org.apache.river.mahalo

Class SettlerTask

java.lang.Object

org.apache.river.thread.RetryTask

org.apache.river.mahalo.SettlerTask

All Implemented Interfaces:

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

class SettlerTask
extends RetryTask
implements TransactionConstants

A SettlerTask is scheduled task, which causes an unsettled transaction to settle.

Author:

Sun Microsystems, Inc.

Field Summary

Fields

Modifier and Type	Field and Description
private static Logger	operationsLogger Logger for operations related messages
private long	tid
private static Logger	transactionsLogger Logger for transactions related messages
private TransactionManager	txnmgr

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

logger

Fields inherited from interface net.jini.core.transaction.server.TransactionConstants

ABORTED, ACTIVE, COMMITTED, NOTCHANGED, PREPARED, VOTING

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

DAYS, HOURS, MINUTES, SECONDS

Constructor Summary

Constructors

Constructor and Description
SettlerTask(java.util.concurrent.ExecutorService manager, WakeupManager wm, TransactionManager txnmgr, long tid) Constructs a SettlerTask.

Method Summary

Modifier and Type	Method and Description
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

tid

private final long tid

txnmgr

private final TransactionManager txnmgr

operationsLogger

private static final Logger operationsLogger

Logger for operations related messages

transactionsLogger

private static final Logger transactionsLogger

Logger for transactions related messages

Constructor Detail

SettlerTask

SettlerTask(java.util.concurrent.ExecutorService manager,
            WakeupManager wm,
            TransactionManager txnmgr,
            long tid)

Constructs a SettlerTask.

Parameters:

manager - TaskManager providing the threads of execution.

txnmgr - TransactionManager which owns the the transaction.

tid - transaction ID

Method Detail

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