DiagramLinkImpl.java

/**
 */
package org.eclipse.gmf.tooling.examples.shortcut.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
import org.eclipse.gmf.tooling.examples.shortcut.DiagramLink;
import org.eclipse.gmf.tooling.examples.shortcut.DiagramNode;
import org.eclipse.gmf.tooling.examples.shortcut.ShortcutPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Diagram Link</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.gmf.tooling.examples.shortcut.impl.DiagramLinkImpl#getSourceNode <em>Source Node</em>}</li>
 *   <li>{@link org.eclipse.gmf.tooling.examples.shortcut.impl.DiagramLinkImpl#getTargetNode <em>Target Node</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class DiagramLinkImpl extends MinimalEObjectImpl.Container implements DiagramLink {
	/**
	 * The cached value of the '{@link #getSourceNode() <em>Source Node</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getSourceNode()
	 * @generated
	 * @ordered
	 */
	protected DiagramNode sourceNode;

	/**
	 * The cached value of the '{@link #getTargetNode() <em>Target Node</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTargetNode()
	 * @generated
	 * @ordered
	 */
	protected DiagramNode targetNode;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected DiagramLinkImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return ShortcutPackage.Literals.DIAGRAM_LINK;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public DiagramNode getSourceNode() {
		if (sourceNode != null && sourceNode.eIsProxy()) {
			InternalEObject oldSourceNode = (InternalEObject)sourceNode;
			sourceNode = (DiagramNode)eResolveProxy(oldSourceNode);
			if (sourceNode != oldSourceNode) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, ShortcutPackage.DIAGRAM_LINK__SOURCE_NODE, oldSourceNode, sourceNode));
			}
		}
		return sourceNode;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public DiagramNode basicGetSourceNode() {
		return sourceNode;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setSourceNode(DiagramNode newSourceNode) {
		DiagramNode oldSourceNode = sourceNode;
		sourceNode = newSourceNode;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ShortcutPackage.DIAGRAM_LINK__SOURCE_NODE, oldSourceNode, sourceNode));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public DiagramNode getTargetNode() {
		if (targetNode != null && targetNode.eIsProxy()) {
			InternalEObject oldTargetNode = (InternalEObject)targetNode;
			targetNode = (DiagramNode)eResolveProxy(oldTargetNode);
			if (targetNode != oldTargetNode) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, ShortcutPackage.DIAGRAM_LINK__TARGET_NODE, oldTargetNode, targetNode));
			}
		}
		return targetNode;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public DiagramNode basicGetTargetNode() {
		return targetNode;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTargetNode(DiagramNode newTargetNode) {
		DiagramNode oldTargetNode = targetNode;
		targetNode = newTargetNode;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ShortcutPackage.DIAGRAM_LINK__TARGET_NODE, oldTargetNode, targetNode));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case ShortcutPackage.DIAGRAM_LINK__SOURCE_NODE:
				if (resolve) return getSourceNode();
				return basicGetSourceNode();
			case ShortcutPackage.DIAGRAM_LINK__TARGET_NODE:
				if (resolve) return getTargetNode();
				return basicGetTargetNode();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case ShortcutPackage.DIAGRAM_LINK__SOURCE_NODE:
				setSourceNode((DiagramNode)newValue);
				return;
			case ShortcutPackage.DIAGRAM_LINK__TARGET_NODE:
				setTargetNode((DiagramNode)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ShortcutPackage.DIAGRAM_LINK__SOURCE_NODE:
				setSourceNode((DiagramNode)null);
				return;
			case ShortcutPackage.DIAGRAM_LINK__TARGET_NODE:
				setTargetNode((DiagramNode)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ShortcutPackage.DIAGRAM_LINK__SOURCE_NODE:
				return sourceNode != null;
			case ShortcutPackage.DIAGRAM_LINK__TARGET_NODE:
				return targetNode != null;
		}
		return super.eIsSet(featureID);
	}

} //DiagramLinkImpl