Compass2.0.2自带例子解析

Compass2.0.2自带例子解析：

下面的代码来自compass自带的例子 代码如下：

Author.java

1. package com.tutorial;
2.
3. import java.util.ArrayList;
4. import java.util.Date;
5. import java.util.List;
6.
7. public class Author implements Identifiable {
8.
9.     private Long id;
10.     private Name name;
11.     private Date birthdate;
12.     private String[] keywords;
13.     private List<Book> books = new ArrayList<Book>();
14.
15.     public Author() {
16.     }
17.
18.     public Date getBirthdate() {
19.         return birthdate;
20.     }
21.
22.     public void setBirthdate(Date birthdate) {
23.         this.birthdate = birthdate;
24.     }
25.
26.     public List<Book> getBooks() {
27.         return books;
28.     }
29.
30.     public void setBooks(List<Book> books) {
31.         this.books = books;
32.     }
33.
34.     public void addBook(Book book) {
35.         books.add(book);
36.     }
37.
38.     public Long getId() {
39.         return id;
40.     }
41.
42.     public void setId(Long id) {
43.         this.id = id;
44.     }
45.
46.     public Name getName() {
47.         return name;
48.     }
49.
50.     public void setName(Name name) {
51.         this.name = name;
52.     }
53.
54.     public String[] getKeywords() {
55.         return keywords;
56.     }
57.
58.     public void setKeywords(String[] keywords) {
59.         this.keywords = keywords;
60.     }
61.
62.     public String toString() {
63.         return name.toString();
64.     }
65. }

Book.java

1. package com.tutorial;
2.
3. import java.util.Date;
4.
5. public class Book implements Identifiable {
6.
7.     private Long id;
8.     private String title;
9.     private Date publishDate;
10.     private String[] keywords;
11.     private String summary;
12.
13.     public Book() {
14.     }
15.
16.     public Book(String title, Date publishDate, String summary, String[] keywords) {
17.         this.title = title;
18.         this.publishDate = publishDate;
19.         this.summary = summary;
20.         this.keywords = keywords;
21.     }
22.
23.     public String[] getKeywords() {
24.         return keywords;
25.     }
26.
27.     public void setKeywords(String[] keywords) {
28.         this.keywords = keywords;
29.     }
30.
31.     public Date getPublishDate() {
32.         return publishDate;
33.     }
34.
35.     public void setPublishDate(Date publishDate) {
36.         this.publishDate = publishDate;
37.     }
38.
39.     public String getSummary() {
40.         return summary;
41.     }
42.
43.     public void setSummary(String summary) {
44.         this.summary = summary;
45.     }
46.
47.     public String getTitle() {
48.         return title;
49.     }
50.
51.     public void setTitle(String title) {
52.         this.title = title;
53.     }
54.
55.     public Long getId() {
56.         return id;
57.     }
58.
59.     public void setId(Long id) {
60.         this.id = id;
61.     }
62.
63.     public String toString() {
64.         return title;
65.     }
66. }

Identifiable.java

1. package com.tutorial;
2.
3. public interface Identifiable {
4.
5.     Long getId();
6. }

Name.java

1. package com.tutorial;
2.
3. public class Name {
4.
5.     private String title;
6.     private String firstName;
7.     private String lastName;
8.
9.     public Name() {
10.     }
11.
12.     public Name(String title, String firstName, String lastName) {
13.         this.title = title;
14.         this.firstName = firstName;
15.         this.lastName = lastName;
16.     }
17.
18.     public String getFirstName() {
19.         return firstName;
20.     }
21.
22.     public void setFirstName(String firstName) {
23.         this.firstName = firstName;
24.     }
25.
26.     public String getLastName() {
27.         return lastName;
28.     }
29.
30.     public void setLastName(String lastName) {
31.         this.lastName = lastName;
32.     }
33.
34.     public String getTitle() {
35.         return title;
36.     }
37.
38.     public void setTitle(String title) {
39.         this.title = title;
40.     }
41.
42.     public boolean equals(Object other) {
43.
44.         if (this == other) {
45.             return true;
46.         }
47.
48.         if (!(other instanceof Name)) {
49.             return false;
50.         }
51.
52.         Name otherName = (Name) other;
53.         if (title != null) {
54.             if (!title.equals(otherName.getTitle())) {
55.                 return false;
56.             }
57.         }
58.         if (firstName != null) {
59.             if (!firstName.equals(otherName.getFirstName())) {
60.                 return false;
61.             }
62.         }
63.         if (lastName != null) {
64.             if (!lastName.equals(otherName.getLastName())) {
65.                 return false;
66.             }
67.         }
68.         return true;
69.     }
70.
71.     public int hashCode() {
72.         int hash = 1;
73.         hash = hash * 31 + title == null ? 0 : title.hashCode();
74.         hash = hash * 31 + firstName == null ? 0 : firstName.hashCode();
75.         hash = hash * 31 + lastName == null ? 0 : lastName.hashCode();
76.         return hash;
77.     }
78.
79.     public String toString() {
80.         return title + ” ” + ” ” + firstName + ” ” + lastName;
81.     }
82. }

