gemfire.cache.CacheEvent#getCallbackArgument()
*/
public final Object getCallbackArgument() {
final Object result = this.callbackArg;
if (result == null) {
return null;
}
return getCallbackArgument(result);
}
public final Object getCallbackArgument(Object result) {
while (result instanceof WrappedCallbackArgument) {
WrappedCallbackArgument wca = (WrappedCallbackArgument)result;
result = wca.getOriginalCallbackArg();
}
if (result == Token.NOT_AVAILABLE) {
result = AbstractRegion.handleNotAvailable(result);
}
return result;
}
public final boolean isCallbackArgumentAvailable() {
return this.getRawCallbackArgument() != Token.NOT_AVAILABLE;
}
/**
* Returns the value of the EntryEventImpl field.
* This is for internal use only. Customers should always call
* {@link #getCallbackArgument}
* @since 5.5
*/
public final Object getRawCallbackArgument() {
return this.callbackArg;
}
/**
* Sets the value of raw callback argument field.
*/
public final void setRawCallbackArgument(Object newCallbackArgument) {
super.setCallbackArgument(newCallbackArgument);
}
@Override
public final void setCallbackArgument(Object newCallbackArgument) {
if (this.callbackArg instanceof WrappedCallbackArgument) {
((WrappedCallbackArgument)this.callbackArg)
.setOriginalCallbackArgument(newCallbackArgument);
}
else {
this.callbackArg = newCallbackArgument;
}
}
/**
* @return null if new value is not serialized; otherwise returns a SerializedCacheValueImpl containing the new value.
*/
public final SerializedCacheValueImpl getSerializedNewValue() {
// In the case where there is a delta that has not been applied yet,
// do not apply it here since it would not produce a serialized new
// value (return null instead to indicate the new value is not
// in serialized form).
@Unretained(ENTRY_EVENT_NEW_VALUE)
final Object tmp = basicGetNewValue();
if (tmp instanceof CachedDeserializable) {
if (tmp instanceof StoredObject) {
if (!((StoredObject) tmp).isSerialized()) {
// TODO OFFHEAP can we handle offheap byte[] better?
return null;
}
}
return new SerializedCacheValueImpl(this, getRegion(), this.re,
(CachedDeserializable)tmp, this.newValueBytes);
}
else {
return null;
}
}
/**
* Implement this interface if you want to call {@link #exportNewValue}.
*
* @author darrel
*
*/
public interface NewValueImporter {
/**
* @return true if the importer prefers the value to be in serialized form.
*/
boolean prefersNewSerialized();
/**
* Only return true if the importer can use the value before the event that exported it is released.
* If false is returned then off-heap values will be copied to the heap for the importer.
* @return true if the importer can deal with the value being an unretained OFF_HEAP_REFERENCE.
*/
boolean isUnretainedNewReferenceOk();
/**
* Import a new value that is currently in object form.
* @param nv the new value to import; unretained if isUnretainedNewReferenceOk returns true
* @param isSerialized true if the imported new value represents data that needs to be serialized; false if the imported new value is a simple sequence of bytes.
*/
void importNewObject(@Unretained(ENTRY_EVENT_NEW_VALUE) Object nv, boolean isSerialized);
/**
* Import a new value that is currently in byte array form.
* @param nv the new value to import
* @param isSerialized true if the imported new value represents data that needs to be serialized; false if the imported new value is a simple sequence of bytes.
*/
void importNewBytes(byte[] nv, boolean isSerialized);
}
/**
* Export the event's new value to the given importer.
*/
public final void exportNewValue(NewValueImporter importer) {
final boolean prefersSerialized = importer.prefersNewSerialized();
if (prefersSerialized) {
if (this.newValueBytes != null && this.newValue instanceof CachedDeserializable) {
importer.importNewBytes(this.newValueBytes, true);
return;
}
}
@Unretained(ENTRY_EVENT_NEW_VALUE)
final Object nv = getRawNewValue();
if (nv instanceof StoredObject) {
@Unretained(ENTRY_EVENT_NEW_VALUE)
final StoredObject so = (StoredObject) nv;
final boolean isSerialized = so.isSerialized();
if (nv instanceof Chunk) {
if (importer.isUnretainedNewReferenceOk()) {
importer.importNewObject(nv, isSerialized);
} else {
if (!isSerialized || prefersSerialized) {
importer.importNewBytes(so.getValueAsHeapByteArray(), isSerialized);
} else {
importer.importNewObject(so.getValueAsDeserializedHeapObject(), true);
}
}
} else {
importer.importNewObject(nv, isSerialized);
}
} else if (nv instanceof byte[]) {
importer.importNewBytes((byte[])nv, false);
} else if (nv instanceof CachedDeserializable) {
CachedDeserializable cd = (CachedDeserializable) nv;
Object cdV = cd.getValue();
if (cdV instanceof byte[]) {
importer.importNewBytes((byte[]) cdV, true);
} else {
importer.importNewObject(cdV, true);
}
} else {
importer.importNewObject(nv, true);
}
}
/**
* Implement this interface if you want to call {@link #exportOldValue}.
*
* @author darrel
*
*/
public interface OldValueImporter {
/**
* @return true if the importer prefers the value to be in serialized form.
*/
boolean prefersOldSerialized();
/**
* Only return true if the importer can use the value before the event that exported it is released.
* @return true if the importer can deal with the value being an unretained OFF_HEAP_REFERENCE.
*/
boolean isUnretainedOldReferenceOk();
/**
* @return return true if you want the old value to possibly be an instanceof CachedDeserializable; false if you want the value contained in a CachedDeserializable.
*/
boolean isCachedDeserializableValueOk();
/**
* Import an old value that is currently in object form.
* @param ov the old value to import; unretained if isUnretainedOldReferenceOk returns true
* @param isSerialized true if the imported old value represents data that needs to be serialized; false if the imported old value is a simple sequence of bytes.
*/
void importOldObject(@Unretained(ENTRY_EVENT_OLD_VALUE) Object ov, boolean isSerialized);
/**
* Import an old value that is currently in byte array form.
* @param ov the old value to import
* @param isSerialized true if the imported old value represents data that needs to be serialized; false if the imported old value is a simple sequence of bytes.
*/
void importOldBytes(byte[] ov, boolean isSerialized);
}
/**
* Export the event's old value to the given importer.
*/
public final void exportOldValue(OldValueImporter importer) {
final boolean prefersSerialized = importer.prefersOldSerialized();
if (prefersSerialized) {
if (this.oldValueBytes != null && this.oldValue instanceof CachedDeserializable) {
importer.importOldBytes(this.oldValueBytes, true);
return;
}
}
@Unretained(ENTRY_EVENT_OLD_VALUE)
final Object ov = getRawOldValue();
if (ov instanceof StoredObject) {
final StoredObject so = (StoredObject) ov;
final boolean isSerialized = so.isSerialized();
if (ov instanceof Chunk) {
if (importer.isUnretainedOldReferenceOk()) {
importer.importOldObject(ov, isSerialized);
} else {
if (!isSerialized || prefersSerialized) {
importer.importOldBytes(so.getValueAsHeapByteArray(), isSerialized);
} else {
importer.importOldObject(so.getValueAsDeserializedHeapObject(), true);
}
}
} else {
importer.importOldObject(ov, isSerialized);
}
} else if (ov instanceof byte[]) {
importer.importOldBytes((byte[])ov, false);
} else if (!importer.isCachedDeserializableValueOk() && ov instanceof CachedDeserializable) {
CachedDeserializable cd = (CachedDeserializable) ov;
Object cdV = cd.getValue();
if (cdV instanceof byte[]) {
importer.importOldBytes((byte[]) cdV, true);
} else {
importer.importOldObject(cdV, true);
}
} else {
importer.importOldObject(ov, true);
}
}
/**
* If applyDelta is true then first attempt to apply a delta (if we have one) and return the value.
* Else if new value is a Delta return it.
* Else if new value is off-heap return the StoredObject form (unretained OFF_HEAP_REFERENCE).
* Its refcount is not inced by this call and the returned object can only be safely used for the lifetime of the EntryEventImpl instance that returned the value.
* Else return the raw form.
