/*******************************************************************************
 * Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, 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:
 * BMW Car IT - Initial API and implementation
 * Technische Universitaet Muenchen - Major refactoring and extension
 *******************************************************************************/
package org.eclipse.emf.edapt.spi.history.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.EObjectImpl;
import org.eclipse.emf.edapt.spi.history.Change;
import org.eclipse.emf.edapt.spi.history.HistoryPackage;
import org.eclipse.emf.edapt.spi.history.Release;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Change</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 * <li>{@link org.eclipse.emf.edapt.spi.history.impl.ChangeImpl#isBreaking <em>Breaking</em>}</li>
 * <li>{@link org.eclipse.emf.edapt.spi.history.impl.ChangeImpl#getDescription <em>Description</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class ChangeImpl extends EObjectImpl implements Change {
	/**
	 * The default value of the '{@link #isBreaking() <em>Breaking</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @see #isBreaking()
	 * @generated
	 * @ordered
	 */
	protected static final boolean BREAKING_EDEFAULT = false;

	/**
	 * The cached value of the '{@link #isBreaking() <em>Breaking</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @see #isBreaking()
	 * @generated
	 * @ordered
	 */
	protected boolean breaking = BREAKING_EDEFAULT;

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public boolean isBreaking() {
		return breaking;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void setBreaking(boolean newBreaking) {
		final boolean oldBreaking = breaking;
		breaking = newBreaking;
		if (eNotificationRequired()) {
			eNotify(new ENotificationImpl(this, Notification.SET, HistoryPackage.CHANGE__BREAKING, oldBreaking,
				breaking));
		}
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void setDescription(String newDescription) {
		final String oldDescription = description;
		description = newDescription;
		if (eNotificationRequired()) {
			eNotify(new ENotificationImpl(this, Notification.SET, HistoryPackage.CHANGE__DESCRIPTION, oldDescription,
				description));
		}
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated NOT
	 */
	@Override
	public Release getRelease() {
		EObject element = eContainer();
		while (element != null && !(element instanceof Release)) {
			element = element.eContainer();
		}
		return (Release) element;
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case HistoryPackage.CHANGE__BREAKING:
			setBreaking((Boolean) newValue);
			return;
		case HistoryPackage.CHANGE__DESCRIPTION:
			setDescription((String) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case HistoryPackage.CHANGE__BREAKING:
			setBreaking(BREAKING_EDEFAULT);
			return;
		case HistoryPackage.CHANGE__DESCRIPTION:
			setDescription(DESCRIPTION_EDEFAULT);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 *
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case HistoryPackage.CHANGE__BREAKING:
			return breaking != BREAKING_EDEFAULT;
		case HistoryPackage.CHANGE__DESCRIPTION:
			return DESCRIPTION_EDEFAULT == null ? description != null : !DESCRIPTION_EDEFAULT.equals(description);
		}
		return super.eIsSet(featureID);
	}

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

		final StringBuffer result = new StringBuffer(super.toString());
		result.append(" (breaking: "); //$NON-NLS-1$
		result.append(breaking);
		result.append(", description: "); //$NON-NLS-1$
		result.append(description);
		result.append(')');
		return result.toString();
	}

} // ChangeImpl