/*******************************************************************************
 * Copyright (c) 2010, 2012 Ericsson
 * 
 * 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
 * 
 * Description:
 * 
 * Contributors:
 *   Alvaro Sanchez-Leon - Initial Implementation and API
 *******************************************************************************/
package org.eclipse.mylyn.reviews.frame.core.model.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.mylyn.reviews.frame.core.model.Comment;
import org.eclipse.mylyn.reviews.frame.core.model.CommentType;
import org.eclipse.mylyn.reviews.frame.core.model.ModelPackage;
import org.eclipse.mylyn.reviews.frame.core.model.User;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Comment</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.mylyn.reviews.frame.core.model.impl.CommentImpl#getUser <em>User</em>}</li>
 *   <li>{@link org.eclipse.mylyn.reviews.frame.core.model.impl.CommentImpl#getType <em>Type</em>}</li>
 *   <li>{@link org.eclipse.mylyn.reviews.frame.core.model.impl.CommentImpl#getDescription <em>Description</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class CommentImpl extends ReviewComponentImpl implements Comment {
	/**
	 * The cached value of the '{@link #getUser() <em>User</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getUser()
	 * @generated
	 * @ordered
	 */
	protected User user;

	/**
	 * The cached value of the '{@link #getType() <em>Type</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getType()
	 * @generated
	 * @ordered
	 */
	protected CommentType type;

	/**
	 * 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 CommentImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return ModelPackage.Literals.COMMENT;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public User getUser() {
		return user;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setUser(User newUser) {
		User oldUser = user;
		user = newUser;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ModelPackage.COMMENT__USER, oldUser, user));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public CommentType getType() {
		if (type != null && type.eIsProxy()) {
			InternalEObject oldType = (InternalEObject)type;
			type = (CommentType)eResolveProxy(oldType);
			if (type != oldType) {
				InternalEObject newType = (InternalEObject)type;
				NotificationChain msgs = oldType.eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ModelPackage.COMMENT__TYPE, null, null);
				if (newType.eInternalContainer() == null) {
					msgs = newType.eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ModelPackage.COMMENT__TYPE, null, msgs);
				}
				if (msgs != null) msgs.dispatch();
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, ModelPackage.COMMENT__TYPE, oldType, type));
			}
		}
		return type;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public CommentType basicGetType() {
		return type;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetType(CommentType newType, NotificationChain msgs) {
		CommentType oldType = type;
		type = newType;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ModelPackage.COMMENT__TYPE, oldType, newType);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setType(CommentType newType) {
		if (newType != type) {
			NotificationChain msgs = null;
			if (type != null)
				msgs = ((InternalEObject)type).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ModelPackage.COMMENT__TYPE, null, msgs);
			if (newType != null)
				msgs = ((InternalEObject)newType).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ModelPackage.COMMENT__TYPE, null, msgs);
			msgs = basicSetType(newType, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ModelPackage.COMMENT__TYPE, newType, newType));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String getDescription() {
		return description!= null ? description : "";
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setDescription(String newDescription) {
		String oldDescription = description;
		description = newDescription;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ModelPackage.COMMENT__DESCRIPTION, oldDescription, description));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ModelPackage.COMMENT__TYPE:
				return basicSetType(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case ModelPackage.COMMENT__USER:
				return getUser();
			case ModelPackage.COMMENT__TYPE:
				if (resolve) return getType();
				return basicGetType();
			case ModelPackage.COMMENT__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 ModelPackage.COMMENT__USER:
				setUser((User)newValue);
				return;
			case ModelPackage.COMMENT__TYPE:
				setType((CommentType)newValue);
				return;
			case ModelPackage.COMMENT__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 ModelPackage.COMMENT__USER:
				setUser((User)null);
				return;
			case ModelPackage.COMMENT__TYPE:
				setType((CommentType)null);
				return;
			case ModelPackage.COMMENT__DESCRIPTION:
				setDescription(DESCRIPTION_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ModelPackage.COMMENT__USER:
				return user != null;
			case ModelPackage.COMMENT__TYPE:
				return type != null;
			case ModelPackage.COMMENT__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();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (description: ");
		result.append(description);
		result.append(')');
		return result.toString();
	}

} //CommentImpl