/*
* Copyright 2013 Robert von Burg <eitch@eitchnet.ch>
*
* 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 li.strolch.persistence.postgresql;
import java.sql.Connection;
import li.strolch.agent.api.StrolchRealm;
import li.strolch.persistence.api.AbstractTransaction;
import li.strolch.persistence.api.ActivityDao;
import li.strolch.persistence.api.AuditDao;
import li.strolch.persistence.api.OrderDao;
import li.strolch.persistence.api.PersistenceHandler;
import li.strolch.persistence.api.ResourceDao;
import li.strolch.persistence.api.TransactionResult;
import li.strolch.privilege.model.Certificate;
import li.strolch.runtime.privilege.PrivilegeHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class PostgreSqlStrolchTransaction extends AbstractTransaction {
private static final Logger logger = LoggerFactory.getLogger(PostgreSqlStrolchTransaction.class);
private PostgreSqlPersistenceHandler persistenceHandler;
private PostgreSqlOrderDao orderDao;
private PostgreSqlResourceDao resourceDao;
private PostgreSqlActivityDao activityDao;
private AuditDao auditDao;
private Connection connection;
public PostgreSqlStrolchTransaction(PrivilegeHandler privilegeHandler, StrolchRealm realm, Certificate certificate,
String action, PostgreSqlPersistenceHandler persistenceHandler) {
super(privilegeHandler, realm, certificate, action);
this.persistenceHandler = persistenceHandler;
}
@Override
protected void writeChanges(TransactionResult txResult) throws Exception {
// first perform DAOs
if (this.orderDao != null)
this.orderDao.commit(txResult);
if (this.resourceDao != null)
this.resourceDao.commit(txResult);
// don't commit the connection, this is done in postCommit when we close the connection
}
@Override
protected void rollback(TransactionResult txResult) throws Exception {
if (this.connection != null) {
try {
this.connection.rollback();
} finally {
try {
this.connection.close();
} catch (Exception e) {
logger.error("Failed to close connection due to " + e.getMessage(), e); //$NON-NLS-1$
}
}
}
}
@Override
protected void commit() throws Exception {
if (this.connection != null) {
this.connection.commit();
this.connection.close();
}
}
OrderDao getOrderDao() {
if (this.orderDao == null)
this.orderDao = new PostgreSqlOrderDao(this);
return this.orderDao;
}
ResourceDao getResourceDao() {
if (this.resourceDao == null)
this.resourceDao = new PostgreSqlResourceDao(this);
return this.resourceDao;
}
ActivityDao getActivityDao() {
if (this.activityDao == null)
this.activityDao = new PostgreSqlActivityDao(this);
return this.activityDao;
}
public AuditDao getAuditDao() {
if (this.auditDao == null)
this.auditDao = new PostgreSqlAuditDao(this);
return this.auditDao;
}
Connection getConnection() {
if (this.connection == null) {
this.connection = this.persistenceHandler.getConnection(getRealm().getRealm());
}
return this.connection;
}
@Override
public PersistenceHandler getPersistenceHandler() {
return this.persistenceHandler;
}
}