/*
* Copyright 2002-2010 the original author or authors.
*
* 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.springframework.transaction.interceptor;
import java.io.Serializable;
import java.lang.reflect.Method;
import org.springframework.util.Assert;
/**
* Composite {@link TransactionAttributeSource} implementation that iterates
* over a given array of {@link TransactionAttributeSource} instances.
*
* @author Juergen Hoeller
* @since 2.0
*/
public class CompositeTransactionAttributeSource implements TransactionAttributeSource, Serializable {
private final TransactionAttributeSource[] transactionAttributeSources;
/**
* Create a new CompositeTransactionAttributeSource for the given sources.
* @param transactionAttributeSources the TransactionAttributeSource instances to combine
*/
public CompositeTransactionAttributeSource(TransactionAttributeSource[] transactionAttributeSources) {
Assert.notNull(transactionAttributeSources, "TransactionAttributeSource array must not be null");
this.transactionAttributeSources = transactionAttributeSources;
}
/**
* Return the TransactionAttributeSource instances that this
* CompositeTransactionAttributeSource combines.
*/
public final TransactionAttributeSource[] getTransactionAttributeSources() {
return this.transactionAttributeSources;
}
public TransactionAttribute getTransactionAttribute(Method method, Class<?> targetClass) {
for (TransactionAttributeSource tas : this.transactionAttributeSources) {
TransactionAttribute ta = tas.getTransactionAttribute(method, targetClass);
if (ta != null) {
return ta;
}
}
return null;
}
}
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