//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 IBM Corporation 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:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.uma.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.epf.uma.UmaPackage;
import org.eclipse.epf.uma.VariabilityElement;
import org.eclipse.epf.uma.VariabilityType;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Variability Element</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.epf.uma.impl.VariabilityElementImpl#getVariabilityType <em>Variability Type</em>}</li>
 *   <li>{@link org.eclipse.epf.uma.impl.VariabilityElementImpl#getVariabilityBasedOnElement <em>Variability Based On Element</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class VariabilityElementImpl extends MethodElementImpl
		implements VariabilityElement {
	/**
	 * The default value of the '{@link #getVariabilityType() <em>Variability Type</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getVariabilityType()
	 * @generated
	 * @ordered
	 */
	protected static final VariabilityType VARIABILITY_TYPE_EDEFAULT = VariabilityType.NA;

	/**
	 * The cached value of the '{@link #getVariabilityType() <em>Variability Type</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getVariabilityType()
	 * @generated
	 * @ordered
	 */
	protected VariabilityType variabilityType = VARIABILITY_TYPE_EDEFAULT;

	/**
	 * The cached value of the '{@link #getVariabilityBasedOnElement() <em>Variability Based On Element</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getVariabilityBasedOnElement()
	 * @generated
	 * @ordered
	 */
	protected VariabilityElement variabilityBasedOnElement;

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

		//UMA-->
		reassignDefaultValues();
		//UMA<--  
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public VariabilityType getVariabilityType() {
		return variabilityType;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setVariabilityType(VariabilityType newVariabilityType) {
		VariabilityType oldVariabilityType = variabilityType;
		variabilityType = newVariabilityType == null ? VARIABILITY_TYPE_EDEFAULT
				: newVariabilityType;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_TYPE,
					oldVariabilityType, variabilityType));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public VariabilityElement getVariabilityBasedOnElement() {
		if (variabilityBasedOnElement != null
				&& ((EObject) variabilityBasedOnElement).eIsProxy()) {
			InternalEObject oldVariabilityBasedOnElement = (InternalEObject) variabilityBasedOnElement;
			variabilityBasedOnElement = (VariabilityElement) eResolveProxy(oldVariabilityBasedOnElement);
			if (variabilityBasedOnElement != oldVariabilityBasedOnElement) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(
							this,
							Notification.RESOLVE,
							UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_BASED_ON_ELEMENT,
							oldVariabilityBasedOnElement,
							variabilityBasedOnElement));
			}
		}
		return variabilityBasedOnElement;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public VariabilityElement basicGetVariabilityBasedOnElement() {
		return variabilityBasedOnElement;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setVariabilityBasedOnElement(
			VariabilityElement newVariabilityBasedOnElement) {
		VariabilityElement oldVariabilityBasedOnElement = variabilityBasedOnElement;
		variabilityBasedOnElement = newVariabilityBasedOnElement;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(
					this,
					Notification.SET,
					UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_BASED_ON_ELEMENT,
					oldVariabilityBasedOnElement, variabilityBasedOnElement));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_TYPE:
			return getVariabilityType();
		case UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_BASED_ON_ELEMENT:
			if (resolve)
				return getVariabilityBasedOnElement();
			return basicGetVariabilityBasedOnElement();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_TYPE:
			setVariabilityType((VariabilityType) newValue);
			return;
		case UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_BASED_ON_ELEMENT:
			setVariabilityBasedOnElement((VariabilityElement) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_TYPE:
			setVariabilityType(VARIABILITY_TYPE_EDEFAULT);
			return;
		case UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_BASED_ON_ELEMENT:
			setVariabilityBasedOnElement((VariabilityElement) null);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		//UMA-->
		EStructuralFeature feature = getFeatureWithOverridenDefaultValue(featureID);
		if (feature != null) {
			return isFeatureWithOverridenDefaultValueSet(feature);
		}
		//UMA<--		
		switch (featureID) {
		case UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_TYPE:
			return variabilityType != VARIABILITY_TYPE_EDEFAULT;
		case UmaPackage.VARIABILITY_ELEMENT__VARIABILITY_BASED_ON_ELEMENT:
			return variabilityBasedOnElement != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy())
			return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (variabilityType: "); //$NON-NLS-1$
		result.append(variabilityType);
		result.append(')');
		return result.toString();
	}

} //VariabilityElementImpl