examples/org.eclipse.gmf.sketch/src/org/eclipse/gmf/sketch/impl/SketchDiagramImpl.java

/*
 * Copyright (c) 2007 Borland Software Corporation
 * 
 * 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:
 *    Dmitry Stadnik (Borland) - initial API and implementation
 */
package org.eclipse.gmf.sketch.impl;

import java.util.Collection;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

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

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

import org.eclipse.gmf.sketch.SketchDiagram;
import org.eclipse.gmf.sketch.SketchLink;
import org.eclipse.gmf.sketch.SketchNode;
import org.eclipse.gmf.sketch.SketchPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Diagram</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.gmf.sketch.impl.SketchDiagramImpl#getNodes <em>Nodes</em>}</li>
 *   <li>{@link org.eclipse.gmf.sketch.impl.SketchDiagramImpl#getLinks <em>Links</em>}</li>
 *   <li>{@link org.eclipse.gmf.sketch.impl.SketchDiagramImpl#getType <em>Type</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class SketchDiagramImpl extends SketchDiagramElementImpl implements SketchDiagram {

	/**
	 * The cached value of the '{@link #getNodes() <em>Nodes</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getNodes()
	 * @generated
	 * @ordered
	 */
	protected EList<SketchNode> nodes;

	/**
	 * The cached value of the '{@link #getLinks() <em>Links</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getLinks()
	 * @generated
	 * @ordered
	 */
	protected EList<SketchLink> links;

	/**
	 * The cached value of the '{@link #getType() <em>Type</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getType()
	 * @generated
	 * @ordered
	 */
	protected EClass type;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<SketchNode> getNodes() {
		if (nodes == null) {
			nodes = new EObjectContainmentEList<SketchNode>(SketchNode.class, this, SketchPackage.SKETCH_DIAGRAM__NODES);
		}
		return nodes;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<SketchLink> getLinks() {
		if (links == null) {
			links = new EObjectContainmentEList<SketchLink>(SketchLink.class, this, SketchPackage.SKETCH_DIAGRAM__LINKS);
		}
		return links;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EClass getType() {
		if (type != null && type.eIsProxy()) {
			InternalEObject oldType = (InternalEObject) type;
			type = (EClass) eResolveProxy(oldType);
			if (type != oldType) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, SketchPackage.SKETCH_DIAGRAM__TYPE, oldType, type));
			}
		}
		return type;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EClass basicGetType() {
		return type;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setType(EClass newType) {
		EClass oldType = type;
		type = newType;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, SketchPackage.SKETCH_DIAGRAM__TYPE, oldType, type));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
		case SketchPackage.SKETCH_DIAGRAM__NODES:
			return ((InternalEList<?>) getNodes()).basicRemove(otherEnd, msgs);
		case SketchPackage.SKETCH_DIAGRAM__LINKS:
			return ((InternalEList<?>) getLinks()).basicRemove(otherEnd, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case SketchPackage.SKETCH_DIAGRAM__NODES:
			return getNodes();
		case SketchPackage.SKETCH_DIAGRAM__LINKS:
			return getLinks();
		case SketchPackage.SKETCH_DIAGRAM__TYPE:
			if (resolve)
				return getType();
			return basicGetType();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case SketchPackage.SKETCH_DIAGRAM__NODES:
			getNodes().clear();
			getNodes().addAll((Collection<? extends SketchNode>) newValue);
			return;
		case SketchPackage.SKETCH_DIAGRAM__LINKS:
			getLinks().clear();
			getLinks().addAll((Collection<? extends SketchLink>) newValue);
			return;
		case SketchPackage.SKETCH_DIAGRAM__TYPE:
			setType((EClass) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case SketchPackage.SKETCH_DIAGRAM__NODES:
			getNodes().clear();
			return;
		case SketchPackage.SKETCH_DIAGRAM__LINKS:
			getLinks().clear();
			return;
		case SketchPackage.SKETCH_DIAGRAM__TYPE:
			setType((EClass) null);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case SketchPackage.SKETCH_DIAGRAM__NODES:
			return nodes != null && !nodes.isEmpty();
		case SketchPackage.SKETCH_DIAGRAM__LINKS:
			return links != null && !links.isEmpty();
		case SketchPackage.SKETCH_DIAGRAM__TYPE:
			return type != null;
		}
		return super.eIsSet(featureID);
	}

} //SketchDiagramImpl