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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing

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/*
 * 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;

import java.nio.ByteBuffer;

import org.apache.geode.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
 * org.apache.geode.internal.cache.LocalRegion is made true
 * 
 */
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 org.apache.geode.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 org.apache.geode.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 org.apache.geode.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 org.apache.geode.internal.cache.CacheObserver#afterSwitchingWriteAndFlushMaps()
   */
  public void afterSwitchingWriteAndFlushMaps() {

  }

  public void afterSettingDiskRef() {}

  public void beforeSettingDiskRef() {}

  public void beforeDeletingCompactedOplog(Oplog compactedOplog) {}

  public void beforeDeletingEmptyOplog(Oplog emptyOplog) {}

  @Override
  public void beforeShutdownAll() {}
}