[448739] Extends the rectilinear router to keep edges centered.

* We extend the draw2D rectilinear router to keep edges centered for
cases that could not be handled in GMF, in particular containers with
auto-size.
* Update the edge figure and the edge edit part to have the centering
information within the edge figure.
* Add new tests

Bug: 448739
Change-Id: I4cfc7ce802e026333836bb843511d167fff83e4b
Signed-off-by: Florian Barbin <florian.barbin@obeo.fr>

8 files changed, 1050 insertions, 63 deletions

diff --git a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/edit/api/part/AbstractDiagramEdgeEditPart.java b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/edit/api/part/AbstractDiagramEdgeEditPart.java
index 49b378c0e3..5ef669b5ed 100644
--- a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/edit/api/part/AbstractDiagramEdgeEditPart.java
+++ b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/edit/api/part/AbstractDiagramEdgeEditPart.java
@@ -42,7 +42,10 @@ import org.eclipse.gmf.runtime.notation.View;
 import org.eclipse.sirius.common.tools.api.util.StringUtil;
 import org.eclipse.sirius.diagram.DDiagramElement;
 import org.eclipse.sirius.diagram.DEdge;
+import org.eclipse.sirius.diagram.DiagramPackage;
+import org.eclipse.sirius.diagram.EdgeStyle;
 import org.eclipse.sirius.diagram.business.api.query.DDiagramElementQuery;
+import org.eclipse.sirius.diagram.description.CenteringStyle;
 import org.eclipse.sirius.diagram.description.tool.RequestDescription;
 import org.eclipse.sirius.diagram.ui.edit.internal.part.CommonEditPartOperation;
 import org.eclipse.sirius.diagram.ui.edit.internal.part.DiagramEdgeEditPartOperation;
@@ -212,11 +215,24 @@ public abstract class AbstractDiagramEdgeEditPart extends ConnectionNodeEditPart
         if (element != null && element.eResource() != null && getParent() != null) {
             refresh();
         }
-        if (resolveSemanticElement() instanceof DEdge) {
+        if (element instanceof DEdge) {
+            updateCenteringProperty((DEdge) element, notification);
             super.handleNotificationEvent(notification);
         }
     }
 
+    private void updateCenteringProperty(DEdge element, Notification notification) {
+        if (DiagramPackage.eINSTANCE.getEdgeStyle_Centered() == notification.getFeature()) {
+            EdgeStyle edgeStyle = element.getOwnedStyle();
+            if (edgeStyle != null) {
+                IFigure figure = getFigure();
+                if (figure instanceof ViewEdgeFigure) {
+                    ((ViewEdgeFigure) figure).setCentering(edgeStyle.getCentered());
+                }
+            }
+        }
+    }
+
     /**
      * {@inheritDoc}
      * 
@@ -567,6 +583,8 @@ public abstract class AbstractDiagramEdgeEditPart extends ConnectionNodeEditPart
 
         private SiriusWrapLabel fFigureViewEdgeEndNameFigure;
 
+        private CenteringStyle centeringStyle;
+
         /**
          * Constructor.
          */
@@ -586,6 +604,50 @@ public abstract class AbstractDiagramEdgeEditPart extends ConnectionNodeEditPart
             createCenterLabelFigure(element);
             createBeginLabelFigure(element);
             createEndLabelFigure(element);
+            initCentering(element);
+        }
+
+        private void initCentering(EObject element) {
+            if (element instanceof DEdge) {
+                EdgeStyle edgeStyle = ((DEdge) element).getOwnedStyle();
+                if (edgeStyle != null) {
+                    setCentering(edgeStyle.getCentered());
+                }
+            }
+
+        }
+
+        private void setCentering(CenteringStyle centering) {
+            this.centeringStyle = centering;
+        }
+
+        /**
+         * Get the centeringStyle value.
+         * 
+         * @return the {@link CenteringStyle}.
+         */
+        public CenteringStyle getCenteringStyle() {
+            return this.centeringStyle;
+        }
+
+        /**
+         * Returns whether the connection is centered on its source or not.
+         * 
+         * @return true if the connection is centered on its source or both.
+         *         False otherwise.
+         */
+        public boolean isSourceCentered() {
+            return CenteringStyle.BOTH == getCenteringStyle() || CenteringStyle.SOURCE == getCenteringStyle();
+        }
+
+        /**
+         * Returns whether the connection is centered on its target or not.
+         * 
+         * @return true if the connection is centered on its target or both.
+         *         False otherwise.
+         */
+        public boolean isTargetCentered() {
+            return CenteringStyle.BOTH == getCenteringStyle() || CenteringStyle.TARGET == getCenteringStyle();
         }
 
         /**
diff --git a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/internal/edit/parts/DEdgeEditPart.java b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/internal/edit/parts/DEdgeEditPart.java
index 492f94d1f4..6db5eabca3 100644
--- a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/internal/edit/parts/DEdgeEditPart.java
+++ b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/internal/edit/parts/DEdgeEditPart.java
@@ -95,7 +95,7 @@ public class DEdgeEditPart extends AbstractDiagramEdgeEditPart {
      * @was-generated
      */
     protected Connection createConnectionFigure() {
-        return new AbstractDiagramEdgeEditPart.ViewEdgeFigure();
+        return super.createConnectionFigure();
     }
 
     /**
@@ -119,7 +119,8 @@ public class DEdgeEditPart extends AbstractDiagramEdgeEditPart {
 
     @Override
     protected void deactivateFigure() {
-        // Can happen when semantic element associated to the edge has been deleted
+        // Can happen when semantic element associated to the edge has been
+        // deleted
         if (getRoot() == null || figure.getParent() != getLayer(CONNECTION_LAYER)) {
             return;
         }
diff --git a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/internal/operation/CenterEdgeEndModelChangeOperation.java b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/internal/operation/CenterEdgeEndModelChangeOperation.java
index ae0301169b..2054d89f85 100644
--- a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/internal/operation/CenterEdgeEndModelChangeOperation.java
+++ b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/internal/operation/CenterEdgeEndModelChangeOperation.java
@@ -74,13 +74,13 @@ public class CenterEdgeEndModelChangeOperation extends AbstractModelChangeOperat
 
     private Edge edge;
 
-    private Point existingSourceAnchorAbsoluteLocation;
+    private PrecisionPoint existingSourceAnchorAbsoluteLocation;
 
-    private Point existingTargetAnchorAbsoluteLocation;
+    private PrecisionPoint existingTargetAnchorAbsoluteLocation;
 
-    private Point newTargetAnchorAbsoluteLocation;
+    private PrecisionPoint newTargetAnchorAbsoluteLocation;
 
-    private Point newSourceAnchorAbsoluteLocation;
+    private PrecisionPoint newSourceAnchorAbsoluteLocation;
 
     private ConnectionEditPart connectionEditPart;
 
@@ -506,9 +506,8 @@ public class CenterEdgeEndModelChangeOperation extends AbstractModelChangeOperat
      *            the anchor location.
      * @return the anchor absolute location.
      */
-    private Point getAbsoluteAnchorCoordinates(Rectangle absoluteBounds, PrecisionPoint precisionPoint) {
-        return new Point((int) (absoluteBounds.x() + Math.round(absoluteBounds.width() * precisionPoint.preciseX())), (int) (absoluteBounds.y() + Math.round(absoluteBounds.height()
-                * precisionPoint.preciseY())));
+    private PrecisionPoint getAbsoluteAnchorCoordinates(Rectangle absoluteBounds, PrecisionPoint precisionPoint) {
+        return new PrecisionPoint(absoluteBounds.x() + (absoluteBounds.width() * precisionPoint.preciseX()), absoluteBounds.y() + (absoluteBounds.height() * precisionPoint.preciseY()));
 
     }
 
diff --git a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/tools/internal/figure/DConnectionLayerEx.java b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/tools/internal/figure/DConnectionLayerEx.java
index 89af6f6fa9..968894a607 100644
--- a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/tools/internal/figure/DConnectionLayerEx.java
+++ b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/tools/internal/figure/DConnectionLayerEx.java
@@ -13,11 +13,13 @@ package org.eclipse.sirius.diagram.ui.tools.internal.figure;
 import org.eclipse.draw2d.ConnectionRouter;
 import org.eclipse.gmf.runtime.draw2d.ui.internal.figures.ConnectionLayerEx;
 import org.eclipse.sirius.diagram.ui.tools.internal.routers.DForestRouter;
+import org.eclipse.sirius.diagram.ui.tools.internal.routers.SiriusRectilinearRouter;
 
 /**
- * The connection layer for Designer. This layer uses the
- * {@link org.eclipse.sirius.diagram.ui.tools.internal.routers.DTreeRouter}
- * for tree connections.
+ * The connection layer for Sirius. This layer uses the
+ * {@link org.eclipse.sirius.diagram.ui.tools.internal.routers.DTreeRouter} for
+ * tree connections and the {@link SiriusRectilinearRouter} for rectilinear
+ * connections.
  * 
  * @author ymortier
  */
@@ -26,6 +28,8 @@ public class DConnectionLayerEx extends ConnectionLayerEx {
     /** The tree router to use. */
     private DForestRouter treeRouter;
 
