| Interface Summary | 
| JMSInitialContextFactory | In JMS, Topic/QueueConnectionFactories and Destinations (Topics and
 Queues) are obtained by resolving JNDI names. | 
| MessageSink | This is the interface that must be implemented by components in
 the patch bay configured as message sinks or message filters. | 
| MessageSource | This is the interface that must be implemented by components in
 the patch bay configured as message sources or message filters. | 
| MessageSourceContext | This is the interface that MessageSource implementations use to
 generate and send messages. |