/**
 * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 *  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 
 * 
 *  Based on ideas from Xtext, Xtend, Xcore
 *   
 *  Contributors:  
 *  		Joerg Riegel - Initial implementation 
 *  
 */
package org.eclipse.osbp.xtext.datamartdsl.impl;

import org.eclipse.emf.common.notify.Notification;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import org.eclipse.osbp.dsl.semantic.entity.LEntityAttribute;

import org.eclipse.osbp.xtext.datamartdsl.DatamartAttributeBase;
import org.eclipse.osbp.xtext.datamartdsl.DatamartDSLPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Datamart Attribute Base</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.osbp.xtext.datamartdsl.impl.DatamartAttributeBaseImpl#getAttributeRef <em>Attribute Ref</em>}</li>
 * </ul>
 *
 * @generated
 */
public class DatamartAttributeBaseImpl extends ExpressionImpl implements DatamartAttributeBase {
	/**
	 * The cached value of the '{@link #getAttributeRef() <em>Attribute Ref</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getAttributeRef()
	 * @generated
	 * @ordered
	 */
	protected LEntityAttribute attributeRef;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public LEntityAttribute getAttributeRef() {
		if (attributeRef != null && attributeRef.eIsProxy()) {
			InternalEObject oldAttributeRef = (InternalEObject)attributeRef;
			attributeRef = (LEntityAttribute)eResolveProxy(oldAttributeRef);
			if (attributeRef != oldAttributeRef) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, DatamartDSLPackage.DATAMART_ATTRIBUTE_BASE__ATTRIBUTE_REF, oldAttributeRef, attributeRef));
			}
		}
		return attributeRef;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public LEntityAttribute basicGetAttributeRef() {
		return attributeRef;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setAttributeRef(LEntityAttribute newAttributeRef) {
		LEntityAttribute oldAttributeRef = attributeRef;
		attributeRef = newAttributeRef;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DatamartDSLPackage.DATAMART_ATTRIBUTE_BASE__ATTRIBUTE_REF, oldAttributeRef, attributeRef));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case DatamartDSLPackage.DATAMART_ATTRIBUTE_BASE__ATTRIBUTE_REF:
				if (resolve) return getAttributeRef();
				return basicGetAttributeRef();
		}
		return super.eGet(featureID, resolve, coreType);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case DatamartDSLPackage.DATAMART_ATTRIBUTE_BASE__ATTRIBUTE_REF:
				setAttributeRef((LEntityAttribute)null);
				return;
		}
		super.eUnset(featureID);
	}

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

} //DatamartAttributeBaseImpl