+    private ConnectionRouter rectilinearRouter;
+
     /**
      * {@inheritDoc}
      * 
@@ -38,6 +42,7 @@ public class DConnectionLayerEx extends ConnectionLayerEx {
         }
         return treeRouter;
     }
+
     // This code has been disabled as the layouting results were not nice enough
     // for the customer
     // /**
@@ -47,13 +52,13 @@ public class DConnectionLayerEx extends ConnectionLayerEx {
     // public ConnectionRouter getObliqueRouter() {
     // return new BorderItemObliqueRouterSpec();
     // }
-    //
-    // /**
-    // * {@inheritDoc}
-    // */
-    // @Override
-    // public ConnectionRouter getRectilinearRouter() {
-    // return new BorderItemRectilinearRouterSpec();
-    // }
+
+    @Override
+    public ConnectionRouter getRectilinearRouter() {
+        if (rectilinearRouter == null)
+            rectilinearRouter = new SiriusRectilinearRouter();
+
+        return rectilinearRouter;
+    }
 
 }
diff --git a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/tools/internal/routers/SiriusRectilinearRouter.java b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/tools/internal/routers/SiriusRectilinearRouter.java
new file mode 100644
index 0000000000..4e8a9f7341
--- /dev/null
+++ b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/tools/internal/routers/SiriusRectilinearRouter.java
@@ -0,0 +1,93 @@
+/*******************************************************************************
+ * Copyright (c) 2014 THALES GLOBAL SERVICES.
+ * 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:
+ *    Obeo - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.sirius.diagram.ui.tools.internal.routers;
+
+import org.eclipse.draw2d.Connection;
+import org.eclipse.draw2d.ConnectionAnchor;
+import org.eclipse.draw2d.geometry.Point;
+import org.eclipse.draw2d.geometry.PointList;
+import org.eclipse.draw2d.geometry.PrecisionRectangle;
+import org.eclipse.draw2d.geometry.Rectangle;
+import org.eclipse.gef.handles.HandleBounds;
+import org.eclipse.gmf.runtime.draw2d.ui.internal.routers.RectilinearRouter;
+import org.eclipse.sirius.diagram.ui.edit.api.part.AbstractDiagramEdgeEditPart.ViewEdgeFigure;
+
+/**
+ * A Sirius specific Rectilinear Router to keep edges centered.
+ * 
+ * @author Florian Barbin
+ *
+ */
+@SuppressWarnings("restriction")
+public class SiriusRectilinearRouter extends RectilinearRouter {
+
+    @Override
+    public void routeLine(Connection conn, int nestedRoutingDepth, PointList newLine) {
+        super.routeLine(conn, nestedRoutingDepth, newLine);
+
+        handleEdgeCentering(conn, newLine);
+    }
+
+    /**
+     * Handle the edge centering in the case where at least one end is centered.
+     * 
+     * @param conn
+     *            the connection figure.
+     * @param newLine
+     *            the current routed point list.
+     */
+    private void handleEdgeCentering(Connection conn, PointList newLine) {
+        if (conn instanceof ViewEdgeFigure) {
+            if (((ViewEdgeFigure) conn).isSourceCentered() || ((ViewEdgeFigure) conn).isTargetCentered()) {
+                Point srcRefPoint = null;
+                Point tgtRefPoint = null;
+
+                // if the source is centered, we compute the source figure
+                // center since the source anchor could not be centered.
+                if (((ViewEdgeFigure) conn).isSourceCentered()) {
+                    srcRefPoint = getAnchorOwnerCenter(conn.getSourceAnchor());
+                }
+
+                // if the target is centered, we compute the target figure
+                // center since the target anchor could not be centered.
+                if (((ViewEdgeFigure) conn).isTargetCentered()) {
+                    tgtRefPoint = getAnchorOwnerCenter(conn.getTargetAnchor());
+                }
+
+                if (srcRefPoint == null) {
+                    ConnectionAnchor srcAnchor = conn.getSourceAnchor();
+                    srcRefPoint = srcAnchor.getReferencePoint();
+                }
+
+                if (tgtRefPoint == null) {
+                    ConnectionAnchor tgtAnchor = conn.getTargetAnchor();
+                    tgtRefPoint = tgtAnchor.getReferencePoint();
+                }
+                // We translate the source and target anchor into the connection
+                // coordinate system which is absolute.
+
+                conn.translateToRelative(srcRefPoint);
+                conn.translateToRelative(tgtRefPoint);
+
+                RectilinearEdgeUtil.centerEdgeEnds(newLine, srcRefPoint, tgtRefPoint, ((ViewEdgeFigure) conn).getCenteringStyle());
+
+            }
+        }
+    }
+
+    private Point getAnchorOwnerCenter(ConnectionAnchor anchor) {
+        Rectangle rBox = anchor.getOwner() instanceof HandleBounds ? new PrecisionRectangle(((HandleBounds) anchor.getOwner()).getHandleBounds()) : new PrecisionRectangle(anchor.getOwner()
+                .getBounds());
+        anchor.getOwner().translateToAbsolute(rBox);
+        return rBox.getCenter();
+    }
+}
diff --git a/plugins/org.eclipse.sirius.tests.swtbot/data/unit/centeredEdge/useCase.aird b/plugins/org.eclipse.sirius.tests.swtbot/data/unit/centeredEdge/useCase.aird
index a3fd2abb4c..53955ba3c0 100644
--- a/plugins/org.eclipse.sirius.tests.swtbot/data/unit/centeredEdge/useCase.aird
+++ b/plugins/org.eclipse.sirius.tests.swtbot/data/unit/centeredEdge/useCase.aird
@@ -1164,7 +1164,7 @@
             <styles xmi:type="notation:ConnectorStyle" xmi:id="_q0SvURfMEeS4kvfS7sE6lQ"/>
             <styles xmi:type="notation:FontStyle" xmi:id="_q0SvUhfMEeS4kvfS7sE6lQ" fontName="Cantarell" fontHeight="8"/>
             <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_q0SvUxfMEeS4kvfS7sE6lQ" points="[0, 35, 0, -109]$[0, 109, 0, -35]"/>
-            <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_oLRO4BfdEeS4kvfS7sE6lQ" id="(0.5,0.5)"/>
+            <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_Kk6UYW_JEeSy6v9XG9dp-Q" id="(0.5,0.5)"/>
             <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_rwIsgBfMEeS4kvfS7sE6lQ" id="(0.5,0.5)"/>
           </edges>
           <edges xmi:type="notation:Edge" xmi:id="_tw31MBfMEeS4kvfS7sE6lQ" type="4001" element="_twKDgBfMEeS4kvfS7sE6lQ" source="_1lKkExcgEeS6q5flLGbeyA" target="_GfT0YPxvEeOt05vz5woRZA">
@@ -1179,8 +1179,8 @@
             </children>
             <styles xmi:type="notation:ConnectorStyle" xmi:id="_tw31MRfMEeS4kvfS7sE6lQ"/>
             <styles xmi:type="notation:FontStyle" xmi:id="_tw31MhfMEeS4kvfS7sE6lQ" fontName="Cantarell" fontHeight="8"/>
-            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_tw31MxfMEeS4kvfS7sE6lQ" points="[0, 0, 34, 109]$[-24, -74, 10, 35]"/>
-            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_tw6RcRfMEeS4kvfS7sE6lQ" id="(0.5,0.5)"/>
+            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_tw31MxfMEeS4kvfS7sE6lQ" points="[0, 0, 0, 144]$[0, -109, 0, 35]"/>
+            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_Kk5GQG_JEeSy6v9XG9dp-Q" id="(0.5,0.5)"/>
           </edges>
           <edges xmi:type="notation:Edge" xmi:id="_pVINMBfNEeS4kvfS7sE6lQ" type="4001" element="_pUes8BfNEeS4kvfS7sE6lQ" source="_GfYs4PxvEeOt05vz5woRZA" target="_GfezgPxvEeOt05vz5woRZA">
             <children xmi:type="notation:Node" xmi:id="_pVI0QBfNEeS4kvfS7sE6lQ" type="6001">
@@ -1194,8 +1194,8 @@
             </children>
             <styles xmi:type="notation:ConnectorStyle" xmi:id="_pVINMRfNEeS4kvfS7sE6lQ"/>
             <styles xmi:type="notation:FontStyle" xmi:id="_pVINMhfNEeS4kvfS7sE6lQ" fontName="Cantarell" fontHeight="8"/>
-            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_pVINMxfNEeS4kvfS7sE6lQ" points="[5, -1, -112, 4]$[117, -5, 0, 0]"/>
-            <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_pVKCYRfNEeS4kvfS7sE6lQ" id="(0.5,0.5)"/>
+            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_pVINMxfNEeS4kvfS7sE6lQ" points="[5, 0, -117, 0]$[122, 0, 0, 0]"/>
+            <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_Kk5tUW_JEeSy6v9XG9dp-Q" id="(0.5,0.5)"/>
           </edges>
           <edges xmi:type="notation:Edge" xmi:id="_AfrLwBfPEeS4kvfS7sE6lQ" type="4001" element="_AeT50BfPEeS4kvfS7sE6lQ" source="_GfKqcPxvEeOt05vz5woRZA" target="_1lIu4BcgEeS6q5flLGbeyA">
             <children xmi:type="notation:Node" xmi:id="_Afry0BfPEeS4kvfS7sE6lQ" type="6001">
@@ -1210,7 +1210,7 @@
             <styles xmi:type="notation:ConnectorStyle" xmi:id="_AfrLwRfPEeS4kvfS7sE6lQ"/>
             <styles xmi:type="notation:FontStyle" xmi:id="_AfrLwhfPEeS4kvfS7sE6lQ" fontName="Cantarell" fontHeight="8"/>