Library.java

1. package com.tutorial;
2.
3. public final class Library {
4.
5.     public static final class Group {
6.         public static final String Id = “library”;
7.         public static final String DispayName = “Library Meta Data”;
8.         public static final String Uri = “http://compass/toturial“;
9.     }
10.
11.     public static final class Alias {
12.
13.         public static final class Book {
14.             public static final String Id = “book”;
15.             public static final String Name = “book”;
16.             public static final String DisplayName = “Book”;
17.             public static final String Uri = “http://compass/toturial/alias/book“;
18.             public static final String GroupId = “library”;
19.         }
20.
21.         public static final class Name {
22.             public static final String Id = “name”;
23.             public static final String Name = “name”;
24.             public static final String DisplayName = “Name”;
25.             public static final String Uri = “http://compass/toturial/alias/name“;
26.             public static final String GroupId = “library”;
27.         }
28.
29.         public static final class Author {
30.             public static final String Id = “author”;
31.             public static final String Name = “author”;
32.             public static final String DisplayName = “Author”;
33.             public static final String Uri = “http://compass/toturial/alias/author“;
34.             public static final String GroupId = “library”;
35.         }
36.
37.     }
38.
39.     public static final class MetaData {
40.
41.         public static final class Summary {
42.             public static final String Id = “summary”;
43.             public static final String Name = “summary”;
44.             public static final String DisplayName = “Summary”;
45.             public static final String Uri = “http://compass/toturial/summary“;
46.             public static final String GroupId = “library”;
47.         }
48.
49.         public static final class Keyword {
50.             public static final String Id = “keyword”;
51.             public static final String Name = “keyword”;
52.             public static final String DisplayName = “Keyword”;
53.             public static final String Uri = “http://compass/toturial/keyword“;
54.             public static final String GroupId = “library”;
55.         }
56.
57.         public static final class PublishDate {
58.             public static final String Id = “publishDate”;
59.             public static final String Name = “publish”;
60.             public static final String DisplayName = “Publish Date”;
61.             public static final String Uri = “http://compass/toturial/publishDate“;
62.             public static final String GroupId = “library”;
63.         }
64.
65.         public static final class Title {
66.             public static final String Id = “title”;
67.             public static final String Name = “title”;
68.             public static final String DisplayName = “Title”;
69.             public static final String Uri = “http://compass/toturial/title“;
70.             public static final String GroupId = “library”;
71.         }
72.
73.         public static final class Type {
74.             public static final String Id = “type”;
75.             public static final String Name = “type”;
76.             public static final String DisplayName = “Type”;
77.             public static final String Uri = “http://compass/toturial/type“;
78.             public static final String GroupId = “library”;
79.         }
80.
81.         public static final class TitleName {
82.             public static final String Id = “titleName”;
83.             public static final String Name = “titleName”;
84.             public static final String DisplayName = “Title Name”;
85.             public static final String Uri = “http://compass/toturial/titleName“;
86.             public static final String GroupId = “library”;
87.         }
88.
89.         public static final class Isbn {
90.             public static final String Id = “isbn”;
91.             public static final String Name = “name”;
92.             public static final String DisplayName = “ISBN”;
93.             public static final String Uri = “http://compass/toturial/name“;
94.             public static final String GroupId = “library”;
95.         }
96.
97.         public static final class Name {
98.             public static final String Id = “name”;
99.             public static final String Name = “name”;
100.             public static final String DisplayName = “Name”;
101.             public static final String Uri = “http://compass/toturial/name“;
102.             public static final String GroupId = “library”;
103.         }
104.
105.         public static final class Birthdate {
106.             public static final String Id = “birthdate”;
107.             public static final String Name = “birthdate”;
108.             public static final String DisplayName = “Birthdate”;
109.             public static final String Uri = “http://compass/toturial/birthdate“;
110.             public static final String GroupId = “library”;
111.             public static final String Format = “yyyy/MM/dd”;
112.         }
113.
114.         public static final class FirstName {
115.             public static final String Id = “firstName”;
116.             public static final String Name = “firstName”;
117.             public static final String DisplayName = “First Name”;
118.             public static final String Uri = “http://compass/toturial/firstName“;
119.             public static final String GroupId = “library”;
120.         }
121.
122.         public static final class LastName {
123.             public static final String Id = “lastName”;
124.             public static final String Name = “lastName”;
125.             public static final String DisplayName = “Last Name”;
126.             public static final String Uri = “http://compass/sample/library/lastName“;
127.             public static final String GroupId = “library”;
128.         }
129.     }
130. }

