JMSBridgeFactory


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56  package org.objectstyle.cayenne.event;
57  
58  import java.util.Map  ;
59  
60  /**
61   * Factory to create JMSBridge instances.
62   * 
63   * @since 1.1
64   * @author Andrei Adamchik
65   */
66  public class JMSBridgeFactory implements EventBridgeFactory {
67  
68      // this is an OpenJMS default for the factory name. Likely it won't work with
69      // anything else
70      public static final String   TOPIC_CONNECTION_FACTORY_DEFAULT =
71          "JmsTopicConnectionFactory";
72  
73      public static final String   TOPIC_CONNECTION_FACTORY_PROPERTY =
74          "cayenne.JMSBridge.topic.connection.factory";
75  
76      public JMSBridgeFactory() {
77          super();
78          // TODO Auto-generated constructor stub
79      }
80  
81      public EventBridge createEventBridge(EventSubject localSubject, Map   properties) {
82          JMSBridge bridge =
83              new JMSBridge(
84                  localSubject,
85                  EventBridge.convertToExternalSubject(localSubject));
86  
87          // configure properties
88          String   topicConnectionFactory =
89              (String  ) properties.get(TOPIC_CONNECTION_FACTORY_PROPERTY);
90  
91          bridge.setTopicConnectionFactoryName(
92              topicConnectionFactory != null
93                  ? topicConnectionFactory
94                  : TOPIC_CONNECTION_FACTORY_DEFAULT);
95  
96          return bridge;
97      }
98  
99  }
100
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