/**
 * 
 * Copyright (c) 2009 Hatha Systems.
 * 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:
 *     Nikolai Mansourov (Hatha Systems) - initial API and implementation
 *     Gabriel Barbier (Mia-Software) - minor evolutions for version 1.1
 *
 * $Id$
 */
package org.eclipse.gmt.modisco.omg.kdm.kdm.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.gmt.modisco.omg.kdm.core.impl.ElementImpl;
import org.eclipse.gmt.modisco.omg.kdm.kdm.Attribute;
import org.eclipse.gmt.modisco.omg.kdm.kdm.KdmPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Attribute</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.gmt.modisco.omg.kdm.kdm.impl.AttributeImpl#getTag <em>Tag</em>}</li>
 *   <li>{@link org.eclipse.gmt.modisco.omg.kdm.kdm.impl.AttributeImpl#getValue <em>Value</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class AttributeImpl extends ElementImpl implements Attribute {
	/**
	 * The default value of the '{@link #getTag() <em>Tag</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTag()
	 * @generated
	 * @ordered
	 */
	protected static final String TAG_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getTag() <em>Tag</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTag()
	 * @generated
	 * @ordered
	 */
	protected String tag = TAG_EDEFAULT;

	/**
	 * 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 AttributeImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return KdmPackage.Literals.ATTRIBUTE;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String getTag() {
		return tag;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTag(String newTag) {
		String oldTag = tag;
		tag = newTag;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, KdmPackage.ATTRIBUTE__TAG, oldTag, tag));
	}

	/**
	 * <!-- 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, KdmPackage.ATTRIBUTE__VALUE, oldValue, value));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case KdmPackage.ATTRIBUTE__TAG:
				return getTag();
			case KdmPackage.ATTRIBUTE__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 KdmPackage.ATTRIBUTE__TAG:
				setTag((String)newValue);
				return;
			case KdmPackage.ATTRIBUTE__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 KdmPackage.ATTRIBUTE__TAG:
				setTag(TAG_EDEFAULT);
				return;
			case KdmPackage.ATTRIBUTE__VALUE:
				setValue(VALUE_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case KdmPackage.ATTRIBUTE__TAG:
				return TAG_EDEFAULT == null ? tag != null : !TAG_EDEFAULT.equals(tag);
			case KdmPackage.ATTRIBUTE__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(" (tag: "); //$NON-NLS-1$
		result.append(tag);
		result.append(", value: "); //$NON-NLS-1$
		result.append(value);
		result.append(')');
		return result.toString();
	}

} //AttributeImpl