Author.cpm.xml

1. <?xml version=”1.0″?>
2. <!DOCTYPE compass-core-mapping PUBLIC
3.     “-//Compass/Compass Core Mapping DTD 2.0//EN”
4.     “http://www.compass-project.org/dtd/compass-core-mapping-2.0.dtd“>
5.
6. <compass-core-mapping package=”com.tutorial”>
7.
8.     <class name=”Author” alias=”${library.author}”>
9.
10.         <id name=”id” />
11.
12.         <constant>
13.             <meta-data>${library.type}</meta-data>
14.             <meta-data-value>${library.type.mdPerson}</meta-data-value>
15.             <meta-data-value>${library.type.mdAuthor}</meta-data-value>
16.         </constant>
17.
18.         <property name=”keywords”>
19.             <meta-data boost=”2″>${library.keyword}</meta-data>
20.         </property>
21.
22.         <component name=”name” ref-alias=”${library.name.md}” />
23.
24.         <property name=”birthdate”>
25.             <meta-data>${library.birthdate}</meta-data>
26.         </property>
27.
28.         <reference name=”books” ref-alias=”${library.book}” />
29.
30.     </class>
31.
32.     <class name=”Name” alias=”${library.name}” root=”false”>
33.             <property name=”title”>
34.                 <meta-data>${library.titleName}</meta-data>
35.             </property>
36.             <property name=”firstName”>
37.                 <meta-data>${library.firstName}</meta-data>
38.                 <meta-data>${library.name}</meta-data>
39.             </property>
40.             <property name=”lastName”>
41.                 <meta-data>${library.lastName}</meta-data>
42.                 <meta-data>${library.name}</meta-data>
43.             </property>
44.     </class>
45.
46. </compass-core-mapping>

Book.cpm.xml

1. <?xml version=”1.0″?>
2. <!DOCTYPE compass-core-mapping PUBLIC
3.     “-//Compass/Compass Core Mapping DTD 2.0//EN”
4.     “http://www.compass-project.org/dtd/compass-core-mapping-2.0.dtd“>
5.
6. <compass-core-mapping package=”com.tutorial”>
7.
8.     <class name=”Book” alias=”${library.book}”>
9.
10.         <id name=”id” />
11.
12.         <property name=”keywords”>
13.             <meta-data boost=”2″>${library.keyword}</meta-data>
14.         </property>
15.
16.         <property name=”title”>
17.             <meta-data>${library.title}</meta-data>
18.         </property>
19.
20.         <property name=”publishDate”>
21.             <meta-data>${library.publishDate}</meta-data>
22.         </property>
23.
24.         <property name=”summary”>
25.             <meta-data>${library.summary}</meta-data>
26.         </property>
27.
28.     </class>
29.
30. </compass-core-mapping>

