package org.apache.commons.jcs3.utils.discovery;
   
   /*
    * 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.
   */
  
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.Objects;
  
  /**
   * This contains info about a discovered service. These objects are stored in a set in the
   * UDPDiscoveryService.
   */
  public class DiscoveredService
      implements Serializable
  {
      /** For serialization. Don't change. */
      private static final long serialVersionUID = -7810164772089509751L;
  
      /** region names */
      private ArrayList<String> cacheNames;
  
      /** service address */
      private String serviceAddress;
  
      /** service port */
      private int servicePort;
  
      /** last time we heard from this service? */
      private long lastHearFromTime;
  
      /**
       * Default constructor
       */
      public DiscoveredService()
      {
          // empty
      }
  
      /**
       * Constructor
       *
       * @param message incoming message
       * @since 3.1
       */
      public DiscoveredService(UDPDiscoveryMessage message)
      {
          setServiceAddress( message.getHost() );
          setCacheNames( message.getCacheNames() );
          setServicePort( message.getPort() );
          setLastHearFromTime( System.currentTimeMillis() );
      }
  
      /**
       * @param cacheNames the cacheNames to set
       */
      public void setCacheNames( final ArrayList<String> cacheNames )
      {
          this.cacheNames = cacheNames;
      }
  
      /**
       * @return the cacheNames
       */
      public ArrayList<String> getCacheNames()
      {
          return cacheNames;
      }
  
      /**
       * @param serviceAddress The serviceAddress to set.
       */
      public void setServiceAddress( final String serviceAddress )
      {
          this.serviceAddress = serviceAddress;
      }
  
      /**
       * @return Returns the serviceAddress.
       */
      public String getServiceAddress()
      {
          return serviceAddress;
     }
 
     /**
      * @param servicePort The servicePort to set.
      */
     public void setServicePort( final int servicePort )
     {
         this.servicePort = servicePort;
     }
 
     /**
      * @return Returns the servicePort.
      */
     public int getServicePort()
     {
         return servicePort;
     }
 
     /**
      * @param lastHearFromTime The lastHearFromTime to set.
      */
     public void setLastHearFromTime( final long lastHearFromTime )
     {
         this.lastHearFromTime = lastHearFromTime;
     }
 
     /**
      * @return Returns the lastHearFromTime.
      */
     public long getLastHearFromTime()
     {
         return lastHearFromTime;
     }
 
     /** @return hash code based on address/port */
 	@Override
 	public int hashCode()
 	{
 		return Objects.hash(serviceAddress, servicePort);
 	}
 
 	/**
      * NOTE - this object is often put into sets, so equals needs to be overridden.
      * <p>
      * We can't use cache names as part of the equals unless we manually only use the address and
      * port in a contains check. So that we can use normal set functionality, I've kept the cache
      * names out.
      * <p>
      * @param otherArg other
      * @return equality based on the address/port
      */
 	@Override
 	public boolean equals(final Object otherArg)
 	{
 		if (this == otherArg)
 		{
 			return true;
 		}
 		if (otherArg == null)
 		{
 			return false;
 		}
 		if (!(otherArg instanceof DiscoveredService))
 		{
 			return false;
 		}
 		final DiscoveredService other = (DiscoveredService) otherArg;
 		if (!Objects.equals(serviceAddress, other.serviceAddress))
 		{
 			return false;
 		}
         return servicePort == other.servicePort;
     }
 
     /**
      * @return string for debugging purposes.
      */
     @Override
     public String toString()
     {
         final StringBuilder buf = new StringBuilder();
         buf.append( "\n DiscoveredService" );
         buf.append( "\n CacheNames = [" + getCacheNames() + "]" );
         buf.append( "\n ServiceAddress = [" + getServiceAddress() + "]" );
         buf.append( "\n ServicePort = [" + getServicePort() + "]" );
         buf.append( "\n LastHearFromTime = [" + getLastHearFromTime() + "]" );
         return buf.toString();
     }
 }