/*******************************************************************************
 * Copyright (c) 2008, 2012 Obeo.
 * 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:
 *     Obeo - initial API and implementation
 *******************************************************************************/
package org.eclipse.emf.eef.extended.query.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.emf.eef.extended.query.ExplicitPathQuery;
import org.eclipse.emf.eef.extended.query.QueryPackage;
import org.eclipse.emf.eef.mapping.navigation.ModelNavigation;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Explicit Path Query</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.emf.eef.extended.query.impl.ExplicitPathQueryImpl#getQuery <em>Query</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ExplicitPathQueryImpl extends EEFUnderstandableQueryImpl implements ExplicitPathQuery {
	/**
	 * The cached value of the '{@link #getQuery() <em>Query</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getQuery()
	 * @generated
	 * @ordered
	 */
	protected ModelNavigation query;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ModelNavigation getQuery() {
		if (query != null && query.eIsProxy()) {
			InternalEObject oldQuery = (InternalEObject)query;
			query = (ModelNavigation)eResolveProxy(oldQuery);
			if (query != oldQuery) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, QueryPackage.EXPLICIT_PATH_QUERY__QUERY, oldQuery, query));
			}
		}
		return query;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ModelNavigation basicGetQuery() {
		return query;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setQuery(ModelNavigation newQuery) {
		ModelNavigation oldQuery = query;
		query = newQuery;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, QueryPackage.EXPLICIT_PATH_QUERY__QUERY, oldQuery, query));
	}

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case QueryPackage.EXPLICIT_PATH_QUERY__QUERY:
				setQuery((ModelNavigation)null);
				return;
		}
		super.eUnset(featureID);
	}

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

} //ExplicitPathQueryImpl