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SnappyData store based off Pivotal GemFireXD
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/*
* 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 java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import com.gemstone.gemfire.CancelCriterion;
import com.gemstone.gemfire.InternalGemFireError;
import com.gemstone.gemfire.cache.CacheWriterException;
import com.gemstone.gemfire.cache.DataPolicy;
import com.gemstone.gemfire.cache.DiskAccessException;
import com.gemstone.gemfire.cache.EntryEvent;
import com.gemstone.gemfire.cache.EntryNotFoundException;
import com.gemstone.gemfire.cache.TimeoutException;
import com.gemstone.gemfire.distributed.internal.DM;
import com.gemstone.gemfire.internal.ByteArrayDataInput;
import com.gemstone.gemfire.internal.InternalStatisticsDisabledException;
import com.gemstone.gemfire.internal.cache.DistributedRegion.DiskPosition;
import com.gemstone.gemfire.internal.cache.InitialImageOperation.Entry;
import com.gemstone.gemfire.internal.cache.locks.LockMode;
import com.gemstone.gemfire.internal.cache.locks.LockingPolicy;
import com.gemstone.gemfire.internal.cache.lru.EnableLRU;
import com.gemstone.gemfire.internal.cache.persistence.DiskExceptionHandler;
import com.gemstone.gemfire.internal.cache.persistence.DiskRecoveryStore;
import com.gemstone.gemfire.internal.cache.persistence.DiskRegionView;
import com.gemstone.gemfire.internal.cache.versions.VersionSource;
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.shared.Version;
/**
* A disk region that is created when doing offline validation.
* @since prPersistSprint3
*/
public class ValidatingDiskRegion extends DiskRegion implements DiskRecoveryStore {
protected ValidatingDiskRegion(DiskStoreImpl ds,
DiskRegionView drv) {
super(ds, drv.getName(), drv.isBucket(), true, false, true,
new DiskRegionStats(ds.getCache().getDistributedSystem(), drv.getName()),
new DummyCancelCriterion(),
new DummyDiskExceptionHandler(),
null, drv.getFlags(), drv.getUUID(),
drv.getPartitionName(), drv.getStartingBucketId(),
drv.getCompressorClassName(), drv.getEnableOffHeapMemory());
setConfig(drv.getLruAlgorithm(), drv.getLruAction(), drv.getLruLimit(),
drv.getConcurrencyLevel(), drv.getInitialCapacity(),
drv.getLoadFactor(), drv.getStatisticsEnabled(),
drv.isBucket(), drv.getFlags(), drv.getUUID(),
drv.getPartitionName(), drv.getStartingBucketId(),
drv.getCompressorClassName(), drv.getEnableOffHeapMemory());
}
static ValidatingDiskRegion create(DiskStoreImpl dsi, DiskRegionView drv) {
assert dsi != null;
ValidatingDiskRegion result = new ValidatingDiskRegion(dsi, drv);
result.register();
GemFireCacheImpl.StaticSystemCallbacks sysCb =
GemFireCacheImpl.FactoryStatics.systemCallbacks;
if (sysCb != null) {
sysCb.initializeForOffline();
}
return result;
}
private final ConcurrentMap map = new ConcurrentHashMap();
///////////// DiskRecoveryStore methods ////////////////
public DiskRegionView getDiskRegionView() {
return this;
}
public DiskEntry getDiskEntry(Object key) {
return this.map.get(key);
}
public DiskEntry initializeRecoveredEntry(Object key, DiskEntry.RecoveredEntry re) {
ValidatingDiskEntry de = new ValidatingDiskEntry(key, re);
if (this.map.putIfAbsent(key, de) != null) {
throw new InternalGemFireError(LocalizedStrings.LocalRegion_ENTRY_ALREADY_EXISTED_0.toLocalizedString(key));
}
return de;
}
public DiskEntry updateRecoveredEntry(Object key, RegionEntry entry, DiskEntry.RecoveredEntry re) {
ValidatingDiskEntry de = new ValidatingDiskEntry(key, re);
this.map.put(key, de);
return de;
}
public void destroyRecoveredEntry(Object key) {
this.map.remove(key);
}
public void foreachRegionEntry(LocalRegion.RegionEntryCallback callback) {
throw new IllegalStateException("foreachRegionEntry should not be called when validating disk store");
}
public boolean lruLimitExceeded() {
return false;
