1 files changed, 165 insertions, 0 deletions
diff --git a/das-java/branches/das-java-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/WriteCommandImpl.java b/das-java/branches/das-java-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/WriteCommandImpl.java
new file mode 100644
index 0000000000..5ce2ed6992
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+++ b/das-java/branches/das-java-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/WriteCommandImpl.java
@@ -0,0 +1,165 @@
+/*
+ * 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.OutputStream;
+import java.sql.SQLException;
+import java.util.List;
+import java.util.TreeMap;
+
+import org.apache.tuscany.das.rdb.config.Config;
+import org.apache.tuscany.das.rdb.config.ResultDescriptor;
+import org.apache.tuscany.das.rdb.config.impl.ParameterImpl;
+import org.apache.tuscany.das.rdb.config.Parameters;
+
+import commonj.sdo.DataObject;
+
+public abstract class WriteCommandImpl extends CommandImpl {
+
+	public WriteCommandImpl(org.apache.tuscany.das.rdb.config.Command command) {
+		super(command);
+	}
+	
+    public WriteCommandImpl(String sqlString) {
+        super(sqlString);
+    }
+
+    public void setResultDescriptors(List resultDescriptorList){
+    	//ignore , applicable for ReadCommand only
+    }
+    
+    public List getResultDescriptors(){
+    	//ignore, applicable for ReadCommand only
+    	return null;
+    }
+    
+    public void addResultDescriptor(ResultDescriptor resultDescriptor){
+    	//ignore
+    }
+    
+
+    public ResultDescriptor removeResultDescriptor(int index){
+    	return null;
+    }
+    
+    public ResultDescriptor removeResultDescriptor(ResultDescriptor resultDescriptor){
+    	return null;
+    }
+    
+    public ResultDescriptor getResultDescriptor(int index){
+    	return null;
+    }
+    
+    public void printResultDescriptors(OutputStream ostrm) throws IOException{
+    //ignore	
+    }
+    
+    public void execute() {
+
+        boolean success = false;
+        try {
+            basicExecute();
+            success = true;
+        } finally {
+            if (success) {
+                statement.getConnection().cleanUp();
+            } else {
+                statement.getConnection().errorCleanUp();
+            }
+        }
+
+    }
+
+    public void basicExecute() {
+        try {
+            statement.executeUpdate(parameters);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public DataObject executeQuery() {
+        throw new UnsupportedOperationException();
+    }
+
+    public Config getMappingModel() {
+        return configWrapper.getConfig();
+    }
+
+    public String toString() {
+
+        StringBuffer buffer = new StringBuffer();
+        buffer.append("\nSQL: " + statement.queryString);
+
+        return buffer.toString();
+    }
+
+    public int getGeneratedKey() {
+        throw new RuntimeException("No generated key is available");
+    }
+
+    //it is acceptable if params having index set by caller are listed in any order in Parameters
+    //but, if index is not set by caller, the order of parameters in Parameters should be in sync
+    //with the Command string parameters
+    protected void addParameters(Parameters parameters) {
+    	List params = parameters.getParameter();
+    	if(params == null) 
+    		return;
+
+    	boolean paramsIndexed = true;
+    	TreeMap sortedParams = null;
+    	for(int i=0; i<params.size(); i++){
+    		if(((ParameterImpl)params.get(i)).getIndex() <= 0){
+    			paramsIndexed=false; //any index not set, ignore all externally set indexes and do auto indexing
+    			break;
+    		}    		
+    	}
+    
+    	//auto-indexing
+    	if(!paramsIndexed) {
+    		for(int i=0; i<params.size(); i++){
+    			ParameterExtendedImpl param = new ParameterExtendedImpl((ParameterImpl)params.get(i));
+    			param.setIndex(i+1);
+    			this.addParameter(param);
+    		}
+    		return;
+    	}
+    	else {//dont allow duplicates and check indexing with +1 increment from 1st to last param
+    		sortedParams = new TreeMap();
+    		for(int i=0; i<params.size(); i++){    			
+    			ParameterImpl existingParam = (ParameterImpl)sortedParams.put( new Integer(((ParameterImpl)params.get(i)).getIndex()), ((ParameterImpl)params.get(i)));
+    			if(existingParam != null) {
+    				throw new RuntimeException("Parameters with duplicate indexes!");
+    			}
+    		}
+
+    		if( ((Integer)sortedParams.firstKey()).intValue() + sortedParams.size() -1 != 
+    			((Integer)sortedParams.lastKey()).intValue()) {
+    			throw new RuntimeException("Parameters with improper indexes!");
+    		}
+    	}
+    	    	
+    	for(int i=0; i<params.size(); i++) {
+    		ParameterExtendedImpl param = new ParameterExtendedImpl((ParameterImpl)params.get(i));    		
+    		param.setIndex(((ParameterImpl)params.get(i)).getIndex());
+    		this.addParameter(param);
+    	}
+    }    
+}