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

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.ServiceTaskExpressionActivityBehavior

All Implemented Interfaces:

CoreActivityBehavior<ActivityExecution>, ActivityBehavior, SignallableActivityBehavior

public class ServiceTaskExpressionActivityBehavior
extends TaskActivityBehavior

ActivityBehavior that evaluates an expression when executed. Optionally, it sets the result of the expression as a variable on the execution.

Author:

Tom Baeyens, Christian Stettler, Frederik Heremans, Slawomir Wojtasiak (Patch for ACT-1159), Falko Menge

Nested Class Summary

Nested classes/interfaces inherited from class org.camunda.bpm.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior

AbstractBpmnActivityBehavior.ErrorDeclarationForProcessInstanceFinder, AbstractBpmnActivityBehavior.ErrorPropagationException

Field Summary

protected Expression	expression
protected String	resultVariable

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

LOG

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

bpmnActivityBehavior

Constructor Summary

ServiceTaskExpressionActivityBehavior(Expression expression, String resultVariable)

Method Summary

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

checkIfCauseOfExceptionIsBpmnError, createCompensateEventSubscription, executeWithErrorPropagation, isCompensationEventSubprocess, isProcessEngineExceptionWithoutCause, isTransactionNotActive, leave, propagateBpmnError, propagateError, propagateException, propagateExceptionAsError, 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

expression

protected Expression expression

resultVariable

protected String resultVariable

Constructor Detail

ServiceTaskExpressionActivityBehavior

public ServiceTaskExpressionActivityBehavior(Expression expression,
                                             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