001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.web;
018
019import java.util.Collection;
020import java.util.Collections;
021
022import org.apache.activemq.broker.jmx.ConnectionViewMBean;
023import org.apache.activemq.broker.jmx.SubscriptionViewMBean;
024
025/**
026 * Query for a single connection.
027 * 
028 * @author ms
029 */
030public class ConnectionQuery {
031
032        private final BrokerFacade mBrokerFacade;
033        private String mConnectionID;
034
035        public ConnectionQuery(BrokerFacade brokerFacade) {
036                mBrokerFacade = brokerFacade;
037        }
038
039        public void destroy() {
040                // empty
041        }
042
043        public void setConnectionID(String connectionID) {
044                mConnectionID = connectionID;
045        }
046
047        public String getConnectionID() {
048                return mConnectionID;
049        }
050
051        public ConnectionViewMBean getConnection() throws Exception {
052                String connectionID = getConnectionID();
053                if (connectionID == null)
054                        return null;
055                return mBrokerFacade.getConnection(connectionID);
056        }
057
058        public Collection<SubscriptionViewMBean> getConsumers() throws Exception {
059                String connectionID = getConnectionID();
060                if (connectionID == null)
061                        return Collections.emptyList();
062                return mBrokerFacade.getConsumersOnConnection(connectionID);
063        }
064
065}