1 files changed, 67 insertions, 0 deletions
diff --git a/extraplugins/uml/org.eclipse.papyrus.uml.diagram.dnd.smart/src/org/eclipse/papyrus/uml/diagram/dnd/smart/graph/model/IUmlGraph.java b/extraplugins/uml/org.eclipse.papyrus.uml.diagram.dnd.smart/src/org/eclipse/papyrus/uml/diagram/dnd/smart/graph/model/IUmlGraph.java
new file mode 100644
index 00000000000..b3269c1449b
--- /dev/null
+++ b/extraplugins/uml/org.eclipse.papyrus.uml.diagram.dnd.smart/src/org/eclipse/papyrus/uml/diagram/dnd/smart/graph/model/IUmlGraph.java
@@ -0,0 +1,67 @@
+/*****************************************************************************
+ * Copyright (c) 2015 CEA LIST and others.
+ * 
+ * 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:
+ *   CEA LIST - Initial API and implementation
+ *   
+ *****************************************************************************/
+
+package org.eclipse.papyrus.uml.diagram.dnd.smart.graph.model;
+
+import java.util.Collection;
+
+/**
+ * Interface defining the contracts to add edge or vertex and the getter methods
+ * @author flefevre
+ *
+ */
+public interface IUmlGraph{
+	
+	/**
+	 * @param nodeEClassEReference non-null
+	 */
+	public void addVertex(NodeEClass nodeEClassEReference);
+	
+	/**
+	 * @param edgeEReference non-null ecore ereference between the source and the target
+	 * @param source non-null
+	 * @param target non-null 
+	 * @return
+	 */
+	public boolean addEdge(EdgeEReference edgeEReference, NodeEClass source, NodeEClass target);
+	
+	/**
+	 * given an Edge it should return the source NodeEClass
+	 * @param myEdgeEReference
+	 * @return
+	 */
+	public NodeEClass getSource(EdgeEReference myEdgeEReference);
+	
+	
+	/**
+	 * given an Edge it should return the target NodeEClass
+	 * @param myEdgeEReference
+	 * @return
+	 */
+	public NodeEClass getDest(EdgeEReference myEdgeEReference);
+	
+	/**
+	 * given a nodeEClass, return the collection of outgoing edges
+	 * @param nodeEClassEReference
+	 * @return
+	 */
+	public Collection<EdgeEReference> getOutEdges(NodeEClass nodeEClassEReference);
+	
+	/**
+	 * given a nodeEClass, return the collection of ingoing edges
+	 * @param nodeEClassEReference
+	 * @return
+	 */
+	public Collection<EdgeEReference> getInEdges(NodeEClass nodeEClassEReference);
+
+}