org.camunda.bpm.engine.impl.cmd
Class HandleExternalTaskCmd

java.lang.Object
  org.camunda.bpm.engine.impl.cmd.ExternalTaskCmd
      org.camunda.bpm.engine.impl.cmd.HandleExternalTaskCmd

All Implemented Interfaces:

Command<Void>

Direct Known Subclasses:

CompleteExternalTaskCmd, ExtendLockOnExternalTaskCmd, HandleExternalTaskBpmnErrorCmd, HandleExternalTaskFailureCmd

public abstract class HandleExternalTaskCmd
extends ExternalTaskCmd

Represents an abstract class for the handle of external task commands.

Author:

Christopher Zell

Field Summary

protected String

workerId The reported worker id.

Fields inherited from class org.camunda.bpm.engine.impl.cmd.ExternalTaskCmd

externalTaskId

Constructor Summary

HandleExternalTaskCmd(String externalTaskId, String workerId)

Method Summary

Void	execute(CommandContext commandContext)
abstract String	getErrorMessageOnWrongWorkerAccess() Returns the error message.
protected void	validateInput() Validates the current input of the command.

Methods inherited from class org.camunda.bpm.engine.impl.cmd.ExternalTaskCmd

execute

Methods inherited from class java.lang.Object

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

Field Detail

workerId

protected String workerId

The reported worker id.

Constructor Detail

HandleExternalTaskCmd

public HandleExternalTaskCmd(String externalTaskId,
                             String workerId)

Method Detail

execute

public Void execute(CommandContext commandContext)

Specified by:

execute in interface Command<Void>

Overrides:

execute in class ExternalTaskCmd

getErrorMessageOnWrongWorkerAccess

public abstract String getErrorMessageOnWrongWorkerAccess()

Returns the error message. Which is used to create an specific message for the BadUserRequestException if an worker has no rights to execute commands of the external task.

Returns:

the specific error message

validateInput

protected void validateInput()

Validates the current input of the command.

Specified by:

validateInput in class ExternalTaskCmd