             <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_AfrLwxfPEeS4kvfS7sE6lQ" points="[15, 0, -177, 0]$[177, 0, -15, 0]"/>
-            <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_oP2z8BfdEeS4kvfS7sE6lQ" id="(0.5,0.5)"/>
+            <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_Kk5tUG_JEeSy6v9XG9dp-Q" id="(0.5,0.5)"/>
             <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_AfuPERfPEeS4kvfS7sE6lQ" id="(0.5,0.5)"/>
           </edges>
           <edges xmi:type="notation:Edge" xmi:id="_CDRFcBfPEeS4kvfS7sE6lQ" type="4001" element="_CCzycBfPEeS4kvfS7sE6lQ" source="_1lIH0BcgEeS6q5flLGbeyA" target="_GfL4kPxvEeOt05vz5woRZA">
@@ -1225,8 +1225,8 @@
             </children>
             <styles xmi:type="notation:ConnectorStyle" xmi:id="_CDRFcRfPEeS4kvfS7sE6lQ"/>
             <styles xmi:type="notation:FontStyle" xmi:id="_CDRFchfPEeS4kvfS7sE6lQ" fontName="Cantarell" fontHeight="8"/>
-            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_CDRFcxfPEeS4kvfS7sE6lQ" points="[0, 0, -177, -15]$[162, 13, -15, -2]"/>
-            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_CDS6oRfPEeS4kvfS7sE6lQ" id="(0.5,0.5)"/>
+            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_CDRFcxfPEeS4kvfS7sE6lQ" points="[0, 0, -192, 0]$[177, 0, -15, 0]"/>
+            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_Kk6UYG_JEeSy6v9XG9dp-Q" id="(0.5,0.5)"/>
           </edges>
           <edges xmi:type="notation:Edge" xmi:id="_F2Pn0BfPEeS4kvfS7sE6lQ" type="4001" element="_F13NUBfPEeS4kvfS7sE6lQ" source="_GfaiEPxvEeOt05vz5woRZA" target="_GfdlYPxvEeOt05vz5woRZA">
             <children xmi:type="notation:Node" xmi:id="_F2Pn1BfPEeS4kvfS7sE6lQ" type="6001">
@@ -1240,17 +1240,14 @@
             </children>
             <styles xmi:type="notation:ConnectorStyle" xmi:id="_F2Pn0RfPEeS4kvfS7sE6lQ"/>
             <styles xmi:type="notation:FontStyle" xmi:id="_F2Pn0hfPEeS4kvfS7sE6lQ" fontName="Cantarell" fontHeight="8"/>
-            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_F2Pn0xfPEeS4kvfS7sE6lQ" points="[0, 0, -117, -5]$[112, 4, -5, -1]"/>
-            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_F2RdABfPEeS4kvfS7sE6lQ" id="(0.5,0.5)"/>
+            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_F2Pn0xfPEeS4kvfS7sE6lQ" points="[0, 0, -122, 0]$[117, 0, -5, 0]"/>
+            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_Kk4fMG_JEeSy6v9XG9dp-Q" id="(0.5,0.5)"/>
           </edges>
         </data>
       </ownedAnnotationEntries>
       <ownedDiagramElements xmi:type="diagram:DNode" xmi:id="_Ge6Ly_xvEeOt05vz5woRZA" name="node1" outgoingEdges="_AeT50BfPEeS4kvfS7sE6lQ" width="3" height="3" resizeKind="NSEW">
         <target xmi:type="migrationmodeler:Node" href="useCase.migrationmodeler#//@representations.3/@nodes.0"/>
         <semanticElements xmi:type="migrationmodeler:Node" href="useCase.migrationmodeler#//@representations.3/@nodes.0"/>
-        <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
-        <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
-        <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
         <ownedStyle xmi:type="diagram:Square" xmi:id="_1khq4BcgEeS6q5flLGbeyA">
           <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_1khq4RcgEeS6q5flLGbeyA"/>
           <description xmi:type="style:SquareDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@nodeMappings[name='nodeImportCentered']/@style"/>
@@ -1262,9 +1259,6 @@
       <ownedDiagramElements xmi:type="diagram:DNode" xmi:id="_Ge6y0_xvEeOt05vz5woRZA" name="node2" incomingEdges="_CCzycBfPEeS4kvfS7sE6lQ" width="3" height="3" resizeKind="NSEW">
         <target xmi:type="migrationmodeler:Node" href="useCase.migrationmodeler#//@representations.3/@nodes.1"/>
         <semanticElements xmi:type="migrationmodeler:Node" href="useCase.migrationmodeler#//@representations.3/@nodes.1"/>
-        <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
-        <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
-        <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
         <ownedStyle xmi:type="diagram:Square" xmi:id="_1kiR8BcgEeS6q5flLGbeyA">
           <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_1kiR8RcgEeS6q5flLGbeyA"/>
           <description xmi:type="style:SquareDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@nodeMappings[name='nodeImportCentered']/@style"/>
@@ -1279,9 +1273,6 @@
         <ownedBorderedNodes xmi:type="diagram:DNode" xmi:id="_Ge6y5fxvEeOt05vz5woRZA" name="border4" outgoingEdges="_pUes8BfNEeS4kvfS7sE6lQ" width="1" height="1" resizeKind="NSEW">
           <target xmi:type="migrationmodeler:Bordered" href="useCase.migrationmodeler#//@representations.3/@containers.0/@elements.1"/>
           <semanticElements xmi:type="migrationmodeler:Bordered" href="useCase.migrationmodeler#//@representations.3/@containers.0/@elements.1"/>
-          <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
-          <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
-          <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
           <ownedStyle xmi:type="diagram:Square" xmi:id="_Ge6y5vxvEeOt05vz5woRZA">
             <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_Ge6y5_xvEeOt05vz5woRZA"/>
             <description xmi:type="style:SquareDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='container']/@borderedNodeMappings[name='bordered_centered']/@style"/>
@@ -1293,9 +1284,6 @@
         <ownedBorderedNodes xmi:type="diagram:DNode" xmi:id="_Ge6y6vxvEeOt05vz5woRZA" name="border3" outgoingEdges="_F13NUBfPEeS4kvfS7sE6lQ" width="1" height="1" resizeKind="NSEW">
           <target xmi:type="migrationmodeler:Bordered" href="useCase.migrationmodeler#//@representations.3/@containers.0/@elements.0"/>
           <semanticElements xmi:type="migrationmodeler:Bordered" href="useCase.migrationmodeler#//@representations.3/@containers.0/@elements.0"/>
-          <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
-          <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
-          <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
           <ownedStyle xmi:type="diagram:Square" xmi:id="_Ge6y6_xvEeOt05vz5woRZA">
             <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_Ge6y7PxvEeOt05vz5woRZA"/>
             <description xmi:type="style:SquareDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='container']/@borderedNodeMappings[name='bordered']/@style"/>
@@ -1304,9 +1292,6 @@
           </ownedStyle>
           <actualMapping xmi:type="description_1:NodeMapping" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='container']/@borderedNodeMappings[name='bordered']"/>
         </ownedBorderedNodes>
-        <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
-        <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
-        <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
         <ownedStyle xmi:type="diagram:FlatContainerStyle" xmi:id="_1knxgBcgEeS6q5flLGbeyA">
           <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_1knxgRcgEeS6q5flLGbeyA"/>
           <description xmi:type="style:FlatContainerStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='containerImportCentered']/@style"/>
@@ -1322,9 +1307,6 @@
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           <target xmi:type="migrationmodeler:Bordered" href="useCase.migrationmodeler#//@representations.3/@containers.1/@elements.0"/>
           <semanticElements xmi:type="migrationmodeler:Bordered" href="useCase.migrationmodeler#//@representations.3/@containers.1/@elements.0"/>
-          <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
-          <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
-          <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
           <ownedStyle xmi:type="diagram:Square" xmi:id="_Ge6y9vxvEeOt05vz5woRZA">
             <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_Ge6y9_xvEeOt05vz5woRZA"/>
             <description xmi:type="style:SquareDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='container']/@borderedNodeMappings[name='bordered_centered']/@style"/>
@@ -1336,9 +1318,6 @@
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           <target xmi:type="migrationmodeler:Bordered" href="useCase.migrationmodeler#//@representations.3/@containers.1/@elements.1"/>
           <semanticElements xmi:type="migrationmodeler:Bordered" href="useCase.migrationmodeler#//@representations.3/@containers.1/@elements.1"/>
-          <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
-          <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