*/
@Unretained(ENTRY_EVENT_NEW_VALUE)
public final Object getRawNewValue(boolean applyDelta) {
if (applyDelta) {
boolean doCopyOnRead = getRegion().isCopyOnRead();
Object newValueWithDelta = applyDeltaWithCopyOnRead(doCopyOnRead);
if (newValueWithDelta != null) {
return newValueWithDelta;
}
// if applyDelta is true and we have already applied the delta then
// just return the applied value instead of the delta object.
@Unretained(ENTRY_EVENT_NEW_VALUE)
Object newValue = basicGetNewValue();
if (newValue != null) return newValue;
}
return getRawNewValue();
}
/**
* Just like getRawNewValue(true) except if the raw new value is off-heap deserialize it.
* Note that in some cases gfxd ignores the request to deserialize.
*/
@Unretained(ENTRY_EVENT_NEW_VALUE)
public final Object getNewValueAsOffHeapDeserializedOrRaw() {
Object result = getRawNewValue(true);
if (result instanceof StoredObject) {
result = ((StoredObject) result).getDeserializedForReading();
}
return AbstractRegion.handleNotAvailable(result); // fixes 49499
}
/**
* If the new value is stored off-heap return a retained OFF_HEAP_REFERENCE (caller must release).
* @return a retained OFF_HEAP_REFERENCE if the new value is off-heap; otherwise returns null
*/
@Retained
public final StoredObject getOffHeapNewValue() {
final Object tmp = basicGetNewValue();
if (tmp instanceof StoredObject) {
StoredObject result = (StoredObject) tmp;
if (!result.retain()) {
return null;
}
return result;
} else {
return null;
}
}
/**
* If the old value is stored off-heap return a retained OFF_HEAP_REFERENCE (caller must release).
* @return a retained OFF_HEAP_REFERENCE if the old value is off-heap; otherwise returns null
*/
@Retained
public final StoredObject getOffHeapOldValue() {
final Object tmp = basicGetOldValue();
if (tmp instanceof StoredObject) {
StoredObject result = (StoredObject) tmp;
if (!result.retain()) {
return null;
}
return result;
} else {
return null;
}
}
/**
* {@inheritDoc}
*/
@Override
public final Object getDeserializedValue() {
if (this.delta == null) {
final Object val = basicGetNewValue();
if (val instanceof StoredObject) {
return ((StoredObject) val).getValueAsDeserializedHeapObject();
} else
if (val instanceof CachedDeserializable) {
return ((CachedDeserializable)val).getDeserializedForReading();
}
else {
return val;
}
}
else {
return this.delta;
}
}
/**
* {@inheritDoc}
*/
@Override
public final byte[] getSerializedValue() {
if (this.newValueBytes == null) {
final Object val;
if (this.delta == null) {
val = basicGetNewValue();
if (val instanceof byte[]) {
return (byte[])val;
}
else if (val instanceof CachedDeserializable) {
return ((CachedDeserializable)val).getSerializedValue();
}
}
else {
val = this.delta;
}
try {
return CacheServerHelper.serialize(val);
} catch (IOException ioe) {
throw new GemFireIOException("unexpected exception", ioe);
}
}
else {
return this.newValueBytes;
}
}
/**
* Forces this entry's new value to be in serialized form.
* @since 5.0.2
*/
public final void makeSerializedNewValue() {
makeSerializedNewValue(false);
}
/**
* @param isSynced true if RegionEntry currently under synchronization
*/
private final void makeSerializedNewValue(boolean isSynced) {
Object obj = basicGetNewValue();
// ezoerner:20080611 In the case where there is an unapplied
// delta, do not apply the delta or serialize yet unless entry is
// under synchronization (isSynced is true)
if (isSynced) {
this.setSerializationDeferred(false);
}
else if (obj == null && this.delta != null) {
// defer serialization until setNewValueInRegion
this.setSerializationDeferred(true);
return;
}
basicSetNewValue(getCachedDeserializable(obj, this));
}
public static Object getCachedDeserializable(Object obj) {
return getCachedDeserializable(obj, null);
}
private static Object getCachedDeserializable(Object obj, EntryEventImpl ev) {
if (CachedDeserializableFactory.preferObject()
|| obj instanceof byte[]
|| obj == null
|| obj instanceof CachedDeserializable
|| obj == Token.NOT_AVAILABLE
|| Token.isInvalidOrRemoved(obj)
// don't serialize delta object already serialized
|| obj instanceof com.gemstone.gemfire.Delta
|| obj instanceof Delta) { // internal delta
return obj;
}
final byte[] b = serialize(obj);
final CachedDeserializable cd = CachedDeserializableFactory.create(b);
if (ev != null) {
ev.newValueBytes = b;
}
return cd;
}
public final void setSerializedNewValue(byte[] serializedValue) {
Object newVal = null;
this.delta = null;
if (serializedValue != null) {
if (CachedDeserializableFactory.preferObject()) {
newVal = deserialize(serializedValue);
} else {
newVal = CachedDeserializableFactory.create(serializedValue);
}
if (newVal instanceof Delta) {
this.delta = (Delta)newVal;
newVal = null;
// We need the newValueBytes field and the newValue field to be in sync.
// In the case of non-null delta set both fields to null.
serializedValue = null;
}
}
this.newValueBytes = serializedValue;
basicSetNewValue(newVal);
}
public final void setSerializedOldValue(byte[] serializedOldValue) {
this.oldValueBytes = serializedOldValue;
final Object ov;
if (CachedDeserializableFactory.preferObject()) {
ov = deserialize(serializedOldValue);
}
else if (serializedOldValue != null) {
ov = CachedDeserializableFactory.create(serializedOldValue);
}
else {
ov = null;
}
retainAndSetOldValue(ov);
}
/**
* If true (the default) then preserve old values in events.
* If false then mark non-null values as being NOT_AVAILABLE.
*/
private static final boolean EVENT_OLD_VALUE = !Boolean.getBoolean("gemfire.disable-event-old-value");
final void putExistingEntry(final LocalRegion owner, RegionEntry re)
throws RegionClearedException {
putExistingEntry(owner, re, false, null);
}
/**
* Put a newValue into the given, write synced, existing, region entry.
* Sets oldValue in event if hasn't been set yet.
* @param oldValueForDelta Used by Delta Propagation feature
*
* @throws RegionClearedException
*/
final void putExistingEntry(final LocalRegion owner, final RegionEntry reentry,
boolean requireOldValue, Object oldValueForDelta) throws RegionClearedException {
makeUpdate();
// only set oldValue if it hasn't already been set to something
if (this.oldValue == null) {
if (!reentry.isInvalidOrRemoved()) {
if (requireOldValue ||
EVENT_OLD_VALUE
|| this.region instanceof HARegion // fix for bug 37909
|| GemFireCacheImpl.gfxdSystem()
) {
@Retained Object ov;
if (SimpleMemoryAllocatorImpl.trackReferenceCounts()) {
SimpleMemoryAllocatorImpl.setReferenceCountOwner(new OldValueOwner());
if (GemFireCacheImpl.gfxdSystem()) {
ov = reentry.getValueOffHeapOrDiskWithoutFaultIn(this.region);
} else {
ov = reentry._getValueRetain(owner, true);
}
SimpleMemoryAllocatorImpl.setReferenceCountOwner(null);
} else {
if (GemFireCacheImpl.gfxdSystem()) {
ov = reentry.getValueOffHeapOrDiskWithoutFaultIn(this.region);
} else {
ov = reentry._getValueRetain(owner, true);
}
}
if (ov == null) ov = Token.NOT_AVAILABLE;
// ov has already been retained so call basicSetOldValue instead of retainAndSetOldValue
basicSetOldValue(ov);
} else {
basicSetOldValue(Token.NOT_AVAILABLE);
}
}
}
if (this.oldValue == Token.NOT_AVAILABLE) {
FilterProfile fp = this.region.getFilterProfile();
if (this.op.guaranteesOldValue() ||
(fp != null /* #41532 */&& fp.entryRequiresOldValue(this.getKey()))) {
setOldValueForQueryProcessing();
}
}
//setNewValueInRegion(null);
setNewValueInRegion(owner, reentry, oldValueForDelta);
}
/**
* If we are currently a create op then turn us into an update
*
* @since 5.0
*/
final void makeUpdate() {
setOperation(this.op.getCorrespondingUpdateOp());
}
/**
* If we are currently an update op then turn us into a create
*
* @since 5.0
*/
final void makeCreate() {
setOperation(this.op.getCorrespondingCreateOp());
}
/**
* Put a newValue into the given, write synced, new, region entry.
