com.gemstone.gemfire.internal.cache.VersionedThinLRURegionEntryOffHeap Maven / Gradle / Ivy
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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.
*/
/**
* Do not modify this class. It was generated.
* Instead modify LeafRegionEntry.cpp and then run
* bin/generateRegionEntryClasses.sh from the directory
* that contains your build.xml.
*/
package com.gemstone.gemfire.internal.cache;
import java.util.concurrent.atomic.AtomicLongFieldUpdater;
import com.gemstone.gemfire.internal.cache.Token;
import com.gemstone.gemfire.internal.concurrent.AtomicUpdaterFactory;
import com.gemstone.gemfire.internal.offheap.OffHeapRegionEntryHelper;
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 com.gemstone.gemfire.cache.EntryEvent;
import com.gemstone.gemfire.internal.cache.lru.EnableLRU;
import com.gemstone.gemfire.internal.cache.lru.LRUClockNode;
import com.gemstone.gemfire.distributed.internal.membership.InternalDistributedMember;
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.concurrent.CustomEntryConcurrentHashMap.HashEntry;
@SuppressWarnings("serial")
public class VersionedThinLRURegionEntryOffHeap extends VMThinLRURegionEntry
implements OffHeapRegionEntry, VersionStamp
{
public VersionedThinLRURegionEntryOffHeap (RegionEntryContext context, Object key,
@Retained
Object value
) {
super(context,
value
);
this.key = key;
}
protected int hash;
private HashEntry next;
@SuppressWarnings("unused")
private volatile long lastModified;
private static final AtomicLongFieldUpdater lastModifiedUpdater
= AtomicUpdaterFactory.newLongFieldUpdater(VersionedThinLRURegionEntryOffHeap.class, "lastModified");
protected long getlastModifiedField() {
return lastModifiedUpdater.get(this);
}
protected final boolean compareAndSetLastModifiedField(long expectedValue,
long newValue) {
return lastModifiedUpdater.compareAndSet(this, expectedValue, newValue);
}
@Override
public final int getEntryHash() {
return this.hash;
}
@Override
protected final void setEntryHash(int v) {
this.hash = v;
}
@Override
public final HashEntry getNextEntry() {
return this.next;
}
@Override
public final void setNextEntry(final HashEntry n) {
this.next = n;
}
@Override
public final void setDelayedDiskId(LocalRegion r) {
}
public final synchronized int updateEntrySize(EnableLRU capacityController) {
return updateEntrySize(capacityController, _getValue());
}
public final synchronized int updateEntrySize(EnableLRU capacityController,
Object value) {
int oldSize = getEntrySize();
int newSize = capacityController.entrySize(getRawKey(), value);
setEntrySize(newSize);
int delta = newSize - oldSize;
return delta;
}
private LRUClockNode nextLRU;
private LRUClockNode prevLRU;
private int size;
public final void setNextLRUNode( LRUClockNode next ) {
this.nextLRU = next;
}
public final LRUClockNode nextLRUNode() {
return this.nextLRU;
}
public final void setPrevLRUNode( LRUClockNode prev ) {
this.prevLRU = prev;
}
public final LRUClockNode prevLRUNode() {
return this.prevLRU;
}
public final int getEntrySize() {
return this.size;
}
protected final void setEntrySize(int size) {
this.size = size;
}
private VersionSource memberID;
private short entryVersionLowBytes;
private short regionVersionHighBytes;
private int regionVersionLowBytes;
private byte entryVersionHighByte;
private byte distributedSystemId;
public final int getEntryVersion() {
return ((entryVersionHighByte << 16) & 0xFF0000) | (entryVersionLowBytes & 0xFFFF);
}
public final long getRegionVersion() {
return (((long)regionVersionHighBytes) << 32) | (regionVersionLowBytes & 0x00000000FFFFFFFFL);
}
public final long getVersionTimeStamp() {
return getLastModified();
}
public final void setVersionTimeStamp(long time) {
setLastModified(time);
}
