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<!doctype html public "-//w3c//dtd html 4.0 transitional//en"> | ||
<html> | ||
<head> | ||
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> | ||
<meta name="Author" content="Doug Cutting"> | ||
<meta name="Author" content="Ted Husted"> | ||
<meta name="GENERATOR" content="Mozilla/4.72 [en] (Win98; U) [Netscape]"> | ||
<title>Jakarta Lucene API Documentation</title> | ||
</head> | ||
<body> | ||
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<h1>Jakarta Lucene API Documentation</h1> | ||
The <a href="http://jakarta.apache.org/lucene">Jakarta Lucene</a> API is divided into several | ||
packages: | ||
<ul> | ||
<li> | ||
<b><a href="org/apache/lucene/util/package-summary.html">com.lucene.util</a></b> | ||
contains a few handy data structures, e.g., <a href="org/apache/lucene/util/BitVector.html">BitVector</a> | ||
and <a href="org/apache/lucene/util/PriorityQueue.html">PriorityQueue</a>.</li> | ||
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<li> | ||
<b><a href="org/apache/lucene/store/package-summary.html">com.lucene.store</a></b> | ||
defines an abstract class for storing persistent data, the <a href="org/apache/lucene/store/Directory.html">Directory</a>, | ||
a collection of named files written by an <a href="org/apache/lucene/store/OutputStream.html">OutputStream</a> | ||
and read by an <a href="org/apache/lucene/store/InputStream.html">InputStream</a>. | ||
Two implementations are provided, <a href="org/apache/lucene/store/FSDirectory.html">FSDirectory</a>, | ||
which uses a file system directory to store files, and <a href="org/apache/lucene/store/RAMDirectory.html">RAMDirectory</a> | ||
which implements files as memory-resident data structures.</li> | ||
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<li> | ||
<b><a href="org/apache/lucene/document/package-summary.html">com.lucene.document</a></b> | ||
provides a simple <a href="org/apache/lucene/document/Document.html">Document</a> | ||
class. A document is simply a set of named <a href="org/apache/lucene/document/Field.html">Field</a>'s, | ||
whose values may be strings or instances of <a href="http://java.sun.com/products/jdk/1.2/docs/api/java/io/Reader.html">java.io.Reader</a>.</li> | ||
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<li> | ||
<b><a href="org/apache/lucene/analysis/package-summary.html">com.lucene.analysis</a></b> | ||
defines an abstract <a href="org/apache/lucene/analysis/Analyzer.html">Analyzer</a> | ||
API for converting text from a <a href="http://java.sun.com/products/jdk/1.2/docs/api/java/io/Reader.html">java.io.Reader</a> | ||
into a <a href="org/apache/lucene/analysis/TokenStream.html">TokenStream</a>, | ||
an enumeration of <a href="org/apache/lucene/analysis/Token.html">Token</a>'s. | ||
A TokenStream is composed by applying <a href="org/apache/lucene/analysis/TokenFilter.html">TokenFilter</a>'s | ||
to the output of a <a href="org/apache/lucene/analysis/Tokenizer.html">Tokenizer</a>. | ||
A few simple implemenations are provided, including <a href="org/apache/lucene/analysis/StopAnalyzer.html">StopAnalyzer</a> | ||
and the grammar-based <a href="org/apache/lucene/analysis/standard/StandardAnalyzer.html">StandardAnalyzer</a>.</li> | ||
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<li> | ||
<b><a href="org/apache/lucene/index/package-summary.html">com.lucene.index</a></b> | ||
provides two primary classes: <a href="org/apache/lucene/index/IndexWriter.html">IndexWriter</a>, | ||
which creates and adds documents to indices; and <a href="org/apache/lucene/index/IndexReader.html">IndexReader</a>, | ||
which accesses the data in the index.</li> | ||
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<li> | ||
<b><a href="org/apache/lucene/search/package-summary.html">com.lucene.search</a></b> | ||
provides data structures to represent queries (<a href="org/apache/lucene/search/TermQuery.html">TermQuery</a> | ||
for individual words, <a href="org/apache/lucene/search/PhraseQuery.html">PhraseQuery</a> | ||
for phrases, and <a href="org/apache/lucene/search/BooleanQuery.html">BooleanQuery</a> | ||
for boolean combinations of queries) and the abstract <a href="org/apache/lucene/search/Searcher.html">Searcher</a> | ||
which turns queries into <a href="org/apache/lucene/search/Hits.html">Hits</a>. | ||
<a href="org/apache/lucene/search/IndexSearcher.html">IndexSearcher</a> | ||
implements search over a single IndexReader.</li> | ||
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<li> | ||
<b><a href="org/apache/lucene/queryParser/package-summary.html">com.lucene.queryParser</a></b> | ||
