/**
 * *******************************************************************************
 * 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:
 * 
 *     Fabien Giquel (Mia-Software) - initial API and implementation
 *     Gregoire DUPE (Mia-Software) - initial API and implementation
 * *******************************************************************************
 *
 * $Id$
 */
package org.eclipse.modisco.java.nousages.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.modisco.java.Expression;
import org.eclipse.modisco.java.ForStatement;
import org.eclipse.modisco.java.Statement;
import org.eclipse.modisco.java.nousages.meta.JavaPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>For Statement</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.modisco.java.nousages.impl.ForStatementImpl#getExpression <em>Expression</em>}</li>
 *   <li>{@link org.eclipse.modisco.java.nousages.impl.ForStatementImpl#getUpdaters <em>Updaters</em>}</li>
 *   <li>{@link org.eclipse.modisco.java.nousages.impl.ForStatementImpl#getInitializers <em>Initializers</em>}</li>
 *   <li>{@link org.eclipse.modisco.java.nousages.impl.ForStatementImpl#getBody <em>Body</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ForStatementImpl extends StatementImpl implements ForStatement {
	/**
	 * The cached value of the '{@link #getExpression() <em>Expression</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getExpression()
	 * @generated
	 * @ordered
	 */
	protected Expression expression;

	/**
	 * The cached value of the '{@link #getUpdaters() <em>Updaters</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getUpdaters()
	 * @generated
	 * @ordered
	 */
	protected EList<Expression> updaters;

	/**
	 * The cached value of the '{@link #getInitializers() <em>Initializers</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getInitializers()
	 * @generated
	 * @ordered
	 */
	protected EList<Expression> initializers;

	/**
	 * The cached value of the '{@link #getBody() <em>Body</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getBody()
	 * @generated
	 * @ordered
	 */
	protected Statement body;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ForStatementImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return JavaPackage.eINSTANCE.getForStatement();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Expression getExpression() {
		return expression;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetExpression(Expression newExpression, NotificationChain msgs) {
		Expression oldExpression = expression;
		expression = newExpression;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, JavaPackage.FOR_STATEMENT__EXPRESSION, oldExpression, newExpression);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setExpression(Expression newExpression) {
		if (newExpression != expression) {
			NotificationChain msgs = null;
			if (expression != null)
				msgs = ((InternalEObject)expression).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - JavaPackage.FOR_STATEMENT__EXPRESSION, null, msgs);
			if (newExpression != null)
				msgs = ((InternalEObject)newExpression).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - JavaPackage.FOR_STATEMENT__EXPRESSION, null, msgs);
			msgs = basicSetExpression(newExpression, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, JavaPackage.FOR_STATEMENT__EXPRESSION, newExpression, newExpression));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Expression> getUpdaters() {
		if (updaters == null) {
			updaters = new EObjectContainmentEList<Expression>(Expression.class, this, JavaPackage.FOR_STATEMENT__UPDATERS);
		}
		return updaters;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Expression> getInitializers() {
		if (initializers == null) {
			initializers = new EObjectContainmentEList<Expression>(Expression.class, this, JavaPackage.FOR_STATEMENT__INITIALIZERS);
		}
		return initializers;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Statement getBody() {
		return body;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetBody(Statement newBody, NotificationChain msgs) {
		Statement oldBody = body;
		body = newBody;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, JavaPackage.FOR_STATEMENT__BODY, oldBody, newBody);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setBody(Statement newBody) {
		if (newBody != body) {
			NotificationChain msgs = null;
			if (body != null)
				msgs = ((InternalEObject)body).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - JavaPackage.FOR_STATEMENT__BODY, null, msgs);
			if (newBody != null)
				msgs = ((InternalEObject)newBody).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - JavaPackage.FOR_STATEMENT__BODY, null, msgs);
			msgs = basicSetBody(newBody, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, JavaPackage.FOR_STATEMENT__BODY, newBody, newBody));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case JavaPackage.FOR_STATEMENT__EXPRESSION:
				return basicSetExpression(null, msgs);
			case JavaPackage.FOR_STATEMENT__UPDATERS:
				return ((InternalEList<?>)getUpdaters()).basicRemove(otherEnd, msgs);
			case JavaPackage.FOR_STATEMENT__INITIALIZERS:
				return ((InternalEList<?>)getInitializers()).basicRemove(otherEnd, msgs);
			case JavaPackage.FOR_STATEMENT__BODY:
				return basicSetBody(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.FOR_STATEMENT__EXPRESSION:
				return getExpression();
			case JavaPackage.FOR_STATEMENT__UPDATERS:
				return getUpdaters();
			case JavaPackage.FOR_STATEMENT__INITIALIZERS:
				return getInitializers();
			case JavaPackage.FOR_STATEMENT__BODY:
				return getBody();
		}
		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 JavaPackage.FOR_STATEMENT__EXPRESSION:
				setExpression((Expression)newValue);
				return;
			case JavaPackage.FOR_STATEMENT__UPDATERS:
				getUpdaters().clear();
				getUpdaters().addAll((Collection<? extends Expression>)newValue);
				return;
			case JavaPackage.FOR_STATEMENT__INITIALIZERS:
				getInitializers().clear();
				getInitializers().addAll((Collection<? extends Expression>)newValue);
				return;
			case JavaPackage.FOR_STATEMENT__BODY:
				setBody((Statement)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case JavaPackage.FOR_STATEMENT__EXPRESSION:
				setExpression((Expression)null);
				return;
			case JavaPackage.FOR_STATEMENT__UPDATERS:
				getUpdaters().clear();
				return;
			case JavaPackage.FOR_STATEMENT__INITIALIZERS:
				getInitializers().clear();
				return;
			case JavaPackage.FOR_STATEMENT__BODY:
				setBody((Statement)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case JavaPackage.FOR_STATEMENT__EXPRESSION:
				return expression != null;
			case JavaPackage.FOR_STATEMENT__UPDATERS:
				return updaters != null && !updaters.isEmpty();
			case JavaPackage.FOR_STATEMENT__INITIALIZERS:
				return initializers != null && !initializers.isEmpty();
			case JavaPackage.FOR_STATEMENT__BODY:
				return body != null;
		}
		return super.eIsSet(featureID);
	}

} //ForStatementImpl