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package org.eclipse.jetty.util.component;
//========================================================================
//Copyright (c) 2006-2012 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//All rights reserved. This program and the accompanying materials
//are made available under the terms of the Eclipse Public License v1.0
//and Apache License v2.0 which accompanies this distribution.
//The Eclipse Public License is available at
//http://www.eclipse.org/legal/epl-v10.html
//The Apache License v2.0 is available at
//http://www.opensource.org/licenses/apache2.0.php
//You may elect to redistribute this code under either of these licenses.
//========================================================================
import java.io.IOException;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.Assert;
import org.eclipse.jetty.util.TypeUtil;
import org.junit.Test;
public class AggregateLifeCycleTest
{
@Test
public void testStartStopDestroy() throws Exception
{
final AtomicInteger destroyed=new AtomicInteger();
final AtomicInteger started=new AtomicInteger();
final AtomicInteger stopped=new AtomicInteger();
AggregateLifeCycle a0=new AggregateLifeCycle();
AggregateLifeCycle a1=new AggregateLifeCycle()
{
@Override
protected void doStart() throws Exception
{
started.incrementAndGet();
super.doStart();
}
@Override
protected void doStop() throws Exception
{
stopped.incrementAndGet();
super.doStop();
}
@Override
public void destroy()
{
destroyed.incrementAndGet();
super.destroy();
}
};
a0.addBean(a1);
a0.start();
Assert.assertEquals(1,started.get());
Assert.assertEquals(0,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.start();
Assert.assertEquals(1,started.get());
Assert.assertEquals(0,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.stop();
Assert.assertEquals(1,started.get());
Assert.assertEquals(1,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.start();
Assert.assertEquals(2,started.get());
Assert.assertEquals(1,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.stop();
Assert.assertEquals(2,started.get());
Assert.assertEquals(2,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.destroy();
Assert.assertEquals(2,started.get());
Assert.assertEquals(2,stopped.get());
Assert.assertEquals(1,destroyed.get());
a0.start();
Assert.assertEquals(2,started.get());
Assert.assertEquals(2,stopped.get());
Assert.assertEquals(1,destroyed.get());
a0.addBean(a1);
a0.start();
Assert.assertEquals(3,started.get());
Assert.assertEquals(2,stopped.get());
Assert.assertEquals(1,destroyed.get());
a0.removeBean(a1);
a0.stop();
a0.destroy();
Assert.assertEquals(3,started.get());
Assert.assertEquals(2,stopped.get());
Assert.assertEquals(1,destroyed.get());
a1.stop();
Assert.assertEquals(3,started.get());
Assert.assertEquals(3,stopped.get());
Assert.assertEquals(1,destroyed.get());
a1.destroy();
Assert.assertEquals(3,started.get());
Assert.assertEquals(3,stopped.get());
Assert.assertEquals(2,destroyed.get());
}
@Test
public void testDisJoint() throws Exception
{
final AtomicInteger destroyed=new AtomicInteger();
final AtomicInteger started=new AtomicInteger();
final AtomicInteger stopped=new AtomicInteger();
AggregateLifeCycle a0=new AggregateLifeCycle();
AggregateLifeCycle a1=new AggregateLifeCycle()
{
@Override
protected void doStart() throws Exception
{
started.incrementAndGet();
super.doStart();
}
@Override
protected void doStop() throws Exception
{
stopped.incrementAndGet();
super.doStop();
}
@Override
public void destroy()
{
destroyed.incrementAndGet();
super.destroy();
}
};
// Start the a1 bean before adding, makes it auto disjoint
a1.start();
// Now add it
a0.addBean(a1);
Assert.assertFalse(a0.isManaged(a1));
a0.start();
Assert.assertEquals(1,started.get());
Assert.assertEquals(0,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.start();
Assert.assertEquals(1,started.get());
Assert.assertEquals(0,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.stop();
Assert.assertEquals(1,started.get());
Assert.assertEquals(0,stopped.get());
Assert.assertEquals(0,destroyed.get());
a1.stop();
Assert.assertEquals(1,started.get());
Assert.assertEquals(1,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.start();
Assert.assertEquals(1,started.get());
Assert.assertEquals(1,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.manage(a1);
Assert.assertTrue(a0.isManaged(a1));
a0.stop();
Assert.assertEquals(1,started.get());
Assert.assertEquals(1,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.start();
Assert.assertEquals(2,started.get());
Assert.assertEquals(1,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.stop();
Assert.assertEquals(2,started.get());
Assert.assertEquals(2,stopped.get());
Assert.assertEquals(0,destroyed.get());
a0.unmanage(a1);
Assert.assertFalse(a0.isManaged(a1));
a0.destroy();
Assert.assertEquals(2,started.get());
Assert.assertEquals(2,stopped.get());
Assert.assertEquals(0,destroyed.get());
a1.destroy();
Assert.assertEquals(2,started.get());
Assert.assertEquals(2,stopped.get());
Assert.assertEquals(1,destroyed.get());
}
@Test
public void testDumpable()
{
AggregateLifeCycle a0 = new AggregateLifeCycle();
a0.dumpStdErr();
System.err.println("--");
AggregateLifeCycle aa0 = new AggregateLifeCycle();
a0.addBean(aa0);
a0.dumpStdErr();
System.err.println("--");
AggregateLifeCycle aa1 = new AggregateLifeCycle();
a0.addBean(aa1);
a0.dumpStdErr();
System.err.println("--");
AggregateLifeCycle aaa0 = new AggregateLifeCycle();
aa0.addBean(aaa0);
a0.dumpStdErr();
System.err.println("--");
AggregateLifeCycle aa10 = new AggregateLifeCycle();
aa1.addBean(aa10);
a0.dumpStdErr();
System.err.println("--");
final AggregateLifeCycle a1 = new AggregateLifeCycle();
final AggregateLifeCycle a2 = new AggregateLifeCycle();
final AggregateLifeCycle a3 = new AggregateLifeCycle();
final AggregateLifeCycle a4 = new AggregateLifeCycle();
AggregateLifeCycle aa = new AggregateLifeCycle()
{
@Override
public void dump(Appendable out, String indent) throws IOException
{
out.append(this.toString()).append("\n");
dump(out,indent,TypeUtil.asList(new Object[]{a1,a2}),TypeUtil.asList(new Object[]{a3,a4}));
}
};
a0.addBean(aa);
a0.dumpStdErr();
System.err.println("--");
a2.addBean(aa0);
a0.dumpStdErr();
System.err.println("--");
a0.unmanage(aa);
a2.unmanage(aa0);
a0.dumpStdErr();
}
}
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