public final VersionSource getMemberID() {
return this.memberID;
}
public final int getDistributedSystemId() {
return this.distributedSystemId;
}
public final void setVersions(VersionTag tag) {
this.memberID = tag.getMemberID();
int eVersion = tag.getEntryVersion();
this.entryVersionLowBytes = (short)(eVersion & 0xffff);
this.entryVersionHighByte = (byte)((eVersion & 0xff0000) >> 16);
this.regionVersionHighBytes = tag.getRegionVersionHighBytes();
this.regionVersionLowBytes = tag.getRegionVersionLowBytes();
if (!(tag.isGatewayTag()) && this.distributedSystemId == tag.getDistributedSystemId()) {
if (getVersionTimeStamp() <= tag.getVersionTimeStamp()) {
setVersionTimeStamp(tag.getVersionTimeStamp());
} else {
tag.setVersionTimeStamp(getVersionTimeStamp());
}
} else {
setVersionTimeStamp(tag.getVersionTimeStamp());
}
this.distributedSystemId = (byte)(tag.getDistributedSystemId() & 0xff);
}
public final void setMemberID(VersionSource memberID) {
this.memberID = memberID;
}
@Override
public final VersionStamp getVersionStamp() {
return this;
}
public final VersionTag asVersionTag() {
VersionTag tag = VersionTag.create(memberID);
tag.setEntryVersion(getEntryVersion());
tag.setRegionVersion(this.regionVersionHighBytes, this.regionVersionLowBytes);
tag.setVersionTimeStamp(getVersionTimeStamp());
tag.setDistributedSystemId(this.distributedSystemId);
return tag;
}
public final void processVersionTag(LocalRegion r, VersionTag tag,
boolean isTombstoneFromGII, boolean hasDelta,
VersionSource thisVM, InternalDistributedMember sender, boolean checkForConflicts) {
basicProcessVersionTag(r, tag, isTombstoneFromGII, hasDelta, thisVM, sender, checkForConflicts);
}
@Override
public final void processVersionTag(EntryEvent cacheEvent) {
super.processVersionTag(cacheEvent);
}
public final short getRegionVersionHighBytes() {
return this.regionVersionHighBytes;
}
public final int getRegionVersionLowBytes() {
return this.regionVersionLowBytes;
}
private Object key;
@Override
public final Object getRawKey() {
return this.key;
}
@Override
protected final void _setRawKey(Object key) {
this.key = key;
}
@Retained @Released private volatile long ohAddress;
private final static AtomicLongFieldUpdater ohAddrUpdater =
AtomicUpdaterFactory.newLongFieldUpdater(VersionedThinLRURegionEntryOffHeap.class, "ohAddress");
@Override
public final boolean isOffHeap() {
return true;
}
@Override
public final Token getValueAsToken() {
return OffHeapRegionEntryHelper.getValueAsToken(this);
}
@Override
@Unretained
protected final Object getValueField() {
return OffHeapRegionEntryHelper._getValue(this);
}
@Override
protected final void setValueField(@Unretained Object v) {
OffHeapRegionEntryHelper.setValue(this, v);
}
@Override
@Retained
public final Object _getValueRetain(RegionEntryContext context,
boolean decompress) {
return OffHeapRegionEntryHelper._getValueRetain(this, decompress);
}
@Override
public final long getAddress() {
return ohAddrUpdater.get(this);
}
@Override
public final boolean setAddress(long expectedAddr, long newAddr) {
return ohAddrUpdater.compareAndSet(this, expectedAddr, newAddr);
}
@Override
@Released
public final void release() {
OffHeapRegionEntryHelper.releaseEntry(this);
}
private static RegionEntryFactory factory = new RegionEntryFactory() {
public final RegionEntry createEntry(RegionEntryContext context, Object key, Object value) {
return new VersionedThinLRURegionEntryOffHeap(context, key, value);
}
public final Class getEntryClass() {
return VersionedThinLRURegionEntryOffHeap.class;
}
public RegionEntryFactory makeVersioned() {
return this;
}
@Override
public RegionEntryFactory makeOnHeap() {
return VersionedThinLRURegionEntryHeap.getEntryFactory();
}
};
public static RegionEntryFactory getEntryFactory() {
return factory;
}
}