Package 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, LockExternalTaskCmd

public abstract class HandleExternalTaskCmd
extends ExternalTaskCmd

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

Author:

Christopher Zell <christopher.zell@camunda.com>

Field Summary

Fields

Modifier and Type	Field	Description
protected String	workerId	The reported worker id.

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

externalTaskId

Constructor Summary

Constructors

Constructor	Description
HandleExternalTaskCmd(String externalTaskId, String workerId)

Method Summary

Modifier and Type	Method	Description
Void	execute(CommandContext commandContext)
abstract String	getErrorMessageOnWrongWorkerAccess()	Returns the error message.
protected void	validateInput()	Validates the current input of the command.
protected boolean	validateWorkerViolation(ExternalTaskEntity externalTask)	Validates the caller's workerId against the workerId of the external task.

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

execute, getUserOperationLogOperationType, getUserOperationLogPropertyChanges, writeUserOperationLog

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.camunda.bpm.engine.impl.interceptor.Command

isRetryable

Field Details

workerId

protected String workerId

The reported worker id.

Constructor Details

HandleExternalTaskCmd

public HandleExternalTaskCmd(String externalTaskId,
 String workerId)

Method Details

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

validateWorkerViolation

protected boolean validateWorkerViolation(ExternalTaskEntity externalTask)

Validates the caller's workerId against the workerId of the external task.