* @throws RegionClearedException
*/
final void putNewEntry(final LocalRegion owner, final RegionEntry reentry)
throws RegionClearedException {
if (!this.op.guaranteesOldValue()) { // preserves oldValue for CM ops in clients
basicSetOldValue(null);
}
makeCreate();
setNewValueInRegion(owner, reentry, null);
}
public final void setRegionEntry(RegionEntry re) {
this.re = re;
}
public final RegionEntry getRegionEntry() {
return this.re;
}
@Retained(ENTRY_EVENT_NEW_VALUE)
private final void setNewValueInRegion(final LocalRegion owner,
final RegionEntry reentry, Object oldValueForDelta)
throws RegionClearedException {
final LogWriterI18n logger = this.region.getCache().getLoggerI18n();
boolean wasTombstone = reentry.isTombstone();
// put in newValue
if (applyDelta(this.op.isCreate())) {
if (this.isSerializationDeferred()) {
makeSerializedNewValue(true);
}
}
// If event contains new value, then it may mean that the delta bytes should
// not be applied. This is possible if the event originated locally.
if (this.deltaBytes != null && this.newValue == null) {
processDeltaBytes(oldValueForDelta);
}
VersionStamp originalStamp = reentry.getVersionStamp();
VersionTag originalStampAsTag = null;
if (originalStamp != null) {
originalStampAsTag = originalStamp.asVersionTag();
}
if (owner!=null) {
owner.generateAndSetVersionTag(this, reentry);
} else {
this.region.generateAndSetVersionTag(this, reentry);
}
Object v = this.newValue;
if (v == null) {
v = isLocalInvalid() ? Token.LOCAL_INVALID : Token.INVALID;
}
else {
this.region.regionInvalid = false;
}
//reentry.setValueResultOfSearch(this.op.isNetSearch());
//dsmith:20090524
//This is a horrible hack, but we need to get the size of the object
//When we store an entry. This code is only used when we do a put
//in the primary.
if (region.isUsedForPartitionedRegionBucket()
&& !CachedDeserializableFactory.preferObject()
&& v instanceof com.gemstone.gemfire.Delta) {
int vSize;
Object ov = basicGetOldValue();
if(ov instanceof CachedDeserializable && !GemFireCacheImpl.DELTAS_RECALCULATE_SIZE) {
vSize = ((CachedDeserializable) ov).getValueSizeInBytes();
} else {
vSize = CachedDeserializableFactory.calcMemSize(v, region.getObjectSizer(), false);
}
// com.gemstone.gemfire.internal.cache.GemFireCache.getInstance().getLogger().info("DEBUG setNewValueInRegion: oldValue=" + oldValue + " newValue=" + v + " objSizer=" + region.getObjectSizer(), new RuntimeException("STACK"));
v = CachedDeserializableFactory.create(v, vSize);
basicSetNewValue(v);
// OFFHEAP todo: should deltas be stored offheap? If so we need to call prepareValueForCache here.
}
Object preparedV = reentry.prepareValueForCache(this.region, v, this.hasDelta(),
this.getTransactionId() == null);
if (preparedV != v) {
v = preparedV;
if (v instanceof Chunk) {
// if we put it off heap then remember that value.
// TODO COMPRESS: should we remember both the transformed and untransformed values?
basicSetNewValue(v);
}
}
boolean isTombstone = (v == Token.TOMBSTONE);
boolean success = false;
boolean calledSetValue = false;
try {
setNewValueBucketSize(owner, v);
// ezoerner:20081030
// last possible moment to do index maintenance with old value in
// RegionEntry before new value is set.
// As part of an update, this is a remove operation as prelude to an add that
// will come after the new value is set.
// If this is an "update" from INVALID state, treat this as a create instead
// for the purpose of index maintenance since invalid entries are not
// indexed.
if ((this.op.isUpdate() && !reentry.isInvalid()) || this.op.isInvalidate()) {
IndexManager idxManager = IndexUtils.getIndexManager(this.region, false);
if (idxManager != null) {
try {
idxManager.updateIndexes(reentry,
IndexManager.REMOVE_ENTRY,
this.op.isUpdate() ?
IndexProtocol.BEFORE_UPDATE_OP :
IndexProtocol.OTHER_OP);
}
catch (QueryException e) {
throw new IndexMaintenanceException(e);
}
}
}
final IndexUpdater indexUpdater = this.region.getIndexUpdater();
if (indexUpdater != null && this.txState == null) {
final LocalRegion indexRegion;
if (owner != null) {
indexRegion = owner;
}
else {
indexRegion = this.region;
}
try {
indexUpdater.onEvent(indexRegion, this, reentry);
calledSetValue = true;
reentry.setValueWithTombstoneCheck(v, this); // already called prepareValueForCache
success = true;
}
finally {
if(!success) {
// Reset the version stamp
VersionStamp stamp = reentry.getVersionStamp();
if(stamp != null && originalStampAsTag != null) {
stamp.setVersions(originalStampAsTag);
stamp.setMemberID(originalStampAsTag.getMemberID());
}
}
indexUpdater.postEvent(indexRegion, this, reentry, success);
}
}
else {
calledSetValue = true;
reentry.setValueWithTombstoneCheck(v, this); // already called prepareValueForCache
success = true;
}
} finally {
if (!success && reentry instanceof OffHeapRegionEntry && v instanceof Chunk) {
OffHeapRegionEntryHelper.releaseEntry((OffHeapRegionEntry)reentry, (Chunk)v);
}
}
if (logger.finerEnabled()) {
if (v instanceof CachedDeserializable) {
logger
.finer("EntryEventImpl.setNewValueInRegion: put CachedDeserializable("
+ this.getKey()
+ ","
+ ((CachedDeserializable)v).getStringForm() + ")");
}
else {
logger.finer("EntryEventImpl.setNewValueInRegion: put(" + this.getKey() + ","
+ LogWriterImpl.forceToString(v) + ")");
}
}
if (!isTombstone && wasTombstone) {
owner.unscheduleTombstone(reentry);
}
}
/**
* The size the new value contributes to a pr bucket.
* Note if this event is not on a pr then this value will be 0.
*/
private transient int newValueBucketSize;
public final int getNewValueBucketSize() {
return this.newValueBucketSize;
}
private final void setNewValueBucketSize(LocalRegion lr, Object v) {
if (lr == null) {
lr = this.region;
}
this.newValueBucketSize = lr.calculateValueSize(v);
}
private void processDeltaBytes(Object oldValueInVM) {
if (!this.region.hasSeenEvent(this)) {
if (oldValueInVM == null || Token.isInvalidOrRemoved(oldValueInVM)) {
this.region.getCachePerfStats().incDeltaFailedUpdates();
throw new InvalidDeltaException("Old value not found for key "
+ getKey());
}
FilterProfile fp = this.region.getFilterProfile();
// If compression is enabled then we've already gotten a new copy due to the
// serializaion and deserialization that occurs.
