From ad0e368eeedb0454e1dd398bd84c23cbfbd692f8 Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Mon, 2 Nov 2009 22:23:40 +0000
Subject: Moving das tags

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@832150 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/tuscany/das/rdb/impl/DeleteList.java    | 77 ++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 das-java/tags/1.0-incubating-beta1-rc4/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/DeleteList.java

(limited to 'das-java/tags/1.0-incubating-beta1-rc4/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/DeleteList.java')

diff --git a/das-java/tags/1.0-incubating-beta1-rc4/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/DeleteList.java b/das-java/tags/1.0-incubating-beta1-rc4/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/DeleteList.java
new file mode 100644
index 0000000000..feb7e31411
--- /dev/null
+++ b/das-java/tags/1.0-incubating-beta1-rc4/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/DeleteList.java
@@ -0,0 +1,77 @@
+/*
+ * 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.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * DeleteList will sort delete operations so that child objects are deleted before their parents
+ * 
+ * 
+ */
+public class DeleteList {
+
+    private Map opsByTableName = new HashMap();
+
+    private List order;
+
+    private List deleteOperations = new ArrayList();
+
+    public DeleteList() {
+        super();
+    }
+
+    public void add(ChangeOperation op) {
+        if ((order.size() == 0) || (op.getTableName() == null)) {
+            deleteOperations.add(op);
+        } else {
+            String name = op.getTableName();
+            List ops = (List) opsByTableName.get(name);
+            if (ops == null) {
+                ops = new ArrayList();
+            }
+            ops.add(op);
+            opsByTableName.put(name, ops);
+        }
+    }
+
+    public Collection getSortedList() {
+        if ((order.size() > 0) && (opsByTableName.keySet().size() > 0)) {
+            Iterator i = this.order.iterator();
+            while (i.hasNext()) {
+                String name = (String) i.next();
+                if (opsByTableName.get(name) != null) {
+                    deleteOperations.addAll((Collection) opsByTableName.get(name));
+                }
+            }
+        }
+
+        return deleteOperations;
+    }
+
+    public void setOrder(List deleteOrder) {
+        this.order = deleteOrder;
+    }
+
+}
-- 
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