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/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package org.eclipse.papyrus.conversion.di2;

import org.eclipse.draw2d.geometry.Point;

import org.eclipse.emf.common.util.EList;

/**
 * <!-- begin-user-doc --> A representation of the model object '<em><b>Graph Edge</b></em>'. <!--
 * end-user-doc -->
 * 
 * <p>
 * The following features are supported:
 * <ul>
 * <li>{@link org.eclipse.papyrus.conversion.di2.GraphEdge#getAnchor <em>Anchor</em>}</li>
 * <li>{@link org.eclipse.papyrus.conversion.di2.GraphEdge#getWaypoints <em>Waypoints</em>}</li>
 * </ul>
 * </p>
 * 
 * @see org.eclipse.papyrus.conversion.di2.Di2Package#getGraphEdge()
 * @model
 * @generated
 */
public interface GraphEdge extends GraphElement {

	/**
	 * Returns the value of the '<em><b>Anchor</b></em>' reference list. The list contents are of
	 * type {@link org.eclipse.papyrus.conversion.di2.GraphConnector}. It is bidirectional and
	 * its opposite is '{@link org.eclipse.papyrus.conversion.di2.GraphConnector#getGraphEdge
	 * <em>Graph Edge</em>}'. <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Anchor</em>' reference list isn't clear, there really should be
	 * more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * 
	 * @return the value of the '<em>Anchor</em>' reference list.
	 * @see org.eclipse.papyrus.conversion.di2.Di2Package#getGraphEdge_Anchor()
	 * @see org.eclipse.papyrus.conversion.di2.GraphConnector#getGraphEdge
	 * @model opposite="graphEdge" upper="2"
	 * @generated
	 */
	EList<GraphConnector> getAnchor();

	/**
	 * Returns the value of the '<em><b>Waypoints</b></em>' attribute list. The list contents are of
	 * type {@link org.eclipse.draw2d.geometry.Point}. <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Waypoints</em>' attribute list isn't clear, there really should be
	 * more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * 
	 * @return the value of the '<em>Waypoints</em>' attribute list.
	 * @see org.eclipse.papyrus.conversion.di2.Di2Package#getGraphEdge_Waypoints()
	 * @model default="" dataType="com.cea.papyrus.diagraminterchange2.di2.Point"
	 * @generated
	 */
	EList<Point> getWaypoints();

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @model kind="operation" annotation="http://www.eclipse.org/emf/2002/GenModel body='return ((GraphConnector)getAnchor().get(0)).getGraphElement();'"
	 * @generated
	 */
	GraphElement getAnchorSource();

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @model kind="operation" annotation="http://www.eclipse.org/emf/2002/GenModel body='return ((GraphConnector)getAnchor().get(1)).getGraphElement();'"
	 * @generated
	 */
	GraphElement getAnchorTarget();

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @model annotation="http://www.eclipse.org/emf/2002/GenModel body='initConnectors();\r\n((GraphConnector)getAnchor().get(0)).setGraphElement(value);'"
	 * @generated
	 */
	void setAnchorSource(GraphElement value);

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @model annotation="http://www.eclipse.org/emf/2002/GenModel body='initConnectors();\r\n((GraphConnector)getAnchor().get(1)).setGraphElement(value);'"
	 * @generated
	 */
	void setAnchorTarget(GraphElement value);

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @model annotation="http://www.eclipse.org/emf/2002/GenModel body='if(!getAnchor().isEmpty())\r\n    return;\r\n    \t\r\ngetAnchor().add( Di2Package.eINSTANCE.getDi2Factory().createGraphConnector() ) ;\r\ngetAnchor().add( Di2Package.eINSTANCE.getDi2Factory().createGraphConnector() ) ;\r\n'"
	 * @generated
	 */
	void initConnectors();

} // GraphEdge

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