}
public void copyRecoveredEntries(RegionMap rm, boolean entriesIncompatible) {
throw new IllegalStateException("copyRecoveredEntries should not be called on ValidatingDiskRegion");
}
public void updateSizeOnFaultIn(Object key, int newSize, int bytesOnDisk) {
throw new IllegalStateException("updateSizeOnFaultIn should not be called on ValidatingDiskRegion");
}
@Override
public int calculateValueSize(Object val) {
return 0;
}
@Override
public int calculateRegionEntryValueSize(RegionEntry re) {
return 0;
}
public RegionMap getRegionMap() {
throw new IllegalStateException("getRegionMap should not be called on ValidatingDiskRegion");
}
public void handleDiskAccessException(DiskAccessException dae, boolean b) {
throw new IllegalStateException("handleDiskAccessException should not be called on ValidatingDiskRegion");
}
public void initializeStats(long numEntriesInVM, long numOverflowOnDisk,
long numOverflowBytesOnDisk) {
throw new IllegalStateException("initializeStats should not be called on ValidatingDiskRegion");
}
public int size() {
return this.map.size();
}
static class ValidatingDiskEntry implements DiskEntry, RegionEntry {
private final Object key;
private final DiskId diskId;
public ValidatingDiskEntry(Object key, DiskEntry.RecoveredEntry re) {
this.key = key;
this.diskId = DiskId.createDiskId(1, true, false);
this.diskId.setKeyId(re.getRecoveredKeyId());
this.diskId.setOffsetInOplog(re.getOffsetInOplog());
this.diskId.setOplogId(re.getOplogId());
this.diskId.setUserBits(re.getUserBits());
this.diskId.setValueLength(re.getValueLength());
}
public Object getKey() {
return this.key;
}
public Object getKeyCopy() {
return this.key;
}
public Object getRawKey() {
return this.key;
}
public Object _getValue() {
return null;
}
@Override
public Token getValueAsToken() {
return null;
}
public Object _getValueRetain(RegionEntryContext context, boolean decompress) {
return null;
}
public boolean isValueNull() {
throw new IllegalStateException("should never be called");
}
public void _setValue(RegionEntryContext context, Object value) {
throw new IllegalStateException("should never be called");
}
@Override
public void setValueWithContext(RegionEntryContext context,Object value) {
throw new IllegalStateException("should never be called");
}
@Override
public void handleValueOverflow(RegionEntryContext context) {throw new IllegalStateException("should never be called");}
@Override
public void afterValueOverflow(RegionEntryContext context) {throw new IllegalStateException();}
@Override
public Object prepareValueForCache(RegionEntryContext r, Object val, boolean isEntryUpdate,
boolean valHasMetadataForGfxdOffHeapUpdate) {
throw new IllegalStateException("Should never be called");
}
public void _removePhase1() {
throw new IllegalStateException("should never be called");
}
public DiskId getDiskId() {
return this.diskId;
}
public long getLastModified() {
throw new IllegalStateException("should never be called");
}
public void _setLastModified(long lastModifiedTime) {
throw new IllegalStateException("should never be called");
}
public void setLastModified(long lastModifiedTime) {
throw new IllegalStateException("should never be called");
}
public boolean isLockedForCreate() {
return false;
}
public int updateAsyncEntrySize(EnableLRU capacityController) {
throw new IllegalStateException("should never be called");
}
public DiskEntry getPrev() {
throw new IllegalStateException("should never be called");
}
public DiskEntry getNext() {
throw new IllegalStateException("should never be called");
}
public void setPrev(DiskEntry v) {
throw new IllegalStateException("should never be called");
}
public void setNext(DiskEntry v) {
throw new IllegalStateException("should never be called");
}
/* (non-Javadoc)
* @see com.gemstone.gemfire.internal.cache.DiskEntry#getVersionStamp()
*/
@Override
