com.jn.sqlhelper.common.transaction.DefaultTransactionManager Maven / Gradle / Ivy
/*
* Copyright 2021 the original author or authors.
*
* Licensed under the Apache, 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.gnu.org/licenses/lgpl-2.0.html
*
* 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 com.jn.sqlhelper.common.transaction;
import java.sql.SQLException;
import java.util.Map;
/**
* 提供事务管理功能
* @since 3.4.3
*/
public class DefaultTransactionManager implements TransactionManager {
@Override
public Transaction createTransaction(TransactionDefinition transactionDefinition) {
return new Transaction(this, transactionDefinition);
}
@Override
public void commit(Transaction transaction) throws SQLException {
if (transaction.isRollbackOnly()) {
rollback(transaction);
return;
}
Map resourceMap = transaction.getResources();
SQLException exception = null;
for (Map.Entry resourceEntry : resourceMap.entrySet()) {
TransactionalResource resource = resourceEntry.getValue();
if (!resource.isClosed()) {
try {
resource.commit(true);
} catch (SQLException ex) {
exception = ex;
} finally {
resource.close();
}
}
}
if (exception != null) {
throw exception;
}
}
@Override
public void rollback(Transaction transaction) throws SQLException {
Map resourceMap = transaction.getResources();
SQLException exception = null;
for (Map.Entry resourceEntry : resourceMap.entrySet()) {
TransactionalResource resource = resourceEntry.getValue();
if (!resource.isClosed()) {
try {
resource.rollback();
} catch (SQLException ex) {
exception = ex;
} finally {
resource.close();
}
}
}
if (exception != null) {
throw exception;
}
}
}