-          <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
           <ownedStyle xmi:type="diagram:Square" xmi:id="_Ge6y-_xvEeOt05vz5woRZA">
             <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_Ge6y_PxvEeOt05vz5woRZA"/>
             <description xmi:type="style:SquareDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='container']/@borderedNodeMappings[name='bordered']/@style"/>
@@ -1347,9 +1326,6 @@
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           <actualMapping xmi:type="description_1:NodeMapping" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='container']/@borderedNodeMappings[name='bordered']"/>
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-        <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
-        <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
-        <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
         <ownedStyle xmi:type="diagram:FlatContainerStyle" xmi:id="_1koYkBcgEeS6q5flLGbeyA">
           <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_1koYkRcgEeS6q5flLGbeyA"/>
           <description xmi:type="style:FlatContainerStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='containerImportCentered']/@style"/>
@@ -1408,7 +1384,7 @@
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         <target xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.0"/>
         <semanticElements xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.0"/>
-        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_qyXcsBfMEeS4kvfS7sE6lQ" sourceCentered="true">
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_qyXcsBfMEeS4kvfS7sE6lQ" centered="Source" sourceCentered="true">
           <description xmi:type="style:EdgeStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']/@style"/>
           <strokeColor xmi:type="viewpoint:RGBValues" xmi:id="_qyXcsRfMEeS4kvfS7sE6lQ" red="39" green="76" blue="114"/>
           <centerLabelStyle xmi:type="diagram:CenterLabelStyle" xmi:id="_qyXcshfMEeS4kvfS7sE6lQ">
@@ -1420,7 +1396,7 @@
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         <target xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.1"/>
         <semanticElements xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.1"/>
-        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_twKDgRfMEeS4kvfS7sE6lQ" targetCentered="true">
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_twKDgRfMEeS4kvfS7sE6lQ" centered="Target" targetCentered="true">
           <description xmi:type="style:EdgeStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']/@style"/>
           <strokeColor xmi:type="viewpoint:RGBValues" xmi:id="_twKDghfMEeS4kvfS7sE6lQ" red="39" green="76" blue="114"/>
           <centerLabelStyle xmi:type="diagram:CenterLabelStyle" xmi:id="_twKDgxfMEeS4kvfS7sE6lQ">
@@ -1432,7 +1408,7 @@
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         <target xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.2"/>
         <semanticElements xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.2"/>
-        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_pUes8RfNEeS4kvfS7sE6lQ" sourceCentered="true">
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_pUes8RfNEeS4kvfS7sE6lQ" centered="Source" sourceCentered="true">
           <description xmi:type="style:EdgeStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']/@style"/>
           <strokeColor xmi:type="viewpoint:RGBValues" xmi:id="_pUes8hfNEeS4kvfS7sE6lQ" red="39" green="76" blue="114"/>
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@@ -1444,7 +1420,7 @@
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         <target xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.3"/>
         <semanticElements xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.3"/>
-        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_AeUg4BfPEeS4kvfS7sE6lQ" sourceCentered="true">
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_AeUg4BfPEeS4kvfS7sE6lQ" centered="Source" sourceCentered="true">
           <description xmi:type="style:EdgeStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']/@style"/>
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@@ -1456,7 +1432,7 @@
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         <target xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.4"/>
         <semanticElements xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.4"/>
-        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_CCzycRfPEeS4kvfS7sE6lQ" targetCentered="true">
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_CCzycRfPEeS4kvfS7sE6lQ" centered="Target" targetCentered="true">
           <description xmi:type="style:EdgeStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']/@style"/>
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@@ -1468,7 +1444,7 @@
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         <target xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.5"/>
         <semanticElements xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.3/@edges.5"/>
-        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_F13NURfPEeS4kvfS7sE6lQ" targetCentered="true">
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_F13NURfPEeS4kvfS7sE6lQ" centered="Target" targetCentered="true">
           <description xmi:type="style:EdgeStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']/@style"/>
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@@ -1658,6 +1634,678 @@
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       <target xmi:type="migrationmodeler:Diagram" href="useCase.migrationmodeler#//@representations.4"/>
     </ownedRepresentations>
+    <ownedRepresentations xmi:type="diagram:DSemanticDiagram" xmi:id="_uxfXIG_QEeSghrdvkfPlSQ" name="auto-size">
+      <ownedAnnotationEntries xmi:type="description:AnnotationEntry" xmi:id="_uxmr4G_QEeSghrdvkfPlSQ" source="GMF_DIAGRAMS">
+        <data xmi:type="notation:Diagram" xmi:id="_uxmr4W_QEeSghrdvkfPlSQ" type="Sirius" element="_uxfXIG_QEeSghrdvkfPlSQ" measurementUnit="Pixel">
+          <children xmi:type="notation:Node" xmi:id="_uxpvMG_QEeSghrdvkfPlSQ" type="2001" element="_uxfXIW_QEeSghrdvkfPlSQ">
+            <children xmi:type="notation:Node" xmi:id="_uxuAoG_QEeSghrdvkfPlSQ" type="5002">
+              <layoutConstraint xmi:type="notation:Location" xmi:id="_uxuAoW_QEeSghrdvkfPlSQ" x="31"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_ux8qIG_QEeSghrdvkfPlSQ" type="3003" element="_uxfXIm_QEeSghrdvkfPlSQ">
+              <styles xmi:type="notation:ShapeStyle" xmi:id="_ux8qIW_QEeSghrdvkfPlSQ" fontName="Cantarell"/>
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_ux8qIm_QEeSghrdvkfPlSQ"/>
+            </children>
+            <styles xmi:type="notation:ShapeStyle" xmi:id="_uxpvMW_QEeSghrdvkfPlSQ" fontName="Cantarell" fontHeight="8"/>
+            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_uxpvMm_QEeSghrdvkfPlSQ" x="581" y="433" width="30" height="30"/>
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+          <children xmi:type="notation:Node" xmi:id="_uxySEG_QEeSghrdvkfPlSQ" type="2001" element="_uxfXJm_QEeSghrdvkfPlSQ">
+            <children xmi:type="notation:Node" xmi:id="_uxy5IG_QEeSghrdvkfPlSQ" type="5002">
+              <layoutConstraint xmi:type="notation:Location" xmi:id="_uxy5IW_QEeSghrdvkfPlSQ" x="31"/>
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+            <children xmi:type="notation:Node" xmi:id="_ux8qI2_QEeSghrdvkfPlSQ" type="3003" element="_uxfXJ2_QEeSghrdvkfPlSQ">
+              <styles xmi:type="notation:ShapeStyle" xmi:id="_ux8qJG_QEeSghrdvkfPlSQ" fontName="Cantarell"/>
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_ux8qJW_QEeSghrdvkfPlSQ"/>
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+            <styles xmi:type="notation:ShapeStyle" xmi:id="_uxySEW_QEeSghrdvkfPlSQ" fontName="Cantarell" fontHeight="8"/>
+            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_uxySEm_QEeSghrdvkfPlSQ" x="413" y="349" width="30" height="30"/>
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+          <children xmi:type="notation:Node" xmi:id="_uxzgMG_QEeSghrdvkfPlSQ" type="2001" element="_uxfXK2_QEeSghrdvkfPlSQ">
+            <children xmi:type="notation:Node" xmi:id="_ux0HQG_QEeSghrdvkfPlSQ" type="5002">
+              <layoutConstraint xmi:type="notation:Location" xmi:id="_ux0HQW_QEeSghrdvkfPlSQ" x="31"/>
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+            <children xmi:type="notation:Node" xmi:id="_ux9RMG_QEeSghrdvkfPlSQ" type="3003" element="_uxfXLG_QEeSghrdvkfPlSQ">
