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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing
/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You 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.
*/
package org.apache.geode.internal.cache.partitioned;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import org.apache.logging.log4j.Logger;
import org.apache.geode.DataSerializer;
import org.apache.geode.cache.CacheException;
import org.apache.geode.cache.EntryNotFoundException;
import org.apache.geode.cache.Operation;
import org.apache.geode.cache.query.QueryException;
import org.apache.geode.distributed.internal.DirectReplyProcessor;
import org.apache.geode.distributed.internal.DistributionManager;
import org.apache.geode.distributed.internal.InternalDistributedSystem;
import org.apache.geode.distributed.internal.ReplyException;
import org.apache.geode.distributed.internal.ReplyMessage;
import org.apache.geode.distributed.internal.membership.InternalDistributedMember;
import org.apache.geode.internal.Assert;
import org.apache.geode.internal.cache.DataLocationException;
import org.apache.geode.internal.cache.EntryEventImpl;
import org.apache.geode.internal.cache.EventID;
import org.apache.geode.internal.cache.ForceReattemptException;
import org.apache.geode.internal.cache.PartitionedRegion;
import org.apache.geode.internal.cache.PartitionedRegionDataStore;
import org.apache.geode.internal.cache.PartitionedRegionHelper;
import org.apache.geode.internal.cache.PrimaryBucketException;
import org.apache.geode.internal.cache.versions.VersionTag;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.LogService;
import org.apache.geode.internal.logging.log4j.LogMarker;
/**
* This message is generated based on event received on GatewayReceiver for updating the time-stamp
* in a version tag for a RegionEntry.
*
*
*/
public class PRUpdateEntryVersionMessage extends PartitionMessageWithDirectReply {
private static final Logger logger = LogService.getLogger();
/** The key associated with the value that must be sent */
private Object key;
/** The operation performed on the sender */
private Operation op;
/** event identifier */
private EventID eventId;
protected VersionTag versionTag;
/** for deserialization */
public PRUpdateEntryVersionMessage() {}
/**
* @param recipients
* @param regionId
* @param processor
*/
public PRUpdateEntryVersionMessage(Collection recipients, int regionId,
DirectReplyProcessor processor) {
super(recipients, regionId, processor);
}
/**
* @param recipients
* @param regionId
* @param processor
* @param event
*/
public PRUpdateEntryVersionMessage(Set recipients, int regionId, DirectReplyProcessor processor,
EntryEventImpl event) {
super(recipients, regionId, processor, event);
this.key = event.getKey();
this.op = event.getOperation();
this.eventId = event.getEventId();
this.versionTag = event.getVersionTag();
}
/*
* (non-Javadoc)
*
* @see org.apache.geode.internal.DataSerializableFixedID#getDSFID()
*/
@Override
public int getDSFID() {
return PR_UPDATE_ENTRY_VERSION_MESSAGE;
}
/*
* (non-Javadoc)
*
* @see org.apache.geode.internal.cache.partitioned.PartitionMessage# operateOnPartitionedRegion
* (org.apache.geode.distributed.internal.DistributionManager,
* org.apache.geode.internal.cache.PartitionedRegion, long)
*/
@Override
protected boolean operateOnPartitionedRegion(DistributionManager dm, PartitionedRegion pr,
long startTime) throws CacheException, QueryException, DataLocationException,
InterruptedException, IOException {
// release not needed because disallowOffHeapValues called
final EntryEventImpl event =
EntryEventImpl.create(pr, getOperation(), getKey(), null, /* newValue */
null, /* callbackargs */
false /* originRemote - false to force distribution in buckets */,
getSender() /* eventSender */, false /* generateCallbacks */, false /* initializeId */);
event.disallowOffHeapValues();
Assert.assertTrue(eventId != null);