public VersionStamp getVersionStamp() {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean isRemovedFromDisk() {
throw new IllegalStateException("should never be called");
}
@Override
public boolean hasStats() {
// TODO Auto-generated method stub
return false;
}
@Override
public long getLastAccessed() throws InternalStatisticsDisabledException {
// TODO Auto-generated method stub
return 0;
}
@Override
public long getHitCount() throws InternalStatisticsDisabledException {
// TODO Auto-generated method stub
return 0;
}
@Override
public long getMissCount() throws InternalStatisticsDisabledException {
// TODO Auto-generated method stub
return 0;
}
@Override
public void updateStatsForPut(long lastModifiedTime) {
// TODO Auto-generated method stub
}
@Override
public VersionTag generateVersionTag(VersionSource member,
boolean isRemoteVersionSource, boolean withDelta, LocalRegion region,
EntryEventImpl event) {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean dispatchListenerEvents(EntryEventImpl event)
throws InterruptedException {
// TODO Auto-generated method stub
return false;
}
@Override
public void setRecentlyUsed() {
// TODO Auto-generated method stub
}
@Override
public void updateStatsForGet(boolean hit, long time) {
// TODO Auto-generated method stub
}
@Override
public void txDidDestroy(long currTime) {
// TODO Auto-generated method stub
}
@Override
public void resetCounts() throws InternalStatisticsDisabledException {
// TODO Auto-generated method stub
}
@Override
public void makeTombstone(LocalRegion r, VersionTag version)
throws RegionClearedException {
// TODO Auto-generated method stub
}
@Override
public void removePhase1(LocalRegion r, boolean clear)
throws RegionClearedException {
// TODO Auto-generated method stub
}
@Override
public void removePhase2() {
// TODO Auto-generated method stub
}
@Override
public boolean isRemoved() {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean isRemovedPhase2() {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean isTombstone() {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean fillInValue(LocalRegion r, Entry entry,
ByteArrayDataInput in, DM mgr, Version targetVersion) {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean isOverflowedToDisk(LocalRegion r, DiskPosition dp) {
// TODO Auto-generated method stub
return false;
}
@Override
public Object getValue(RegionEntryContext context) {
// TODO Auto-generated method stub
return null;
}
@Override
public void setValue(RegionEntryContext context, Object value)
throws RegionClearedException {
// TODO Auto-generated method stub
}
@Override
public void setValueWithTombstoneCheck(Object value, EntryEvent event)
throws RegionClearedException {
// TODO Auto-generated method stub
}
@Override
public Object getTransformedValue() {
// TODO Auto-generated method stub
return null;
}
@Override
public Object getValueInVM(RegionEntryContext context) {
// TODO Auto-generated method stub
return null;
}
@Override
public Object getValueOnDisk(LocalRegion r) throws EntryNotFoundException {
// TODO Auto-generated method stub
return null;
}
@Override
public Object getValueOnDiskOrBuffer(LocalRegion r)
throws EntryNotFoundException {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean initialImagePut(LocalRegion region, long lastModified,
Object newValue, boolean wasRecovered, boolean acceptedVersionTag)
throws RegionClearedException {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean initialImageInit(LocalRegion region, long lastModified,
Object newValue, boolean create, boolean wasRecovered,
boolean acceptedVersionTag) throws RegionClearedException {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean destroy(LocalRegion region, EntryEventImpl event,
boolean inTokenMode, boolean cacheWrite, Object expectedOldValue,
boolean forceDestroy, boolean removeRecoveredEntry)
throws CacheWriterException, EntryNotFoundException, TimeoutException,
