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.TaskActivityBehavior

activityInstanceId

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	performExecution(ActivityExecution execution) The method which should be overridden by the sub classes to perform an execution.

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

execute, postExecution, preExecution

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

checkIfCauseOfExceptionIsBpmnError, createCompensateEventSubscription, doLeave, executeWithErrorPropagation, isCompensationEventSubprocess, isProcessEngineExceptionWithoutCause, isTransactionNotActive, propagateBpmnError, propagateError, propagateException, propagateExceptionAsError, signal, signalCompensationDone

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

leave, 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

performExecution

public void performExecution(ActivityExecution execution)
                      throws Exception

Description copied from class: TaskActivityBehavior

The method which should be overridden by the sub classes to perform an execution.

Overrides:

performExecution in class TaskActivityBehavior

Parameters:

execution - the execution which is used during performing the execution

Throws:

Exception