package org.activityinfo.legacy.client.remote;
/*
* #%L
* ActivityInfo Server
* %%
* Copyright (C) 2009 - 2013 UNICEF
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #L%
*/
import org.activityinfo.legacy.shared.exception.RetryCountExceedsLimitException;
import org.activityinfo.legacy.shared.util.BackOff;
/**
* @author yuriyz on 10/16/2014.
*/
public class RetryCountDown {
/**
* In case CommandTimeOutException occurs (may happen if Advisory lock wasn't obtains during configurable time),
* dispatcher automatically retry command execution. With this constant it's possible to limit number of retry calls.
*/
public static final int RETRY_COUNT_LIMIT_ON_TIMEOUT = 3;
private int countDown = RETRY_COUNT_LIMIT_ON_TIMEOUT;
private BackOff backOff;
public RetryCountDown(BackOff backOff) {
this.backOff = backOff;
}
public long countDownAndGetWaitPeriod() {
countDown--;
if (countDown <= 0) {
throw new RetryCountExceedsLimitException(); // we don't want to continue retry cycles
}
return backOff.nextBackOffMillis();
}
}