/**
* Copyright (c) 2014 - 2017 Frank Appel
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Frank Appel - initial API and implementation
*/
package com.codeaffine.test.util.util.concurrent;
import static java.util.concurrent.Executors.newSingleThreadExecutor;
import org.junit.runners.model.Statement;
class RunInThreadStatement extends Statement {
private final RunInThreadSynchronizer synchronizer;
private final Statement baseStatement;
private volatile Throwable throwable;
RunInThreadStatement( Statement baseStatement ) {
this.synchronizer = new RunInThreadSynchronizer();
this.baseStatement = baseStatement;
}
@Override
public void evaluate() throws Throwable {
synchronizer.run( newSingleThreadExecutor(), new Runnable() {
@Override
public void run() {
doEvaluate();
}
} );
rethrowProblem();
}
private void doEvaluate() {
try {
baseStatement.evaluate();
} catch( Throwable throwable ) {
this.throwable = throwable;
}
}
private void rethrowProblem() throws Throwable {
if( throwable != null ) {
throw throwable;
}
}
}