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-rw-r--r--sca-java-1.x/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/InsertList.java80
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diff --git a/sca-java-1.x/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/InsertList.java b/sca-java-1.x/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/InsertList.java
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index 0000000000..ba86107247
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/impl/InsertList.java
@@ -0,0 +1,80 @@
+/**
+ *
+ * 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;
+
+import org.apache.tuscany.das.rdb.util.DebugUtil;
+
+/**
+ * InsertList will sort ChangeOperation objects so that parents are inserted
+ * before children
+ *
+ *
+ */
+public class InsertList {
+
+ private HashMap opsByTableName = new HashMap();
+
+ private ArrayList insertOperations = new ArrayList();
+
+ private ArrayList order;
+
+ private static final boolean debug = false;
+
+ public void add(ChangeOperation op) {
+ DebugUtil.debugln(getClass(), debug, "Adding insert operation ");
+ if ((order.size() == 0) || (op.getTableName() == null)) {
+ insertOperations.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() {
+ DebugUtil.debugln(getClass(), debug, "Getting sorted insert list");
+ if ((order.size() > 0) && opsByTableName.keySet().size() > 0) {
+ Iterator i = this.order.iterator();
+ while (i.hasNext()) {
+ String name = (String) i.next();
+ DebugUtil.debugln(getClass(), debug,
+ "Adding operations for table " + name);
+ // TODO - KJW added null check ... Brent to verify.
+ if (opsByTableName.get(name) != null)
+ insertOperations.addAll((Collection) opsByTableName
+ .get(name));
+ }
+ }
+ DebugUtil.debugln(getClass(), debug, "Returning "
+ + insertOperations.size() + " insert operations");
+ return insertOperations;
+ }
+
+ public void setOrder(ArrayList insertOrder) {
+ this.order = insertOrder;
+ }
+
+}