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/**
 *  Copyright (c) 2012 Mia-Software.
 *    
 * 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:
 * 	Alban Ménager (Soft-Maint) - Bug 387470 - [EFacet][Custom] Editors
 * 
 * 
 */
package org.eclipse.emf.facet.query.ocl.metamodel.oclquery.impl;

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

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

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

import org.eclipse.emf.facet.efacet.metamodel.v0_2_0.efacet.extensible.impl.QueryImpl;

import org.eclipse.emf.facet.query.ocl.metamodel.oclquery.OclQuery;
import org.eclipse.emf.facet.query.ocl.metamodel.oclquery.OclQueryPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Ocl Query</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.emf.facet.query.ocl.metamodel.oclquery.impl.OclQueryImpl#getContext <em>Context</em>}</li>
 *   <li>{@link org.eclipse.emf.facet.query.ocl.metamodel.oclquery.impl.OclQueryImpl#getOclExpression <em>Ocl Expression</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class OclQueryImpl extends QueryImpl implements OclQuery {
	/**
	 * The cached value of the '{@link #getContext() <em>Context</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getContext()
	 * @generated
	 * @ordered
	 */
	protected EClassifier context;

	/**
	 * The default value of the '{@link #getOclExpression() <em>Ocl Expression</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getOclExpression()
	 * @generated
	 * @ordered
	 */
	protected static final String OCL_EXPRESSION_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getOclExpression() <em>Ocl Expression</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getOclExpression()
	 * @generated
	 * @ordered
	 */
	protected String oclExpression = OCL_EXPRESSION_EDEFAULT;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EClassifier getContext() {
		if (context != null && context.eIsProxy()) {
			InternalEObject oldContext = (InternalEObject)context;
			context = (EClassifier)eResolveProxy(oldContext);
			if (context != oldContext) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, OclQueryPackage.OCL_QUERY__CONTEXT, oldContext, context));
			}
		}
		return context;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EClassifier basicGetContext() {
		return context;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setContext(EClassifier newContext) {
		EClassifier oldContext = context;
		context = newContext;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, OclQueryPackage.OCL_QUERY__CONTEXT, oldContext, context));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String getOclExpression() {
		return oclExpression;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setOclExpression(String newOclExpression) {
		String oldOclExpression = oclExpression;
		oclExpression = newOclExpression;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, OclQueryPackage.OCL_QUERY__OCL_EXPRESSION, oldOclExpression, oclExpression));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case OclQueryPackage.OCL_QUERY__CONTEXT:
				if (resolve) return getContext();
				return basicGetContext();
			case OclQueryPackage.OCL_QUERY__OCL_EXPRESSION:
				return getOclExpression();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case OclQueryPackage.OCL_QUERY__CONTEXT:
				setContext((EClassifier)newValue);
				return;
			case OclQueryPackage.OCL_QUERY__OCL_EXPRESSION:
				setOclExpression((String)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case OclQueryPackage.OCL_QUERY__CONTEXT:
				setContext((EClassifier)null);
				return;
			case OclQueryPackage.OCL_QUERY__OCL_EXPRESSION:
				setOclExpression(OCL_EXPRESSION_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case OclQueryPackage.OCL_QUERY__CONTEXT:
				return context != null;
			case OclQueryPackage.OCL_QUERY__OCL_EXPRESSION:
				return OCL_EXPRESSION_EDEFAULT == null ? oclExpression != null : !OCL_EXPRESSION_EDEFAULT.equals(oclExpression);
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		return getOclExpression();
	}

} //OclQueryImpl

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