| /* |
| * Copyright (c) 2010, Rickard Öberg. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.zest.library.locking; |
| |
| import org.junit.Test; |
| import org.apache.zest.api.composite.TransientComposite; |
| import org.apache.zest.api.mixin.Mixins; |
| import org.apache.zest.bootstrap.AssemblyException; |
| import org.apache.zest.bootstrap.ModuleAssembly; |
| import org.apache.zest.test.AbstractQi4jTest; |
| |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * JAVADOC |
| */ |
| public class LockingTest |
| extends AbstractQi4jTest |
| { |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| module.transients( TestComposite.class ); |
| } |
| |
| |
| @Test |
| public void testLocking() |
| throws InterruptedException |
| { |
| final TestComposite composite = module.newTransient( TestComposite.class ); |
| |
| ExecutorService executor = Executors.newFixedThreadPool( 2 ); |
| |
| executor.submit( new Runnable() |
| { |
| public void run() |
| { |
| System.out.println("Wait"); |
| try |
| { |
| composite.readAndWait(); |
| System.out.println("Wait done"); |
| } |
| catch( Throwable e ) |
| { |
| e.printStackTrace(); |
| } |
| } |
| }); |
| |
| executor.submit( new Runnable() |
| { |
| public void run() |
| { |
| System.out.println("Notify"); |
| try |
| { |
| composite.readAndNotify(); |
| } |
| catch( Throwable e ) |
| { |
| e.printStackTrace(); |
| } |
| System.out.println("Notified"); |
| } |
| }); |
| |
| executor.shutdown(); |
| System.out.println("Finished: "+executor.awaitTermination( 5000, TimeUnit.MILLISECONDS )); |
| } |
| |
| @Mixins( TestComposite.Mixin.class) |
| public interface TestComposite |
| extends TransientComposite, LockingAbstractComposite |
| { |
| void writeAndWait(); |
| |
| void readAndWait() |
| throws InterruptedException; |
| |
| void readAndNotify(); |
| |
| abstract class Mixin |
| implements TestComposite |
| { |
| @ReadLock |
| public void readAndNotify() |
| { |
| synchronized( this ) |
| { |
| this.notifyAll(); |
| } |
| } |
| |
| @ReadLock |
| public void readAndWait() |
| throws InterruptedException |
| { |
| synchronized( this ) |
| { |
| this.wait(); |
| } |
| } |
| |
| @WriteLock |
| public void writeAndWait() |
| { |
| } |
| } |
| } |
| } |