org.teiid.spring.autoconfigure.DelegatingPlatformTransactionManager Maven / Gradle / Ivy
/*
* Copyright 2012-2017 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.teiid.spring.autoconfigure;
import java.util.List;
import org.springframework.data.transaction.ChainedTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionException;
import org.springframework.transaction.TransactionStatus;
import org.springframework.util.Assert;
public class DelegatingPlatformTransactionManager implements PlatformTransactionManager {
private List tms;
private ChainedTransactionManager delegate;
@Override
public TransactionStatus getTransaction(TransactionDefinition definition) throws TransactionException {
check();
return this.delegate.getTransaction(definition);
}
@Override
public void commit(TransactionStatus status) throws TransactionException {
check();
this.delegate.commit(status);
}
@Override
public void rollback(TransactionStatus status) throws TransactionException {
check();
this.delegate.rollback(status);
}
// do not make copy, use same reference as the PlatformTransactionManagerAdapter
// can keep adding the data sources.
void setTransactionManagers(List tms) {
this.tms = tms;
}
void check() throws TransactionException {
if (this.delegate == null) {
Assert.notNull(tms, "No registered data sources found");
Assert.isTrue(!tms.isEmpty(), "No registered data sources found");
this.delegate = new ChainedTransactionManager(tms.toArray(new PlatformTransactionManager[tms.size()]));
}
}
}