Example 2-3. Code generated from the Track mapping document

1    package com.oreilly.hh;
2    
3    
4    import java.io.Serializable;
5    import java.util.Date;
6    import org.apache.commons.lang.builder.EqualsBuilder;
7    import org.apache.commons.lang.builder.HashCodeBuilder;
8    import org.apache.commons.lang.builder.ToStringBuilder;
9    
10   /** 
11    *       Represents a single playable track in the music database.
12    *       @author Jim Elliott (with help from Hibernate)
13    *     
14   */
15   public class Track implements Serializable {
16   
17       /** identifier field */
18       private Integer id;
19   
20       /** persistent field */
21       private String title;
22   
23       /** persistent field */
24       private String filePath;
25   
26       /** nullable persistent field */
27       private Date playTime;
28   
29       /** nullable persistent field */
30       private Date added;
31   
32       /** nullable persistent field */
33       private short volume;
34   
35       /** full constructor */
36       public Track(String title, String filePath, Date playTime, 
37                   Date added, short volume) {
38           this.title = title;
39           this.filePath = filePath;
40           this.playTime = playTime;
41           this.added = added;
42           this.volume = volume;
43       }
44   
45       /** default constructor */
46       public Track( ) {
47       }
48   
49       /** minimal constructor */
50       public Track(String title, String filePath) {
51           this.title = title;
52           this.filePath = filePath;
53       }
54   
55       public Integer getId( ) {
56           return this.id;
57       }
58   
59       protected void setId(Integer id) {
60           this.id = id;
61       }
62   
63       public String getTitle( ) {
64           return this.title;
65       }
66   
67       public void setTitle(String title) {
68           this.title = title;
69       }
70   
71       public String getFilePath( ) {
72           return this.filePath;
73       }
74   
75       public void setFilePath(String filePath) {
76           this.filePath = filePath;
77       }
78   
79       /** 
80        * Playing time
81        */
82       public Date getPlayTime( ) {
83           return this.playTime;
84       }
85   
86       public void setPlayTime(Date playTime) {
87           this.playTime = playTime;
88       }
89   
90       /** 
91        * When the track was created
92        */
93       public Date getAdded( ) {
94           return this.added;
95       }
96   
97       public void setAdded(Date added) {
98           this.added = added;
99       }
100   
101       /** 
102        * How loud to play the track
103        */
104       public short getVolume( ) {
105           return this.volume;
106       }
107   
108       public void setVolume(short volume) {
109           this.volume = volume;
110       }
111   
112       public String toString( ) {
113           return new ToStringBuilder(this)
114               .append("id", getId( ))
115               .toString( );
116       }
117   
118       public boolean equals(Object other) {
119           if ( !(other instanceof Track) ) return false;
120           Track castOther = (Track) other;
121           return new EqualsBuilder( )
122               .append(this.getId( ), castOther.getId( ))
123               .isEquals( );
124       }
125   
126       public int hashCode( ) {
127           return new HashCodeBuilder( )
128               .append(getId( ))
129               .toHashCode( );
130       }
131   
132   }