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/*
 * 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.offheap;

import com.gemstone.gemfire.Statistics;

/**
 * Null implementation of OffHeapMemoryStats for testing.
 *  
 * @author Kirk Lund
 */
public class NullOffHeapMemoryStats implements OffHeapMemoryStats {

  public void incFreeMemory(long value) {
  }
  public void incMaxMemory(long value) {
  }
  public void incUsedMemory(long value) {
  }
  public void incSlabSize(long value) {
  }
  public void incObjects(int value) {
  }

  public long getFreeMemory() {
    return 0;
  }
  public long getMaxMemory() {
    return 0;
  }
  public long getUsedMemory() {
    return 0;
  }
  public long getSlabSize() {
    return 0;
  }
  public int getObjects() {
    return 0;
  }
  @Override
  public void incReads() {
  }
  @Override
  public long getReads() {
    return 0;
  }
  @Override
  public int getCompactions() {
    return 0;
  }
  @Override
  public void setFragments(long value) {
  }
  @Override
  public long getFragments() {
    return 0;
  }
  @Override
  public void setLargestFragment(int value) {
  }
  @Override
  public int getLargestFragment() {
    return 0;
  }
  @Override
  public long startCompaction() {
    return 0;
  }
  @Override
  public void endCompaction(long start) {
  }
  @Override
  public void setFragmentation(int value) {
  }
  @Override
  public int getFragmentation() {
    return 0;
  }
  @Override
  public Statistics getStats() {
    return null;
  }
  @Override
  public long getCompactionTime() {
    return 0;
  }
  @Override
  public void close() {
  }
  @Override
  public void initialize(OffHeapMemoryStats stats) {
    stats.close();
  }     
}