library.cmd.xml

1. <?xml version=”1.0″?>
2. <!DOCTYPE compass-core-meta-data PUBLIC
3.     “-//Compass/Compass Core Meta Data DTD 2.0//EN”
4.     “http://www.compass-project.org/dtd/compass-core-meta-data-2.0.dtd“>
5.
6. <compass-core-meta-data>
7.
8.     <meta-data-group id=”library” displayName=”Library Meta Data”>
9.
10.         <description>Library Meta Data</description>
11.         <uri>http://compass/toturial</uri>
12.
13.         <alias id=”author” displayName=”Author”>
14.             <description>Author alias</description>
15.             <uri>http://compass/toturial/alias/author</uri>
16.             <name>author</name>
17.         </alias>
18.
19.         <alias id=”name” displayName=”Name”>
20.             <description>Name alias</description>
21.             <uri>http://compass/toturial/alias/name</uri>
22.             <name>name</name>
23.         </alias>
24.
25.         <alias id=”book” displayName=”Book”>
26.             <description>Book alias</description>
27.             <uri>http://compass/toturial/alias/book</uri>
28.             <name>book</name>
29.         </alias>
30.
31.         <meta-data id=”type” displayName=”Type”>
32.             <description>Type of an entity in the system</description>
33.             <uri>http://compass/toturial/type</uri>
34.             <name>type</name>
35.             <value id=”mdPerson”>person</value>
36.             <value id=”mdAuthor”>author</value>
37.         </meta-data>
38.
39.         <meta-data id=”keyword” displayName=”Keyword”>
40.             <description>Keyword associated with an entity</description>
41.             <uri>http://compass/toturial/keyword</uri>
42.             <name>keyword</name>
43.         </meta-data>
44.
45.         <meta-data id=”name” displayName=”Name”>
46.             <description>The name of a person (firstName or lastName) without the title</description>
47.             <uri>http://compass/toturial/name</uri>
48.             <name>name</name>
49.         </meta-data>
50.
51.         <meta-data id=”firstName” displayName=”First Name”>
52.             <description>The first name of a person</description>
53.             <uri>http://compass/toturial/firstName</uri>
54.             <name>firstName</name>
55.         </meta-data>
56.
57.         <meta-data id=”lastName” displayName=”Last Name”>
58.             <description>The last name of a person</description>
59.             <uri>http://compass/toturial/lastName</uri>
60.             <name>lastName</name>
61.         </meta-data>
62.
63.         <meta-data id=”titleName” displayName=”Title Name”>
64.             <description>The title of a person</description>
65.             <uri>http://compass/toturial/titleName</uri>
66.             <name>titleName</name>
67.         </meta-data>
68.
69.         <meta-data id=”birthdate” displayName=”Birthdate”>
70.             <description>The birthdate of a person</description>
71.             <uri>http://compass/toturial/birthdate</uri>
72.             <name format=”yyyy/MM/dd”>birthdate</name>
73.         </meta-data>
74.
75.         <meta-data id=”isbn” displayName=”ISBN”>
76.             <description>ISBN of the book</description>
77.             <uri>http://compass/toturial/name</uri>
78.             <name>name</name>
79.         </meta-data>
80.
81.         <meta-data id=”title” displayName=”Title”>
82.             <description>The title of a book or an article</description>
83.             <uri>http://compass/toturial/title</uri>
84.             <name>title</name>
85.         </meta-data>
86.
87.         <meta-data id=”publishDate” displayName=”Publish Date”>
88.             <description>The publish date of a book or an article</description>
89.             <uri>http://compass/toturial/publishDate</uri>
90.             <name>publish</name>
91.         </meta-data>
92.
93.         <meta-data id=”summary” displayName=”Summary”>
94.             <description>The summary of a book or an article</description>
95.             <uri>http://compass/toturial/summary</uri>
96.             <name>summary</name>
97.         </meta-data>
98.
99.     </meta-data-group>
100.
101. </compass-core-meta-data>

compass.cfg.xml

1. <!DOCTYPE compass-core-configuration PUBLIC
2.     “-//Compass/Compass Core Configuration DTD 2.0//EN”
3.     “http://www.compass-project.org/dtd/compass-core-configuration-2.0.dtd“>
4.
5. <compass-core-configuration>
6.
7.     <compass>
8.
9.         <setting name=”compass.engine.connection”>target/index</setting>
10.
11.         <meta-data resource=”com/tutorial/library.cmd.xml” />
12.
13.     </compass>
14.
15. </compass-core-configuration>

