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/**
* Copyright (c) 2014 CEA LIST.
*
* 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.dd.di;
import org.eclipse.emf.common.util.EList;
import org.eclipse.papyrus.dd.dc.Point;
/**
* <!-- begin-user-doc --> A representation of the model object '
* <em><b>Edge</b></em>'. <!-- end-user-doc -->
*
* <!-- begin-model-doc -->
* Edge is a diagram element that renders as a polyline, connecting a source diagram element to a target diagram element, and is positioned relative to the origin of the diagram.
* <!-- end-model-doc -->
*
* <p>
* The following features are supported:
* <ul>
* <li>{@link org.eclipse.papyrus.dd.di.Edge#getSourceDiagramElement <em>Source Diagram Element</em>}</li>
* <li>{@link org.eclipse.papyrus.dd.di.Edge#getWaypoint <em>Waypoint</em>}</li>
* <li>{@link org.eclipse.papyrus.dd.di.Edge#getTargetDiagramElement <em>Target Diagram Element</em>}</li>
* </ul>
* </p>
*
* @see org.eclipse.papyrus.dd.di.DIPackage#getEdge()
* @model abstract="true"
* @generated
*/
public interface Edge extends DiagramElement {
/**
* Returns the value of the '<em><b>Source Diagram Element</b></em>' reference.
* It is bidirectional and its opposite is '{@link org.eclipse.papyrus.dd.di.DiagramElement#getSourceEdge <em>Source Edge</em>}'.
* This feature is a derived union.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* <!-- begin-model-doc -->
* the edge's source diagram element, i.e. where the edge starts from.
* <!-- end-model-doc -->
* @return the value of the '<em>Source Diagram Element</em>' reference.
* @see org.eclipse.papyrus.dd.di.DIPackage#getEdge_SourceDiagramElement()
* @see org.eclipse.papyrus.dd.di.DiagramElement#getSourceEdge
* @model opposite="sourceEdge" required="true" transient="true" changeable="false" volatile="true" derived="true" ordered="false"
* @generated
*/
DiagramElement getSourceDiagramElement();
/**
* Returns the value of the '<em><b>Waypoint</b></em>' containment reference
* list. The list contents are of type
* {@link org.eclipse.papyrus.dd.dc.Point}. <!-- begin-user-doc --> <!--
* end-user-doc --> <!-- begin-model-doc --> an optional list of points
* relative to the origin of the nesting diagram that specifies the
* connected line segments of the edge <!-- end-model-doc -->
*
* @return the value of the '<em>Waypoint</em>' containment reference list.
* @see org.eclipse.papyrus.dd.di.DIPackage#getEdge_Waypoint()
* @model containment="true"
* @generated
*/
EList<Point> getWaypoint();
/**
* Returns the value of the '<em><b>Target Diagram Element</b></em>' reference.
* It is bidirectional and its opposite is '{@link org.eclipse.papyrus.dd.di.DiagramElement#getTargetEdge <em>Target Edge</em>}'.
* This feature is a derived union.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* <!-- begin-model-doc -->
* the edge's target diagram element, i.e. where the edge ends at.
* <!-- end-model-doc -->
* @return the value of the '<em>Target Diagram Element</em>' reference.
* @see org.eclipse.papyrus.dd.di.DIPackage#getEdge_TargetDiagramElement()
* @see org.eclipse.papyrus.dd.di.DiagramElement#getTargetEdge
* @model opposite="targetEdge" required="true" transient="true" changeable="false" volatile="true" derived="true" ordered="false"
* @generated
*/
DiagramElement getTargetDiagramElement();
} // Edge
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