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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.tuscany.das.rdb.impl;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import org.apache.log4j.Logger;
public class ConnectionImpl {
private final Logger logger = Logger.getLogger(ConnectionImpl.class);
private Connection connection;
private boolean managingTransaction = true;
private final boolean useGetGeneratedKeys;
public ConnectionImpl(Connection connection) {
this.connection = connection;
try {
DatabaseMetaData dbmd = connection.getMetaData();
if (dbmd.getDatabaseProductName().contains("Oracle")) {
this.useGetGeneratedKeys = false;
} else {
this.useGetGeneratedKeys = true;
}
if (connection.getAutoCommit()) {
throw new RuntimeException("AutoCommit must be off");
}
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
public Connection getJDBCConnection() {
return connection;
}
public void cleanUp() {
try {
if (managingTransaction) {
if (this.logger.isDebugEnabled()) {
this.logger.debug("Committing Transaction");
}
connection.commit();
}
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
public void errorCleanUp() {
try {
if (managingTransaction) {
if (this.logger.isDebugEnabled()) {
this.logger.debug("Rolling back Transaction");
}
connection.rollback();
}
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
public PreparedStatement prepareStatement(String queryString, String[] returnKeys) throws SQLException {
if (this.logger.isDebugEnabled()) {
this.logger.debug("Preparing Statement: " + queryString);
}
if (useGetGeneratedKeys) {
return connection.prepareStatement(queryString, Statement.RETURN_GENERATED_KEYS);
} else if (returnKeys.length > 0) {
return connection.prepareStatement(queryString, returnKeys);
}
return connection.prepareStatement(queryString);
}
public PreparedStatement preparePagedStatement(String queryString) throws SQLException {
if (this.logger.isDebugEnabled()) {
this.logger.debug("Preparing Statement: " + queryString);
}
return connection.prepareStatement(queryString, ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY);
}
public void setManageTransactions(boolean manageTransactions) {
managingTransaction = manageTransactions;
}
public CallableStatement prepareCall(String queryString) throws SQLException {
return connection.prepareCall(queryString);
}
public boolean useGetGeneratedKeys() {
return this.useGetGeneratedKeys;
}
}
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