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diff --git a/das-java/branches/das-java-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandImpl.java b/das-java/branches/das-java-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandImpl.java
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+++ b/das-java/branches/das-java-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/CommandImpl.java
@@ -0,0 +1,99 @@
+/*
+ * 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.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.List;
+
+import org.apache.tuscany.das.rdb.Command;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.XSDHelper;
+
+public abstract class CommandImpl extends BaseCommandImpl implements Command {
+    
+    protected Statement statement;
+
+    protected Parameters parameters = new Parameters();
+
+   
+
+    protected ResultSetShape resultSetShape;
+
+    public CommandImpl(String sqlString) {
+        statement = new Statement(sqlString);
+
+        try {
+            URL url = getClass().getResource("/xml/sdoJava.xsd");
+            if (url == null) {
+                throw new RuntimeException("Could not find resource: xml/sdoJava.xsd");
+            }
+
+            InputStream inputStream = url.openStream();
+            XSDHelper.INSTANCE.define(inputStream, url.toString());
+            inputStream.close();
+        } catch (IOException ex) {
+            throw new RuntimeException(ex);
+        }
+
+    }
+
+    public abstract void execute();
+
+    public abstract DataObject executeQuery();
+
+    public void setParameter(int index, Object value) {
+        parameters.setParameter(index, value);
+    }
+
+    public void addParameter(ParameterImpl param) {
+        parameters.add(param);
+    }
+
+    public List getParameters() {
+        return parameters.parameterList();
+    }
+
+    public Object getParameter(int index) {
+        return parameters.parameterWithIndex(index).getValue();
+    }
+
+    public void setConnection(ConnectionImpl connection) {
+        statement.setConnection(connection);
+    }
+
+    protected ConnectionImpl getConnection() {
+        return statement.getConnection();
+    }
+
+    /*
+     * The default impl is to throw an exception. This is overridden by InsertCommandImpl
+     */
+    public int getGeneratedKey() {
+
+        throw new RuntimeException("This method is only valid for insert commands");
+    }
+
+    public void close() {
+        statement.close();
+    }
+
+}