com.gemstone.gemfire.internal.statistics.TestSampleHandler Maven / Gradle / Ivy

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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.statistics;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Kirk Lund
 * @since 7.0
 */
public class TestSampleHandler implements SampleHandler {

  private final List notifications = new ArrayList();

  public TestSampleHandler() {
  }
  
  public synchronized void clearAllNotifications() {
    this.notifications.clear();
  }
  
  public synchronized int getNotificationCount() {
    return this.notifications.size();
  }
  
  public synchronized List getNotifications() {
    return this.notifications;
  }
  
  @Override
  public synchronized void sampled(long timeStamp, List resourceInstances) {
    int resourceCount = resourceInstances.size();
    this.notifications.add(new SampledInfo("sampled", timeStamp, resourceCount));
  }

  @Override
  public synchronized void allocatedResourceType(ResourceType resourceType) {
    this.notifications.add(new ResourceTypeInfo("allocatedResourceType", resourceType));
  }

  @Override
  public synchronized void allocatedResourceInstance(ResourceInstance resourceInstance) {
    this.notifications.add(new ResourceInstanceInfo("allocatedResourceInstance", resourceInstance));
  }

  @Override
  public synchronized void destroyedResourceInstance(ResourceInstance resourceInstance) {
    this.notifications.add(new ResourceInstanceInfo("destroyedResourceInstance", resourceInstance));
  }

  @Override
  public String toString() {
    final StringBuilder sb = new StringBuilder(getClass().getName());
    sb.append("@").append(System.identityHashCode(this)).append("{");
    sb.append("notificationCount=").append(this.notifications.size());
    sb.append(", notifications=").append(this.notifications);
    sb.append("}");
    return sb.toString();
  }
  
  /**
   * @author Kirk Lund
   * @since 7.0
   */
  public static class Info {
    private final String name;
    
    public Info(String name) {
      this.name = name;
    }
    
    public String getName() {
      return this.name;
    }
    
    @Override
    public String toString() {
      final StringBuilder sb = new StringBuilder(getClass().getName());
      sb.append("@").append(System.identityHashCode(this)).append("{");
      sb.append("name=").append(this.name);
      appendToString(sb);
      return sb.append("}").toString();
    }
    
    protected void appendToString(StringBuilder sb) {
    }
  }
  
  /**
   * @author Kirk Lund
   * @since 7.0
   */
  public static class ResourceInstanceInfo extends Info {
    private final ResourceInstance resource;

    public ResourceInstanceInfo(String name, ResourceInstance resource) {
      super(name);
      this.resource = resource;
    }
    
    public ResourceInstance getResourceInstance() {
      return this.resource;
    }
    
    @Override
    protected void appendToString(StringBuilder sb) {
      sb.append(", resource=").append(this.resource);
    }
  }
  
  /**
   * @author Kirk Lund
   * @since 7.0
   */
  public static class ResourceTypeInfo extends Info {
    private final ResourceType type;

    public ResourceTypeInfo(String name, ResourceType type) {
      super(name);
      this.type = type;
    }
    
    public ResourceType getResourceType() {
      return this.type;
    }
    
    @Override
    protected void appendToString(StringBuilder sb) {
      sb.append(", type=").append(this.type);
    }
  }
  
  /**
   * @author Kirk Lund
   * @since 7.0
   */
  public static class SampledInfo extends Info {
    private final long timeStamp;
    private final int resourceCount;
    
    public SampledInfo(String name, long timeStamp, int resourceCount) {
      super(name);
      this.timeStamp = timeStamp;
      this.resourceCount = resourceCount;
    }
    
    public long getTimeStamp() {
      return this.timeStamp;
    }
    
    public int getResourceCount() {
      return this.resourceCount;
    }
    
    @Override
    protected void appendToString(StringBuilder sb) {
      sb.append(", timeStamp=").append(this.timeStamp);
      sb.append(", resourceCount=").append(this.resourceCount);
    }
  }
  
}