org.apache.openjpa.jdbc.kernel.JDBC3SavepointManager Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.openjpa.jdbc.kernel;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Savepoint;
import org.apache.openjpa.kernel.Broker;
import org.apache.openjpa.kernel.SavepointManager;
import org.apache.openjpa.lib.util.Localizer;
import org.apache.openjpa.util.UserException;
/**
* {@link SavepointManager} implementation that uses JDBC 3 savepoints
* to store state. This plugin has the side effect of triggering
* a flush on the {@link Broker}.
*
* Note that this plugin requires a database and JDBC driver which
* supports JDBC 3 savepoints
*
* @author Steve Kim
* @since 0.3.4
*/
public class JDBC3SavepointManager
extends AbstractJDBCSavepointManager {
private static final Localizer _loc = Localizer.forPackage
(JDBC3SavepointManager.class);
@Override
protected void rollbackDataStore(ConnectionSavepoint savepoint) {
try {
Connection conn = savepoint.getConnection();
conn.rollback((Savepoint) savepoint.getDataStoreSavepoint());
} catch (SQLException sqe) {
throw new UserException(_loc.get("error-rollback",
savepoint.getName()), sqe);
}
}
@Override
protected void setDataStore(ConnectionSavepoint savepoint) {
try {
Connection conn = savepoint.getConnection();
savepoint.setDataStoreSavepoint(conn.setSavepoint
(savepoint.getName()));
} catch (SQLException sqe) {
throw new UserException(_loc.get("error-save",
savepoint.getName()), sqe);
}
}
}