/*******************************************************************************
 * Copyright (c) 2010 Martin Schnabel <mb0@mb0.org>.
 * 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
 ******************************************************************************/
package org.axdt.as3.model.impl;

import org.axdt.as3.As3EPackage;
import org.axdt.as3.model.As3NewExpression;
import org.axdt.as3.model.IPostfixExpression;
import org.axdt.avm.util.AvmTypeAccess;
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;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>As3 New Expression</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.axdt.as3.model.impl.As3NewExpressionImpl#getTarget <em>Target</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class As3NewExpressionImpl extends IExpressionImpl implements As3NewExpression {
	/**
	 * The cached value of the '{@link #getTarget() <em>Target</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTarget()
	 * @generated
	 * @ordered
	 */
	protected IPostfixExpression target;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected As3NewExpressionImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return As3EPackage.Literals.AS3_NEW_EXPRESSION;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public IPostfixExpression getTarget() {
		return target;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetTarget(IPostfixExpression newTarget, NotificationChain msgs) {
		IPostfixExpression oldTarget = target;
		target = newTarget;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, As3EPackage.AS3_NEW_EXPRESSION__TARGET, oldTarget, newTarget);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTarget(IPostfixExpression newTarget) {
		if (newTarget != target) {
			NotificationChain msgs = null;
			if (target != null)
				msgs = ((InternalEObject)target).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - As3EPackage.AS3_NEW_EXPRESSION__TARGET, null, msgs);
			if (newTarget != null)
				msgs = ((InternalEObject)newTarget).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - As3EPackage.AS3_NEW_EXPRESSION__TARGET, null, msgs);
			msgs = basicSetTarget(newTarget, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, As3EPackage.AS3_NEW_EXPRESSION__TARGET, newTarget, newTarget));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case As3EPackage.AS3_NEW_EXPRESSION__TARGET:
				return basicSetTarget(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 As3EPackage.AS3_NEW_EXPRESSION__TARGET:
				return getTarget();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case As3EPackage.AS3_NEW_EXPRESSION__TARGET:
				setTarget((IPostfixExpression)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case As3EPackage.AS3_NEW_EXPRESSION__TARGET:
				setTarget((IPostfixExpression)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case As3EPackage.AS3_NEW_EXPRESSION__TARGET:
				return target != null;
		}
		return super.eIsSet(featureID);
	}

	@Override
	public AvmTypeAccess resolveType() {
		IPostfixExpression expression = getTarget();
		if (expression == null)
			return AvmTypeAccess.NULL;
		return expression.resolveType();
	}

} //As3NewExpressionImpl