package org.apache.helix.monitoring;
   
   /*
    * 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.
   */
  
  public class StateTransitionContext
  {
    private final String _resourceName;
    private final String _clusterName;
    private final String _instanceName;
    private final String _transition;
    
    public StateTransitionContext(
        String clusterName, 
        String instanceName,
        String resourceName, 
        String transition
        )
    {
      _clusterName = clusterName;
      _resourceName = resourceName; 
      _transition = transition;
      _instanceName = instanceName;
    }
    
    public String getClusterName()
    {
      return _clusterName;
    }
    
    public String getInstanceName()
    {
      return _instanceName;
    }
    
    public String getResourceName()
    {
      return _resourceName;
    }
    
    public String getTransition()
    {
      return _transition;
    }
    
    @Override
    public boolean equals(Object other)
    {
      if(! (other instanceof StateTransitionContext))
      {
        return false;
      }
      
      StateTransitionContext otherCxt = (StateTransitionContext) other;  
      return
        _clusterName.equals(otherCxt.getClusterName()) &&
        // _instanceName.equals(otherCxt.getInstanceName()) &&
        _resourceName.equals(otherCxt.getResourceName()) &&
        _transition.equals(otherCxt.getTransition()) ;
    }
      
  
    // In the report, we will gather per transition time statistics
   @Override
    public int hashCode()
    {
      return toString().hashCode();
    }
    
    public String toString()
    {
       return "Cluster=" + _clusterName + "," + 
             // "instance=" + _instanceName + "," +
             "Resource=" + _resourceName +"," + 
             "Transition=" + _transition;    
    }
    
  }