/*******************************************************************************
 * Copyright (c) 2009, 2011 SAP AG 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:
 *     SAP AG - initial API and implementation
 ******************************************************************************
 * $Id: NamedValueDeclarationImpl.java,v 1.2 2011/03/05 21:37:35 auhl Exp $
 */
package behavioral.actions.impl;

import behavioral.actions.ActionsPackage;
import behavioral.actions.NamedValueDeclaration;
import behavioral.actions.NamedValueWithOptionalInitExpression;

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>Named Value Declaration</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link behavioral.actions.impl.NamedValueDeclarationImpl#getNamedValue <em>Named Value</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class NamedValueDeclarationImpl extends StatementImpl implements NamedValueDeclaration {
	/**
	 * The cached value of the '{@link #getNamedValue() <em>Named Value</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getNamedValue()
	 * @generated
	 * @ordered
	 */
	protected NamedValueWithOptionalInitExpression namedValue;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NamedValueWithOptionalInitExpression getNamedValue() {
		if (namedValue != null && namedValue.eIsProxy()) {
			InternalEObject oldNamedValue = (InternalEObject)namedValue;
			namedValue = (NamedValueWithOptionalInitExpression)eResolveProxy(oldNamedValue);
			if (namedValue != oldNamedValue) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, ActionsPackage.NAMED_VALUE_DECLARATION__NAMED_VALUE, oldNamedValue, namedValue));
			}
		}
		return namedValue;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NamedValueWithOptionalInitExpression basicGetNamedValue() {
		return namedValue;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetNamedValue(NamedValueWithOptionalInitExpression newNamedValue, NotificationChain msgs) {
		NamedValueWithOptionalInitExpression oldNamedValue = namedValue;
		namedValue = newNamedValue;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ActionsPackage.NAMED_VALUE_DECLARATION__NAMED_VALUE, oldNamedValue, newNamedValue);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setNamedValue(NamedValueWithOptionalInitExpression newNamedValue) {
		if (newNamedValue != namedValue) {
			NotificationChain msgs = null;
			if (namedValue != null)
				msgs = ((InternalEObject)namedValue).eInverseRemove(this, ActionsPackage.NAMED_VALUE_WITH_OPTIONAL_INIT_EXPRESSION__NAMED_VALUE_DECLARATION, NamedValueWithOptionalInitExpression.class, msgs);
			if (newNamedValue != null)
				msgs = ((InternalEObject)newNamedValue).eInverseAdd(this, ActionsPackage.NAMED_VALUE_WITH_OPTIONAL_INIT_EXPRESSION__NAMED_VALUE_DECLARATION, NamedValueWithOptionalInitExpression.class, msgs);
			msgs = basicSetNamedValue(newNamedValue, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ActionsPackage.NAMED_VALUE_DECLARATION__NAMED_VALUE, newNamedValue, newNamedValue));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ActionsPackage.NAMED_VALUE_DECLARATION__NAMED_VALUE:
				if (namedValue != null)
					msgs = ((InternalEObject)namedValue).eInverseRemove(this, ActionsPackage.NAMED_VALUE_WITH_OPTIONAL_INIT_EXPRESSION__NAMED_VALUE_DECLARATION, NamedValueWithOptionalInitExpression.class, msgs);
				return basicSetNamedValue((NamedValueWithOptionalInitExpression)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 ActionsPackage.NAMED_VALUE_DECLARATION__NAMED_VALUE:
				return basicSetNamedValue(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 ActionsPackage.NAMED_VALUE_DECLARATION__NAMED_VALUE:
				if (resolve) return getNamedValue();
				return basicGetNamedValue();
		}
		return super.eGet(featureID, resolve, coreType);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ActionsPackage.NAMED_VALUE_DECLARATION__NAMED_VALUE:
				setNamedValue((NamedValueWithOptionalInitExpression)null);
				return;
		}
		super.eUnset(featureID);
	}

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

} //NamedValueDeclarationImpl