/*
* 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;
// DO NOT modify this class. It was generated from LeafRegionEntry.cpp
import java.util.UUID;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicLongFieldUpdater;
import org.apache.geode.internal.InternalStatisticsDisabledException;
import org.apache.geode.internal.offheap.OffHeapRegionEntryHelper;
import org.apache.geode.internal.offheap.annotations.Released;
import org.apache.geode.internal.offheap.annotations.Retained;
import org.apache.geode.internal.offheap.annotations.Unretained;
import org.apache.geode.internal.util.concurrent.CustomEntryConcurrentHashMap.HashEntry;
// macros whose definition changes this class:
// disk: DISK
// lru: LRU
// stats: STATS
// versioned: VERSIONED
// offheap: OFFHEAP
// One of the following key macros must be defined:
// key object: KEY_OBJECT
// key int: KEY_INT
// key long: KEY_LONG
// key uuid: KEY_UUID
// key string1: KEY_STRING1
// key string2: KEY_STRING2
/**
* Do not modify this class. It was generated. Instead modify LeafRegionEntry.cpp and then run
* ./dev-tools/generateRegionEntryClasses.sh (it must be run from the top level directory).
*/
public class VMStatsRegionEntryOffHeapUUIDKey extends VMStatsRegionEntryOffHeap {
public VMStatsRegionEntryOffHeapUUIDKey(RegionEntryContext context, UUID key,
@Retained Object value) {
super(context, value);
// DO NOT modify this class. It was generated from LeafRegionEntry.cpp
this.keyMostSigBits = key.getMostSignificantBits();
this.keyLeastSigBits = key.getLeastSignificantBits();
}
// DO NOT modify this class. It was generated from LeafRegionEntry.cpp
// common code
protected int hash;
private HashEntry<Object, Object> next;
@SuppressWarnings("unused")
private volatile long lastModified;
private static final AtomicLongFieldUpdater<VMStatsRegionEntryOffHeapUUIDKey> lastModifiedUpdater =
AtomicLongFieldUpdater.newUpdater(VMStatsRegionEntryOffHeapUUIDKey.class, "lastModified");
/**
* All access done using ohAddrUpdater so it is used even though the compiler can not tell it is.
*/
@SuppressWarnings("unused")
@Retained
@Released
private volatile long ohAddress;
/**
* I needed to add this because I wanted clear to call setValue which normally can only be called
* while the re is synced. But if I sync in that code it causes a lock ordering deadlock with the
* disk regions because they also get a rw lock in clear. Some hardware platforms do not support
* CAS on a long. If gemfire is run on one of those the AtomicLongFieldUpdater does a sync on the
* re and we will once again be deadlocked. I don't know if we support any of the hardware
* platforms that do not have a 64bit CAS. If we do then we can expect deadlocks on disk regions.
