1 files changed, 125 insertions, 0 deletions
diff --git a/das-java/branches/das-java-beta1/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ConnectionImpl.java b/das-java/branches/das-java-beta1/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ConnectionImpl.java
new file mode 100644
index 0000000000..76baa8ca0d
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+++ b/das-java/branches/das-java-beta1/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;
+    }
+}