Book.java

//
// Copyright 2009 Robin Komiwes, Bruno Verachten, Christophe Cordenier
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// 	http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

package com.wooki.domain.model;

import java.util.ArrayList;
import java.util.List;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.Lob;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.Table;

import org.hibernate.annotations.IndexColumn;

/**
 * Represents a book with its relation to other elements.
 */
@Entity
@Table(name = "Books")
public class Book extends WookiEntity
{

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "book_id", unique = true, nullable = false)
    private Long id;

    @ManyToMany(fetch = FetchType.EAGER)
    @JoinTable(name = "BooksAuthors", joinColumns = @JoinColumn(name = "book_id"), inverseJoinColumns =
    { @JoinColumn(name = "user_id") })
    private List<User> users;

    @ManyToOne(fetch = FetchType.EAGER)
    @JoinColumn(name = "owner_id")
    private User owner;

    /**
     * First element will always be the book abstract
     */
    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
    @JoinColumn(name = "book_id", nullable = false)
    @IndexColumn(name = "chapter_position")
    private List<Chapter> chapters;

    @Column(name = "title")
    private String title;

    @Column(unique = true)
    private String slugTitle;

    @Lob
    @Column(name = "abstract")
    private String bookAbstract;

    public void addUser(User user)
    {
        if (this.users == null)
        {
            this.users = new ArrayList<User>();
        }
        users.add(user);
    }

    public void addChapter(Chapter chapter)
    {
        if (this.chapters == null)
        {
            this.chapters = new ArrayList<Chapter>();
        }
        chapters.add(chapter);
    }

    public Long getId()
    {
        return id;
    }

    public void setId(Long id)
    {
        this.id = id;
    }

    public List<User> getAuthors()
    {
        return users;
    }

    public void setUsers(List<User> users)
    {
        this.users = users;
    }

    public List<Chapter> getChapters()
    {
        if (chapters == null)
        {
            this.chapters = new ArrayList<Chapter>();
        }
        return chapters;
    }

    public void setChapters(List<Chapter> chapters)
    {
        this.chapters = chapters;
    }

    public String getTitle()
    {
        return title;
    }

    public void setTitle(String title)
    {
        this.title = title;
    }

    public String getSlugTitle()
    {
        return slugTitle;
    }

    public void setSlugTitle(String titleSlug)
    {
        this.slugTitle = titleSlug;
    }

    public User getOwner()
    {
        return owner;
    }

    public void setOwner(User owner)
    {
        this.owner = owner;
    }

    public String getAbstract()
    {
        return this.bookAbstract;
    }

    public void setAbstract(String content)
    {
        this.bookAbstract = content;
    }

}