/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.host.controller;
import java.util.concurrent.TimeUnit;
/**
* Policy used to automatically try to reconnect to a crashed master HC.
*
* @author Emanuel Muckenhuber
*/
interface ReconnectPolicy {
/**
* Respawn a process.
*
* @param count
*/
void wait(int count) throws InterruptedException;
ReconnectPolicy CONNECT = new ReconnectPolicy() {
@Override
public void wait(int count) throws InterruptedException {
final int waitPeriod;
if (count < 5) {
waitPeriod = 1;
} else if (count >= 5 && count < 10) {
waitPeriod = 3;
} else if (count >= 10 && count < 15) {
waitPeriod = 10;
} else {
waitPeriod = 20;
}
TimeUnit.SECONDS.sleep(waitPeriod);
}
};
ReconnectPolicy RECONNECT = new ReconnectPolicy() {
private static final int MAX_WAIT = 15;
@Override
public void wait(final int count) throws InterruptedException {
final int waitPeriod = Math.min((count * count), MAX_WAIT);
TimeUnit.SECONDS.sleep(waitPeriod);
}
};
}