boolean copy = this.region.getCompressor() == null &&
(this.region.isCopyOnRead()
|| this.region.getCloningEnabled()
|| (fp != null && fp.getCqCount() > 0));
Object value = oldValueInVM;
boolean wasCD = false;
if (value instanceof CachedDeserializable) {
wasCD = true;
if (copy) {
value = ((CachedDeserializable)value).getDeserializedWritableCopy(this.region, re);
} else {
value = ((CachedDeserializable)value).getDeserializedValue(
this.region, re);
}
} else {
if (copy) {
value = CopyHelper.copy(value);
}
}
boolean deltaBytesApplied = false;
try {
long start = CachePerfStats.getStatTime();
((com.gemstone.gemfire.Delta)value).fromDelta(new DataInputStream(
new ByteArrayInputStream(getDeltaBytes())));
this.region.getCachePerfStats().endDeltaUpdate(start);
deltaBytesApplied = true;
} catch (RuntimeException rte) {
throw rte;
} catch (VirtualMachineError e) {
SystemFailure.initiateFailure(e);
throw e;
} catch (Throwable t) {
SystemFailure.checkFailure();
throw new DeltaSerializationException(
"Exception while deserializing delta bytes.", t);
} finally {
if (!deltaBytesApplied) {
this.region.getCachePerfStats().incDeltaFailedUpdates();
}
}
if (this.region.getLogWriterI18n().fineEnabled()) {
this.region.getLogWriterI18n().fine(
"Delta has been applied for key " + getKey());
}
// assert event.getNewValue() == null;
if (wasCD) {
CachedDeserializable old = (CachedDeserializable)oldValueInVM;
int valueSize;
if (GemFireCacheImpl.DELTAS_RECALCULATE_SIZE) {
valueSize = CachedDeserializableFactory.calcMemSize(value, region
.getObjectSizer(), false);
} else {
valueSize = old.getValueSizeInBytes();
}
value = CachedDeserializableFactory.create(value, valueSize);
}
setNewValue(value);
if (this.causedByMessage != null
&& this.causedByMessage instanceof PutMessage) {
((PutMessage)this.causedByMessage).setDeltaValObj(value);
}
} else {
this.region.getCachePerfStats().incDeltaFailedUpdates();
throw new InvalidDeltaException(
"Cache encountered replay of event containing delta bytes for key "
+ getKey());
}
}
final void setTXEntryOldValue(Object oldVal, boolean mustBeAvailable) {
if (Token.isInvalidOrRemoved(oldVal)) {
oldVal = null;
}
else {
if (mustBeAvailable || oldVal == null || EVENT_OLD_VALUE) {
// set oldValue to oldVal
}
else {
oldVal = Token.NOT_AVAILABLE;
}
}
retainAndSetOldValue(oldVal);
}
final void putValueTXEntry(final TXEntryState txEntry, final byte op) {
// !!!:ezoerner:20080611 Deltas do not yet work with transactions
// [sumedh] 20101215: GemFireXD deltas now work correctly with transactions
Object v = basicGetNewValue();
if (v == null) {
if (deltaBytes != null) {
// since newValue is null, and we have deltaBytes
// there must be a nearSidePendingValue
processDeltaBytes(txEntry.getNearSidePendingValue());
v = basicGetNewValue();
}
else if (delta == null) {
if (this.op.isInvalidate()) {
v = isLocalInvalid() ? Token.LOCAL_INVALID : Token.INVALID;
}
}
}
if (this.op != Operation.LOCAL_INVALIDATE
&& this.op != Operation.LOCAL_DESTROY) {
// fix for bug 34387
txEntry.setPendingValue(OffHeapHelper.copyIfNeeded(v),
this.delta, this.region, op); // TODO OFFHEAP optimize
}
putTXEntryCallbackArg(txEntry);
}
final void putTXEntryCallbackArg(final TXEntryState txEntry) {
final Object callbackArg = getRawCallbackArgument();
if (callbackArg != null) {
txEntry.setCallbackArgument(getCallbackArgument(callbackArg));
}
else {
txEntry.setCallbackArgument(null);
}
}
/** @return false if entry doesn't exist */
public final boolean setOldValueFromRegion() {
try {
RegionEntry re = this.region.getRegionEntry(getKey());
if (re == null) return false;
SimpleMemoryAllocatorImpl.skipRefCountTracking();
Object v = re._getValueRetain(this.region, true);
SimpleMemoryAllocatorImpl.unskipRefCountTracking();
try {
return setOldValue(v);
} finally {
OffHeapHelper.releaseWithNoTracking(v);
}
} catch (EntryNotFoundException ex) {
return false;
}
}
/** Return true if old value is the DESTROYED token */
public final boolean oldValueIsDestroyedToken() {
return this.oldValue == Token.DESTROYED || this.oldValue == Token.TOMBSTONE;
}
final void setOldValueDestroyedToken() {
basicSetOldValue(Token.DESTROYED);
}
public final boolean newValueIsDestroyedToken() {
return this.newValue == Token.DESTROYED || this.newValue == Token.TOMBSTONE;
}
/**
* @return false if value 'v' indicates that entry does not exist
*/
public final boolean setOldValue(Object v) {
return setOldValue(v, false);
}
/**
* TODO: currently this method does not force for null/INVALID value?
* Use the overloaded 3-arg method with "forceIfNull" arg to force
* null value.
*
* @param force true if the old value should be forcibly set, used
* for HARegions, methods like putIfAbsent, etc.,
* where the old value must be available.
* @return false if value 'v' indicates that entry does not exist
*/
public final boolean setOldValue(Object v, boolean force) {
// TODO: [sumedh] why does this not force for null/INVALID?? currently
// splitting out to a new method but this should really be fixed for all
// code paths and addditional forceIfNull argument removed
return setOldValue(v, force, false);
}
/**
* @param force true if the old value should be forcibly set, used
* for HARegions, partitioned region buckets, methods like putIfAbsent, etc.,
* where the old value must be available.
* @return false if value 'v' indicates that entry does not exist
*/
public final boolean setOldValue(Object v, boolean force,
boolean forceIfNull) {
if (!forceIfNull && (v == null || Token.isRemoved(v))) {
return false;
}
else {
if (Token.isInvalid(v)) {
v = null;
}
else {
if (force || forceIfNull ||
(this.region instanceof HARegion) // fix for bug 37909
) {
// set oldValue to "v".
} else if (EVENT_OLD_VALUE) {
// TODO Rusty add compression support here
// set oldValue to "v".
} else {
v = Token.NOT_AVAILABLE;
}
}
retainAndSetOldValue(v);
return true;
}
}
public final void setTXOldValue(@Retained(ENTRY_EVENT_OLD_VALUE) final Object v) {
final Object oldVal;
if (Token.isInvalid(v)) {
oldVal = null;
} else {
oldVal = v;
}
retainAndSetOldValue(oldVal);
}
/**
* sets the old value for concurrent map operation results received
* from a server.
*/
public final void setConcurrentMapOldValue(Object v) {
if (Token.isRemoved(v)) {
return;
} else {
if (Token.isInvalid(v)) {
v = null;
}
retainAndSetOldValue(v);
}
}
/** Return true if new value available */
public final boolean hasNewValue() {
Object tmp = this.newValue;
if (tmp == null && hasDelta()) {
// ???:ezoerner:20080611 what if applying the delta would produce
// null or (strangely) NOT_AVAILABLE.. do we need to apply it here to
// find out?
return true;
}
return tmp != null && tmp != Token.NOT_AVAILABLE;
}
public final boolean hasOldValue() {
return this.oldValue != null && this.oldValue != Token.NOT_AVAILABLE;
}
public final boolean isOldValueAToken() {
return this.oldValue instanceof Token;
}
public final void removeDelta() {
this.delta = null;
}
/**
* This should only be used in case of internal delta and not for Delta of
* Delta Propagation feature.
*
* @return boolean
*/
@Override
public final boolean hasDelta() {
return (this.delta != null);
}
/**
* Return true for an internal Delta that requires an old value in region.
