人在江湖

   1: package org.emoticon.library.model;

   2:  

   3: import java.util.ArrayList;

   4: import java.util.Date;

   5: import java.util.List;

   6:  

   7: import javax.persistence.CascadeType;

   8: import javax.persistence.Entity;

   9: import javax.persistence.FetchType;

  10: import javax.persistence.GeneratedValue;

  11: import javax.persistence.Id;

  12: import javax.persistence.JoinColumn;

  13: import javax.persistence.OneToMany;

  14:  

  15: @Entity

  16: public class Book {

  17:     

  18: private Integer id;

  19: private String title;

  20: private String author;

  21: private String description;

  22: private String publisher;

  23: private int pageNumber;

  24: private Date publishTime;

  25: private String isbn;

  26: private List<Comment> comments = new ArrayList<Comment>();

  27:  

  28:  

  29: public void addComment(Comment comment){

  30:     comment.setBook(this);

  31:     comments.add(comment);

  32: }

  33:  

  34: @Id

  35: @GeneratedValue

  36: public Integer getId() {

  37:     return id;

  38: }

  39: public void setId(Integer id) {

  40:     this.id = id;

  41: }

  42: public String getTitle() {

  43:     return title;

  44: }

  45: public void setTitle(String title) {

  46:     this.title = title;

  47: }

  48: public String getAuthor() {

  49:     return author;

  50: }

  51: public void setAuthor(String author) {

  52:     this.author = author;

  53: }

  54: public String getDescription() {

  55:     return description;

  56: }

  57: public void setDescription(String description) {

  58:     this.description = description;

  59: }

  60: public String getPublisher() {

  61:     return publisher;

  62: }

  63: public void setPublisher(String publisher) {

  64:     this.publisher = publisher;

  65: }

  66: public int getPageNumber() {

  67:     return pageNumber;

  68: }

  69: public void setPageNumber(int pageNumber) {

  70:     this.pageNumber = pageNumber;

  71: }

  72: public Date getPublishTime() {

  73:     return publishTime;

  74: }

  75: public void setPublishTime(Date publishTime) {

  76:     this.publishTime = publishTime;

  77: }

  78: public String getIsbn() {

  79:     return isbn;

  80: }

  81: public void setIsbn(String isbn) {

  82:     this.isbn = isbn;

  83: }

  84:  

  85: @OneToMany(fetch = FetchType.EAGER,

  86:         cascade = {CascadeType.ALL})

  87: @JoinColumn (name = "book_id",

  88:         nullable = false)

  89: @org.hibernate.annotations.IndexColumn(name = "comment_position",

  90:         nullable = false,

  91:         base = 1)

  92: public List<Comment> getComments() {

  93:     return comments;

  94: }

  95:  

  96: public void setComments(List<Comment> comments) {

  97:     this.comments = comments;

  98: }

  99:  

 100:  

 101: }

   1: package org.emoticon.library.model;

   2:  

   3: import javax.persistence.CascadeType;

   4: import javax.persistence.Entity;

   5: import javax.persistence.GeneratedValue;

   6: import javax.persistence.Id;

   7: import javax.persistence.JoinColumn;

   8: import javax.persistence.ManyToOne;

   9:  

  10: import junit.framework.Assert;

  11:  

  12: @Entity

  13: public class Comment {

  14: private Integer id;

  15: private int rate;

  16: private String title;

  17: private String content;

  18: private Book book;

  19:  

  20: @Id

  21: @GeneratedValue

  22: public Integer getId() {

  23:     return id;

  24: }

  25: public void setId(Integer id) {

  26:     this.id = id;

  27: }

  28: public int getRate() {

  29:     return rate;

  30: }

  31:  

  32: public void setRate(int rate) {

  33:     Assert.assertTrue(rate > 0 && rate < 6);

  34:     this.rate = rate;

  35: }

  36:  

  37: public String getTitle() {

  38:     return title;

  39: }

  40:  

  41: public void setTitle(String title) {

  42:     this.title = title;

  43: }

  44:  

  45: public String getContent() {

  46:     return content;

  47: }

  48: public void setContent(String content) {

  49:     this.content = content;

  50: }

  51:  

  52: @ManyToOne(cascade = {CascadeType.ALL})

  53: @JoinColumn(name="book_id",

  54:         nullable = false,

  55:         updatable = false,

  56:         insertable = false)

  57: public Book getBook() {

  58:     return book;

  59: }

  60:  

  61: public void setBook(Book book) {

  62:     this.book = book;

  63: }

  64:  

  65: }

   1: package org.emoticon.library.manager;

   2:  

   3: import org.emoticon.core.test.DaoTestCase;

   4: import org.emoticon.library.model.Book;

   5: import org.emoticon.library.model.Comment;

   6:  

   7: public class BookManagerTest extends DaoTestCase {

   8:     private BookManager manager;

   9:     

  10:     private static final String commentTitle = "a good book";

  11:     

  12:     public void setManager(BookManager manager) {

  13:         this.manager = manager;

  14:     }

  15:     

  16:     public void testSave(){

  17:         Book entity = new Book();

  18:         entity.setTitle("thinking in java");

  19:         entity.setDescription("for newbie");

  20:         

  21:         Comment comment = new Comment();

  22:         comment.setTitle(commentTitle);

  23:         comment.setContent("I like it.");

  24:         comment.setRate(5);

  25:         

  26:         Comment comment2 = new Comment();

  27:         comment2.setTitle(commentTitle + "2");

  28:         comment2.setContent("I like it2.");

  29:         comment2.setRate(4);

  30:  

  31:         entity.addComment(comment);

  32:         entity.addComment(comment2);

  33:         

  34:         manager.save(entity);

  35:         assertNotNull(entity.getId());

  36:         entity = manager.get(entity.getId());

  37:         //assertEquals(entity.getComments().get(0).getTitle(), commentTitle);

  38:         assertNotNull(entity);

  39:         this.setComplete();

  40:     }

  41: }