com.gemstone.gemfire.internal.cache.VMThinDiskRegionEntryHeap Maven / Gradle / Ivy

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SnappyData store based off Pivotal GemFireXD
There is a newer version: 2.0-BETA
/*
 * 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.cache.lru.EnableLRU;
import com.gemstone.gemfire.internal.cache.persistence.DiskRecoveryStore;
import com.gemstone.gemfire.internal.concurrent.CustomEntryConcurrentHashMap.HashEntry;
@SuppressWarnings("serial")
public class VMThinDiskRegionEntryHeap extends VMThinDiskRegionEntry
{
  public VMThinDiskRegionEntryHeap (RegionEntryContext context, Object key,
    Object value
      ) {
    super(context,
          (value instanceof RecoveredEntry ? null : value)
        );
    initialize(context, value);
    this.key = key;
  }
  protected int hash;
  private HashEntry next;
  @SuppressWarnings("unused")
  private volatile long lastModified;
  private static final AtomicLongFieldUpdater lastModifiedUpdater
    = AtomicUpdaterFactory.newLongFieldUpdater(VMThinDiskRegionEntryHeap.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;
  }
  protected final void initialize(RegionEntryContext context, Object value) {
    diskInitialize(context, value);
  }
  @Override
  public final int updateAsyncEntrySize(EnableLRU capacityController) {
    throw new IllegalStateException("should never be called");
  }
  private void diskInitialize(RegionEntryContext context, Object value) {
    DiskRecoveryStore drs = (DiskRecoveryStore)context;
    DiskStoreImpl ds = drs.getDiskStore();
    long maxOplogSize = ds.getMaxOplogSize();
    this.id = DiskId.createDiskId(maxOplogSize, true , ds.needsLinkedList());
    Helper.initialize(this, drs, value);
  }
  protected DiskId id;
  public final DiskId getDiskId() {
    return this.id;
  }
  @Override
  public final void setDiskId(RegionEntry old) {
    this.id = ((AbstractDiskRegionEntry)old).getDiskId();
  }
  private Object key;
  @Override
  public final Object getRawKey() {
    return this.key;
  }
  @Override
  protected final void _setRawKey(Object key) {
    this.key = key;
  }
  private volatile Object value;
  @Override
  public final boolean isRemoved() {
    final Object o = this.value;
    return (o == Token.REMOVED_PHASE1) || (o == Token.REMOVED_PHASE2) || (o == Token.TOMBSTONE);
  }
  @Override
  public final boolean isDestroyedOrRemoved() {
    final Object o = this.value;
    return o == Token.DESTROYED || o == Token.REMOVED_PHASE1 || o == Token.REMOVED_PHASE2 || o == Token.TOMBSTONE;
  }
  @Override
  public final boolean isDestroyedOrRemovedButNotTombstone() {
    final Object o = this.value;
    return o == Token.DESTROYED || o == Token.REMOVED_PHASE1 || o == Token.REMOVED_PHASE2;
  }
  @Override
  protected final Object getValueField() {
    return this.value;
  }
  @Override
  protected final void setValueField(Object v) {
    this.value = v;
  }
  @Override
  public final Token getValueAsToken() {
    Object v = this.value;
    if (v == null) {
      return null;
    } else if (v instanceof Token) {
      return (Token)v;
    } else {
      return Token.NOT_A_TOKEN;
    }
  }
  @Override
  public final boolean isValueNull() {
    return this.value == null;
  }
  private static RegionEntryFactory factory = new RegionEntryFactory() {
    public final RegionEntry createEntry(RegionEntryContext context, Object key, Object value) {
      return new VMThinDiskRegionEntryHeap(context, key, value);
    }
    public final Class getEntryClass() {
      return VMThinDiskRegionEntryHeap.class;
    }
    public RegionEntryFactory makeVersioned() {
      return VMThinDiskRegionEntryHeap.getEntryFactory();
    }
    @Override
    public RegionEntryFactory makeOnHeap() {
      return this;
    }
  };
  public static RegionEntryFactory getEntryFactory() {
    return factory;
  }
}