org.apache.river.mahalo

Class ParticipantTask

java.lang.Object

org.apache.river.thread.RetryTask

org.apache.river.mahalo.ParticipantTask

All Implemented Interfaces:

Runnable, java.util.concurrent.Future, java.util.concurrent.RunnableFuture, TimeConstants, FutureObserver.ObservableFuture

class ParticipantTask
extends RetryTask

A ParticipantTask is a general task which interacts with a participant.

Author:

Sun Microsystems, Inc.

See Also:

TransactionParticipant

Field Summary

Fields

Modifier and Type	Field and Description
(package private) ParticipantHandle	handle
(package private) Job	myjob
private static Logger	operationsLogger

Fields inherited from class org.apache.river.thread.RetryTask

logger

Fields inherited from interface org.apache.river.constants.TimeConstants

DAYS, HOURS, MINUTES, SECONDS

Constructor Summary

Constructors

Constructor and Description
ParticipantTask(java.util.concurrent.ExecutorService manager, WakeupManager wm, Job myjob, ParticipantHandle handle) Constructs a ParticipantTask.

Method Summary

Modifier and Type	Method and Description
boolean	runAfter(List list, int max) Inherit doc comment from supertype.
boolean	tryOnce() Make a single attempt.

Methods inherited from class org.apache.river.thread.RetryTask

addObserver, attempt, cancel, get, get, isCancelled, isDone, retryTime, run, startTime, waitFor

Methods inherited from class java.lang.Object

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

Field Detail

handle

final ParticipantHandle handle

myjob

final Job myjob

operationsLogger

private static final Logger operationsLogger

Constructor Detail

ParticipantTask

public ParticipantTask(java.util.concurrent.ExecutorService manager,
                       WakeupManager wm,
                       Job myjob,
                       ParticipantHandle handle)

Constructs a ParticipantTask.

Parameters:

manager - TaskManager providing the threads of execution.

myjob - Job to which this task belongs.

handle - ParticipantHandle representing the TransactionParticipant with which this task interacts.

Method Detail

runAfter

public boolean runAfter(List list,
                        int max)

Inherit doc comment from supertype.

See Also:

RetryTask

tryOnce

public boolean tryOnce()

Description copied from class: RetryTask

Make a single attempt. Return true if the attempt was successful. If the attempt is not successful, the task will be scheduled for a future retry.

Specified by:

tryOnce in class RetryTask