*/
public final boolean hasDeltaPut() {
return (this.delta != null && !this.delta.allowCreate());
}
@Override
public final boolean isGFXDCreate(boolean updateAsCreateOnlyForPosDup) {
if (this.op.isCreate()) {
return true;
}
else if (updateAsCreateOnlyForPosDup) {
return (isPossibleDuplicate() && this.op.isUpdate() && !hasDelta());
}
else {
return (this.op.isUpdate() && !hasDelta());
}
}
public final boolean isOldValueAvailable() {
if (isOriginRemote() && this.region.isProxy()) {
return false;
} else {
return basicGetOldValue() != Token.NOT_AVAILABLE;
}
}
public final void oldValueNotAvailable() {
basicSetOldValue(Token.NOT_AVAILABLE);
}
public static Object deserialize(byte[] bytes) {
return deserialize(bytes, null, null);
}
public static Object deserialize(byte[] bytes, Version version,
ByteArrayDataInput in) {
if (bytes == null)
return null;
try {
return BlobHelper.deserializeBlob(bytes, version, in);
}
catch (IOException e) {
throw new SerializationException(LocalizedStrings.EntryEventImpl_AN_IOEXCEPTION_WAS_THROWN_WHILE_DESERIALIZING.toLocalizedString(), e);
}
catch (ClassNotFoundException e) {
// fix for bug 43602
throw new SerializationException(LocalizedStrings.EntryEventImpl_A_CLASSNOTFOUNDEXCEPTION_WAS_THROWN_WHILE_TRYING_TO_DESERIALIZE_CACHED_VALUE.toLocalizedString(), e);
}
}
/**
* Serialize an object into a byte[]
*
* @throws IllegalArgumentException
* If obj should not be serialized
*/
public static byte[] serialize(Object obj) {
return serialize(obj, (Version)null);
}
/**
* Serialize an object into a byte[]
*
* @throws IllegalArgumentException
* If obj should not be serialized
*/
public static byte[] serialize(Object obj, Version version) {
if (obj == null || obj == Token.NOT_AVAILABLE
|| Token.isInvalidOrRemoved(obj))
throw new IllegalArgumentException(LocalizedStrings.EntryEventImpl_MUST_NOT_SERIALIZE_0_IN_THIS_CONTEXT.toLocalizedString(obj));
try {
return BlobHelper.serializeToBlob(obj, version);
}
catch (IOException e) {
throw new SerializationException(LocalizedStrings.EntryEventImpl_AN_IOEXCEPTION_WAS_THROWN_WHILE_SERIALIZING.toLocalizedString(), e);
}
}
/**
* Serialize an object into a byte[]
*
* @throws IllegalArgumentException
* If obj should not be serialized
*/
public static byte[] serialize(Object obj, HeapDataOutputStream hdos) {
if (obj == null || obj == Token.NOT_AVAILABLE
|| Token.isInvalidOrRemoved(obj))
throw new IllegalArgumentException(LocalizedStrings.EntryEventImpl_MUST_NOT_SERIALIZE_0_IN_THIS_CONTEXT.toLocalizedString(obj));
try {
return BlobHelper.serializeToBlob(obj, hdos);
}
catch (IOException e) {
throw new SerializationException(LocalizedStrings.EntryEventImpl_AN_IOEXCEPTION_WAS_THROWN_WHILE_SERIALIZING.toLocalizedString(), e);
}
}
/**
* Serialize an object into a byte[] . If the byte array
* provided by the wrapper is sufficient to hold the data, it is used
* otherwise a new byte array gets created & its reference is stored in the
* wrapper. The User Bit is also appropriately set as Serialized
*
* @param wrapper
* Object of type BytesAndBitsForCompactor which is used to fetch
* the serialized data. The byte array of the wrapper is used
* if possible else a the new byte array containing the data is
* set in the wrapper.
* @throws IllegalArgumentException
* If obj should not be serialized
*/
public static void fillSerializedValue(BytesAndBitsForCompactor wrapper,
Object obj, byte userBits) {
if (obj == null || obj == Token.NOT_AVAILABLE
|| Token.isInvalidOrRemoved(obj))
throw new IllegalArgumentException(
LocalizedStrings.EntryEvents_MUST_NOT_SERIALIZE_0_IN_THIS_CONTEXT.toLocalizedString(obj));
try {
HeapDataOutputStream hdos = null;
if (wrapper.getBytes().length < 32) {
hdos = new HeapDataOutputStream(Version.CURRENT);
}
else {
hdos = new HeapDataOutputStream(wrapper.getBytes());
}
DataSerializer.writeObject(obj, hdos);
// return hdos.toByteArray();
hdos.sendTo(wrapper, userBits);
}
catch (IOException e) {
RuntimeException e2 = new IllegalArgumentException(
LocalizedStrings.EntryEventImpl_AN_IOEXCEPTION_WAS_THROWN_WHILE_SERIALIZING.toLocalizedString());
e2.initCause(e);
throw e2;
}
}
final String getShortClassName() {
String cname = getClass().getName();
return cname.substring(getClass().getPackage().getName().length()+1);
}
@Override
public String toString() {
final StringBuilder buf = new StringBuilder();
buf.append(getShortClassName());
buf.append('@').append(Integer.toHexString(System.identityHashCode(this)));
buf.append("[");
buf.append("region=");
buf.append(getRegion() != null ? getRegion().getFullPath() : null);
buf.append(";op=");
buf.append(getOperation());
buf.append(";key=");
buf.append(this.getKey());
buf.append(";bucketId=");
buf.append(this.getBucketId());
buf.append(";tailKey=");
buf.append(this.getTailKey());
buf.append(";batchIDUUID=");
buf.append(this.getBatchUUID());
buf.append(";oldValue=");
try {
ArrayUtils.objectStringNonRecursive(basicGetOldValue(), buf);
} catch (IllegalStateException ex) {
buf.append("OFFHEAP_VALUE_FREED");
}
if (hasDelta()) {
buf.append(";delta=");
buf.append(this.delta);
}
buf.append(";newValue=");
try {
ArrayUtils.objectStringNonRecursive(basicGetNewValue(), buf);
} catch (IllegalStateException ex) {
buf.append("OFFHEAP_VALUE_FREED");
}
buf.append(";callbackArg=");
buf.append(this.getRawCallbackArgument());
buf.append(";originRemote=");
buf.append(isOriginRemote());
buf.append(";originMember=");
buf.append(getDistributedMember());
// if (this.partitionMessage != null) {
// buf.append("; partitionMessage=");
// buf.append(this.partitionMessage);
// }
if (this.isPossibleDuplicate()) {
buf.append(";posDup");
}
if (callbacksInvoked()) {
buf.append(";callbacksInvoked");
}
if (this.versionTag != null) {
buf.append(";version=").append(this.versionTag);
}
if (getContext() != null) {
buf.append(";context=");
buf.append(getContext());
}
if (this.eventID != null) {
buf.append(";id=");
buf.append(this.eventID);
}
if (this.deltaBytes != null) {
buf.append(";[" + this.deltaBytes.length + " deltaBytes]");
}
// else {
// buf.append(";[no deltaBytes]");
// }
if (this.filterInfo != null) {
buf.append(";routing=");
buf.append(this.filterInfo);
}
if (this.txState != null) {
buf.append(";TX=").append(this.txState);
}
buf.append(";possibleDuplicate="+isPossibleDuplicate());
if (this.isFromServer()) {
buf.append(";isFromServer");
}
if (this.isConcurrencyConflict()) {
buf.append(";isInConflict");
}
if (this.getInhibitDistribution()) {
buf.append(";inhibitDistribution");
}
if (this.skipFKChecks()) {
buf.append(";skipFKChecks");
}
if (this.isLoadedFromHDFS()) {
buf.append("; loadedFromHDFS");
}
if (this.isPutDML) {
buf.append("; isPutDML");
}
buf.append("]");
return buf.toString();
}
public String shortToString() {
final StringBuilder buf = new StringBuilder();
buf.append("EntryEventImpl@");
buf.append(Integer.toHexString(System.identityHashCode(this)));
buf.append("[");
buf.append("key=");
buf.append(this.getKey());
buf.append(";bucketId=");
buf.append(this.getBucketId());
if (hasDelta()) {
buf.append(";delta=");
buf.append(this.delta);
}
buf.append(";newValue=");
buf.append(this.newValue);
buf.append(";op=");
buf.append(getOperation());
buf.append(";callbackArg=");
buf.append(this.getRawCallbackArgument());
buf.append("]");
return buf.toString();
}
public int getDSFID() {
return ENTRY_EVENT;
}
public void toData(DataOutput out) throws IOException
{
DataSerializer.writeObject(this.eventID, out);
DataSerializer.writeObject(this.key, out);
out.writeByte(this.op.ordinal);
out.writeShort((this.eventFlags & EventFlags.FLAG_TRANSIENT_MASK)
| this.extraEventFlags);
DataSerializer.writeObject(this.getRawCallbackArgument(), out);
{
boolean isDelta = this.delta != null;
out.writeBoolean(isDelta);
if (isDelta) {
DataSerializer.writeObject(this.delta, out);
}
else {
Object nv = basicGetNewValue();
boolean newValueSerialized = nv instanceof CachedDeserializable;
if (newValueSerialized) {
if (nv instanceof StoredObject) {
newValueSerialized = ((StoredObject) nv).isSerialized();
}
}
out.writeBoolean(newValueSerialized);
if (newValueSerialized) {
if (this.newValueBytes != null) {
DataSerializer.writeByteArray(this.newValueBytes, out);
}
else {
CachedDeserializable cd = (CachedDeserializable)nv;
DataSerializer.writeObjectAsByteArray(cd.getValue(), out);
}
}
else {
DataSerializer.writeObject(nv, out);
}
}
}
{
Object ov = basicGetOldValue();
boolean oldValueSerialized = ov instanceof CachedDeserializable;
if (oldValueSerialized) {
if (ov instanceof StoredObject) {
oldValueSerialized = ((StoredObject) ov).isSerialized();
}
}
out.writeBoolean(oldValueSerialized);
if (oldValueSerialized) {
if (this.oldValueBytes != null) {
DataSerializer.writeByteArray(this.oldValueBytes, out);
}
else {
CachedDeserializable cd = (CachedDeserializable)ov;
DataSerializer.writeObjectAsByteArray(cd.getValue(), out);
}
}
else {
DataSerializer.writeObject(ov, out);
}
}
InternalDataSerializer.invokeToData((InternalDistributedMember)this.distributedMember, out);
DataSerializer.writeObject(getContext(), out);
out.writeLong(tailKey);
}
private static abstract class EventFlags {
private static final short FLAG_ORIGIN_REMOTE = 0x01;
// localInvalid: true if a null new value should be treated as a local
// invalid.
