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Metro Web Services Runtime OSGi Bundle
/*
* Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.rx.rm.runtime;
import com.sun.xml.ws.api.Component;
import com.sun.xml.ws.commons.DelayedTaskManager;
import com.sun.istack.logging.Logger;
import com.sun.xml.ws.commons.ha.HaContext;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
/**
*
*/
class RedeliveryTaskExecutor {
private static final Logger LOGGER = Logger.getLogger(RedeliveryTaskExecutor.class);
private static volatile DelayedTaskManager delayedTaskManager;
private RedeliveryTaskExecutor() {
}
// This method delivers message using caller's thread. No thread switching.
public static boolean deliverUsingCurrentThread(
final ApplicationMessage message, long delay, TimeUnit timeUnit,
final MessageHandler messageHandler) {
try {
Thread.sleep(timeUnit.toMillis(delay));
} catch (InterruptedException e) {
//ignore and redeliver
}
if (LOGGER.isLoggable(Level.FINER)) {
LOGGER.finer(String.format(
"Attempting redelivery of a message with number [ %d ] on a sequence [ %s ]",
message.getMessageNumber(),
message.getSequenceId()));
}
messageHandler.putToDeliveryQueue(message);
return true;
}
// Not used anymore in favor of deliverUsingCurrentThread.
@Deprecated
public static boolean register(final ApplicationMessage message, long delay, TimeUnit timeUnit, final MessageHandler messageHandler, Component container) {
final HaContext.State state = HaContext.currentState();
if (delayedTaskManager == null) {
synchronized(RedeliveryTaskExecutor.class) {
if (delayedTaskManager == null) {
delayedTaskManager = DelayedTaskManager.createManager("redelivery-task-executor", 5, container);
}
}
}
if (LOGGER.isLoggable(Level.FINER)) {
LOGGER.finer(String.format(
"A message with number [ %d ] has been scheduled for a redelivery "
+ "on a sequence [ %s ] with a delay of %d %s "
+ "using current HA context state [ %s ]",
message.getMessageNumber(),
message.getSequenceId(),
delay,
timeUnit.toString().toLowerCase(),
state.toString()));
}
return delayedTaskManager.register(new DelayedTaskManager.DelayedTask() {
public void run(DelayedTaskManager manager) {
if (LOGGER.isLoggable(Level.FINER)) {
LOGGER.finer(String.format(
"Attempting redelivery of a message with number [ %d ] on a sequence [ %s ]",
message.getMessageNumber(),
message.getSequenceId()));
}
final HaContext.State oldState = HaContext.initFrom(state);
try {
messageHandler.putToDeliveryQueue(message);
} finally {
HaContext.initFrom(oldState);
}
}
public String getName() {
return String.format("redelivery of a message with number [ %d ] on a sequenece [ %s ]", message.getMessageNumber(), message.getSequenceId());
}
}, delay, timeUnit);
}
}