I have a simple process definition that looks like this:
Start -> NodePingNode -> End
The NodePingNode contains a custom handler, and I am trying to use a simple
JUnit TestCase to trace through the execution of the process. During execution,
the only nodes that appear to be executing are the Start and End nodes. The
NodePingNode seems to be getting skipped entirely. I have used signal() and
signal(TransitionName) methods to try to get a successful transition from Start
to the NodePingNode, to no avail. Here is my process definition created using
the designer:
<?xml version="1.0" encoding="UTF-8"?>
<process-definition
xmlns="" name="NodePing">
<start-state name="start">
</start-state>
<end-state name="end"></end-state>
</process-definition>
Here is my custom handler:
public class NodePingActionHandler implements ActionHandler {
String message;
public void execute(ExecutionContext context) throws Exception {
//get the engine state
String status = "READY"; //Engine.getEngine().getStatus();
context.getContextInstance().setVariable("node_status", status);
}
}
Here is my Test class:
public class NodePingProcessTest extends TestCase {
public void testNodePingProcess() throws Exception {
FileInputStream fis = new
FileInputStream("processes/NodePing/processdefinition.xml");
ProcessDefinition processDefinition =
ProcessDefinition.parseXmlInputStream(fis);
// Create an instance of the process definition.
ProcessInstance instance = new
ProcessInstance(processDefinition);
System.out.println("Node name = " +
instance.getRootToken().getNode().getName());
System.out.println("Node status = " +
instance.getContextInstance().getVariable("node_status"));
instance.signal("toNodePingNode");
System.out.println("Node name = " +
instance.getRootToken().getNode().getName());
System.out.println("Node status = " +
instance.getContextInstance().getVariable("node_status"));
instance.signal();
System.out.println("Node name = " +
instance.getRootToken().getNode().getName());
System.out.println("Node status = " +
instance.getContextInstance().getVariable("node_status"));
}
}
Here is the output:
Node name = start
Node status = null
Node name = end
Node status = null
I have also breakpointed the handler class, but it never is executed. What is
going wrong?
Thanks...
Brad
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