ReferenceChangeImpl.java

/**
 * Copyright (c) 2012 Obeo.
 * 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.emf.compare.impl;

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

import org.eclipse.emf.compare.ComparePackage;
import org.eclipse.emf.compare.ReferenceChange;

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

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

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Reference Change</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.emf.compare.impl.ReferenceChangeImpl#getReference <em>Reference</em>}</li>
 *   <li>{@link org.eclipse.emf.compare.impl.ReferenceChangeImpl#getValue <em>Value</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ReferenceChangeImpl extends DiffImpl implements ReferenceChange {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("hiding")
	// generated code, removing warnings
	public static final String copyright = "Copyright (c) 2012 Obeo.\r\nAll rights reserved. This program and the accompanying materials\r\nare made available under the terms of the Eclipse Public License v1.0\r\nwhich accompanies this distribution, and is available at\r\nhttp://www.eclipse.org/legal/epl-v10.html\r\n\r\nContributors:\r\n    Obeo - initial API and implementation"; //$NON-NLS-1$

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EReference getReference() {
		if (reference != null && reference.eIsProxy()) {
			InternalEObject oldReference = (InternalEObject)reference;
			reference = (EReference)eResolveProxy(oldReference);
			if (reference != oldReference) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
							ComparePackage.REFERENCE_CHANGE__REFERENCE, oldReference, reference));
			}
		}
		return reference;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EReference basicGetReference() {
		return reference;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setReference(EReference newReference) {
		EReference oldReference = reference;
		reference = newReference;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ComparePackage.REFERENCE_CHANGE__REFERENCE,
					oldReference, reference));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EObject getValue() {
		if (value != null && value.eIsProxy()) {
			InternalEObject oldValue = (InternalEObject)value;
			value = eResolveProxy(oldValue);
			if (value != oldValue) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
							ComparePackage.REFERENCE_CHANGE__VALUE, oldValue, value));
			}
		}
		return value;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EObject basicGetValue() {
		return value;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setValue(EObject newValue) {
		EObject oldValue = value;
		value = newValue;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ComparePackage.REFERENCE_CHANGE__VALUE,
					oldValue, value));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case ComparePackage.REFERENCE_CHANGE__REFERENCE:
				if (resolve)
					return getReference();
				return basicGetReference();
			case ComparePackage.REFERENCE_CHANGE__VALUE:
				if (resolve)
					return getValue();
				return basicGetValue();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case ComparePackage.REFERENCE_CHANGE__REFERENCE:
				setReference((EReference)newValue);
				return;
			case ComparePackage.REFERENCE_CHANGE__VALUE:
				setValue((EObject)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ComparePackage.REFERENCE_CHANGE__REFERENCE:
				setReference((EReference)null);
				return;
			case ComparePackage.REFERENCE_CHANGE__VALUE:
				setValue((EObject)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ComparePackage.REFERENCE_CHANGE__REFERENCE:
				return reference != null;
			case ComparePackage.REFERENCE_CHANGE__VALUE:
				return value != null;
		}
		return super.eIsSet(featureID);
	}

} //ReferenceChangeImpl