1 files changed, 72 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/DeleteList.java b/sca-java-1.x/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/DeleteList.java
new file mode 100644
index 0000000000..8650c6119c
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/DeleteList.java
@@ -0,0 +1,72 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed 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.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+
+/**
+ * DeleteList will sort delete operations so that child objects are deleted
+ * before their parents
+ * 
+ * 
+ */
+public class DeleteList {
+
+	private HashMap opsByTableName = new HashMap();
+
+	private ArrayList order;
+	
+	private ArrayList deleteOperations = new ArrayList();
+
+	public DeleteList() {
+		super();
+	}
+
+	public void add(ChangeOperation op) {
+		if (( order == null  ) || ( op.getTableName() == null ) ) {
+			deleteOperations.add(op);
+		} else {
+			String name = op.getTableName();
+			ArrayList ops = (ArrayList) opsByTableName.get(name);
+			if (ops == null)
+				ops = new ArrayList();
+
+			ops.add(op);
+			opsByTableName.put(name, ops);
+		}
+	}
+
+	public Collection getSortedList() {
+		if  (( order != null  ) && ( opsByTableName.keySet().size() > 0) ) {
+			Iterator i = this.order.iterator();
+			while (i.hasNext()) {
+				String name = (String) i.next();
+				deleteOperations.addAll((Collection) opsByTableName.get(name));
+			}
+		}
+		
+		return deleteOperations;
+	}
+
+	public void setOrder(ArrayList deleteOrder) {
+		this.order = deleteOrder;
+	}
+
+}