测试代码：

LibraryTests.java

1. package com.demo;
2.
3. import java.text.SimpleDateFormat;
4. import java.util.Calendar;
5.
6. import org.compass.core.Compass;
7. import org.compass.core.CompassCallbackWithoutResult;
8. import org.compass.core.CompassException;
9. import org.compass.core.CompassHits;
10. import org.compass.core.CompassQueryBuilder;
11. import org.compass.core.CompassSession;
12. import org.compass.core.CompassTemplate;
13. import org.compass.core.CompassTransaction;
14. import org.compass.core.Resource;
15. import org.compass.core.config.CompassConfiguration;
16.
17. import com.tutorial.Author;
18. import com.tutorial.Book;
19. import com.tutorial.Identifiable;
20. import com.tutorial.Library;
21. import com.tutorial.Name;
22.
23. public class LibraryTests {
24.
25.     public static void main(String[] args){
26.
27.         CompassConfiguration config = new CompassConfiguration();
28.         config.configure(“/com/tutorial/compass.cfg.xml”);
29.         config.addClass(Author.class).addClass(Book.class);
30.         Compass compass = config.buildCompass();
31.         compass.getSearchEngineIndexManager().deleteIndex();
32.         compass.getSearchEngineIndexManager().createIndex();
33.
34.         try {
35.             setUpData(compass);
36.         } catch (Exception e) {
37.             e.printStackTrace();
38.         }
39.
40.         CompassSession session = compass.openSession();
41.         CompassTransaction tx = null;
42.         try {
43.             tx = session.beginTransaction();
44.             Author author = (Author) session.load(Author.class, 1);
45.
46.             SimpleDateFormat sdf = new SimpleDateFormat(Library.MetaData.Birthdate.Format);
47.             System.out.println(sdf.format(author.getBirthdate()));
48.             System.out.println(author.getName().getFirstName());
49.             System.out.println(author.getBooks().size());
50.
51.             //delete it
52.             //session.delete(author);
53.
54.             tx.commit();
55.         } catch (Exception e) {
56.             if (tx != null) {
57.                 tx.rollback();
58.             }
59.         } finally {
60.             session.close();
61.         }
62.
63.         CompassTemplate compassTemplate = new CompassTemplate(compass);
64.         compassTemplate.execute(new CompassCallbackWithoutResult() {
65.             protected void doInCompassWithoutResult(CompassSession session) throws CompassException {
66.                 String query = “fiercely”;
67.                 CompassHits hits = session.find(query);
68.
69.                 System.out.println(“Found [" + hits.getLength() + "] hits for [" + query + "] query”);
70.                 System.out.println(“======================================================”);
71.                 for (int i = 0; i < hits.getLength(); i++) {
72.                     Object value = hits.data(i);
73.                     Resource resource = hits.resource(i);
74.                     System.out.println(“ALIAS [" + resource.getAlias() + "] ID [" + ((Identifiable) value).getId() + "] SCORE [" + hits.score(i) + "]“);
75.                     System.out.println(“:::: ” + value);
76.                     System.out.println(“”);
77.                 }
78.
79.                 hits.close();
80.             }
81.         });
82.
83.         compassTemplate = new CompassTemplate(compass);
84.         compassTemplate.execute(new CompassCallbackWithoutResult() {
85.             protected void doInCompassWithoutResult(CompassSession session) throws CompassException {
86.
87.                 CompassQueryBuilder queryBuilder = session.queryBuilder();
88.                 CompassHits hits = queryBuilder.bool().addMust(queryBuilder.term(“book.id”, 1))
89.                 //.addMustNot(queryBuilder.term(“author.books.id”, 1))
90.                 .toQuery().hits();
91.
92.                 System.out.println(“Found [" + hits.getLength() + "] hits for [" +    "Jack"  + "] query”);
93.                 System.out.println(“======================================================”);
