/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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 or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.nutsnbolts.spring.remote;
import java.io.IOException;
import java.rmi.RemoteException;
import java.rmi.activation.ActivationException;
import java.rmi.activation.ActivationGroup;
import java.rmi.activation.ActivationSystem;
import java.util.concurrent.atomic.AtomicBoolean;
import org.springframework.beans.factory.InitializingBean;
public class RMIDaemonInitializingBean implements InitializingBean {
private AtomicBoolean stopped = new AtomicBoolean(false);
private ActivationSystem activationSystem;
private long retryDelayMilliseconds;
private int maxAttempts;
public void setMaxAttempts (int maxAttempts) {
this.maxAttempts = maxAttempts;
}
public void setRetryDelayMilliseconds (long retryDelayMilliseconds) {
this.retryDelayMilliseconds = retryDelayMilliseconds;
}
@Override
public void afterPropertiesSet ()
throws IOException, InterruptedException {
int retryCount = 0;
do {
try {
activationSystem = ActivationGroup.getSystem();
}
catch (ActivationException a) {
if (retryCount++ == maxAttempts) {
throw new IOException("Unable to bind the rmi daemon");
}
Runtime.getRuntime().exec("rmid");
Thread.sleep(retryDelayMilliseconds);
}
} while (activationSystem == null);
}
public void stop ()
throws RemoteException {
if ((activationSystem != null) && stopped.compareAndSet(false, true)) {
activationSystem.shutdown();
}
}
}