RegionClearedException {
// TODO Auto-generated method stub
return false;
}
@Override
public Object getSerializedValueOnDisk(LocalRegion localRegion) {
// TODO Auto-generated method stub
return null;
}
@Override
public Object getValueInVMOrDiskWithoutFaultIn(LocalRegion owner) {
// TODO Auto-generated method stub
return null;
}
@Override
public Object getValueOffHeapOrDiskWithoutFaultIn(LocalRegion owner) {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean isUpdateInProgress() {
// TODO Auto-generated method stub
return false;
}
@Override
public void setUpdateInProgress(boolean underUpdate) {
// TODO Auto-generated method stub
}
@Override
public boolean isMarkedForEviction() {
// TODO Auto-generated method stub
return false;
}
@Override
public void setMarkedForEviction() {
// TODO Auto-generated method stub
}
@Override
public void clearMarkedForEviction() {
// TODO Auto-generated method stub
}
@Override
public boolean isInvalid() {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean isDestroyed() {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean isDestroyedOrRemoved() {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean isDestroyedOrRemovedButNotTombstone() {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean isInvalidOrRemoved() {
// TODO Auto-generated method stub
return false;
}
@Override
public void setValueToNull() {
// TODO Auto-generated method stub
}
@Override
public void returnToPool() {
// TODO Auto-generated method stub
}
/**
* {@inheritDoc}
*/
@Override
public Object getOwnerId(Object context) {
// TODO Auto-generated method stub
return null;
}
/**
* {@inheritDoc}
*/
@Override
public boolean attemptLock(LockMode mode, int flags,
LockingPolicy lockPolicy, long msecs, Object owner, Object context) {
// TODO Auto-generated method stub
return false;
}
/**
* {@inheritDoc}
*/
@Override
public void releaseLock(LockMode mode, boolean releaseAll, Object owner,
Object context) {
// TODO Auto-generated method stub
}
/**
* {@inheritDoc}
*/
@Override
public int numSharedLocks() {
// TODO Auto-generated method stub
return 0;
}
/**
* {@inheritDoc}
*/
@Override
public int numReadOnlyLocks() {
// TODO Auto-generated method stub
return 0;
}
/**
* {@inheritDoc}
*/
@Override
public boolean hasExclusiveLock(Object owner, Object context) {
// TODO Auto-generated method stub
return false;
}
/**
* {@inheritDoc}
*/
@Override
public boolean hasExclusiveSharedLock(Object ownerId, Object context) {
// TODO Auto-generated method stub
return false;
}
/**
* {@inheritDoc}
*/
@Override
public int getState() {
// TODO Auto-generated method stub
return 0;
}
/**
* {@inheritDoc}
*/
@Override
public boolean hasAnyLock() {
// TODO Auto-generated method stub
return false;
}
/**
* {@inheritDoc}
*/
@Override
public void setOwner(LocalRegion owner) {
// TODO Auto-generated method stub
}
/**
* {@inheritDoc}
*/
@Override
public Object getContainerInfo() {
// TODO Auto-generated method stub
return null;
}
/**
* {@inheritDoc}
*/
@Override
public Object setContainerInfo(LocalRegion owner, Object val) {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean isCacheListenerInvocationInProgress() {
// TODO Auto-generated method stub
return false;
}
@Override
public void setCacheListenerInvocationInProgress(boolean isListenerInvoked) {
// TODO Auto-generated method stub
}
}
//////////////// DiskExceptionHandler methods ////////////////////
public static class DummyDiskExceptionHandler implements DiskExceptionHandler {
public void handleDiskAccessException(DiskAccessException dae, boolean stopBridgeServers) {
// nothing needed
}
public boolean shouldStopServer() {
return false;
}
}
private static class DummyCancelCriterion extends CancelCriterion {
@Override
public String cancelInProgress() {
return null;
}
@Override
public RuntimeException generateCancelledException(Throwable e) {
return new RuntimeException(e);
}
}
}