94.                 for (int i = 0; i < hits.getLength(); i++) {
95.                     Object value = hits.data(i);
96.                     Resource resource = hits.resource(i);
97.                     System.out.println(“ALIAS [" + resource.getAlias() + "] ID [" + ((Identifiable) value).getId() + "] SCORE [" + hits.score(i) + "]“);
98.                     System.out.println(“:::: ” + value);
99.                     System.out.println(“”);
100.                 }
101.
102.                 hits.close();
103.             }
104.         });
105.
106.     }
107.
108.     public static void setUpData(Compass compass) throws Exception {
109.
110.         CompassSession session = compass.openSession();
111.         CompassTransaction tx = session.beginTransaction();
112.
113.         Author jackLondon = new Author();
114.         jackLondon.setId(new Long(1));
115.         jackLondon.setName(new Name(“Mr”, “Jack”, “London”));
116.         Calendar c = Calendar.getInstance();
117.         c.set(1876, 0, 12);
118.         jackLondon.setBirthdate(c.getTime());
119.         jackLondon.setKeywords(new String[] { “american author” });
120.
121.         Book whiteFang = new Book();
122.         whiteFang.setId(new Long(1));
123.         whiteFang.setTitle(“White Fang”);
124.         c.set(1906, 0, 1);
125.         whiteFang.setPublishDate(c.getTime());
126.         whiteFang.setSummary(“The remarkable story of a fiercely independent creature of the wild”);
127.         whiteFang.setKeywords(new String[] { “jack london”, “call of the wild” });
128.         jackLondon.addBook(whiteFang);
129.         session.save(whiteFang);
130.
131.         Book callOfTheWild = new Book();
132.         callOfTheWild.setId(new Long(2));
133.         callOfTheWild.setTitle(“The Call of the Wild”);
134.         c.set(1903, 0, 1);
135.         callOfTheWild.setPublishDate(c.getTime());
136.         callOfTheWild.setSummary(“The Call of the Wild is a tale about unbreakable spirit”);
137.         callOfTheWild.setKeywords(new String[] { “jack london”, “buck”, “white fang” });
138.         jackLondon.addBook(callOfTheWild);
139.         session.save(callOfTheWild);
140.
141.         session.save(jackLondon);
142.
143.         Author jamesClavell = new Author();
144.         jamesClavell.setId(new Long(2));
145.         jamesClavell.setName(new Name(“Mr”, “James”, “Clavell”));
146.         c.set(1924, 9, 10);
147.         jamesClavell.setBirthdate(c.getTime());
148.         jamesClavell.setKeywords(new String[] { “far east”, “shogun”, “japan”, “hong kong” });
149.
150.         Book shogun = new Book();
151.         shogun.setId(new Long(3));
152.         shogun.setTitle(“Shogun”);
153.         c.set(1975, 0, 1);
154.         shogun.setPublishDate(c.getTime());
155.         shogun.setSummary(“A story of a hero who is not a person but a place and a time,”
156.                 + ” medieval Japan on the threshold of becoming a sea power”);
157.         shogun.setKeywords(new String[] { “james clavell”, “Blackthorne”, “Toranaga”, “japan” });
158.         jamesClavell.addBook(shogun);
159.         session.save(shogun);
160.
161.         Book taipan = new Book();
162.         taipan.setId(new Long(4));
163.         taipan.setTitle(“Taipan”);
164.         c.set(1966, 0, 1);
165.         taipan.setPublishDate(c.getTime());
166.         taipan.setSummary(“Tai-Pan is chinese for /”supreme leader/”. This is the man with real power ”
167.                 + “to his hands. And such a Tai-Pan is Dirk Struan who is obsessed by his plan to make Hong Kong ”
168.                 + “the /”jewel in the crown of her British Majesty/”. In 1841 he achieves his goal but he has many ”
169.                 + “enemies who try to destroy his plans. Will they succeed?”);
170.         taipan.setKeywords(new String[] { “james clavell”, “Dirk Struan”, “joss”, “hong kong” });
171.         jamesClavell.addBook(taipan);
172.
173.         session.save(taipan);
174.
175.         session.save(jamesClavell);
176.
177.         tx.commit();
178.         session.close();
179.     }
180. }