package org.lsst.ccs.bus.jgroups;
   
   import org.jgroups.*;
   
   import java.util.HashMap;
   import java.util.Map;
   
   /**
    * @author bamade
   */
  @Deprecated
  public class GroupTopic {
      static Map<String,GroupTopic> map = new HashMap<String, GroupTopic>();
  
      private String topicName ;
      private JChannel channel ;
      private ReceiverAdapter adapter ;
  
      private GroupTopic(String topicName, String stackProperties) throws Exception {
          this.topicName = topicName;
          //this.adapter = adapter;
          this.channel = new JChannel(stackProperties) ;
          this.channel.connect(topicName);
          //this.channel.setReceiver(adapter);
      }
  
  
      public String getTopicName() {
          return topicName;
      }
  
      public JChannel getChannel() {
          return channel;
      }
  
      public ReceiverAdapter getAdapter() {
          return adapter;
      }
  
      public void setAdapter(ReceiverAdapter adapter) {
          this.adapter= adapter ;
          this.channel.setReceiver(adapter);
      }
  
      /**
       * Call only once for a topic otherwise else receiver argument will not be accoutned for!
       */
      public static synchronized GroupTopic create(String topic, String stackProperties) throws Exception {
          GroupTopic res = map.get(topic);
          if( res == null) {
              res = new GroupTopic(topic, stackProperties) ;
              map.put(topic, res);
          }
          return res ;
      }
      // TODO: make it AutoCloseable
      public void close() {
          this.channel.close();
      }
  
      public static synchronized void closeAll() {
          for(GroupTopic top : map.values()){
              top.close() ;
          }
  
      }
  
      public void sendMessage(Object obj) throws Exception {
          this.channel.send(new Message(null, null, obj));
      }
  }