org.camunda.bpm.engine.impl.bpmn.behavior
Class ScriptTaskActivityBehavior

java.lang.Object
  org.camunda.bpm.engine.impl.bpmn.behavior.FlowNodeActivityBehavior
      org.camunda.bpm.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior
          org.camunda.bpm.engine.impl.bpmn.behavior.TaskActivityBehavior
              org.camunda.bpm.engine.impl.bpmn.behavior.ScriptTaskActivityBehavior

All Implemented Interfaces:

CoreActivityBehavior<ActivityExecution>, ActivityBehavior, SignallableActivityBehavior

public class ScriptTaskActivityBehavior
extends TaskActivityBehavior

ActivityBehavior implementation of the BPMN 2.0 script task.

Author:

Joram Barrez, Christian Stettler, Falko Menge, Daniel Meyer

Field Summary

protected ScriptInvocationHandler

invocationHandler

Fields inherited from class org.camunda.bpm.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior

multiInstanceActivityBehavior

Fields inherited from class org.camunda.bpm.engine.impl.bpmn.behavior.FlowNodeActivityBehavior

bpmnActivityBehavior

Constructor Summary

ScriptTaskActivityBehavior(String script, String language, String resultVariable)

Method Summary

protected ScriptInvocationHandler	createInvocationHandler(String script, String language, String resultVariable) Creates an instance of the ScriptInvocationHandler.
void	execute(ActivityExecution execution) Default behaviour: just leave the activity with no extra functionality.

Methods inherited from class org.camunda.bpm.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior

createCompensateEventSubscription, getMultiInstanceActivityBehavior, hasCompensationHandler, hasLoopCharacteristics, hasMultiInstanceCharacteristics, leave, setMultiInstanceActivityBehavior, signal, signalCompensationDone

Methods inherited from class org.camunda.bpm.engine.impl.bpmn.behavior.FlowNodeActivityBehavior

leaveIgnoreConditions

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

invocationHandler

protected ScriptInvocationHandler invocationHandler

Constructor Detail

ScriptTaskActivityBehavior

public ScriptTaskActivityBehavior(String script,
                                  String language,
                                  String resultVariable)

Method Detail

execute

public void execute(ActivityExecution execution)
             throws Exception

Description copied from class: FlowNodeActivityBehavior

Default behaviour: just leave the activity with no extra functionality.

Specified by:

execute in interface CoreActivityBehavior<ActivityExecution>

Specified by:

execute in interface ActivityBehavior

Overrides:

execute in class FlowNodeActivityBehavior

Throws:

Exception

createInvocationHandler

protected ScriptInvocationHandler createInvocationHandler(String script,
                                                          String language,
                                                          String resultVariable)

Creates an instance of the ScriptInvocationHandler.

Parameters:

script - source code of the script

language - the language used

resultVariable - the variable name under which the result of the script invocation (if any) should be stored

Returns:

the invocation handler instance