1 files changed, 37 insertions, 0 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/JpaSelection.java b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/JpaSelection.java
new file mode 100644
index 0000000000..c923923e2a
--- /dev/null
+++ b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/selection/JpaSelection.java
@@ -0,0 +1,37 @@
+/*******************************************************************************
+ *  Copyright (c) 2007, 2008 Oracle.
+ *  All rights reserved.  This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ *
+ *  Contributors:
+ *  	Oracle - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jpt.ui.internal.selection;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jpt.core.JpaStructureNode;
+
+@SuppressWarnings("nls")
+public interface JpaSelection extends ISelection
+{
+	static JpaSelection NULL_SELECTION =
+		new JpaSelection() {
+			public JpaStructureNode getSelectedNode() {
+				return null;
+			}
+
+			public boolean isEmpty() {
+				return true;
+			}
+
+			@Override
+			public String toString() {
+				return "NULL SELECTION";
+			}
+		};
+
+
+	JpaStructureNode getSelectedNode();
+}