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COMPASS應用(轉)

一個簡單的COMPASS應用

首先你要下載Compass framework: Download Compass.
你需要在你的class path 中添加4個jarcompass-x/modules/core/compass-core-x.jar, compass/modules/core/lib/commons-logging-x.jar, compass-x/modules/core/lib/log4j-x.jar, compass-x/modules/core/lib/lucene-core-x-rc1-dev.jar.
在你的項目中創建下面的目錄(可以根據自己的定義來改動)：

log4j.properties 
- org 
?? - compassframework 
???? - sample 
?????? - example 
?????????? alias.cmd.xml 
?????????? compass.cfg.xml 
?????????? CompassExample.java 
?????????? Phrase.cpm.xml 
?????????? Phrase.java

下面說一下幾個重要的配置文件

?compass.cfg.xmlcode

指定的target/index?是一個存儲目錄放索引文件的

（這個類必須有個無參數的構造和id屬性）

xml 代碼

??
??
"http://static.compassframework.org/dtd/compass-core-configuration-1.0.dtd" > ? ??
??
??
??
< ??
??
compass-core-configuration > ? ??
< compass > ??
??
< setting ? name = "compass.engine.connection" > target/index setting > ??
??
< meta-data ? resource = "org/compassframework/sample/example/alias.cmd.xml" ? /> ??
??
compass > ??
??
compass-core-configuration > ??
??

?alias.cmd.xml:

xml 代碼

??
??
xml ? version = "1.0" ?> ? ??
"-//Compass/Compass?Core?Meta?Data?DTD?1.0//EN"? ??
"http://static.compassframework.org/dtd/compass-core-meta-data-1.0.dtd" > ? ??
< compass-core-meta-data > ? ??
< meta-data-group ? id = "example" ? displayName = "Example?Meta?Data" > ??
??
< description > Example?Meta?Data description > ??
??
< uri > http://compass/example uri > ??
??
??
< alias ? id = "phrase" ? displayName = "Phrase" > ??
??
< description > Phrase?alias description > ??
??
< uri > http://compass/example/phrase uri > ??
??
< name > phrase name > ??
??
alias > ??
??
< meta-data ? id = "author" ? displayName = "Author" > ??
??
< description > Author?alias description > ??
??
< uri > http://compass/example/author uri > ??
??
< name > author name > ??
??
meta-data > ??
??
< meta-data ? id = "text" ? displayName = "Text" > ??
??
< description > Text?alias description > ??
??
< uri > http://compass/example/text uri > ??
??
< name > text name > ??
??
meta-data > ??
??
meta-data-group > ??
??
compass-core-meta-data > ??

Phrase.java


														java 代碼
														
																
																		
																		
																		
																				
																						
																								package
																								?org.compassframework.sample.example; ??
																						
																				
																				
																						??
																				
																				
																						
																						
																						public
																						?
																						class
																						?Phrase?{ ??
																				
																				
																						??
																				
																				
																						?
																						private
																						?String?author; ??
																				
																				
																						??
																				
																				
																						?
																						private
																						?String?text; ??
																				
																				
																						??
																				
																				
																						?
																						private
																						?Long?id; ??
																				
																				
																						??
																				
																				
																						?
																						public
																						?Phrase()?{ ??
																				
																				
																						??
																				
																				
																						?} ??
																				
																				
																						??
																				
																				
																						?
																						public
																						?String?getAuthor()?{ ??
																				
																				
																						?????
																						return
																						?author; ??
																				
																				
																						?} ??
																				
																				
																						??
																				
																				
																						?
																						public
																						?
																						void
																						?setAuthor(String?author)?{ ??
																				
																				
																						?????
																						this
																						.author?=?author; ??
																				
																				
																						?} ??
																				
																				
																						??
																				
																				
																						?
																						public
																						?String?getText()?{ ??
																				
																				
																						?????
																						return
																						?text; ??
																				
																				
																						?} ??
																				
																				
																						??
																				
																				
																						?
																						public
																						?
																						void
																						?setText(String?text)?{ ??
																				
																				
																						?????
																						this
																						.text?=?text; ??
																				
																				
																						?} ??
																				
																				
																						??
																				
																				
																						?
																						public
																						?Long?getId()?{ ??
																				
																				
																						?????
																						return
																						?id; ??
																				
																				
																						?} ??
																				
																				
																						??
																				
																				
																						?
																						public
																						?
																						void
																						?setId(Long?id)?{ ??
																				
																				
																						?????
																						this
																						.id?=?id; ??
																				
																				
																						?} ??
																				
																				
																						??
																				
																				
																						?
																						public
																						?String?toString()?{ ??
																				
																				
																						??
																				
																				
																						?????
																						return
																						?text; ??
																				
																				
																						?} ??
																				
																				
																						??
																				
																				
																						}? ??
																				
																		
																
														
														Phrase.cpm.xml

														?


												
														xml 代碼
														
																
																
																
																		
																				
																						<!--sp-->xml?version="1.0"?>? ??
																				
																		
																		
																				<!--CTYPE?compass-core-mapping?PUBLIC? ??</sp-->
																		
																		
																				"-//Compass/Compass?Core?Mapping?DTD?1.0//EN"? ??
																		
																		
																				"http://static.compassframework.org/dtd/compass-core-mapping-1.0.dtd"
																				>
																				? ??
																		