+              <styles xmi:type="notation:ShapeStyle" xmi:id="_ux9RMW_QEeSghrdvkfPlSQ" fontName="Cantarell"/>
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_ux9RMm_QEeSghrdvkfPlSQ"/>
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+            <styles xmi:type="notation:ShapeStyle" xmi:id="_uxzgMW_QEeSghrdvkfPlSQ" fontName="Cantarell" fontHeight="8"/>
+            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_uxzgMm_QEeSghrdvkfPlSQ" x="521" y="433" width="30" height="30"/>
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+          <children xmi:type="notation:Node" xmi:id="_ux0uUG_QEeSghrdvkfPlSQ" type="2001" element="_uxfXMG_QEeSghrdvkfPlSQ">
+            <children xmi:type="notation:Node" xmi:id="_ux0uU2_QEeSghrdvkfPlSQ" type="5002">
+              <layoutConstraint xmi:type="notation:Location" xmi:id="_ux0uVG_QEeSghrdvkfPlSQ" x="31"/>
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+            <children xmi:type="notation:Node" xmi:id="_ux-fUG_QEeSghrdvkfPlSQ" type="3003" element="_uxfXMW_QEeSghrdvkfPlSQ">
+              <styles xmi:type="notation:ShapeStyle" xmi:id="_ux-fUW_QEeSghrdvkfPlSQ" fontName="Cantarell"/>
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_ux-fUm_QEeSghrdvkfPlSQ"/>
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+            <styles xmi:type="notation:ShapeStyle" xmi:id="_ux0uUW_QEeSghrdvkfPlSQ" fontName="Cantarell" fontHeight="8"/>
+            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_ux0uUm_QEeSghrdvkfPlSQ" x="665" y="349" width="30" height="30"/>
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+            <children xmi:type="notation:Node" xmi:id="_ux4_wG_QEeSghrdvkfPlSQ" type="7001">
+              <styles xmi:type="notation:SortingStyle" xmi:id="_ux4_wW_QEeSghrdvkfPlSQ"/>
+              <styles xmi:type="notation:FilteringStyle" xmi:id="_ux4_wm_QEeSghrdvkfPlSQ"/>
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+            <children xmi:type="notation:Node" xmi:id="_uyAUgG_QEeSghrdvkfPlSQ" type="3012" element="_uxf-M2_QEeSghrdvkfPlSQ">
+              <children xmi:type="notation:Node" xmi:id="_uyA7kG_QEeSghrdvkfPlSQ" type="5010">
+                <layoutConstraint xmi:type="notation:Location" xmi:id="_uyA7kW_QEeSghrdvkfPlSQ" x="11" y="-10"/>
+              </children>
+              <children xmi:type="notation:Node" xmi:id="_uyDX0G_QEeSghrdvkfPlSQ" type="3003" element="_uxf-NG_QEeSghrdvkfPlSQ">
+                <styles xmi:type="notation:ShapeStyle" xmi:id="_uyDX0W_QEeSghrdvkfPlSQ" fontName="Cantarell"/>
+                <layoutConstraint xmi:type="notation:Bounds" xmi:id="_uyDX0m_QEeSghrdvkfPlSQ"/>
+              </children>
+              <styles xmi:type="notation:ShapeStyle" xmi:id="_uyAUgW_QEeSghrdvkfPlSQ" fontName="Cantarell" fontHeight="8"/>
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_uyAUgm_QEeSghrdvkfPlSQ" x="-2" y="48" width="10" height="10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_uyBioG_QEeSghrdvkfPlSQ" type="3012" element="_uxf-OG_QEeSghrdvkfPlSQ">
+              <children xmi:type="notation:Node" xmi:id="_uyCwwG_QEeSghrdvkfPlSQ" type="5010">
+                <layoutConstraint xmi:type="notation:Location" xmi:id="_uyCwwW_QEeSghrdvkfPlSQ" x="11" y="-10"/>
+              </children>
+              <children xmi:type="notation:Node" xmi:id="_uyDX02_QEeSghrdvkfPlSQ" type="3003" element="_uxf-OW_QEeSghrdvkfPlSQ">
+                <styles xmi:type="notation:ShapeStyle" xmi:id="_uyDX1G_QEeSghrdvkfPlSQ" fontName="Cantarell"/>
+                <layoutConstraint xmi:type="notation:Bounds" xmi:id="_uyDX1W_QEeSghrdvkfPlSQ"/>
+              </children>
+              <styles xmi:type="notation:ShapeStyle" xmi:id="_uyBioW_QEeSghrdvkfPlSQ" fontName="Cantarell" fontHeight="8"/>
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_uyCJsG_QEeSghrdvkfPlSQ" x="-2" y="12" width="10" height="10"/>
+            </children>
+            <styles xmi:type="notation:ShapeStyle" xmi:id="_ux3KkW_QEeSghrdvkfPlSQ" fontName="Cantarell" fontHeight="8"/>
+            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_ux3Kkm_QEeSghrdvkfPlSQ" x="701" y="25"/>
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+          <children xmi:type="notation:Node" xmi:id="_ux4_w2_QEeSghrdvkfPlSQ" type="2002" element="_uxf-Qm_QEeSghrdvkfPlSQ">
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+              <styles xmi:type="notation:SortingStyle" xmi:id="_4qFkQnGOEeSvg6fRMkuJuw"/>
+              <styles xmi:type="notation:FilteringStyle" xmi:id="_4qFkQ3GOEeSvg6fRMkuJuw"/>
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+            <styles xmi:type="notation:ShapeStyle" xmi:id="_4qE9MXGOEeSvg6fRMkuJuw" fontName="Cantarell" fontHeight="8"/>
+            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_4qE9MnGOEeSvg6fRMkuJuw" x="392" y="291" width="579"/>
+          </children>
+          <styles xmi:type="notation:DiagramStyle" xmi:id="_ho6usnGOEeSvg6fRMkuJuw"/>
+          <edges xmi:type="notation:Edge" xmi:id="_txJEwHGOEeSvg6fRMkuJuw" type="4001" element="_twyfcHGOEeSvg6fRMkuJuw" source="_jfnKkHGOEeSvg6fRMkuJuw" target="_pIzAoHGOEeSvg6fRMkuJuw">
+            <children xmi:type="notation:Node" xmi:id="_txKS4HGOEeSvg6fRMkuJuw" type="6001">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_txKS4XGOEeSvg6fRMkuJuw" y="-10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_txK58HGOEeSvg6fRMkuJuw" type="6002">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_txK58XGOEeSvg6fRMkuJuw" y="10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_txMIEHGOEeSvg6fRMkuJuw" type="6003">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_txMIEXGOEeSvg6fRMkuJuw" y="10"/>
+            </children>
+            <styles xmi:type="notation:ConnectorStyle" xmi:id="_txJEwXGOEeSvg6fRMkuJuw" routing="Rectilinear"/>
+            <styles xmi:type="notation:FontStyle" xmi:id="_txJEwnGOEeSvg6fRMkuJuw" fontName="Cantarell" fontHeight="8"/>
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+            <children xmi:type="notation:Node" xmi:id="_8ThwIHGOEeSvg6fRMkuJuw" type="6001">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_8ThwIXGOEeSvg6fRMkuJuw" y="-10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_8ThwInGOEeSvg6fRMkuJuw" type="6002">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_8ThwI3GOEeSvg6fRMkuJuw" y="10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_8TiXMHGOEeSvg6fRMkuJuw" type="6003">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_8TiXMXGOEeSvg6fRMkuJuw" y="10"/>
+            </children>
+            <styles xmi:type="notation:ConnectorStyle" xmi:id="_8ThJEXGOEeSvg6fRMkuJuw" routing="Rectilinear"/>
+            <styles xmi:type="notation:FontStyle" xmi:id="_8ThJEnGOEeSvg6fRMkuJuw" fontName="Cantarell" fontHeight="8"/>
+            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_8ThJE3GOEeSvg6fRMkuJuw" points="[181, 1, -51, -149]$[232, 1, 0, -149]$[232, 150, 0, 0]"/>
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+            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_8TiXM3GOEeSvg6fRMkuJuw" id="(0.9636048526863085,0.0)"/>
+          </edges>
+          <edges xmi:type="notation:Edge" xmi:id="_BbGG4HGPEeSvg6fRMkuJuw" type="4001" element="_Ba1oMHGPEeSvg6fRMkuJuw" source="_4qE9MHGOEeSvg6fRMkuJuw" target="_pIzAoHGOEeSvg6fRMkuJuw">
+            <children xmi:type="notation:Node" xmi:id="_BbGt8HGPEeSvg6fRMkuJuw" type="6001">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_BbGt8XGPEeSvg6fRMkuJuw" y="-10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_BbGt8nGPEeSvg6fRMkuJuw" type="6002">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_BbGt83GPEeSvg6fRMkuJuw" y="10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_BbGt9HGPEeSvg6fRMkuJuw" type="6003">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_BbGt9XGPEeSvg6fRMkuJuw" y="10"/>
+            </children>
+            <styles xmi:type="notation:ConnectorStyle" xmi:id="_BbGG4XGPEeSvg6fRMkuJuw" routing="Rectilinear"/>
+            <styles xmi:type="notation:FontStyle" xmi:id="_BbGG4nGPEeSvg6fRMkuJuw" fontName="Cantarell" fontHeight="8"/>
+            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_BbGG43GPEeSvg6fRMkuJuw" points="[-132, 0, -152, 150]$[-132, -83, -152, 67]"/>
+            <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_BbGt9nGPEeSvg6fRMkuJuw" id="(0.5268630849220104,0.0)"/>
+            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_BxdYcHGPEeSvg6fRMkuJuw" id="(0.5,0.5)"/>
+          </edges>
+          <edges xmi:type="notation:Edge" xmi:id="_IRJYsHGPEeSvg6fRMkuJuw" type="4001" element="_IQ4S8HGPEeSvg6fRMkuJuw" source="_1zGwEHGOEeSvg6fRMkuJuw" target="_jfnKkHGOEeSvg6fRMkuJuw">
