| |
| |
| /* |
| * 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.entries; |
| |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| import java.util.concurrent.atomic.AtomicIntegerFieldUpdater; |
| import java.util.concurrent.atomic.AtomicLongFieldUpdater; |
| |
| import org.apache.geode.internal.InternalStatisticsDisabledException; |
| import org.apache.geode.internal.cache.RegionEntryContext; |
| import org.apache.geode.internal.cache.Token; |
| import org.apache.geode.internal.cache.eviction.EvictionController; |
| import org.apache.geode.internal.cache.eviction.EvictionNode; |
| import org.apache.geode.internal.cache.persistence.DiskRecoveryStore; |
| 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 VMStatsLRURegionEntryOffHeapObjectKey extends VMStatsLRURegionEntryOffHeap { |
| // --------------------------------------- common fields ---------------------------------------- |
| private static final AtomicLongFieldUpdater<VMStatsLRURegionEntryOffHeapObjectKey> LAST_MODIFIED_UPDATER = |
| AtomicLongFieldUpdater.newUpdater(VMStatsLRURegionEntryOffHeapObjectKey.class, |
| "lastModified"); |
| protected int hash; |
| private HashEntry<Object, Object> nextEntry; |
| @SuppressWarnings("unused") |
| private volatile long lastModified; |
| // --------------------------------------- offheap fields --------------------------------------- |
| /** |
| * All access done using OFF_HEAP_ADDRESS_UPDATER so it is used even though the compiler can not |
| * tell it is. |
| */ |
| @SuppressWarnings("unused") |
| @Retained |
| @Released |
| private volatile long offHeapAddress; |
| /** |
| * 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 |
| * RegionEntry 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 static final AtomicLongFieldUpdater<VMStatsLRURegionEntryOffHeapObjectKey> OFF_HEAP_ADDRESS_UPDATER = |
| AtomicLongFieldUpdater.newUpdater(VMStatsLRURegionEntryOffHeapObjectKey.class, |
| "offHeapAddress"); |
| // --------------------------------------- stats fields ----------------------------------------- |
| private volatile long lastAccessed; |
| private volatile int hitCount; |
| private volatile int missCount; |
| private static final AtomicIntegerFieldUpdater<VMStatsLRURegionEntryOffHeapObjectKey> HIT_COUNT_UPDATER = |
| AtomicIntegerFieldUpdater.newUpdater(VMStatsLRURegionEntryOffHeapObjectKey.class, "hitCount"); |
| private static final AtomicIntegerFieldUpdater<VMStatsLRURegionEntryOffHeapObjectKey> MISS_COUNT_UPDATER = |
| AtomicIntegerFieldUpdater.newUpdater(VMStatsLRURegionEntryOffHeapObjectKey.class, |
| "missCount"); |
| // --------------------------------------- key fields ------------------------------------------- |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| private final Object key; |
| |
| public VMStatsLRURegionEntryOffHeapObjectKey(final RegionEntryContext context, final Object key, |
| @Retained final Object value) { |
| super(context, value); |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| this.key = key; |
| } |
| |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| @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 final Object value) { |
| OffHeapRegionEntryHelper.setValue(this, value); |
| } |
| |
| @Override |
| @Retained |
| public Object getValueRetain(final RegionEntryContext context, final boolean decompress) { |
| return OffHeapRegionEntryHelper._getValueRetain(this, decompress, context); |
| } |
| |
| @Override |
| public long getAddress() { |
| return OFF_HEAP_ADDRESS_UPDATER.get(this); |
| } |
| |
| @Override |
| public boolean setAddress(final long expectedAddress, long newAddress) { |
| return OFF_HEAP_ADDRESS_UPDATER.compareAndSet(this, expectedAddress, newAddress); |
| } |
| |
| @Override |
| @Released |
| public void release() { |
| OffHeapRegionEntryHelper.releaseEntry(this); |
| } |
| |
| @Override |
| public void returnToPool() { |
| // never implemented |
| } |
| |
| @Override |
| protected long getLastModifiedField() { |
| return LAST_MODIFIED_UPDATER.get(this); |
| } |
| |
| @Override |
| protected boolean compareAndSetLastModifiedField(final long expectedValue, final long newValue) { |
| return LAST_MODIFIED_UPDATER.compareAndSet(this, expectedValue, newValue); |
| } |
| |
| @Override |
| public int getEntryHash() { |
| return this.hash; |
| } |
| |
| @Override |
| protected void setEntryHash(final int hash) { |
| this.hash = hash; |
| } |
| |
| @Override |
| public HashEntry<Object, Object> getNextEntry() { |
| return this.nextEntry; |
| } |
| |
| @Override |
| public void setNextEntry(final HashEntry<Object, Object> nextEntry) { |
| this.nextEntry = nextEntry; |
| } |
| |
