--- /dev/null
+/*\r
+\r
+ Derby - Class org.apache.derby.iapi.types.CloneableObject\r
+\r
+ Licensed to the Apache Software Foundation (ASF) under one or more\r
+ contributor license agreements. See the NOTICE file distributed with\r
+ this work for additional information regarding copyright ownership.\r
+ The ASF licenses this file to you under the Apache License, Version 2.0\r
+ (the "License"); you may not use this file except in compliance with\r
+ the License. You may obtain a copy of the License at\r
+\r
+ http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+ Unless required by applicable law or agreed to in writing, software\r
+ distributed under the License is distributed on an "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ See the License for the specific language governing permissions and\r
+ limitations under the License.\r
+\r
+ */\r
+\r
+package org.apache.derby.iapi.types;\r
+\r
+/**\r
+ * This is a simple interface that is used by the\r
+ * sorter for cloning input rows. It defines\r
+ * a method that can be used to clone a column.\r
+ */\r
+public interface CloneableObject\r
+{\r
+ /**\r
+ * Get a shallow copy of the object and return\r
+ * it. This is used by the sorter to clone\r
+ * columns. It should be cloning the column\r
+ * holder but not its value. The only difference\r
+ * between this method and getClone is this one does\r
+ * not objectify a stream.\r
+ *\r
+ * @return new cloned column as an object\r
+ */\r
+ public Object cloneObject();\r
+}\r