HandleExternalTaskCmd (Camunda Platform Javadocs 7.20.0-SNAPSHOT)

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

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

All Methods Instance Methods Abstract Methods Concrete Methods
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 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
  - validateWorkerViolation
```
protected boolean validateWorkerViolation(ExternalTaskEntity externalTask)
```
    Validates the caller's workerId against the workerId of the external task.