/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
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; version 2 of the License.
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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Jun 21, 2010
*/
package com.bigdata.rdf.load;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import junit.framework.TestCase2;
import com.bigdata.io.SerializerUtil;
import com.bigdata.service.ClientService;
/**
* This is a test suite for the {@link ReentrantLock} deserialization pattern
* used by the {@link MappedRDFFileLoadTask} when it executes on a remote
* {@link ClientService}.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
*/
public class TestLockDeserialization extends TestCase2 {
/**
*
*/
public TestLockDeserialization() {
}
/**
* @param name
*/
public TestLockDeserialization(String name) {
super(name);
}
/**
* A {@link Serializable} class with a {@link ReentrantLock}, a
* {@link Condition}s, and a boolean condition variable. Only the boolean
* condition variable state is actually serialized. The rest of the state of
* the class is restored when it is deserialized.
*/
private static class C implements Serializable {
/**
* Some mock state.
*/
private final int state;
/**
* The lock protecting the {@link #cond Condition} and the
* {@link #condVar condition variable}.
*/
private transient Lock lock;
private transient Condition cond;
/**
* The condition variable.
*/
private boolean condVar = false;
public C(final int state) {
this.state = state;
}
private void readObject(final ObjectInputStream in) throws IOException,
ClassNotFoundException {
log.info("Overriding readObject.");
in.defaultReadObject();
lock = new ReentrantLock();
cond = lock.newCondition();
}
}
public void test_serialization() {
final C expected = new C(1);
final C actual = (C) SerializerUtil.deserialize(SerializerUtil
.serialize(expected));
assertTrue(expected != actual);
assertEquals("state", expected.state, actual.state);
assertEquals("condVar", expected.condVar, actual.condVar);
assertNotNull(actual.lock);
assertNotNull(actual.cond);
assertTrue(expected.lock != actual.lock);
}
}