/**
 * <copyright>
 * </copyright>
 *
 * $Id: BookImpl.java,v 1.2 2007/02/22 21:48:18 ahunter Exp $
 */
package org.eclipse.gmf.examples.eclipsecon.library.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.emf.ecore.impl.EObjectImpl;

import org.eclipse.gmf.examples.eclipsecon.library.Author;
import org.eclipse.gmf.examples.eclipsecon.library.Book;
import org.eclipse.gmf.examples.eclipsecon.library.LibraryPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Book</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.gmf.examples.eclipsecon.library.impl.BookImpl#getTitle <em>Title</em>}</li>
 *   <li>{@link org.eclipse.gmf.examples.eclipsecon.library.impl.BookImpl#getAuthor <em>Author</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class BookImpl extends EObjectImpl implements Book {
	/**
     * The default value of the '{@link #getTitle() <em>Title</em>}' attribute.
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @see #getTitle()
     * @generated
     * @ordered
     */
	protected static final String TITLE_EDEFAULT = null;

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

	/**
     * The cached value of the '{@link #getAuthor() <em>Author</em>}' reference.
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @see #getAuthor()
     * @generated
     * @ordered
     */
	protected Author author = null;

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

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

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

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public void setTitle(String newTitle) {
        String oldTitle = title;
        title = newTitle;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, LibraryPackage.BOOK__TITLE, oldTitle, title));
    }

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public Author getAuthor() {
        if (author != null && author.eIsProxy()) {
            InternalEObject oldAuthor = (InternalEObject)author;
            author = (Author)eResolveProxy(oldAuthor);
            if (author != oldAuthor) {
                if (eNotificationRequired())
                    eNotify(new ENotificationImpl(this, Notification.RESOLVE, LibraryPackage.BOOK__AUTHOR, oldAuthor, author));
            }
        }
        return author;
    }

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public Author basicGetAuthor() {
        return author;
    }

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public NotificationChain basicSetAuthor(Author newAuthor, NotificationChain msgs) {
        Author oldAuthor = author;
        author = newAuthor;
        if (eNotificationRequired()) {
            ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, LibraryPackage.BOOK__AUTHOR, oldAuthor, newAuthor);
            if (msgs == null) msgs = notification; else msgs.add(notification);
        }
        return msgs;
    }

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public void setAuthor(Author newAuthor) {
        if (newAuthor != author) {
            NotificationChain msgs = null;
            if (author != null)
                msgs = ((InternalEObject)author).eInverseRemove(this, LibraryPackage.AUTHOR__BOOKS, Author.class, msgs);
            if (newAuthor != null)
                msgs = ((InternalEObject)newAuthor).eInverseAdd(this, LibraryPackage.AUTHOR__BOOKS, Author.class, msgs);
            msgs = basicSetAuthor(newAuthor, msgs);
            if (msgs != null) msgs.dispatch();
        }
        else if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, LibraryPackage.BOOK__AUTHOR, newAuthor, newAuthor));
    }

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
        switch (featureID) {
            case LibraryPackage.BOOK__AUTHOR:
                if (author != null)
                    msgs = ((InternalEObject)author).eInverseRemove(this, LibraryPackage.AUTHOR__BOOKS, Author.class, msgs);
                return basicSetAuthor((Author)otherEnd, msgs);
        }
        return super.eInverseAdd(otherEnd, featureID, msgs);
    }

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
        switch (featureID) {
            case LibraryPackage.BOOK__AUTHOR:
                return basicSetAuthor(null, msgs);
        }
        return super.eInverseRemove(otherEnd, featureID, msgs);
    }

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
        switch (featureID) {
            case LibraryPackage.BOOK__TITLE:
                return getTitle();
            case LibraryPackage.BOOK__AUTHOR:
                if (resolve) return getAuthor();
                return basicGetAuthor();
        }
        return super.eGet(featureID, resolve, coreType);
    }

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public void eSet(int featureID, Object newValue) {
        switch (featureID) {
            case LibraryPackage.BOOK__TITLE:
                setTitle((String)newValue);
                return;
            case LibraryPackage.BOOK__AUTHOR:
                setAuthor((Author)newValue);
                return;
        }
        super.eSet(featureID, newValue);
    }

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public void eUnset(int featureID) {
        switch (featureID) {
            case LibraryPackage.BOOK__TITLE:
                setTitle(TITLE_EDEFAULT);
                return;
            case LibraryPackage.BOOK__AUTHOR:
                setAuthor((Author)null);
                return;
        }
        super.eUnset(featureID);
    }

	/**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	public boolean eIsSet(int featureID) {
        switch (featureID) {
            case LibraryPackage.BOOK__TITLE:
                return TITLE_EDEFAULT == null ? title != null : !TITLE_EDEFAULT.equals(title);
            case LibraryPackage.BOOK__AUTHOR:
                return author != null;
        }
        return super.eIsSet(featureID);
    }

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

        StringBuffer result = new StringBuffer(super.toString());
        result.append(" (title: ");
        result.append(title);
        result.append(')');
        return result.toString();
    }

} //BookImpl