/**
 * <copyright>
 * Copyright (c) 2013 Willink Transformations, University of York, and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 * 
 * Contributors:
 *   E.D.Willink - Initial API and implementation
 *   Adolfo Sanchez-Barbudo (University of York) - Bug397429
 * </copyright>
 */
package org.eclipse.qvto.examples.pivot.imperativeocl.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.ocl.pivot.OCLExpression;
import org.eclipse.ocl.pivot.util.Visitor;
import org.eclipse.qvto.examples.pivot.imperativeocl.AltExp;
import org.eclipse.qvto.examples.pivot.imperativeocl.ImperativeOCLPackage;
import org.eclipse.qvto.examples.pivot.imperativeocl.util.ImperativeOCLVisitor;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Alt Exp</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.qvto.examples.pivot.imperativeocl.impl.AltExpImpl#getBody <em>Body</em>}</li>
 *   <li>{@link org.eclipse.qvto.examples.pivot.imperativeocl.impl.AltExpImpl#getCondition <em>Condition</em>}</li>
 * </ul>
 *
 * @generated
 */
public class AltExpImpl extends ImperativeExpressionImpl implements AltExp {
	/**
	 * The cached value of the '{@link #getBody() <em>Body</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getBody()
	 * @generated
	 * @ordered
	 */
	protected OCLExpression body;

	/**
	 * The cached value of the '{@link #getCondition() <em>Condition</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getCondition()
	 * @generated
	 * @ordered
	 */
	protected OCLExpression condition;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public OCLExpression getBody() {
		return body;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetBody(OCLExpression newBody, NotificationChain msgs) {
		OCLExpression oldBody = body;
		body = newBody;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ImperativeOCLPackage.ALT_EXP__BODY, oldBody, newBody);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setBody(OCLExpression newBody) {
		if (newBody != body) {
			NotificationChain msgs = null;
			if (body != null)
				msgs = ((InternalEObject)body).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ImperativeOCLPackage.ALT_EXP__BODY, null, msgs);
			if (newBody != null)
				msgs = ((InternalEObject)newBody).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ImperativeOCLPackage.ALT_EXP__BODY, null, msgs);
			msgs = basicSetBody(newBody, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ImperativeOCLPackage.ALT_EXP__BODY, newBody, newBody));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public OCLExpression getCondition() {
		return condition;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetCondition(OCLExpression newCondition, NotificationChain msgs) {
		OCLExpression oldCondition = condition;
		condition = newCondition;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ImperativeOCLPackage.ALT_EXP__CONDITION, oldCondition, newCondition);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setCondition(OCLExpression newCondition) {
		if (newCondition != condition) {
			NotificationChain msgs = null;
			if (condition != null)
				msgs = ((InternalEObject)condition).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ImperativeOCLPackage.ALT_EXP__CONDITION, null, msgs);
			if (newCondition != null)
				msgs = ((InternalEObject)newCondition).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ImperativeOCLPackage.ALT_EXP__CONDITION, null, msgs);
			msgs = basicSetCondition(newCondition, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ImperativeOCLPackage.ALT_EXP__CONDITION, newCondition, newCondition));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ImperativeOCLPackage.ALT_EXP__BODY:
				return basicSetBody(null, msgs);
			case ImperativeOCLPackage.ALT_EXP__CONDITION:
				return basicSetCondition(null, 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 ImperativeOCLPackage.ALT_EXP__BODY:
				return getBody();
			case ImperativeOCLPackage.ALT_EXP__CONDITION:
				return getCondition();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case ImperativeOCLPackage.ALT_EXP__BODY:
				setBody((OCLExpression)newValue);
				return;
			case ImperativeOCLPackage.ALT_EXP__CONDITION:
				setCondition((OCLExpression)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ImperativeOCLPackage.ALT_EXP__BODY:
				setBody((OCLExpression)null);
				return;
			case ImperativeOCLPackage.ALT_EXP__CONDITION:
				setCondition((OCLExpression)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ImperativeOCLPackage.ALT_EXP__BODY:
				return body != null;
			case ImperativeOCLPackage.ALT_EXP__CONDITION:
				return condition != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public <R> R accept(Visitor<R> visitor) {
		return (R) ((ImperativeOCLVisitor<?>)visitor).visitAltExp(this);
	}

} //AltExpImpl