/*******************************************************************************
 * Copyright (c) 2014 Willink Transformations and others.
 * 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:
 *     E.D.Willink - initial API and implementation
 *******************************************************************************/
package org.eclipse.ocl.examples.xtext2lpg.XBNFwithCardinality.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.examples.xtext2lpg.XBNF.AbstractElement;
import org.eclipse.ocl.examples.xtext2lpg.XBNF.impl.AbstractElementImpl;
import org.eclipse.ocl.examples.xtext2lpg.XBNFwithCardinality.MultiplicityElement;
import org.eclipse.ocl.examples.xtext2lpg.XBNFwithCardinality.XBNFwithCardinalityPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Multiplicity Element</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.ocl.examples.xtext2lpg.XBNFwithCardinality.impl.MultiplicityElementImpl#getElement <em>Element</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class MultiplicityElementImpl extends AbstractElementImpl implements MultiplicityElement {
	/**
	 * The cached value of the '{@link #getElement() <em>Element</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getElement()
	 * @generated
	 * @ordered
	 */
	protected AbstractElement element;
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected MultiplicityElementImpl() {
		super();
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public AbstractElement getElement() {
		return element;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetElement(AbstractElement newElement, NotificationChain msgs) {
		AbstractElement oldElement = element;
		element = newElement;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, XBNFwithCardinalityPackage.MULTIPLICITY_ELEMENT__ELEMENT, oldElement, newElement);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setElement(AbstractElement newElement) {
		if (newElement != element) {
			NotificationChain msgs = null;
			if (element != null)
				msgs = ((InternalEObject)element).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - XBNFwithCardinalityPackage.MULTIPLICITY_ELEMENT__ELEMENT, null, msgs);
			if (newElement != null)
				msgs = ((InternalEObject)newElement).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - XBNFwithCardinalityPackage.MULTIPLICITY_ELEMENT__ELEMENT, null, msgs);
			msgs = basicSetElement(newElement, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, XBNFwithCardinalityPackage.MULTIPLICITY_ELEMENT__ELEMENT, newElement, newElement));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case XBNFwithCardinalityPackage.MULTIPLICITY_ELEMENT__ELEMENT:
				return basicSetElement(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 XBNFwithCardinalityPackage.MULTIPLICITY_ELEMENT__ELEMENT:
				return getElement();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case XBNFwithCardinalityPackage.MULTIPLICITY_ELEMENT__ELEMENT:
				setElement((AbstractElement)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case XBNFwithCardinalityPackage.MULTIPLICITY_ELEMENT__ELEMENT:
				setElement((AbstractElement)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case XBNFwithCardinalityPackage.MULTIPLICITY_ELEMENT__ELEMENT:
				return element != null;
		}
		return super.eIsSet(featureID);
	}

} //MultiplicityElementImpl