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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
    19  package org.codehaus.activemq.service.boundedvm;
    20
    21
    22  import javax.jms.DeliveryMode;
    23  import javax.jms.JMSException;
    24  import org.codehaus.activemq.filter.Filter;
    25  import org.codehaus.activemq.message.ActiveMQMessage;
    26  import org.codehaus.activemq.message.ConsumerInfo;
    27
    28  /***
    29   * A holder for Transient Topic consumer info and message routing
    30   *
    31   * @version $Revision: 1.1 $
    32   */
    33  public class TransientTopicSubscription  {
    34      private Filter filter;
    35      private ConsumerInfo consumerInfo;
    36
    37
    38      /***
    39       * Construct the TransientTopicSubscription
    40       * @param filter
    41       * @param info
    42       */
    43
    44      public TransientTopicSubscription(Filter filter,ConsumerInfo info){
    45          this.filter = filter;
    46          this.consumerInfo = info;
    47      }
    48
    49
    50      /***
    51       * determines if the Subscription is interested in the message
    52       *
    53       * @param message
    54       * @return true if this Subscription will accept the message
    55       * @throws JMSException
    56       */
    57      public boolean isTarget(ActiveMQMessage message) throws JMSException {
    58          boolean result = false;
    59          if (message != null) {
    60              result = filter.matches(message);
    61              //if we are durable, check we only send non-persistent messages
    62              if (result && consumerInfo.isDurableTopic()){
    63                  result = message.getJMSDeliveryMode() == DeliveryMode.NON_PERSISTENT;
    64              }
    65          }
    66          return result;
    67      }
    68      /***
    69       * @return Returns the consumerInfo.
    70       */
    71      public ConsumerInfo getConsumerInfo() {
    72          return consumerInfo;
    73      }
    74      /***
    75       * @param consumerInfo The consumerInfo to set.
    76       */
    77      public void setConsumerInfo(ConsumerInfo consumerInfo) {
    78          this.consumerInfo = consumerInfo;
    79      }
    80  }