+            <children xmi:type="notation:Node" xmi:id="_IRJ_wHGPEeSvg6fRMkuJuw" type="6001">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_IRJ_wXGPEeSvg6fRMkuJuw" y="-10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_IRJ_wnGPEeSvg6fRMkuJuw" type="6002">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_IRJ_w3GPEeSvg6fRMkuJuw" y="10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_IRJ_xHGPEeSvg6fRMkuJuw" type="6003">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_IRJ_xXGPEeSvg6fRMkuJuw" y="10"/>
+            </children>
+            <styles xmi:type="notation:ConnectorStyle" xmi:id="_IRJYsXGPEeSvg6fRMkuJuw" routing="Rectilinear"/>
+            <styles xmi:type="notation:FontStyle" xmi:id="_IRJYsnGPEeSvg6fRMkuJuw" fontName="Cantarell" fontHeight="8"/>
+            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_IRJYs3GPEeSvg6fRMkuJuw" points="[-51, 0, 43, 150]$[-51, -80, 43, 70]"/>
+            <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_IRKm0HGPEeSvg6fRMkuJuw" id="(0.2906574394463668,0.0)"/>
+            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_IRKm0nGPEeSvg6fRMkuJuw" id="(0.5,0.5)"/>
+          </edges>
+        </data>
+      </ownedAnnotationEntries>
+      <ownedDiagramElements xmi:type="diagram:DNodeContainer" xmi:id="_jfeAoHGOEeSvg6fRMkuJuw" name="container1" outgoingEdges="_twyfcHGOEeSvg6fRMkuJuw" incomingEdges="_IQ4S8HGPEeSvg6fRMkuJuw">
+        <target xmi:type="migrationmodeler:Container" href="useCase.migrationmodeler#//@representations.6/@containers.0"/>
+        <semanticElements xmi:type="migrationmodeler:Container" href="useCase.migrationmodeler#//@representations.6/@containers.0"/>
+        <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
+        <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
+        <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
+        <ownedStyle xmi:type="diagram:FlatContainerStyle" xmi:id="_jfensHGOEeSvg6fRMkuJuw">
+          <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_jfensXGOEeSvg6fRMkuJuw"/>
+          <description xmi:type="style:FlatContainerStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='containerImportCentered']/@style"/>
+          <borderColor xmi:type="viewpoint:RGBValues" xmi:id="_jfensnGOEeSvg6fRMkuJuw"/>
+          <backgroundColor xmi:type="viewpoint:RGBValues" xmi:id="_jfens3GOEeSvg6fRMkuJuw" red="255" green="255" blue="255"/>
+          <foregroundColor xmi:type="viewpoint:RGBValues" xmi:id="_jfentHGOEeSvg6fRMkuJuw" red="204" green="242" blue="166"/>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:ContainerMappingImport" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='containerImportCentered']"/>
+      </ownedDiagramElements>
+      <ownedDiagramElements xmi:type="diagram:DNodeContainer" xmi:id="_pIv9UHGOEeSvg6fRMkuJuw" name="container2" outgoingEdges="_8TEdIHGOEeSvg6fRMkuJuw" incomingEdges="_twyfcHGOEeSvg6fRMkuJuw _Ba1oMHGPEeSvg6fRMkuJuw">
+        <target xmi:type="migrationmodeler:Container" href="useCase.migrationmodeler#//@representations.6/@containers.1"/>
+        <semanticElements xmi:type="migrationmodeler:Container" href="useCase.migrationmodeler#//@representations.6/@containers.1"/>
+        <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
+        <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
+        <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
+        <ownedStyle xmi:type="diagram:FlatContainerStyle" xmi:id="_pIv9UXGOEeSvg6fRMkuJuw">
+          <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_pIv9UnGOEeSvg6fRMkuJuw"/>
+          <description xmi:type="style:FlatContainerStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='containerImportCentered']/@style"/>
+          <borderColor xmi:type="viewpoint:RGBValues" xmi:id="_pIv9U3GOEeSvg6fRMkuJuw"/>
+          <backgroundColor xmi:type="viewpoint:RGBValues" xmi:id="_pIv9VHGOEeSvg6fRMkuJuw" red="255" green="255" blue="255"/>
+          <foregroundColor xmi:type="viewpoint:RGBValues" xmi:id="_pIv9VXGOEeSvg6fRMkuJuw" red="204" green="242" blue="166"/>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:ContainerMappingImport" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='containerImportCentered']"/>
+      </ownedDiagramElements>
+      <ownedDiagramElements xmi:type="diagram:DEdge" xmi:id="_twyfcHGOEeSvg6fRMkuJuw" name="edge1" sourceNode="_jfeAoHGOEeSvg6fRMkuJuw" targetNode="_pIv9UHGOEeSvg6fRMkuJuw">
+        <target xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.6/@edges.0"/>
+        <semanticElements xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.6/@edges.0"/>
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_twztkHGOEeSvg6fRMkuJuw" routingStyle="manhattan">
+          <customFeatures>centered</customFeatures>
+          <customFeatures>routingStyle</customFeatures>
+          <description xmi:type="style:EdgeStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']/@style"/>
+          <strokeColor xmi:type="viewpoint:RGBValues" xmi:id="_twztkXGOEeSvg6fRMkuJuw" red="39" green="76" blue="114"/>
+          <centerLabelStyle xmi:type="diagram:CenterLabelStyle" xmi:id="_twztknGOEeSvg6fRMkuJuw">
+            <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_twztk3GOEeSvg6fRMkuJuw"/>
+          </centerLabelStyle>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:EdgeMapping" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']"/>
+      </ownedDiagramElements>
+      <ownedDiagramElements xmi:type="diagram:DNodeContainer" xmi:id="_1zDswHGOEeSvg6fRMkuJuw" name="container4" outgoingEdges="_IQ4S8HGPEeSvg6fRMkuJuw">
+        <target xmi:type="migrationmodeler:Container" href="useCase.migrationmodeler#//@representations.6/@containers.2"/>
+        <semanticElements xmi:type="migrationmodeler:Container" href="useCase.migrationmodeler#//@representations.6/@containers.2"/>
+        <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
+        <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
+        <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
+        <ownedStyle xmi:type="diagram:FlatContainerStyle" xmi:id="_1zDswXGOEeSvg6fRMkuJuw">
+          <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_1zDswnGOEeSvg6fRMkuJuw"/>
+          <description xmi:type="style:FlatContainerStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='container']/@style"/>
+          <borderColor xmi:type="viewpoint:RGBValues" xmi:id="_1zDsw3GOEeSvg6fRMkuJuw"/>
+          <backgroundColor xmi:type="viewpoint:RGBValues" xmi:id="_1zDsxHGOEeSvg6fRMkuJuw" red="255" green="255" blue="255"/>
+          <foregroundColor xmi:type="viewpoint:RGBValues" xmi:id="_1zDsxXGOEeSvg6fRMkuJuw" red="246" green="139" blue="139"/>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:ContainerMapping" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='container']"/>
+      </ownedDiagramElements>
+      <ownedDiagramElements xmi:type="diagram:DNodeContainer" xmi:id="_4qBS0HGOEeSvg6fRMkuJuw" name="container3" outgoingEdges="_Ba1oMHGPEeSvg6fRMkuJuw" incomingEdges="_8TEdIHGOEeSvg6fRMkuJuw">
+        <target xmi:type="migrationmodeler:Container" href="useCase.migrationmodeler#//@representations.6/@containers.3"/>
+        <semanticElements xmi:type="migrationmodeler:Container" href="useCase.migrationmodeler#//@representations.6/@containers.3"/>
+        <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
+        <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
+        <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
+        <ownedStyle xmi:type="diagram:FlatContainerStyle" xmi:id="_4qB54HGOEeSvg6fRMkuJuw">
+          <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_4qB54XGOEeSvg6fRMkuJuw"/>
+          <description xmi:type="style:FlatContainerStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='container']/@style"/>
+          <borderColor xmi:type="viewpoint:RGBValues" xmi:id="_4qB54nGOEeSvg6fRMkuJuw"/>
+          <backgroundColor xmi:type="viewpoint:RGBValues" xmi:id="_4qB543GOEeSvg6fRMkuJuw" red="255" green="255" blue="255"/>
+          <foregroundColor xmi:type="viewpoint:RGBValues" xmi:id="_4qB55HGOEeSvg6fRMkuJuw" red="246" green="139" blue="139"/>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:ContainerMapping" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@containerMappings[name='container']"/>
+      </ownedDiagramElements>
+      <ownedDiagramElements xmi:type="diagram:DEdge" xmi:id="_8TEdIHGOEeSvg6fRMkuJuw" name="edge2" sourceNode="_pIv9UHGOEeSvg6fRMkuJuw" targetNode="_4qBS0HGOEeSvg6fRMkuJuw">
