/**
 * *******************************************************************************
 * Copyright (c) 2009 Mia-Software 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:
 * 
 *     Sebastien Minguet (Mia-Software) - initial API and implementation
 *     Frederic Madiot (Mia-Software) - initial API and implementation
 *     Fabien Giquel (Mia-Software) - initial API and implementation
 *     Gabriel Barbier (Mia-Software) - initial API and implementation
 *     Erwan Breton (Sodifrance) - initial API and implementation
 *     Romain Dervaux (Mia-Software) - initial API and implementation
 * *******************************************************************************
 *
 * $Id$
 */
package org.eclipse.modisco.java.emf.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.modisco.java.BreakStatement;
import org.eclipse.modisco.java.LabeledStatement;

import org.eclipse.modisco.java.emf.JavaPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Break Statement</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.modisco.java.emf.impl.BreakStatementImpl#getLabel <em>Label</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class BreakStatementImpl extends StatementImpl implements BreakStatement {
	/**
	 * The cached value of the '{@link #getLabel() <em>Label</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getLabel()
	 * @generated
	 * @ordered
	 */
	protected LabeledStatement label;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected BreakStatementImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return JavaPackage.eINSTANCE.getBreakStatement();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public LabeledStatement getLabel() {
		if (label != null && label.eIsProxy()) {
			InternalEObject oldLabel = (InternalEObject)label;
			label = (LabeledStatement)eResolveProxy(oldLabel);
			if (label != oldLabel) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, JavaPackage.BREAK_STATEMENT__LABEL, oldLabel, label));
			}
		}
		return label;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public LabeledStatement basicGetLabel() {
		return label;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetLabel(LabeledStatement newLabel, NotificationChain msgs) {
		LabeledStatement oldLabel = label;
		label = newLabel;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, JavaPackage.BREAK_STATEMENT__LABEL, oldLabel, newLabel);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setLabel(LabeledStatement newLabel) {
		if (newLabel != label) {
			NotificationChain msgs = null;
			if (label != null)
				msgs = ((InternalEObject)label).eInverseRemove(this, JavaPackage.LABELED_STATEMENT__USAGES_IN_BREAK_STATEMENTS, LabeledStatement.class, msgs);
			if (newLabel != null)
				msgs = ((InternalEObject)newLabel).eInverseAdd(this, JavaPackage.LABELED_STATEMENT__USAGES_IN_BREAK_STATEMENTS, LabeledStatement.class, msgs);
			msgs = basicSetLabel(newLabel, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, JavaPackage.BREAK_STATEMENT__LABEL, newLabel, newLabel));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case JavaPackage.BREAK_STATEMENT__LABEL:
				if (label != null)
					msgs = ((InternalEObject)label).eInverseRemove(this, JavaPackage.LABELED_STATEMENT__USAGES_IN_BREAK_STATEMENTS, LabeledStatement.class, msgs);
				return basicSetLabel((LabeledStatement)otherEnd, msgs);
		}
		return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case JavaPackage.BREAK_STATEMENT__LABEL:
				return basicSetLabel(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 JavaPackage.BREAK_STATEMENT__LABEL:
				if (resolve) return getLabel();
				return basicGetLabel();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case JavaPackage.BREAK_STATEMENT__LABEL:
				setLabel((LabeledStatement)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case JavaPackage.BREAK_STATEMENT__LABEL:
				setLabel((LabeledStatement)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case JavaPackage.BREAK_STATEMENT__LABEL:
				return label != null;
		}
		return super.eIsSet(featureID);
	}

} //BreakStatementImpl