/*******************************************************************************
 * Copyright (c) 2007, 2018 IBM Corporation, Zeligsoft Inc., and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 * 
 * Contributors:
 *   IBM - Initial API and implementation
 *   Zeligsoft - Bugs 241426, 207365
 *******************************************************************************/
package org.eclipse.ocl.ecore.impl;

import java.util.Map;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.DiagnosticChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.ocl.ecore.EcorePackage;
import org.eclipse.ocl.ecore.StringLiteralExp;
import org.eclipse.ocl.expressions.ExpressionsPackage;
import org.eclipse.ocl.expressions.operations.StringLiteralExpOperations;
import org.eclipse.ocl.utilities.Visitor;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>String Literal Exp</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.ocl.ecore.impl.StringLiteralExpImpl#getStringSymbol <em>String Symbol</em>}</li>
 * </ul>
 *
 * @generated
 */
public class StringLiteralExpImpl
		extends PrimitiveLiteralExpImpl
		implements StringLiteralExp {

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

	/**
	 * The cached value of the '{@link #getStringSymbol() <em>String Symbol</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getStringSymbol()
	 * @generated
	 * @ordered
	 */
	protected String stringSymbol = STRING_SYMBOL_EDEFAULT;

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setStringSymbol(String newStringSymbol) {
		String oldStringSymbol = stringSymbol;
		stringSymbol = newStringSymbol;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
				EcorePackage.STRING_LITERAL_EXP__STRING_SYMBOL, oldStringSymbol,
				stringSymbol));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public boolean checkStringType(DiagnosticChain diagnostics,
			Map<Object, Object> context) {
		return StringLiteralExpOperations.checkStringType(this, diagnostics,
			context);
	}

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case EcorePackage.STRING_LITERAL_EXP__STRING_SYMBOL :
				setStringSymbol(STRING_SYMBOL_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case EcorePackage.STRING_LITERAL_EXP__STRING_SYMBOL :
				return STRING_SYMBOL_EDEFAULT == null
					? stringSymbol != null
					: !STRING_SYMBOL_EDEFAULT.equals(stringSymbol);
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eBaseStructuralFeatureID(int derivedFeatureID,
			Class<?> baseClass) {
		if (baseClass == org.eclipse.ocl.expressions.StringLiteralExp.class) {
			switch (derivedFeatureID) {
				case EcorePackage.STRING_LITERAL_EXP__STRING_SYMBOL :
					return ExpressionsPackage.STRING_LITERAL_EXP__STRING_SYMBOL;
				default :
					return -1;
			}
		}
		return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public int eDerivedStructuralFeatureID(int baseFeatureID,
			Class<?> baseClass) {
		if (baseClass == org.eclipse.ocl.expressions.StringLiteralExp.class) {
			switch (baseFeatureID) {
				case ExpressionsPackage.STRING_LITERAL_EXP__STRING_SYMBOL :
					return EcorePackage.STRING_LITERAL_EXP__STRING_SYMBOL;
				default :
					return -1;
			}
		}
		return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	@Override
	public String toString() {
		return super.toString();
	}

	/**
	 * @generated NOT
	 */
	@Override
	@SuppressWarnings("unchecked")
	public <T, U extends Visitor<T, ?, ?, ?, ?, ?, ?, ?, ?, ?>> T accept(U v) {
		return ((Visitor<T, EClassifier, ?, ?, ?, ?, ?, ?, ?, ?>) v)
			.visitStringLiteralExp(this);
	}

} //StringLiteralExpImpl