1 files changed, 57 insertions, 0 deletions
diff --git a/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/OrderedDataSource.java b/projects/net.wotonomy.persistence/src/main/java/net/wotonomy/control/OrderedDataSource.java
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+/*
+Wotonomy: OpenStep design patterns for pure Java applications.
+Copyright (C) 2001 Intersect Software Corporation
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, see http://www.gnu.org
+*/
+
+package net.wotonomy.control;
+
+/**
+* A simple extension of EODataSource that 
+* allows for indexed insertion.  The wotonomy
+* implementation of EODisplayGroup supports 
+* this and will use it if possible.  This is
+* useful for classes like the PropertyDataSource,
+* where the ordering of items in an indexed 
+* property may be important.
+*
+* @author michael@mpowers.net
+* @author $Author: cgruber $
+* @version $Revision: 893 $
+*/
+public abstract class OrderedDataSource extends EODataSource
+{
+    /**
+    * Inserts the specified object into this data source,
+    * at the specified index.
+    */
+    public abstract void insertObjectAtIndex ( 
+        Object anObject, int anIndex );
+}
+
+/*
+ * $Log$
+ * Revision 1.1  2006/02/16 13:19:57  cgruber
+ * Check in all sources in eclipse-friendly maven-enabled packages.
+ *
+ * Revision 1.2  2003/08/06 23:07:52  chochos
+ * general code cleanup (mostly, removing unused imports)
+ *
+ * Revision 1.1  2001/01/24 14:10:53  mpowers
+ * Contributing OrderedDataSource, and PropertyDataSource extends it.
+ *
+ *
+ */
+