+        <target xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.6/@edges.1"/>
+        <semanticElements xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.6/@edges.1"/>
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_8TEdIXGOEeSvg6fRMkuJuw" routingStyle="manhattan">
+          <customFeatures>centered</customFeatures>
+          <customFeatures>routingStyle</customFeatures>
+          <description xmi:type="style:EdgeStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']/@style"/>
+          <strokeColor xmi:type="viewpoint:RGBValues" xmi:id="_8TEdInGOEeSvg6fRMkuJuw" red="39" green="76" blue="114"/>
+          <centerLabelStyle xmi:type="diagram:CenterLabelStyle" xmi:id="_8TEdI3GOEeSvg6fRMkuJuw">
+            <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_8TEdJHGOEeSvg6fRMkuJuw"/>
+          </centerLabelStyle>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:EdgeMapping" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']"/>
+      </ownedDiagramElements>
+      <ownedDiagramElements xmi:type="diagram:DEdge" xmi:id="_Ba1oMHGPEeSvg6fRMkuJuw" name="edge3" sourceNode="_4qBS0HGOEeSvg6fRMkuJuw" targetNode="_pIv9UHGOEeSvg6fRMkuJuw">
+        <target xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.6/@edges.2"/>
+        <semanticElements xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.6/@edges.2"/>
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_Ba1oMXGPEeSvg6fRMkuJuw" routingStyle="manhattan">
+          <customFeatures>routingStyle</customFeatures>
+          <customFeatures>centered</customFeatures>
+          <description xmi:type="style:EdgeStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']/@style"/>
+          <strokeColor xmi:type="viewpoint:RGBValues" xmi:id="_Ba1oMnGPEeSvg6fRMkuJuw" red="39" green="76" blue="114"/>
+          <centerLabelStyle xmi:type="diagram:CenterLabelStyle" xmi:id="_Ba1oM3GPEeSvg6fRMkuJuw">
+            <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_Ba1oNHGPEeSvg6fRMkuJuw"/>
+          </centerLabelStyle>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:EdgeMapping" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']"/>
+      </ownedDiagramElements>
+      <ownedDiagramElements xmi:type="diagram:DEdge" xmi:id="_IQ4S8HGPEeSvg6fRMkuJuw" name="edge4" sourceNode="_1zDswHGOEeSvg6fRMkuJuw" targetNode="_jfeAoHGOEeSvg6fRMkuJuw">
+        <target xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.6/@edges.3"/>
+        <semanticElements xmi:type="migrationmodeler:Edge" href="useCase.migrationmodeler#//@representations.6/@edges.3"/>
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_IQ46AHGPEeSvg6fRMkuJuw" routingStyle="manhattan">
+          <customFeatures>centered</customFeatures>
+          <customFeatures>routingStyle</customFeatures>
+          <description xmi:type="style:EdgeStyleDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']/@style"/>
+          <strokeColor xmi:type="viewpoint:RGBValues" xmi:id="_IQ46AXGPEeSvg6fRMkuJuw" red="39" green="76" blue="114"/>
+          <centerLabelStyle xmi:type="diagram:CenterLabelStyle" xmi:id="_IQ46AnGPEeSvg6fRMkuJuw">
+            <labelColor xmi:type="viewpoint:RGBValues" xmi:id="_IQ46A3GPEeSvg6fRMkuJuw"/>
+          </centerLabelStyle>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:EdgeMapping" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer/@edgeMappings[name='edge']"/>
+      </ownedDiagramElements>
+      <description xmi:type="description_1:DiagramDescription" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']"/>
+      <filterVariableHistory xmi:type="diagram:FilterVariableHistory" xmi:id="_ho0BAXGOEeSvg6fRMkuJuw"/>
+      <activatedLayers xmi:type="description_1:Layer" href="useCase.odesign#//@ownedViewpoints[name='centered']/@ownedRepresentations[name='useCase']/@defaultLayer"/>
+      <target xmi:type="migrationmodeler:Diagram" href="useCase.migrationmodeler#//@representations.6"/>
+    </ownedRepresentations>
     <viewpoint xmi:type="description:Viewpoint" href="useCase.odesign#//@ownedViewpoints[name='centered']"/>
   </ownedViews>
 </viewpoint:DAnalysis>
diff --git a/plugins/org.eclipse.sirius.tests.swtbot/data/unit/centeredEdge/useCase.migrationmodeler b/plugins/org.eclipse.sirius.tests.swtbot/data/unit/centeredEdge/useCase.migrationmodeler
index 10eaa6fe54..eab1260fc6 100644
--- a/plugins/org.eclipse.sirius.tests.swtbot/data/unit/centeredEdge/useCase.migrationmodeler
+++ b/plugins/org.eclipse.sirius.tests.swtbot/data/unit/centeredEdge/useCase.migrationmodeler
@@ -80,4 +80,36 @@
     <containers id="container2"/>
     <edges id="edge1" source="//@representations.4/@containers.1" target="//@representations.4/@containers.0"/>
   </representations>
+  <representations xsi:type="migrationmodeler:Diagram" name="diagram5">
+    <containers id="container2container2container2container2container2container2container2container2container2">
+      <elements xsi:type="migrationmodeler:Bordered" id="border3"/>
+      <elements xsi:type="migrationmodeler:Bordered" id="border4"/>
+    </containers>
+    <containers id="container1container1container1container1container1container1container1container1container1container1">
+      <elements xsi:type="migrationmodeler:Bordered" id="border1"/>
+      <elements xsi:type="migrationmodeler:Bordered" id="border2"/>
+    </containers>
+    <containers id="container3"/>
+    <containers id="container4"/>
+    <nodes id="node1"/>
+    <nodes id="node2"/>
+    <nodes id="node3"/>
+    <nodes id="node4"/>
+    <edges id="edge3" source="//@representations.5/@containers.0" target="//@representations.5/@containers.2"/>
+    <edges id="edge4" source="//@representations.5/@containers.3" target="//@representations.5/@containers.1"/>
+    <edges id="edge1" source="//@representations.5/@containers.0/@elements.1" target="//@representations.5/@containers.1/@elements.1"/>
+    <edges id="edge5" source="//@representations.5/@nodes.0" target="//@representations.5/@nodes.3"/>
+    <edges id="edge6" source="//@representations.5/@nodes.2" target="//@representations.5/@nodes.1"/>
+    <edges id="edge2" source="//@representations.5/@containers.0/@elements.0" target="//@representations.5/@containers.1/@elements.0"/>
+  </representations>
+  <representations xsi:type="migrationmodeler:Diagram" name="diagram6">
+    <containers id="container1"/>
+    <containers id="container2"/>
+    <containers id="container4"/>
+    <containers id="container3"/>
+    <edges id="edge1" source="//@representations.6/@containers.0" target="//@representations.6/@containers.1"/>
+    <edges id="edge2" source="//@representations.6/@containers.1" target="//@representations.6/@containers.3"/>
+    <edges id="edge3" source="//@representations.6/@containers.3" target="//@representations.6/@containers.1"/>
+    <edges id="edge4" source="//@representations.6/@containers.2" target="//@representations.6/@containers.0"/>
+  </representations>
 </migrationmodeler:TestCase>
diff --git a/plugins/org.eclipse.sirius.tests.swtbot/src/org/eclipse/sirius/tests/swtbot/CenteredEdgesTest.java b/plugins/org.eclipse.sirius.tests.swtbot/src/org/eclipse/sirius/tests/swtbot/CenteredEdgesTest.java
index a43149b38e..27c8358687 100644
--- a/plugins/org.eclipse.sirius.tests.swtbot/src/org/eclipse/sirius/tests/swtbot/CenteredEdgesTest.java
+++ b/plugins/org.eclipse.sirius.tests.swtbot/src/org/eclipse/sirius/tests/swtbot/CenteredEdgesTest.java
@@ -19,13 +19,19 @@ import org.eclipse.draw2d.geometry.Point;
 import org.eclipse.draw2d.geometry.PointList;
 import org.eclipse.draw2d.geometry.PrecisionPoint;
 import org.eclipse.draw2d.geometry.Rectangle;
+import org.eclipse.emf.transaction.RecordingCommand;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
 import org.eclipse.gef.GraphicalEditPart;
 import org.eclipse.gef.NodeEditPart;
 import org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionEditPart;
 import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
 import org.eclipse.gmf.runtime.gef.ui.figures.SlidableAnchor;
+import org.eclipse.gmf.runtime.notation.Edge;
 import org.eclipse.sirius.business.api.preferences.SiriusPreferencesKeys;
 import org.eclipse.sirius.diagram.DDiagram;
+import org.eclipse.sirius.diagram.DEdge;
+import org.eclipse.sirius.diagram.EdgeStyle;
+import org.eclipse.sirius.diagram.description.CenteringStyle;
 import org.eclipse.sirius.diagram.ui.edit.api.part.AbstractDiagramEdgeEditPart.ViewEdgeFigure;
 import org.eclipse.sirius.diagram.ui.internal.edit.parts.DEdgeEditPart;
 import org.eclipse.sirius.diagram.ui.internal.edit.parts.DNode4EditPart;
@@ -75,6 +81,10 @@ public class CenteredEdgesTest extends AbstractSiriusSwtBotGefTestCase {
 
