/*
* ModeShape (http://www.modeshape.org)
*
* 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.modeshape.test.integration;
import javax.ejb.Stateless;
import javax.ejb.TransactionAttribute;
import javax.ejb.TransactionAttributeType;
import org.modeshape.jcr.JcrRepository;
/**
* SLSB which execute a {@link org.modeshape.test.integration.RepositoryOperation} in a separate transaction
*
* @author Horia Chiorean (hchiorea@redhat.com)
* @param <V> the return type of the {@link org.modeshape.test.integration.RepositoryOperation}
*/
@Stateless
public class TransactionalOperationExecutor<V> {
/**
* Execute the given operation in a new transaction.
*
* @param repository a {@link org.modeshape.jcr.JcrRepository} instance; never {@code null}
* @param operation a {@link org.modeshape.test.integration.RepositoryOperation} instance; never {@code null}
* @return the result of the operation {@link org.modeshape.test.integration.RepositoryOperation#execute(org.modeshape.jcr.JcrRepository)}
* @throws Exception if anything unexpected fails
*/
@TransactionAttribute( TransactionAttributeType.REQUIRES_NEW )
public V execute(final JcrRepository repository, final RepositoryOperation<V> operation ) throws Exception {
return operation.execute(repository);
}
}