| // --------------------------------------- eviction code ---------------------------------------- |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| @Override |
| public void setDelayedDiskId(final DiskRecoveryStore diskRecoveryStore) { |
| // nothing needed for LRUs with no disk |
| } |
| |
| @Override |
| public synchronized int updateEntrySize(final EvictionController evictionController) { |
| // OFFHEAP: getValue ok w/o incing refcount because we are synced and only getting the size |
| return updateEntrySize(evictionController, getValue()); |
| } |
| |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| @Override |
| public synchronized int updateEntrySize(final EvictionController evictionController, |
| final Object value) { |
| int oldSize = getEntrySize(); |
| int newSize = evictionController.entrySize(getKeyForSizing(), value); |
| setEntrySize(newSize); |
| int delta = newSize - oldSize; |
| return delta; |
| } |
| |
| @Override |
| public boolean isRecentlyUsed() { |
| return areAnyBitsSet(RECENTLY_USED); |
| } |
| |
| @Override |
| public void setRecentlyUsed(RegionEntryContext context) { |
| if (!isRecentlyUsed()) { |
| setBits(RECENTLY_USED); |
| context.incRecentlyUsed(); |
| } |
| } |
| |
| @Override |
| public void unsetRecentlyUsed() { |
| clearBits(~RECENTLY_USED); |
| } |
| |
| @Override |
| public boolean isEvicted() { |
| return areAnyBitsSet(EVICTED); |
| } |
| |
| @Override |
| public void setEvicted() { |
| setBits(EVICTED); |
| } |
| |
| @Override |
| public void unsetEvicted() { |
| clearBits(~EVICTED); |
| } |
| |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| private EvictionNode nextEvictionNode; |
| private EvictionNode previousEvictionNode; |
| private int size; |
| |
| @Override |
| public void setNext(final EvictionNode nextEvictionNode) { |
| this.nextEvictionNode = nextEvictionNode; |
| } |
| |
| @Override |
| public EvictionNode next() { |
| return this.nextEvictionNode; |
| } |
| |
| @Override |
| public void setPrevious(final EvictionNode previousEvictionNode) { |
| this.previousEvictionNode = previousEvictionNode; |
| } |
| |
| @Override |
| public EvictionNode previous() { |
| return this.previousEvictionNode; |
| } |
| |
| @Override |
| public int getEntrySize() { |
| return this.size; |
| } |
| |
| protected void setEntrySize(final int size) { |
| this.size = size; |
| } |
| |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| @Override |
| public Object getKeyForSizing() { |
| // default implementation. |
| return getKey(); |
| } |
| |
| // ---------------------------------------- stats code ------------------------------------------ |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| @Override |
| public void updateStatsForGet(final boolean isHit, final long time) { |
| setLastAccessed(time); |
| if (isHit) { |
| incrementHitCount(); |
| } else { |
| incrementMissCount(); |
| } |
| } |
| |
| @Override |
| protected void setLastModifiedAndAccessedTimes(final long lastModified, final long lastAccessed) { |
| _setLastModified(lastModified); |
| if (!DISABLE_ACCESS_TIME_UPDATE_ON_PUT) { |
| setLastAccessed(lastAccessed); |
| } |
| } |
| |
| @Override |
| public long getLastAccessed() throws InternalStatisticsDisabledException { |
| return this.lastAccessed; |
| } |
| |
| @Override |
| public void setLastAccessed(final long lastAccessed) { |
| this.lastAccessed = lastAccessed; |
| } |
| |
| @Override |
| public long getHitCount() throws InternalStatisticsDisabledException { |
| return this.hitCount & 0xFFFFFFFFL; |
| } |
| |
| @Override |
| public long getMissCount() throws InternalStatisticsDisabledException { |
| return this.missCount & 0xFFFFFFFFL; |
| } |
| |
| private void incrementHitCount() { |
| HIT_COUNT_UPDATER.incrementAndGet(this); |
| } |
| |
| private void incrementMissCount() { |
| MISS_COUNT_UPDATER.incrementAndGet(this); |
| } |
| |
| @Override |
| public void resetCounts() throws InternalStatisticsDisabledException { |
| HIT_COUNT_UPDATER.set(this, 0); |
| MISS_COUNT_UPDATER.set(this, 0); |
| } |
| |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| @Override |
| public void txDidDestroy(long timeStamp) { |
| setLastModified(timeStamp); |
| setLastAccessed(timeStamp); |
| this.hitCount = 0; |
| this.missCount = 0; |
| } |
| |
| @Override |
| public boolean hasStats() { |
| return true; |
| } |
| |
| // ----------------------------------------- key code ------------------------------------------- |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| @Override |
| public Object getKey() { |
| return this.key; |
| } |
| // DO NOT modify this class. It was generated from LeafRegionEntry.cpp |
| } |