     private static final String REPRESENTATION_NAME_RESIZE_2 = "resizeTest2";
 
+    private static final String REPRESENTATION_NAME_AUTO_SIZE = "auto-size";
+
+    private static final String REPRESENTATION_NAME_RECTILINEAR_CASES = "rectilinearCases";
+
     private static final String RECTILINEAR_STYLE_ROUTING = "Rectilinear Style Routing";
 
     @Override
@@ -155,8 +165,6 @@ public class CenteredEdgesTest extends AbstractSiriusSwtBotGefTestCase {
         DEdgeEditPart editPart = getSingleDEdgeFrom((NodeEditPart) srcEditPart.part());
 
         assertEdgeHasExpectedSrcAnchor(editPart, (NodeEditPart) srcEditPart.part(), new PrecisionPoint(0.5, 0.5));
-        // assertEdgeHasExpectedSrcAnchor(editPart, srcEditPart, new
-        // PrecisionPoint(0.5, 0.5), new PrecisionPoint(0.5, 1));
     }
 
     /**
@@ -490,6 +498,104 @@ public class CenteredEdgesTest extends AbstractSiriusSwtBotGefTestCase {
     }
 
     /**
+     * Test that the arrange all keep the edge centered.
+     */
+    public void testArrangeAllOnStraightEdges() {
+        openDiagram(REPRESENTATION_NAME_MOVING);
+        editor.clickContextMenu("Arrange All");
+        SWTBotUtils.waitAllUiEvents();
+
+        SWTBotGefConnectionEditPart edge3BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge3", DEdgeEditPart.class);
+        assertEdgeHasExpectedSrcAnchor(edge3BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+        SWTBotGefConnectionEditPart edge1BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge1", DEdgeEditPart.class);
+        assertEdgeHasExpectedSrcAnchor(edge1BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+        SWTBotGefConnectionEditPart edge2BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge2", DEdgeEditPart.class);
+        assertEdgeHasExpectedTgtAnchor(edge2BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+        SWTBotGefConnectionEditPart edge4BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge4", DEdgeEditPart.class);
+        assertEdgeHasExpectedTgtAnchor(edge4BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+        SWTBotGefConnectionEditPart edge5BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge5", DEdgeEditPart.class);
+        assertEdgeHasExpectedSrcAnchor(edge5BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+        SWTBotGefConnectionEditPart edge6BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge6", DEdgeEditPart.class);
+        assertEdgeHasExpectedTgtAnchor(edge6BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+    }
+
+    /**
+     * Test that rectilinear edges with two or tree bend-points are centered for
+     * both ends when changing the style from NONE to BOTH.
+     */
+    public void testRectilinearSpecificCases() {
+        openDiagram(REPRESENTATION_NAME_RECTILINEAR_CASES);
+        SWTBotUtils.waitAllUiEvents();
+
+        SWTBotGefConnectionEditPart edge3BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge3", DEdgeEditPart.class);
+        centerEdgeEnds(edge3BotGefConnectionEditPart);
+        assertEdgeHasExpectedSrcAnchor(edge3BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+        assertEdgeHasExpectedTgtAnchor(edge3BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+        SWTBotGefConnectionEditPart edge1BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge1", DEdgeEditPart.class);
+        centerEdgeEnds(edge1BotGefConnectionEditPart);
+        assertEdgeHasExpectedSrcAnchor(edge1BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+        assertEdgeHasExpectedTgtAnchor(edge1BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+        SWTBotGefConnectionEditPart edge2BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge2", DEdgeEditPart.class);
+        centerEdgeEnds(edge2BotGefConnectionEditPart);
+        assertEdgeHasExpectedTgtAnchor(edge2BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+        assertEdgeHasExpectedSrcAnchor(edge2BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+        SWTBotGefConnectionEditPart edge4BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge4", DEdgeEditPart.class);
+        centerEdgeEnds(edge4BotGefConnectionEditPart);
+        assertEdgeHasExpectedTgtAnchor(edge4BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+        assertEdgeHasExpectedSrcAnchor(edge4BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+    }
+
+    private void centerEdgeEnds(SWTBotGefConnectionEditPart connectionEditPart) {
+
+        final DEdgeEditPart editPart = (DEdgeEditPart) connectionEditPart.part();
+        TransactionalEditingDomain transactionalEditingDomain = editPart.getEditingDomain();
+        transactionalEditingDomain.getCommandStack().execute(new RecordingCommand(transactionalEditingDomain) {
+            @Override
+            protected void doExecute() {
+                EdgeStyle edgeStyle = ((DEdge) ((Edge) editPart.getModel()).getElement()).getOwnedStyle();
+                edgeStyle.setCentered(CenteringStyle.BOTH);
+            }
+        });
+
+        bot.waitUntil(new WaitEdgeCenteringCondition((ViewEdgeFigure) connectionEditPart.part().getFigure()));
+    }
+
+    /**
+     * Test that the arrange all keep the edge centered.
+     */
+    public void testArrangeAllOnRectilinearEdges() {
+        openDiagram(REPRESENTATION_NAME_AUTO_SIZE);
+
+        editor.clickContextMenu("Arrange All");
+        SWTBotUtils.waitAllUiEvents();
+
+        SWTBotGefConnectionEditPart edge3BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge3", DEdgeEditPart.class);
+        SWTBotGefConnectionEditPart edge1BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge1", DEdgeEditPart.class);
+        SWTBotGefConnectionEditPart edge2BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge2", DEdgeEditPart.class);
+        SWTBotGefConnectionEditPart edge4BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge4", DEdgeEditPart.class);
+        SWTBotGefConnectionEditPart edge5BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge5", DEdgeEditPart.class);
+        SWTBotGefConnectionEditPart edge6BotGefConnectionEditPart = (SWTBotGefConnectionEditPart) editor.getEditPart("edge6", DEdgeEditPart.class);
+
+        assertEdgeHasExpectedSrcAnchor(edge3BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+        assertEdgeHasExpectedSrcAnchor(edge1BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+        assertEdgeHasExpectedTgtAnchor(edge2BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+        assertEdgeHasExpectedTgtAnchor(edge4BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+        assertEdgeHasExpectedSrcAnchor(edge5BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+        assertEdgeHasExpectedTgtAnchor(edge6BotGefConnectionEditPart, new PrecisionPoint(0.5, 0.5));
+
+    }
+
+    /**
      * 
      * @param gefConnectionEditPart
      * @param routingStyle
@@ -719,4 +825,45 @@ public class CenteredEdgesTest extends AbstractSiriusSwtBotGefTestCase {
 
     }
 
+    /**
+     * Condition to wait until an edge is centered on both ends.
+     * 
+     * @author fbarbin
+     *
+     */
+    private class WaitEdgeCenteringCondition extends DefaultCondition {
+
+        private ViewEdgeFigure figure;
+
+        /**
+         * Constructor.
+         * 
+         * @param figure
+         *            the edge figure.
+         */
+        public WaitEdgeCenteringCondition(ViewEdgeFigure figure) {
+            this.figure = figure;
+        }
+
+        /*
+         * (non-Javadoc)
+         * @see org.eclipse.swtbot.swt.finder.waits.ICondition#test()
+         */
+        @Override
+        public boolean test() throws Exception {
+            return figure.isSourceCentered() && figure.isTargetCentered();
+        }
+
+        /*
+         * (non-Javadoc)
+         * @see
+         * org.eclipse.swtbot.swt.finder.waits.ICondition#getFailureMessage()
+         */
+        @Override
+        public String getFailureMessage() {
+            return "the edge should be centered for both source and target";
+        }
+
+    }
+
 }