/*******************************************************************************
 * Copyright (c) 2010, 2015 Willink Transformations 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:
 *     E.D.Willink - initial API and implementation
 *******************************************************************************/
package org.eclipse.ocl.xtext.essentialoclcs.impl;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.ocl.xtext.basecs.util.BaseCSVisitor;
import org.eclipse.ocl.xtext.essentialoclcs.EssentialOCLCSPackage;
import org.eclipse.ocl.xtext.essentialoclcs.ExpCS;
import org.eclipse.ocl.xtext.essentialoclcs.PrefixExpCS;
import org.eclipse.ocl.xtext.essentialoclcs.util.EssentialOCLCSVisitor;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Unary Expression CS</b></em>'.
 * <!-- end-user-doc -->
 *
 * @generated
 */
public class PrefixExpCSImpl
		extends OperatorExpCSImpl
		implements PrefixExpCS {

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

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

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public <R> R accept(@NonNull BaseCSVisitor<R> visitor) {
		return (R) ((EssentialOCLCSVisitor<?>)visitor).visitPrefixExpCS(this);
	}
	
	@Override
	public ExpCS getSource()
	{
		if ((source == null) && !hasSource) {
			hasSource = true;
			ExpCS localRight = getLocalRight();
			if (localRight != null) {
				source = getExpressionForRight(localRight);
			}
		}
		return source;
	}
	
	@Override
	public boolean isLocalRightAncestorOf(@NonNull ExpCS csExp) {	// csExp should be to the right of this for associativity resolution
		return false;
	}
} //UnaryExpressionCSImpl