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    1   /***
    2    *
    3    * Copyright 2004 Protique Ltd
    4    *
    5    * Licensed under the Apache License, Version 2.0 (the "License");
    6    * you may not use this file except in compliance with the License.
    7    * You may obtain a copy of the License at
    8    *
    9    * http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   **/
    18  package org.codehaus.activemq.management;
    19
    20  import EDU.oswego.cs.dl.util.concurrent.CopyOnWriteArrayList;
    21  import org.codehaus.activemq.ActiveMQConnection;
    22  import org.codehaus.activemq.util.IndentPrinter;
    23
    24  import javax.management.j2ee.statistics.JMSConnectionStats;
    25  import javax.management.j2ee.statistics.JMSStats;
    26  import java.util.List;
    27
    28  /***
    29   * Statistics for a number of JMS connections
    30   *
    31   * @version $Revision: 1.2 $
    32   */
    33  public class JMSStatsImpl extends StatsImpl implements JMSStats {
    34      private List connections = new CopyOnWriteArrayList();
    35
    36      public JMSStatsImpl() {
    37      }
    38
    39      public JMSConnectionStats[] getConnections() {
    40          Object[] connectionArray = connections.toArray();
    41          int size = connectionArray.length;
    42          JMSConnectionStats[] answer = new JMSConnectionStats[size];
    43          for (int i = 0; i < size; i++) {
    44              ActiveMQConnection connection = (ActiveMQConnection) connectionArray[i];
    45              answer[i] = connection.getConnectionStats();
    46          }
    47          return answer;
    48      }
    49
    50      public void addConnection(ActiveMQConnection connection) {
    51          connections.add(connection);
    52      }
    53
    54      public void removeConnection(ActiveMQConnection connection) {
    55          connections.remove(connection);
    56      }
    57
    58      public void dump(IndentPrinter out) {
    59          out.printIndent();
    60          out.println("factory {");
    61          out.incrementIndent();
    62          JMSConnectionStats[] array = getConnections();
    63          for (int i = 0; i < array.length; i++) {
    64              JMSConnectionStatsImpl connectionStat = (JMSConnectionStatsImpl) array[i];
    65              connectionStat.dump(out);
    66          }
    67          out.decrementIndent();
    68          out.printIndent();
    69          out.println("}");
    70          out.flush();
    71      }
    72  }