if (this.versionTag != null) {
event.setVersionTag(this.versionTag);
}
event.setEventId(eventId);
event.setPossibleDuplicate(this.posDup);
event.setInvokePRCallbacks(false);
event.setCausedByMessage(this);
boolean sendReply = true;
if (!notificationOnly) {
PartitionedRegionDataStore ds = pr.getDataStore();
Assert.assertTrue(ds != null,
"This process should have storage for an item in " + this.toString());
try {
Integer bucket = Integer.valueOf(PartitionedRegionHelper.getHashKey(event));
pr.getDataView().updateEntryVersion(event);
if (logger.isTraceEnabled(LogMarker.DM)) {
logger.debug("{}: updateEntryVersionLocally in bucket: {}, key: {}", getClass().getName(),
bucket, key);
}
} catch (EntryNotFoundException eee) {
// failed = true;
if (logger.isDebugEnabled()) {
logger.debug("{}: operateOnRegion caught EntryNotFoundException", getClass().getName());
}
sendReply(getSender(), getProcessorId(), dm, null /*
* No need to send exception back
*/, pr, startTime);
sendReply = false; // this prevents us from acknowledging later
} catch (PrimaryBucketException pbe) {
sendReply(getSender(), getProcessorId(), dm, new ReplyException(pbe), pr, startTime);
return false;
}
}
return sendReply;
}
private Operation getOperation() {
return this.op;
}
private Object getKey() {
return this.key;
}
@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
this.key = DataSerializer.readObject(in);
this.op = Operation.fromOrdinal(in.readByte());
this.eventId = (EventID) DataSerializer.readObject(in);
this.versionTag = DataSerializer.readObject(in);
}
@Override
public void toData(DataOutput out) throws IOException {
super.toData(out);
DataSerializer.writeObject(getKey(), out);
out.writeByte(this.op.ordinal);
DataSerializer.writeObject(this.eventId, out);
DataSerializer.writeObject(this.versionTag, out);
}
/**
* Assists the toString method in reporting the contents of this message
*
* @see PartitionMessage#toString()
*/
@Override
protected void appendFields(StringBuffer buff) {
super.appendFields(buff);
buff.append("; key=").append(getKey());
buff.append("; op=").append(this.op);
if (eventId != null) {
buff.append("; eventId=").append(eventId);
}
if (this.versionTag != null) {
buff.append("; version=").append(this.versionTag);
}
}
/**
* Response for PartitionMessage {@link PRUpdateEntryVersionMessage}.
*
*/
public static final class UpdateEntryVersionResponse extends PartitionResponse {
private volatile boolean versionUpdated;
private final Object key;
public UpdateEntryVersionResponse(InternalDistributedSystem dm,
InternalDistributedMember member, Object k) {
super(dm, member);
this.key = k;
}
public UpdateEntryVersionResponse(InternalDistributedSystem dm, Set recipients, Object k) {
super(dm, recipients, false);
this.key = k;
}
public void setResponse(ReplyMessage msg) {
this.versionUpdated = true;
}
/**
* @throws ForceReattemptException if the peer is no longer available
* @throws CacheException if the peer generates an error
*/
public void waitForResult() throws CacheException, ForceReattemptException {
try {
waitForCacheException();
} catch (ForceReattemptException e) {
e.checkKey(key);
throw e;
}
if (!this.versionUpdated) {
if (logger.isDebugEnabled()) {
logger.debug("UpdateEntryVersionResponse: Update entry version failed for key: {}", key);
}
}
}
}
public static UpdateEntryVersionResponse send(InternalDistributedMember recipient,
PartitionedRegion r, EntryEventImpl event) throws ForceReattemptException {
Set recipients = Collections.singleton(recipient);
UpdateEntryVersionResponse p =
new UpdateEntryVersionResponse(r.getSystem(), recipient, event.getKey());
PRUpdateEntryVersionMessage m =
new PRUpdateEntryVersionMessage(recipients, r.getPRId(), p, event);
Set failures = r.getDistributionManager().putOutgoing(m);
if (failures != null && failures.size() > 0) {
throw new ForceReattemptException(
LocalizedStrings.UpdateEntryVersionMessage_FAILED_SENDING_0.toLocalizedString(m));
}
return p;
}
}