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  1. myComponent subscribes to the "demo.org.servicemix.source" topic. Through its template property, myComponent uses JmsFactory to listen on
    port 61616 via ActiveMQConnectionFactory.
  2. When JMSClient is executed, it tries to make a connection to the topic demo.org.servicemix.source at port 61616
  3. It then send a text message through this connection and waits for a response.
  4. myComponent receives the message and transmit it to ProcessSVC which is probably the PXE BPEL engine as specified in the destinationService
    property in the servicemix.xml file.
  5. When the transmission is successful myComponent send a reply to the JMSClient and "Response was @response" is printed on the console.
    Otherwise "Response time out" is printed.

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Component or Bean ID

Description

myComponent

This JMS binding component subscribes to the "demo.org.servicemix.source" topic via its defaultDestinationName
property specified on the servicemix.xml configuration file. Through its template property, it uses JmsFactory to listen on port 61616 via
ActiveMQConnectionFactory. When it receives a message, it sends it to ProcessSVC PXE BPEL engine as specified on destinationService property which is possibly
the BPEL engine (not sure)

pxe:ProcessSVC

PXE is a runtime component for executing processes defined by the BPEL4WS 1.1 specification and forthcoming WS-BPEL 2.0 OASIS standard. PXE BPEL engine uses JMX to provide management and introspection functionality. Business Process Execution Language (BPEL) defines a notation for specifying business process behavior
based on Web Services.

Useful Code Hints

This section describes the start-up sequence and how the ServiceMix container interacts with the BPEL application. The Java class files are located in the servicemix-1.0.1.jar file in the ServiceMix installation directory. To look at the Java source code, unjar and decompile the .class files or download the source code. Please note: the downloadable source code is slightly different than the compiled binary code.

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