1 files changed, 43 insertions, 0 deletions
diff --git a/plugins/core/org.eclipse.papyrus.navigation/src/org/eclipse/papyrus/navigation/INavigationRule.java b/plugins/core/org.eclipse.papyrus.navigation/src/org/eclipse/papyrus/navigation/INavigationRule.java
new file mode 100644
index 00000000000..c07a1347174
--- /dev/null
+++ b/plugins/core/org.eclipse.papyrus.navigation/src/org/eclipse/papyrus/navigation/INavigationRule.java
@@ -0,0 +1,43 @@
+/*****************************************************************************
+ * Copyright (c) 2010 Atos Origin.
+ *
+ *    
+ * 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:
+ *  Mathieu Velten (Atos Origin) mathieu.velten@atosorigin.com - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.navigation;
+
+import java.util.List;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * This interface defines a navigation rule.
+ * 
+ * @author mvelten
+ * 
+ */
+public interface INavigationRule {
+
+	/**
+	 * Tests if an element is supported by this rule.
+	 * 
+	 * @param element
+	 * @return
+	 */
+	public boolean handle(EObject element);
+
+	/**
+	 * Retrieve a list of the next possible navigation possibilities.
+	 * 
+	 * @param currentNavElement
+	 * @return a list of navigable elements
+	 */
+	public List<NavigableElement> getNextPossibleElements(NavigableElement currentNavElement);
+}