uses <a href="http://www.suntest.com/JavaCC/">JavaCC</a> to implement a | ||
<a href="org/apache/lucene/queryParser/QueryParser.html">QueryParser</a>.</li> | ||
</ul> | ||
To use Lucene, an application should: | ||
<ol> | ||
<li> | ||
Create <a href="org/apache/lucene/document/Document.html">Document</a>'s by | ||
adding | ||
<a href="org/apache/lucene/document/Field.html">Field</a>'s.</li> | ||
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<li> | ||
Create an <a href="org/apache/lucene/index/IndexWriter.html">IndexWriter</a> | ||
and add documents to to it with <a href="org/apache/lucene/index/IndexWriter.html#addDocument(com.lucene.document.Document)">addDocument()</a>;</li> | ||
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<li> | ||
Call <a href="org/apache/lucene/queryParser/QueryParser.html#parse(java.lang.String)">QueryParser.parse()</a> | ||
to build a query from a string; and</li> | ||
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<li> | ||
Create an <a href="org/apache/lucene/search/IndexSearcher.html">IndexSearcher</a> | ||
and pass the query to it's <a href="org/apache/lucene/search/Searcher.html#search(com.lucene.search.Query)">search()</a> | ||
method.</li> | ||
</ol> | ||
Some simple examples of code which does this are: | ||
<ul> | ||
<li> | ||
<a href="../demo/FileDocument.java">FileDocument.java</a> contains | ||
code to create a Document for a file.</li> | ||
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<li> | ||
<a href="../demo/IndexFiles.java">IndexFiles.java</a> creates an | ||
index for all the files contained in a directory.</li> | ||
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<li> | ||
<a href="../demo/DeleteFiles.java">DeleteFiles.java</a> deletes some | ||
of these files from the index.</li> | ||
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<li> | ||
<a href="../demo/SearchFiles.java">SearchFiles.java</a> prompts for | ||
queries and searches an index.</li> | ||
</ul> | ||
To demonstrate these, try: | ||
<blockquote><tt>F:\> <b>java demo.IndexFiles rec.food.recipes\soups</b></tt> | ||
<br><tt>adding rec.food.recipes\soups\abalone-chowder</tt> | ||
<br><tt> </tt>[ ... ] | ||
<p><tt>F:\> <b>java demo.SearchFiles</b></tt> | ||
<br><tt>Query: <b>chowder</b></tt> | ||
<br><tt>Searching for: chowder</tt> | ||
<br><tt>34 total matching documents</tt> | ||
<br><tt>0. rec.food.recipes\soups\spam-chowder</tt> | ||
<br><tt> </tt>[ ... thirty-four documents contain the word "chowder", | ||
"spam-chowder" with the greatest density.] | ||
<p><tt>Query: <b>path:chowder</b></tt> | ||
<br><tt>Searching for: path:chowder</tt> | ||
<br><tt>31 total matching documents</tt> | ||
<br><tt>0. rec.food.recipes\soups\abalone-chowder</tt> | ||
<br><tt> </tt>[ ... only thrity-one have "chowder" in the "path" | ||
field. ] | ||
<p><tt>Query: <b>path:"clam chowder"</b></tt> | ||
<br><tt>Searching for: path:"clam chowder"</tt> | ||
<br><tt>10 total matching documents</tt> | ||
<br><tt>0. rec.food.recipes\soups\clam-chowder</tt> | ||
<br><tt> </tt>[ ... only ten have "clam chowder" in the "path" field. | ||
] | ||
<p><tt>Query: <b>path:"clam chowder" AND manhattan</b></tt> | ||
<br><tt>Searching for: +path:"clam chowder" +manhattan</tt> | ||
<br><tt>2 total matching documents</tt> | ||
<br><tt>0. rec.food.recipes\soups\clam-chowder</tt> | ||
<br><tt> </tt>[ ... only two also have "manhattan" in the contents. | ||
] | ||
<br> [ Note: "+" and "-" are canonical, but "AND", "OR" | ||
and "NOT" may be used. ]</blockquote> | ||
The <a href="../demo/IndexHTML.java">IndexHtml</a> demo is more sophisticated. | ||
It incrementally maintains an index of HTML files, adding new files as | ||
they appear, deleting old files as they disappear and re-indexing files | ||
as they change. | ||
<blockquote><tt>F:\><b>java demo.IndexHTML -create java\jdk1.1.6\docs\relnotes</b></tt> | ||
<br><tt>adding java/jdk1.1.6/docs/relnotes/SMICopyright.html</tt> | ||
<br><tt> </tt>[ ... create an index containing all the relnotes ] | ||
<p><tt>F:\><b>del java\jdk1.1.6\docs\relnotes\smicopyright.html</b></tt> | ||
<p><tt>F:\><b>java demo.IndexHTML java\jdk1.1.6\docs\relnotes</b></tt> | ||
<br><tt>deleting java/jdk1.1.6/docs/relnotes/SMICopyright.html</tt></blockquote> | ||
HTML indexes are searched using SUN's <a href="http://jserv.javasoft.com/products/webserver/index.html">JavaWebServer</a> | ||
(JWS) and <a href="../demo/Search.jhtml">Search.jhtml</a>. To use | ||
this: | ||
<ul> | ||
<li> | ||
copy <tt>Search.html</tt> and <tt>Search.jhtml</tt> to JWS's <tt>public_html</tt> | ||
