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.web;
  
  import java.util.Collection;
  import java.util.Collections;
  
  import org.apache.activemq.broker.jmx.ConnectionViewMBean;
  import org.apache.activemq.broker.jmx.SubscriptionViewMBean;
  
  /**
   * Query for a single connection.
   * 
   * @author ms
   */
  public class ConnectionQuery {
  
  	private final BrokerFacade mBrokerFacade;
  	private String mConnectionID;
  
  	public ConnectionQuery(BrokerFacade brokerFacade) {
  		mBrokerFacade = brokerFacade;
  	}
  
  	public void destroy() {
  		// empty
  	}
  
  	public void setConnectionID(String connectionID) {
  		mConnectionID = connectionID;
  	}
  
  	public String getConnectionID() {
  		return mConnectionID;
  	}
  
  	public ConnectionViewMBean getConnection() throws Exception {
  		String connectionID = getConnectionID();
  		if (connectionID == null)
  			return null;
  		return mBrokerFacade.getConnection(connectionID);
  	}
  
  	public Collection<SubscriptionViewMBean> getConsumers() throws Exception {
  		String connectionID = getConnectionID();
  		if (connectionID == null)
  			return Collections.emptyList();
  		return mBrokerFacade.getConsumersOnConnection(connectionID);
  	}
  
  }