private static final short FLAG_LOCAL_INVALID = 0x02;
private static final short FLAG_GENERATE_CALLBACKS = 0x04;
private static final short FLAG_POSSIBLE_DUPLICATE = 0x08;
private static final short FLAG_INVOKE_PR_CALLBACKS = 0x10;
private static final short FLAG_CONCURRENCY_CONFLICT = 0x20;
private static final short FLAG_INHIBIT_LISTENER_NOTIFICATION = 0x40;
private static final short FLAG_CALLBACKS_INVOKED = 0x80;
private static final short FLAG_ISCREATE = 0x100;
private static final short FLAG_SERIALIZATION_DEFERRED = 0x200;
private static final short FLAG_FROM_SERVER = 0x400;
private static final short FLAG_FROM_RI_LOCAL_DESTROY = 0x800;
private static final short FLAG_INHIBIT_DISTRIBUTION = 0x1000;
private static final short GFXD_SKIP_DISTRIBUTION_OPS = 0x2000;
private static final short GFXD_DISTRIBUTE_INDEX_OPS = 0x4000;
private static final short FLAG_REDESTROYED_TOMBSTONE = (short)0x8000;
// extra event flags; currently these need to have same values as normal
// flags that are transient so can be reused when sending across
private static final short FLAG_INHIBIT_ALL_NOTIFICATIONS =
FLAG_INHIBIT_LISTENER_NOTIFICATION;
private static final short FLAG_SKIP_FK_CHECKS = 0x800;
/** mask for clearing transient flags when serializing */
private static final short FLAG_TRANSIENT_MASK =
~(FLAG_CALLBACKS_INVOKED
| FLAG_ISCREATE
| FLAG_INHIBIT_LISTENER_NOTIFICATION
| FLAG_SERIALIZATION_DEFERRED
| FLAG_FROM_SERVER
| FLAG_FROM_RI_LOCAL_DESTROY
| FLAG_INHIBIT_DISTRIBUTION
| GFXD_SKIP_DISTRIBUTION_OPS
| GFXD_DISTRIBUTE_INDEX_OPS
| FLAG_REDESTROYED_TOMBSTONE
);
}
/**
* @return null if old value is not serialized; otherwise returns a SerializedCacheValueImpl containing the old value.
*/
public final SerializedCacheValueImpl getSerializedOldValue() {
@Unretained(ENTRY_EVENT_OLD_VALUE)
final Object tmp = basicGetOldValue();
if (tmp instanceof CachedDeserializable) {
if (tmp instanceof StoredObject) {
if (!((StoredObject) tmp).isSerialized()) {
// TODO OFFHEAP can we handle offheap byte[] better?
return null;
}
}
return new SerializedCacheValueImpl(this, this.region, this.re,
(CachedDeserializable)tmp, this.oldValueBytes);
}
else {
return null;
}
}
/**
* Compute an estimate of the size of the new value
* for a PR. Since PR's always store values in a cached deserializable
* we need to compute its size as a blob.
*
* @return the size of serialized bytes for the new value
*/
public final int getNewValSizeForPR() {
int newSize = 0;
applyDelta(false);
Object v = basicGetNewValue();
if (v != null) {
try {
newSize = CachedDeserializableFactory.calcSerializedSize(v)
+ CachedDeserializableFactory.overhead();
} catch (IllegalArgumentException iae) {
this.region.getCache().getLoggerI18n().warning(
LocalizedStrings.EntryEventImpl_DATASTORE_FAILED_TO_CALCULATE_SIZE_OF_NEW_VALUE,
iae);
newSize = 0;
}
}
return newSize;
}
/**
* Compute an estimate of the size of the old value
*
* @return the size of serialized bytes for the old value
*/
public final int getOldValSize() {
int oldSize = 0;
if (hasOldValue()) {
try {
oldSize = CachedDeserializableFactory.calcMemSize(basicGetOldValue());
} catch (IllegalArgumentException iae) {
this.region.getCache().getLoggerI18n().warning(LocalizedStrings.EntryEventImpl_DATASTORE_FAILED_TO_CALCULATE_SIZE_OF_OLD_VALUE, iae);
oldSize = 0;
}
}
return oldSize;
}
public final EnumListenerEvent getEventType() {
return this.eventType;
}
/**
* Sets the operation type.
* @param eventType
*/
public final void setEventType(EnumListenerEvent eventType) {
this.eventType = eventType;
}
/**
* set this to true after dispatching the event to a cache listener
*/
public final void callbacksInvoked(boolean dispatched) {
setEventFlag(EventFlags.FLAG_CALLBACKS_INVOKED, dispatched);
}
/**
* has this event been dispatched to a cache listener?
*/
public final boolean callbacksInvoked() {
return testEventFlag(EventFlags.FLAG_CALLBACKS_INVOKED);
}
/**
* set this to true to inhibit application cache listener notification
* during event dispatching
*/
public final void inhibitCacheListenerNotification(boolean inhibit) {
setEventFlag(EventFlags.FLAG_INHIBIT_LISTENER_NOTIFICATION, inhibit);
}
/**
* are events being inhibited from dispatch to application cache listeners
* for this event?
*/
public final boolean inhibitCacheListenerNotification() {
return testEventFlag(EventFlags.FLAG_INHIBIT_LISTENER_NOTIFICATION);
}
/**
* dispatch listener events for this event
* @param notifyGateways pass the event on to WAN queues
*/
final void invokeCallbacks(LocalRegion rgn,boolean skipListeners,
boolean notifyGateways) {
if (!callbacksInvoked()) {
callbacksInvoked(true);
if (this.op.isUpdate()) {
rgn.invokePutCallbacks(EnumListenerEvent.AFTER_UPDATE, this,
!skipListeners, notifyGateways); // gateways are notified in part2 processing
}
else if (this.op.isCreate()) {
rgn.invokePutCallbacks(EnumListenerEvent.AFTER_CREATE, this,
!skipListeners, notifyGateways);
}
else if (this.op.isDestroy()) {
rgn.invokeDestroyCallbacks(EnumListenerEvent.AFTER_DESTROY,
this, !skipListeners, notifyGateways);
}
else if (this.op.isInvalidate()) {
rgn.invokeInvalidateCallbacks(EnumListenerEvent.AFTER_INVALIDATE,
this, !skipListeners);
}
}
}
private final void setFromRILocalDestroy(boolean on) {
setEventFlag(EventFlags.FLAG_FROM_RI_LOCAL_DESTROY, on);
}
public final boolean isFromRILocalDestroy(){
return testEventFlag(EventFlags.FLAG_FROM_RI_LOCAL_DESTROY);
}
protected long tailKey = -1L;
protected UUID batchUUID = BucketRegion.zeroUUID;
/**
* Return true if this event came from a server by the client doing a get.
* @since 5.7
*/
public final boolean isFromServer() {
return testEventFlag(EventFlags.FLAG_FROM_SERVER);
}
/**
* Sets the fromServer flag to v. This must be set to true if an event
* comes from a server while the affected region entry is not locked. Among
* other things it causes version conflict checks to be performed to protect
* against overwriting a newer version of the entry.
* @since 5.7
*/
public final void setFromServer(boolean v) {
setEventFlag(EventFlags.FLAG_FROM_SERVER, v);
}
/**
* If true, the region associated with this event had already
* applied the operation it encapsulates when an attempt was
* made to apply the event.
* @return the possibleDuplicate
*/
public final boolean isPossibleDuplicate() {
return testEventFlag(EventFlags.FLAG_POSSIBLE_DUPLICATE);
}
/**
* If the operation encapsulated by this event has already been
* seen by the region to which it pertains, this flag should be
* set to true.