directory;</li> | ||
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<li> | ||
copy lucene.jar to JWS's lib directory;</li> | ||
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<li> | ||
create and maintain your indexes with demo.IndexHTML in JWS's top-level | ||
directory;</li> | ||
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<li> | ||
launch JWS, with the <tt>demo</tt> directory on CLASSPATH (only one class | ||
is actually needed);</li> | ||
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<li> | ||
visit <a href="../demo/Search.html">Search.html</a>.</li> | ||
</ul> | ||
Note that indexes can be updated while searches are going on. <tt>Search.jhtml</tt> | ||
will re-open the index when it is updated so that the latest version is | ||
immediately available. | ||
<br> | ||
</body> | ||
</html> |
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@echo off | ||
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for %%i in (.\lib\*.jar) do call cpappend.bat %%i | ||
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echo CLASSPATH="%_CP%" | ||
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java -classpath "%_CP%" org.apache.tools.ant.Main -Dant.home=%_AH% %1 %2 %3 | ||
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SET _CP= |
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#!/bin/sh | ||
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if [ "$JAVA_HOME" = "" ] ; then | ||
echo You must set JAVA_HOME to point at your Java Development Kit directory | ||
exit 1 | ||
fi | ||
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# convert the existing path to unix | ||
if [ "$OSTYPE" = "cygwin32" ] || [ "$OSTYPE" = "cygwin" ] ; then | ||
CLASSPATH=`cygpath --path --unix "$CLASSPATH"` | ||
fi | ||
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# Add in your .jar files first | ||
for i in ./lib/*.jar | ||
do | ||
CLASSPATH=$CLASSPATH:"$i" | ||
done | ||
# Add in the jakarta-site2 library files | ||
for i in ../jakarta-site2/lib/*.jar | ||
do | ||
CLASSPATH=$CLASSPATH:"$i" | ||
done | ||
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# convert the unix path to windows | ||
if [ "$OSTYPE" = "cygwin32" ] || [ "$OSTYPE" = "cygwin" ] ; then | ||
CLASSPATH=`cygpath --path --windows "$CLASSPATH"` | ||
fi | ||
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BUILDFILE=build.xml | ||
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#echo $CLASSPATH | ||
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java $ANT_OPTS -classpath "$CLASSPATH" org.apache.tools.ant.Main \ | ||
-Dant.home=$ANT_HOME \ | ||
-buildfile ${BUILDFILE} \ | ||
"$@" |
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<project name="build-site" default="docs" basedir="."> | ||
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<!-- Initialization properties --> | ||
<property name="project.name" value="site"/> | ||
<property name="docs.src" value="./xdocs"/> | ||
<property name="docs.dest" value="./docs"/> | ||
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<target name="prepare"> | ||
<available classname="org.apache.velocity.anakia.AnakiaTask" | ||
property="AnakiaTask.present"/> | ||
</target> | ||
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<target depends="prepare" name="prepare-error" unless="AnakiaTask.present"> | ||
<echo> | ||
AnakiaTask is not present! Please check to make sure that | ||
velocity.jar is in your classpath. | ||
</echo> | ||
</target> | ||
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<target name="docs" depends="prepare-error" if="AnakiaTask.present"> | ||
<taskdef name="anakia" classname="org.apache.velocity.anakia.AnakiaTask"/> | ||
<anakia basedir="${docs.src}" destdir="${docs.dest}/" | ||
extension=".html" style="./site.vsl" | ||
projectFile="stylesheets/project.xml" | ||
excludes="**/stylesheets/** empty.xml" | ||
includes="**/*.xml" | ||
lastModifiedCheck="true" | ||
templatePath="../jakarta-site2/xdocs/stylesheets" | ||
> | ||
</anakia> | ||
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<copy todir="${docs.dest}/images" filtering="no"> | ||
<fileset dir="${docs.src}/images"> | ||
<include name="**/*.gif"/> | ||
<include name="**/*.jpeg"/> | ||
<include name="**/*.jpg"/> | ||
</fileset> | ||
</copy> | ||
<!-- In case we have CSS someday | ||
<copy todir="${docs.dest}" filtering="no"> | ||
<fileset dir="${docs.src}"> | ||
<include name="**/*.css"/> | ||
</fileset> | ||
</copy> | ||
--> | ||
</target> | ||
</project> |
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set _CP=%1;%_CP% |
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