001    /** 
002     * 
003     * Copyright 2004 Protique Ltd
004     * 
005     * Licensed under the Apache License, Version 2.0 (the "License"); 
006     * you may not use this file except in compliance with the License. 
007     * 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     * 
017     **/
018    package org.activemq.management;
019    
020    import java.util.List;
021    
022    import org.activemq.ActiveMQConnection;
023    import org.activemq.util.IndentPrinter;
024    
025    import EDU.oswego.cs.dl.util.concurrent.CopyOnWriteArrayList;
026    
027    /**
028     * Statistics for a number of JMS connections
029     *
030     * @version $Revision: 1.1.1.1 $
031     */
032    public class JMSStatsImpl extends StatsImpl {
033        private List connections = new CopyOnWriteArrayList();
034    
035        public JMSStatsImpl() {
036        }
037    
038        public JMSConnectionStatsImpl[] getConnections() {
039            Object[] connectionArray = connections.toArray();
040            int size = connectionArray.length;
041            JMSConnectionStatsImpl[] answer = new JMSConnectionStatsImpl[size];
042            for (int i = 0; i < size; i++) {
043                ActiveMQConnection connection = (ActiveMQConnection) connectionArray[i];
044                answer[i] = connection.getConnectionStats();
045            }
046            return answer;
047        }
048    
049        public void addConnection(ActiveMQConnection connection) {
050            connections.add(connection);
051        }
052    
053        public void removeConnection(ActiveMQConnection connection) {
054            connections.remove(connection);
055        }
056    
057        public void dump(IndentPrinter out) {
058            out.printIndent();
059            out.println("factory {");
060            out.incrementIndent();
061            JMSConnectionStatsImpl[] array = getConnections();
062            for (int i = 0; i < array.length; i++) {
063                JMSConnectionStatsImpl connectionStat = (JMSConnectionStatsImpl) array[i];
064                connectionStat.dump(out);
065            }
066            out.decrementIndent();
067            out.printIndent();
068            out.println("}");
069            out.flush();
070        }
071    }