Package org.camunda.bpm.engine.impl.cmd

Class ExternalTaskCmd

java.lang.Object

org.camunda.bpm.engine.impl.cmd.ExternalTaskCmd

All Implemented Interfaces:

Command<Void>

Direct Known Subclasses:

HandleExternalTaskCmd, SetExternalTaskPriorityCmd, SetExternalTaskRetriesCmd, UnlockExternalTaskCmd

public abstract class ExternalTaskCmd
extends Object
implements Command<Void>

Represents a base class for the external task commands. Contains functionality to get the external task by id and check the authorization for the execution of a command on the requested external task.

Author:

Christopher Zell <christopher.zell@camunda.com>

Field Summary

Fields

Modifier and Type	Field	Description
protected String	externalTaskId	The corresponding external task id.

Constructor Summary

Constructors

Constructor	Description
ExternalTaskCmd(String externalTaskId)

Method Summary

Modifier and Type	Method	Description
Void	execute(CommandContext commandContext)
protected abstract void	execute(ExternalTaskEntity externalTask)	Executes the specific external task commands, which belongs to the current sub class.
protected String	getUserOperationLogOperationType()
protected List<PropertyChange>	getUserOperationLogPropertyChanges(ExternalTaskEntity externalTask)
protected abstract void	validateInput()	Validates the current input of the command.
protected void	writeUserOperationLog(CommandContext commandContext, ExternalTaskEntity externalTask, String operationType, List<PropertyChange> propertyChanges)

Methods inherited from class java.lang.Object

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

Field Details

externalTaskId

protected String externalTaskId

The corresponding external task id.

Constructor Details

ExternalTaskCmd

public ExternalTaskCmd(String externalTaskId)

Method Details

execute

public Void execute(CommandContext commandContext)

Specified by:

execute in interface Command<Void>

writeUserOperationLog

protected void writeUserOperationLog(CommandContext commandContext,
 ExternalTaskEntity externalTask,
 String operationType,
 List<PropertyChange> propertyChanges)

getUserOperationLogOperationType

protected String getUserOperationLogOperationType()

getUserOperationLogPropertyChanges

protected List<PropertyChange> getUserOperationLogPropertyChanges(ExternalTaskEntity externalTask)

execute

protected abstract void execute(ExternalTaskEntity externalTask)

Executes the specific external task commands, which belongs to the current sub class.

Parameters:

externalTask - the external task which is used for the command execution

validateInput

protected abstract void validateInput()

Validates the current input of the command.