/**
 *  Copyright (c) 2011 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:
 * 	Gregoire Dupe (Mia-Software) - Design
 * 	Nicolas Guyomar (Mia-Software) - Implementation
 * 	Emmanuelle Rouillé (Mia-Software) - Bug 352618 - To be able to use non derived facet structural features and save them values. 
 * 	Nicolas Bros (Mia-Software) - Bug 361823 - [Restructuring] eFacet2 meta-model
 *       Gregoire Dupe (Mia-Software) - Bug 366055 - NavigationQuery
 *       Gregoire Dupe (Mia-Software) - Bug 369673 - [Facet] IsOneOfQuery
 *       Olivier Remaud (Soft-Maint) - Bug 369824 - Add a simple way to return string literal constants from a customization query
 */
package org.eclipse.modisco.facet.efacet.metamodel.v0_2_0.efacet.query.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.modisco.facet.efacet.metamodel.v0_2_0.efacet.extensible.impl.QueryImpl;
import org.eclipse.modisco.facet.efacet.metamodel.v0_2_0.efacet.query.QueryPackage;
import org.eclipse.modisco.facet.efacet.metamodel.v0_2_0.efacet.query.StringLiteralQuery;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>String Literal Query</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.modisco.facet.efacet.metamodel.v0_2_0.efacet.query.impl.StringLiteralQueryImpl#getValue <em>Value</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class StringLiteralQueryImpl extends QueryImpl implements StringLiteralQuery {
	/**
	 * The default value of the '{@link #getValue() <em>Value</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getValue()
	 * @generated
	 * @ordered
	 */
	protected static final String VALUE_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getValue() <em>Value</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getValue()
	 * @generated
	 * @ordered
	 */
	protected String value = VALUE_EDEFAULT;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected StringLiteralQueryImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return QueryPackage.Literals.STRING_LITERAL_QUERY;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String getValue() {
		return value;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setValue(String newValue) {
		String oldValue = value;
		value = newValue;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, QueryPackage.STRING_LITERAL_QUERY__VALUE, oldValue, value));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case QueryPackage.STRING_LITERAL_QUERY__VALUE:
				return getValue();
		}
		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.STRING_LITERAL_QUERY__VALUE:
				setValue((String)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case QueryPackage.STRING_LITERAL_QUERY__VALUE:
				setValue(VALUE_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case QueryPackage.STRING_LITERAL_QUERY__VALUE:
				return VALUE_EDEFAULT == null ? value != null : !VALUE_EDEFAULT.equals(value);
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (value: "); //$NON-NLS-1$
		result.append(value);
		result.append(')');
		return result.toString();
	}

} //StringLiteralQueryImpl