* @param possibleDuplicate the possibleDuplicate to set
*/
public final void setPossibleDuplicate(boolean possibleDuplicate) {
setEventFlag(EventFlags.FLAG_POSSIBLE_DUPLICATE, possibleDuplicate);
}
/**
* are events being inhibited from dispatch to to gateway/async queues,
* client queues, cache listener and cache write. If set, sending
* notifications for the data that is read from a persistent store (HDFS) and
* is being reinserted in the cache is skipped.
*/
public final boolean inhibitAllNotifications() {
return testExtraEventFlag(EventFlags.FLAG_INHIBIT_ALL_NOTIFICATIONS);
}
/**
* set this to true to inhibit notifications that are sent to gateway/async queues,
* client queues, cache listener and cache write. This is used to skip sending
* notifications for the data that is read from a persistent store (HDFS) and
* is being reinserted in the cache
*/
public final void setInhibitAllNotifications(boolean inhibit) {
setExtraEventFlag(EventFlags.FLAG_INHIBIT_ALL_NOTIFICATIONS, inhibit);
}
public final void setSkipFKChecks(boolean skip) {
setExtraEventFlag(EventFlags.FLAG_SKIP_FK_CHECKS, skip);
}
public final boolean skipFKChecks() {
return testExtraEventFlag(EventFlags.FLAG_SKIP_FK_CHECKS);
}
/**
* sets the routing information for cache clients
*/
public final void setLocalFilterInfo(FilterInfo info) {
this.filterInfo = info;
}
/**
* retrieves the routing information for cache clients in this VM
*/
public final FilterInfo getLocalFilterInfo() {
return this.filterInfo;
}
// transient flags for GemFireXD index maintenance; using the eventFlags byte
// instead of adding new booleans and even though eventFlags will be
// serialized it does not matter since these flags are only set and read for
// local index maintenance
/** force skipping of distribution (FK, global index) for index maintenance */
public final void setSkipDistributionOps() {
this.eventFlags |= EventFlags.GFXD_SKIP_DISTRIBUTION_OPS;
}
public final boolean getSkipDistributionOps() {
return (this.eventFlags & EventFlags.GFXD_SKIP_DISTRIBUTION_OPS) != 0;
}
/** force distribution (FK, global index) for index maintenance */
public final void setDistributeIndexOps() {
this.eventFlags |= EventFlags.GFXD_DISTRIBUTE_INDEX_OPS;
}
public final boolean getDistributeIndexOps() {
return (this.eventFlags & EventFlags.GFXD_DISTRIBUTE_INDEX_OPS) != 0;
}
// end transient flags for GemFireXD index maintenance
public final LocalRegion getLocalRegion() {
return this.region;
}
/**
* This method returns the delta bytes used in Delta Propagation feature.
* For internal delta, see getRawNewValue().
*
* @return delta bytes
*/
public final byte[] getDeltaBytes() {
return deltaBytes;
}
/**
* This method sets the delta bytes used in Delta Propagation feature. For
* internal delta, see setNewValue().
*
* @param deltaBytes
*/
public final void setDeltaBytes(byte[] deltaBytes) {
this.deltaBytes = deltaBytes;
}
// TODO (ashetkar) Can this.op.isCreate() be used instead?
public final boolean isCreate() {
return testEventFlag(EventFlags.FLAG_ISCREATE);
}
/**
* this is used to distinguish an event that merely has Operation.CREATE
* from one that originated from Region.create() for delta processing
* purposes.
*/
public final EntryEventImpl setCreate(boolean isCreate) {
setEventFlag(EventFlags.FLAG_ISCREATE, isCreate);
return this;
}
public final void setContextObject(Object ctx) {
this.contextObj = ctx;
}
public final Object getContextObject() {
return this.contextObj;
}
public final void setEntryLastModified(long v) {
this.entryLastModified = v;
}
public final long getEntryLastModified() {
return this.entryLastModified;
}
public final void setHasOldRegionEntry(boolean v) {
this.hasOldRegionEntry = v;
}
public final boolean getHasOldRegionEntry() {
return this.hasOldRegionEntry;
}
/**
* Get the {@link LockingPolicy} to be used for the current operation.
*/
public final LockingPolicy getLockingPolicy() {
return this.lockPolicy;
}
/**
* Set the {@link LockingPolicy} to be used for the current operation.
*/
public final void setLockingPolicy(final LockingPolicy policy) {
this.lockPolicy = policy;
}
/**
* establish the old value in this event as the current cache value,
* whether in memory or on disk
*/
public final void setOldValueForQueryProcessing() {
RegionEntry reentry = this.region.entries.getEntry(this.getKey());
if (reentry != null) {
@Retained Object v = reentry.getValueOffHeapOrDiskWithoutFaultIn(this.region);
if ( !(v instanceof Token) ) {
// v has already been retained.
basicSetOldValue(v);
// this event now owns the retention of v.
}
}
}
@Override
public Version[] getSerializationVersions() {
return null;
}
/**
* @param versionTag
* the versionTag to set
*/
public final void setVersionTag(VersionTag versionTag) {
this.versionTag = versionTag;
}
/**
* @return the concurrency versioning tag for this event, if any
*/
public final VersionTag getVersionTag() {
return this.versionTag;
}
/**
* this method joins together version tag timestamps and the "lastModified"
* timestamps generated and stored in entries. If a change does not already
* carry a lastModified timestamp
* @param suggestedTime
* @return the timestamp to store in the entry
*/
public final long getEventTime(long suggestedTime) {
return getEventTime(suggestedTime, null);
}
/**
* this method joins together version tag timestamps and the "lastModified"
* timestamps generated and stored in entries. If a change does not already
* carry a lastModified timestamp
* @param suggestedTime
* @param region
* @return the timestamp to store in the entry
*/
public final long getEventTime(long suggestedTime, LocalRegion region) {
long result = suggestedTime;
if (this.versionTag != null) {
if (suggestedTime != 0) {
this.versionTag.setVersionTimeStamp(suggestedTime);
} else {
result = this.versionTag.getVersionTimeStamp();
}
}
if (result <= 0) {
result = this.entryLastModified;
}
if (result <= 0) {
if (region == null) {
region = this.region;
}
if (region != null) {
result = region.cacheTimeMillis();
} else {
result = System.currentTimeMillis();
}
}
return result;
}
public static final class SerializedCacheValueImpl
implements SerializedCacheValue, CachedDeserializable, Sendable
{
private final EntryEventImpl event;
@Unretained private final CachedDeserializable cd;
private final Region r;
private final RegionEntry re;
private final byte[] serializedValue;
SerializedCacheValueImpl(EntryEventImpl event, Region r, RegionEntry re, @Unretained CachedDeserializable cd, byte[] serializedBytes) {
if (cd instanceof Chunk) {
this.event = event;
} else {
this.event = null;
}
this.r = r;
this.re = re;
this.cd = cd;
this.serializedValue = serializedBytes;
}
public byte[] getSerializedValue() {
if(this.serializedValue != null){
return this.serializedValue;
}
return getCd().getSerializedValue();
}
private CachedDeserializable getCd() {
if (this.event != null && !this.event.offHeapOk) {
throw new IllegalStateException("Attempt to access off heap value after the EntryEvent was released.");
}
return this.cd;
}
public Object getDeserializedValue() {
return getDeserializedValue(this.r, this.re);
}
public Object getDeserializedForReading() {
return OffHeapHelper.getHeapForm(getCd().getDeserializedForReading());
}
public Object getDeserializedWritableCopy(Region rgn, RegionEntry entry) {
return OffHeapHelper.getHeapForm(getCd().getDeserializedWritableCopy(rgn, entry));
}
public Object getDeserializedValue(Region rgn, RegionEntry reentry) {
return OffHeapHelper.getHeapForm(getCd().getDeserializedValue(rgn, reentry));
}
public Object getValue() {
if(this.serializedValue != null){
return this.serializedValue;
}
return getCd().getValue();
}
public void writeValueAsByteArray(DataOutput out) throws IOException {
if (this.serializedValue != null) {
DataSerializer.writeByteArray(this.serializedValue, out);
} else {
getCd().writeValueAsByteArray(out);
}
}
public void fillSerializedValue(BytesAndBitsForCompactor wrapper, byte userBits) {
if (this.serializedValue != null) {
wrapper.setData(this.serializedValue, userBits, this.serializedValue.length,
false /* Not Reusable as it refers to underlying value */);
} else {
getCd().fillSerializedValue(wrapper, userBits);
}
}
public int getValueSizeInBytes() {
return getCd().getValueSizeInBytes();
}
public int getSizeInBytes() {
return getCd().getSizeInBytes();
}
public String getStringForm() {
return getCd().getStringForm();
}
@Override
public void sendTo(DataOutput out) throws IOException {
DataSerializer.writeObject(getCd(), out);
}
}
//////////////////////////////////////////////////////////////////////////////////////////
public final void setTailKey(long tailKey) {
this.tailKey = tailKey;
}
public final long getTailKey() {
return this.tailKey;
}
public final UUID getBatchUUID() {
return this.batchUUID;
}
public final void setBatchUUID(UUID uuid) {
this.batchUUID = uuid;
}
private Thread invokeCallbacksThread;
private long currentOpLogKeyId = -1;
/**
* Mark this event as having its callbacks invoked by the current thread.
