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/*****************************************************************************
* Copyright (c) 2014 CEA LIST and others.
*
* 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:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.junit.utils.rules;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.emf.common.command.AbstractCommand;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
/**
* This rule provides a ResourceSet with a TransactionalEditingDomain
*
* All test methods are executed within a Transaction (Which means test method
* do not need to care about transactions)
*
* This fixture is meant to be used through {@link NoTransactionRule}
*
* @author Camille Letavernier
*
* @see {@link NoTransactionRule}
*/
public class NoTransactionFixture implements TestRule {
private final ModelSetFixture modelSet;
public NoTransactionFixture(ModelSetFixture modelSet) {
this.modelSet = modelSet;
}
/**
* @see org.junit.rules.TestRule#apply(org.junit.runners.model.Statement, org.junit.runner.Description)
*
* @param arg0
* @param arg1
* @return
*/
public Statement apply(final Statement base, final Description description) {
return new Statement() {
@Override
public void evaluate() throws Throwable {
final AtomicReference<Throwable> throwable = new AtomicReference<Throwable>();
modelSet.getEditingDomain().getCommandStack().execute(new AbstractCommand() {
public void execute() {
try {
base.evaluate();
} catch (Throwable t) {
throwable.set(t);
}
}
public void redo() {
// Nothing
}
/**
* @see org.eclipse.emf.common.command.AbstractCommand#prepare()
*
* @return
*/
@Override
protected boolean prepare() {
return true;
}
});
if (throwable.get() != null) {
throw throwable.get();
}
}
};
}
public ResourceSet getResourceSet() {
return modelSet.getResourceSet();
}
}
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