From ad0e368eeedb0454e1dd398bd84c23cbfbd692f8 Mon Sep 17 00:00:00 2001 From: lresende Date: Mon, 2 Nov 2009 22:23:40 +0000 Subject: Moving das tags git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@832150 13f79535-47bb-0310-9956-ffa450edef68 --- .../tuscany/das/rdb/impl/ConnectionImpl.java | 125 +++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ConnectionImpl.java (limited to 'das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ConnectionImpl.java') diff --git a/das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ConnectionImpl.java b/das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ConnectionImpl.java new file mode 100644 index 0000000000..76baa8ca0d --- /dev/null +++ b/das-java/tags/1.0-incubating-beta1-rc1/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ConnectionImpl.java @@ -0,0 +1,125 @@ +/* + * 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; + } +} -- cgit v1.2.3