* Note this is done just before the actual invocation of the callbacks.
*/
public final void setCallbacksInvokedByCurrentThread() {
this.invokeCallbacksThread = Thread.currentThread();
}
/**
* Return true if this event was marked as having its callbacks invoked
* by the current thread.
*/
public final boolean getCallbacksInvokedByCurrentThread() {
if (this.invokeCallbacksThread == null) return false;
return Thread.currentThread().equals(this.invokeCallbacksThread);
}
public final void setCurrentOpLogKeyId(long val) {
this.currentOpLogKeyId = val;
}
public final long getCurrentOpLogKeyId() {
return this.currentOpLogKeyId;
}
/**
* Returns whether this event is on the PDX type region.
* @return whether this event is on the PDX type region
*/
public final boolean isOnPdxTypeRegion() {
return PeerTypeRegistration.REGION_FULL_PATH.equals(this.region
.getFullPath());
}
/**
* returns true if it is okay to process this event even though it has
* a null version
*/
public final boolean noVersionReceivedFromServer() {
return versionTag == null
&& region.concurrencyChecksEnabled
&& region.getServerProxy() != null
&& !op.isLocal()
&& !isOriginRemote()
;
}
/**
* returns a copy of this event with the additional fields for WAN conflict
* resolution
*/
public final TimestampedEntryEvent getTimestampedEvent(final int newDSID,
final int oldDSID, final long newTimestamp, final long oldTimestamp) {
return new TimestampedEntryEventImpl(this, newDSID, oldDSID, newTimestamp,
oldTimestamp);
}
private final void setSerializationDeferred(boolean serializationDeferred) {
setEventFlag(EventFlags.FLAG_SERIALIZATION_DEFERRED, serializationDeferred);
}
private final boolean isSerializationDeferred() {
return testEventFlag(EventFlags.FLAG_SERIALIZATION_DEFERRED);
}
public final boolean isSingleHop() {
return (this.causedByMessage != null && this.causedByMessage instanceof RemoteOperationMessage);
}
public final boolean isSingleHopPutOp() {
return (this.causedByMessage != null && this.causedByMessage instanceof RemotePutMessage);
}
/**
* True if it is ok to use old/new values that are stored off heap.
* False if an exception should be thrown if an attempt is made to access old/new offheap values.
*/
private transient boolean offHeapOk = true;
@Override
@Released({ENTRY_EVENT_NEW_VALUE, ENTRY_EVENT_OLD_VALUE})
public final void release() {
// noop if already freed or values can not be off-heap
if (!this.offHeapOk) return;
// Note that this method does not set the old/new values to null but
// leaves them set to the off-heap value so that future calls to getOld/NewValue
// will fail with an exception.
// LocalRegion lr = getLocalRegion();
// if (lr != null) {
// if (lr.isCacheClosing()) {
// // to fix races during closing and recreating cache (see bug 47883) don't bother
// // trying to decrement reference counts if we are closing the cache.
// // TODO OFFHEAP: this will cause problems once offheap lives longer than a cache.
// this.offHeapOk = false;
// return;
// }
// }
Object ov = basicGetOldValue();
Object nv = basicGetNewValue();
this.offHeapOk = false;
if (ov instanceof Chunk) {
//this.region.getCache().getLogger().info("DEBUG freeing ref to old value on " + System.identityHashCode(ov));
if (SimpleMemoryAllocatorImpl.trackReferenceCounts()) {
SimpleMemoryAllocatorImpl.setReferenceCountOwner(new OldValueOwner());
((Chunk) ov).release();
SimpleMemoryAllocatorImpl.setReferenceCountOwner(null);
} else {
((Chunk) ov).release();
}
}
OffHeapHelper.releaseAndTrackOwner(nv, this);
}
/**
* Make sure that this event will never own an off-heap value.
* Once this is called on an event it does not need to have release called.
*/
public final void disallowOffHeapValues() {
if (this.newValue instanceof Chunk || this.oldValue instanceof Chunk) {
throw new IllegalStateException("This event does not support off-heap values");
}
this.offHeapOk = false;
}
/**
* This copies the off-heap new and/or old value to the heap.
* As a result the current off-heap new/old will be released.
* @throws IllegalStateException if called with an event for gfxd data.
*/
@Released({ENTRY_EVENT_NEW_VALUE, ENTRY_EVENT_OLD_VALUE})
public final void copyOffHeapToHeap() {
Object ov = basicGetOldValue();
if (ov instanceof Chunk) {
if (SimpleMemoryAllocatorImpl.trackReferenceCounts()) {
SimpleMemoryAllocatorImpl.setReferenceCountOwner(new OldValueOwner());
this.oldValue = OffHeapHelper.copyAndReleaseIfNeeded(ov);
SimpleMemoryAllocatorImpl.setReferenceCountOwner(null);
} else {
this.oldValue = OffHeapHelper.copyAndReleaseIfNeeded(ov);
}
}
Object nv = basicGetNewValue();
if (nv instanceof Chunk) {
SimpleMemoryAllocatorImpl.setReferenceCountOwner(this);
this.newValue = OffHeapHelper.copyAndReleaseIfNeeded(nv);
SimpleMemoryAllocatorImpl.setReferenceCountOwner(null);
}
if (this.newValue instanceof Chunk || this.oldValue instanceof Chunk) {
throw new IllegalStateException("event's old/new value still off-heap after calling copyOffHeapToHeap");
}
this.offHeapOk = false;
}
@Released({ENTRY_EVENT_NEW_VALUE, ENTRY_EVENT_OLD_VALUE})
public final void reset(boolean keepLastModifiedTime) {
if (this.offHeapOk) {
release();
}
this.key = null;
this.bucketId = UNKNOWN_BUCKET;
this.region = null;
this.eventID = null;
this.newValue = null;
this.newValueBytes = null;
this.re = null;
this.delta = null;
this.oldValue = null;
this.oldValueBytes = null;
this.eventFlags = 0;
this.op = null;
this.distributedMember = null;
this.filterInfo = null;
this.callbackArg = null;
this.context = null;
this.deltaBytes = null;
this.txState = null;
this.tailKey = -1L;
this.batchUUID = BucketRegion.zeroUUID;
this.versionTag = null;
if (!keepLastModifiedTime) {
this.entryLastModified = -1L;
}
this.causedByMessage = null;
this.contextObj = null;
this.currentOpLogKeyId = -1L;
this.eventType = null;
this.lockPolicy = null;
this.hasOldRegionEntry = false;
this.newValueBucketSize = 0;
this.putAllOp = null;
this.extraEventFlags = 0;
this.offHeapOk = true;
this.fetchFromHDFS = true;
this.isPutDML = false;
this.loadedFromHDFS = false;
}
public final boolean isOldValueOffHeap() {
return this.oldValue instanceof Chunk;
}
public final boolean isFetchFromHDFS() {
return fetchFromHDFS;
}
public final void setFetchFromHDFS(boolean fetchFromHDFS) {
this.fetchFromHDFS = fetchFromHDFS;
}
public final boolean isPutDML() {
return this.isPutDML;
}
public final void setPutDML(boolean val) {
this.isPutDML = val;
}
public final boolean isLoadedFromHDFS() {
return loadedFromHDFS;
}
public final void setLoadedFromHDFS(boolean loadedFromHDFS) {
this.loadedFromHDFS = loadedFromHDFS;
}
}