tryllian.afc.task.standard
Class TaskRetryTask

java.lang.Object
  tryllian.afc.task.AbstractTask
      tryllian.afc.task.DefaultTask
          tryllian.afc.task.standard.TaskRetryTask

All Implemented Interfaces:

java.util.EventListener, MessageHandler, java.io.Serializable, Task, TaskListener

public class TaskRetryTask

extends DefaultTask

implements TaskListener

A task that retries (with a given maximum) a task until it succeeds. The task is tried at least one time, and at most the number of retries given.

Succeeds if the task that is retried succeeds.
Fails after a specified number of failures of the task that is tried.

When finished, the finish value is equal to the one of the retried Task.

See Also:

Serialized Form

Field Summary

Fields inherited from class tryllian.afc.task.AbstractTask

NL

Fields inherited from interface tryllian.afc.task.Task

EMPTY_FINISH_VALUE, FORCED_FINISH_FAILURE, NO_TIME_OUT, TASK_TIMED_OUT

Constructor Summary

TaskRetryTask()
Default constructor (bean) - you have to set the RetryTask before this task is started.

TaskRetryTask(Task retryTask, int nrOfRetries)
Constructs a TaskRetryTask, specifying the task and the max.

Method Summary

int	getRetries() Get the number of retries.
Task	getRetryTask() Get the task to retry.
void	setRetries(int retries) Set the number of retries.
void	setRetryTask(Task task) Set the task to retry.
void	taskEnded(TaskEvent event) Handle task event for finishing of task to be retried.
void	taskStarted(TaskEvent event) Handle task event for starting of task to be retried

Methods inherited from class tryllian.afc.task.DefaultTask

addFinishingTask, addTask, getSubtasks, handleHeartbeat, propagateHeartbeat

Methods inherited from class tryllian.afc.task.AbstractTask

addTaskListener, fail, fail, finish, finish, finish, forceFinish, forceFinish, getAgentContext, getFinishValue, getState, getSupertask, getTimeOut, handleMessage, heartbeatReceived, logException, messageReceived, removeTaskListener, setAgentContext, setFinishValue, setTimeOut, succeed, succeed, taskAdded, taskEnded, taskRemoved, taskStarted

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskRetryTask

public TaskRetryTask()

Default constructor (bean) - you have to set the RetryTask before this task is started.

TaskRetryTask

public TaskRetryTask(Task retryTask,
                     int nrOfRetries)

Constructs a TaskRetryTask, specifying the task and the max. retries.

Parameters:

retryTask - the task that needs to be executed.

nrOfRetries - the maximum number of times this task is retried.

Method Detail

setRetryTask

public void setRetryTask(Task task)

Set the task to retry.

Parameters:

task - the Task to retry

getRetryTask

public Task getRetryTask()

Get the task to retry.

Returns:

the task to retry

setRetries

public void setRetries(int retries)

Set the number of retries.

Parameters:

retries - the number of retries

getRetries

public int getRetries()

Get the number of retries.

Returns:

the number of retries

taskStarted

public final void taskStarted(TaskEvent event)

Handle task event for starting of task to be retried

Specified by:

taskStarted in interface TaskListener

taskEnded

public final void taskEnded(TaskEvent event)

Handle task event for finishing of task to be retried.

Specified by:

taskEnded in interface TaskListener