*/
private final static AtomicLongFieldUpdater<VMStatsRegionEntryOffHeapUUIDKey> ohAddrUpdater =
AtomicLongFieldUpdater.newUpdater(VMStatsRegionEntryOffHeapUUIDKey.class, "ohAddress");
@Override
public Token getValueAsToken() {
return OffHeapRegionEntryHelper.getValueAsToken(this);
}
@Override
protected Object getValueField() {
return OffHeapRegionEntryHelper._getValue(this);
}
// DO NOT modify this class. It was generated from LeafRegionEntry.cpp
@Override
@Unretained
protected void setValueField(@Unretained Object v) {
OffHeapRegionEntryHelper.setValue(this, v);
}
@Override
@Retained
public Object _getValueRetain(RegionEntryContext context, boolean decompress) {
return OffHeapRegionEntryHelper._getValueRetain(this, decompress, context);
}
@Override
public long getAddress() {
return ohAddrUpdater.get(this);
}
@Override
public boolean setAddress(long expectedAddr, long newAddr) {
return ohAddrUpdater.compareAndSet(this, expectedAddr, newAddr);
}
@Override
@Released
public void release() {
OffHeapRegionEntryHelper.releaseEntry(this);
}
@Override
public void returnToPool() {
// Deadcoded for now; never was working
// if (this instanceof VMThinRegionEntryLongKey) {
// factory.returnToPool((VMThinRegionEntryLongKey)this);
// }
}
protected long getlastModifiedField() {
return lastModifiedUpdater.get(this);
}
protected boolean compareAndSetLastModifiedField(long expectedValue, long newValue) {
return lastModifiedUpdater.compareAndSet(this, expectedValue, newValue);
}
/**
* @see HashEntry#getEntryHash()
*/
public final int getEntryHash() {
return this.hash;
}
protected void setEntryHash(int v) {
this.hash = v;
}
/**
* @see HashEntry#getNextEntry()
*/
public final HashEntry<Object, Object> getNextEntry() {
return this.next;
}
/**
* @see HashEntry#setNextEntry
*/
public final void setNextEntry(final HashEntry<Object, Object> n) {
this.next = n;
}
// DO NOT modify this class. It was generated from LeafRegionEntry.cpp
// stats code
@Override
public final void updateStatsForGet(boolean hit, long time) {
setLastAccessed(time);
if (hit) {
incrementHitCount();
} else {
incrementMissCount();
}
}
@Override
protected final void setLastModifiedAndAccessedTimes(long lastModified, long lastAccessed) {
_setLastModified(lastModified);
if (!DISABLE_ACCESS_TIME_UPDATE_ON_PUT) {
setLastAccessed(lastAccessed);
}
}
private volatile long lastAccessed;
private volatile int hitCount;
private volatile int missCount;
private static final AtomicIntegerFieldUpdater<VMStatsRegionEntryOffHeapUUIDKey> hitCountUpdater =
AtomicIntegerFieldUpdater.newUpdater(VMStatsRegionEntryOffHeapUUIDKey.class, "hitCount");
private static final AtomicIntegerFieldUpdater<VMStatsRegionEntryOffHeapUUIDKey> missCountUpdater =
AtomicIntegerFieldUpdater.newUpdater(VMStatsRegionEntryOffHeapUUIDKey.class, "missCount");
@Override
public final long getLastAccessed() throws InternalStatisticsDisabledException {
return this.lastAccessed;
}
private void setLastAccessed(long lastAccessed) {
this.lastAccessed = lastAccessed;
}
@Override
public final long getHitCount() throws InternalStatisticsDisabledException {
return this.hitCount & 0xFFFFFFFFL;
}
@Override
public final long getMissCount() throws InternalStatisticsDisabledException {
return this.missCount & 0xFFFFFFFFL;
}
private void incrementHitCount() {
hitCountUpdater.incrementAndGet(this);
}
private void incrementMissCount() {
missCountUpdater.incrementAndGet(this);
}
@Override
public final void resetCounts() throws InternalStatisticsDisabledException {
hitCountUpdater.set(this, 0);
missCountUpdater.set(this, 0);
}
// DO NOT modify this class. It was generated from LeafRegionEntry.cpp
@Override
public final void txDidDestroy(long currTime) {
setLastModified(currTime);
setLastAccessed(currTime);
this.hitCount = 0;
this.missCount = 0;
}
@Override
public boolean hasStats() {
return true;
}
// DO NOT modify this class. It was generated from LeafRegionEntry.cpp
// key code
private final long keyMostSigBits;
private final long keyLeastSigBits;
@Override
public final Object getKey() {
return new UUID(this.keyMostSigBits, this.keyLeastSigBits);
}
@Override
public boolean isKeyEqual(Object k) {
if (k instanceof UUID) {
UUID uuid = (UUID) k;
return uuid.getLeastSignificantBits() == this.keyLeastSigBits
&& uuid.getMostSignificantBits() == this.keyMostSigBits;
}
return false;
}
// DO NOT modify this class. It was generated from LeafRegionEntry.cpp
}