																		
																				
																				
																				<
																				compass-core-mapping
																				?
																				package
																				=
																				"org.compassframework.sample.example"
																				>
																				? ??
																		
																		
																				
																				
																				<
																				class
																				?
																				name
																				=
																				"Phrase"
																				?
																				alias
																				=
																				"${example.phrase}"
																				>
																				??
																		
																		
																				??
																		
																		
																				
																				
																				<
																				id
																				?
																				name
																				=
																				"id"
																				?
																				/>
																				??
																		
																		
																				??
																		
																		
																				
																				
																				<
																				property
																				?
																				name
																				=
																				"author"
																				>
																				??
																		
																		
																				??
																		
																		
																				
																				
																				<
																				meta-data
																				>
																				${example.author}
																				
																						meta-data
																						>
																						??
																				
																		
																		
																				??
																		
																		
																				
																				
																				
																						property
																						>
																						??
																				
																		
																		
																				??
																		
																		
																				
																				
																				<
																				property
																				?
																				name
																				=
																				"text"
																				>
																				??
																		
																		
																				??
																		
																		
																				
																				
																				<
																				meta-data
																				>
																				${example.text}
																				
																						meta-data
																						>
																						??
																				
																		
																		
																				??
																		
																		
																				
																				
																				
																						property
																						>
																						??
																				
																		
																		
																				??
																		
																		
																				
																				
																				
																						class
																						>
																						??
																				
																		
																		
																				??
																		
																		
																				
																				
																				
																						compass-core-mapping
																						>
																						??
																				
																		
																
														
CompassExample.java

java 代碼

package ?org.compassframework.sample.example; ??
??
import ?org.apache.log4j.Logger; ??
??
import ?org.compassframework.core.Compass; ??
import ?org.compassframework.core.Compass; ??
import ?org.compassframework.core.CompassSession; ??
import ?org.compassframework.core.CompassTransaction; ??
import ?org.compassframework.core.config.CompassConfiguration; ??
??
public ? class ?CompassExample?{ ??
??
? private ? static ? final ?Logger?logger?=?Logger.getLogger(CompassExample. class ); ??
? ??
? private ?compasscompass; ??
? ??
? public ? static ? void ?main(String[]?args){ ??
????? new ?CompassExample().process(); ??
?} ??
? ??
? private ? void ?process(){ ??
?????CompassConfiguration?config?=? new ?CompassConfiguration(); ??
?????config.configure( "org/compassframework/sample/example/compass.cfg.xml" ); ??
?????config.addClass(Phrase. class ); ??
?????compass?=?config.buildCompass(); ??
?????compass.getSearchEngineIndexManager().deleteIndex(); ??
?????compass.getSearchEngineIndexManager().createIndex(); ??
?? ??
?????createIndex(); ??
?????search( "mule?AND?crazy" ); ??
?????search( "Marisol?OR?Ramon" ); ??
?} ??
? ??
? private ? void ?createIndex(){ ??
??CompassSession?session?=?compass.openSession(); ??
?????CompassTransaction?tx?=?session.beginTransaction(); ??
?????Phrase?phrase?=? new ?Phrase(); ??
?????phrase.setAuthor( "Joe" ); ??
?????phrase.setText( "I?don't?think?it's?nice?you?laughing.?" ?+? ??
???????????? "You?see?my?mule?don't?like?people?laughing.?" ?+? ??
???????????? "He?gets?the?crazy?idea?you're?laughing?at?him.?" ?+? ??
???????????? "Now?if?you?apologize?like?I?know?you're?going?to,?" ?+? ??
???????????? "I?might?convince?him?that?you?really?didn't?mean?it..." ); ??
?????phrase.setId( new ?Long( 1 )); ??
?????session.save(phrase); ??
?????tx.commit(); ??
?????session.close(); ??
?} ??
? ??
? private ? void ?search(String?query){ ??
?????CompassSession?session?=?compass.openSession(); ??
?????CompassTransaction?tx?=?session.beginTransaction(); ??
?????Compass?hits?=?session.find(query); ??
????? if ?(logger.isDebugEnabled())?{ ??
????????logger.debug( "search()?-?Found?" ?+?hits.getLength()+ "?hits?for?\"" +query+ "\"" ); ??
?????} ??
????? for ?( int ?i?=? 0 ;?i?<?hits.getLength();?i++)?{ ??
????????print(hits,?i); ??
?????} ??
?????hits.close(); ??
?????tx.commit(); ??
?????session.close(); ??
?????compass.close(); ??
?} ??
? ??
? private ? void ?print(Compass?hits,? int ?hitNumber)?{ ??
?????Phrase?value?=?(Phrase)hits.data(hitNumber); ??
????? if ?(logger.isDebugEnabled())?{ ??
?????????logger.debug( "print()?-?Phrase?by?" ?+?value.getAuthor()?+? ":?" ??
?????????????+?value.getText()); ??
?????} ??
?} ??
??
} ??
??

為了保證能打印出我們的測試，需要加入log4j.properties ：
log4j.rootLogger=ERROR, stdout log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d %p %c - %m%n log4j.logger.org.compassframework.sample.example=DEBUG

下面是打印出來的測試結果：
search() - Found 1 hits for "mule AND crazy" print() - Phrase by Joe: I don't think it's nice you laughing... search() - Found 0 hits for "Marisol OR Ramon"

posted on 2007-01-29 18:12 leoli 閱讀(507) 評論(0) 編輯收藏所屬分類: Frame

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