1 files changed, 88 insertions, 0 deletions
diff --git a/das-java/branches/das-java-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ChangeOperation.java b/das-java/branches/das-java-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ChangeOperation.java
new file mode 100644
index 0000000000..ca44591213
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+++ b/das-java/branches/das-java-M2/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/ChangeOperation.java
@@ -0,0 +1,88 @@
+/*
+ * 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.util.Iterator;
+
+import org.apache.log4j.Logger;
+import org.apache.tuscany.das.rdb.util.LoggerFactory;
+
+import commonj.sdo.DataObject;
+
+/**
+ */
+public abstract class ChangeOperation {
+    protected DatabaseObject dObject;
+
+    protected String propagatedID;
+    
+    private final Logger logger = LoggerFactory.INSTANCE.getLogger(ChangeOperation.class);
+
+    private final WriteCommandImpl writeCommand;
+
+    private boolean isInsert;
+    
+
+    public ChangeOperation(DeleteCommandImpl command) {
+        writeCommand = command;
+    }
+
+    public ChangeOperation(InsertCommandImpl command, DataObject changedObject) {
+        writeCommand = command;
+        dObject = new DatabaseObject(command.getMappingModel(), changedObject);
+        this.isInsert = true;
+    }
+
+    public ChangeOperation(UpdateCommandImpl command, DataObject changedObject) {
+        writeCommand = command;
+        dObject = new DatabaseObject(command.getMappingModel(), changedObject);
+    }
+
+    public void execute() {
+        if (this.logger.isDebugEnabled()) {
+            this.logger.debug("Executing change operation");
+        }
+
+        Iterator i = writeCommand.getParameters().iterator();
+        while (i.hasNext()) {
+            ParameterImpl parm = (ParameterImpl) i.next();
+
+            if (this.logger.isDebugEnabled()) {
+                this.logger.debug("setting " + parm.getName() + " to " + dObject.get(parm.getName()));
+            }
+
+            parm.setValue(dObject.get(parm.getName()));
+        }
+
+        writeCommand.execute();
+
+        if (isInsert && (propagatedID != null)) {
+            if (this.logger.isDebugEnabled()) {
+                this.logger.debug("Propagating key " + propagatedID);
+            }
+            int id = writeCommand.getGeneratedKey();
+            dObject.setPropagatedID(propagatedID, id);
+        }
+    }
+
+    public String getTableName() {
+        return dObject.getTableName();
+    }
+
+}