content: /**
   * 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.
   */
  package org.apache.activemq.broker;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  
  import org.apache.activemq.command.ConnectionId;
  import org.apache.activemq.command.ConsumerId;
  import org.apache.activemq.command.ProducerId;
  import org.apache.activemq.command.SessionId;
  
  /**
   * 
   */
  
  public class MapTransportConnectionStateRegister  implements TransportConnectionStateRegister{
  
      private  Map <ConnectionId,TransportConnectionState>connectionStates = new ConcurrentHashMap<ConnectionId,TransportConnectionState>();
  
      public TransportConnectionState registerConnectionState(ConnectionId connectionId,
                                                                 TransportConnectionState state) {
          TransportConnectionState rc = connectionStates.put(connectionId, state);
          return rc;
      }
  
      public TransportConnectionState unregisterConnectionState(ConnectionId connectionId) {
          TransportConnectionState rc = connectionStates.remove(connectionId);
          if (rc.getReferenceCounter().get() > 1) {
              rc.decrementReference();
              connectionStates.put(connectionId, rc);
          }
          return rc;
      }
  
      public List<TransportConnectionState> listConnectionStates() {
      	
          List<TransportConnectionState> rc = new ArrayList<TransportConnectionState>();
          rc.addAll(connectionStates.values());
          return rc;
      }
  
      public TransportConnectionState lookupConnectionState(String connectionId) {
          return connectionStates.get(new ConnectionId(connectionId));
      }
  
      public TransportConnectionState lookupConnectionState(ConsumerId id) {
          TransportConnectionState cs = lookupConnectionState(id.getConnectionId());
          if (cs == null) {
              throw new IllegalStateException(
                                              "Cannot lookup a consumer from a connection that had not been registered: "
                                                  + id.getParentId().getParentId());
          }
          return cs;
      }
  
      public TransportConnectionState lookupConnectionState(ProducerId id) {
      	 TransportConnectionState cs = lookupConnectionState(id.getConnectionId());
          if (cs == null) {
              throw new IllegalStateException(
                                              "Cannot lookup a producer from a connection that had not been registered: "
                                                  + id.getParentId().getParentId());
          }
          return cs;
      }
  
      public TransportConnectionState lookupConnectionState(SessionId id) {
      	 TransportConnectionState cs = lookupConnectionState(id.getConnectionId());
          if (cs == null) {
              throw new IllegalStateException(
                                              "Cannot lookup a session from a connection that had not been registered: "
                                                  + id.getParentId());
          }
          return cs;
      }
  
      public TransportConnectionState lookupConnectionState(ConnectionId connectionId) {
          TransportConnectionState cs = connectionStates.get(connectionId);
          if (cs == null) {
              throw new IllegalStateException("Cannot lookup a connection that had not been registered: "
                                              + connectionId);
          }
          return cs;
      }
  
  	
  
  	public boolean doesHandleMultipleConnectionStates() {
  		return true;
  	}
  
  	public boolean isEmpty() {
  		return connectionStates.isEmpty();
  	}
  
  	public void clear() {
  		connectionStates.clear();
  		
  	}
  
  	public void intialize(TransportConnectionStateRegister other) {
  		connectionStates.clear();
  		connectionStates.putAll(other.mapStates());
  		
  	}
  
  	public Map<ConnectionId, TransportConnectionState> mapStates() {
  		HashMap<ConnectionId, TransportConnectionState> map = new HashMap<ConnectionId, TransportConnectionState>(connectionStates);
  		return map;
  	}
  
  }
  