com.gemstone.gemfire.internal.cache.CacheObserverAdapter 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.
 */
package com.gemstone.gemfire.internal.cache;

import java.nio.ByteBuffer;

import com.gemstone.gemfire.cache.RegionEvent;

/**
 * This class provides 'do-nothing' implementations of all of the methods of
 * interface CacheObserver. See the documentation for class CacheObserverHolder
 * for details. Also the callback is issed only if the boolean
 * ISSUE_CALLBACKS_TO_CACHE_OBSERVER present in
 * com.gemstone.gemfire.internal.cache.LocalRegion is made true
 * 
 * @author ashahid
 */
public class CacheObserverAdapter implements CacheObserver {

  /**
   * Called just after the region is cleared & before Listener callback is
   * issued. The call to this method is synchronous
   * 
   * @param event
   *          RegionEvent object
   */
  public void afterRegionClear(RegionEvent event) {
  }

  public void beforeDiskClear()
  {
    // TODO Auto-generated method stub
  }

  public void goingToFlush()
  {
    // TODO Auto-generated method stub
  }

  public void beforeWritingBytes()
  {
  }

  public void afterWritingBytes()
  {
  }

  public void beforeGoingToCompact()
  {
    // TODO Auto-generated method stub
  }

  public void afterHavingCompacted()
  {
    // TODO Auto-generated method stub
  }

  /*
   * (non-Javadoc)
   * 
   * @see com.gemstone.gemfire.internal.cache.CacheObserver#afterConflation(java.nio.ByteBuffer,
   *      java.nio.ByteBuffer)
   */
  public void afterConflation(ByteBuffer origBB, ByteBuffer conflatedBB)
  {
    // TODO Auto-generated method stub
  }
  /*
   *  (non-Javadoc)
   * @see com.gemstone.gemfire.internal.cache.CacheObserver#afterSettingOplogOffSet()
   */
  public void afterSettingOplogOffSet(long offset) {
    // TODO Auto-generated method stub
  }

  public void beforeSwitchingOplog() {
    // TODO Auto-generated method stub
  }

  public void afterSwitchingOplog() {
    // TODO Auto-generated method stub
  }
  
  public void afterKrfCreated() {
    
  }

  /* (non-Javadoc)
   * @see com.gemstone.gemfire.internal.cache.CacheObserver#beforeStoppingCompacter()
   */
  public void beforeStoppingCompactor()
  {
    // TODO Auto-generated method stub
    
  }
  public void afterStoppingCompactor() {
    
  }
  public void afterSignallingCompactor() {
  }

  public void afterMarkingGIICompleted()
  {
    // TODO Auto-generated method stub
    
  }

  public void afterMarkingGIIStarted()
  {
    // TODO Auto-generated method stub
    
  }

  /* (non-Javadoc)
   * @see com.gemstone.gemfire.internal.cache.CacheObserver#afterSwitchingWriteAndFlushMaps()
   */
  public void afterSwitchingWriteAndFlushMaps()
  {

  }

  public void afterSettingDiskRef()
  {    
  }

  public void beforeSettingDiskRef()
  {    
  }

  public void beforeDeletingCompactedOplog(Oplog compactedOplog)
  {
  }
  public void beforeDeletingEmptyOplog(Oplog emptyOplog)
  {
  }

  public boolean shouldCreateKRFIRF() {
    return true;
  }
  
  public void afterRegionCustomEntryConcurrentHashMapClear() {
    
  }

}