5 Apache Lucene - Lucene Contrib
10 <section id="Contrib"><title>Lucene Contrib</title>
12 The Lucene Java project also contains a workspace, Lucene Contrib
13 (formerly known as the Lucene Sandbox), that is open both to all Lucene
14 Java core committers and to developers whose commit rights are
15 restricted to the Contrib workspace; these developers are referred to
16 as "Contrib committers". The Lucene Contrib workspace hosts the
17 following types of packages:
20 <li>Various third party contributions.</li>
22 Contributions with third party dependencies - the Lucene Java core
23 distribution has no external runtime dependencies.
26 New ideas that are intended for eventual inclusion into the Lucene
31 Users are free to experiment with the components developed in the
32 Contrib workspace, but Contrib packages will not necessarily be
33 maintained, particularly in their current state. The Lucene Java core
34 backwards compatibility commitments (see
35 <a href="http://wiki.apache.org/lucene-java/BackwardsCompatibility"
36 >http://wiki.apache.org/lucene-java/BackwardsCompatibility</a>)
37 do not necessarily extend to the packages in the Contrib workspace.
38 See the README.txt file for each Contrib package for details. If the
39 README.txt file does not address its backwards compatibility
40 commitments, users should assume it does not make any compatibility
44 See <a href="../changes/Contrib-Changes.html">Contrib CHANGES</a> for changes included in the current release.
49 You can access the current trunk Contrib repository at
50 <a href="http://svn.apache.org/repos/asf/lucene/dev/trunk/lucene/contrib/">http://svn.apache.org/repos/asf/lucene/dev/trunk/lucene/contrib/</a>.
53 <section id="analyzers"><title>analyzers</title>
54 <p>Contributed Analyzers, Tokenizers, and Filters for various uses and languages.</p>
55 <p>See <a href="../api/contrib-analyzers/index.html">analyzers javadoc</a></p>
58 <section id="benchmark"><title>benchmark</title>
59 <p>The benchmark contribution contains tools for benchmarking Lucene using standard, freely available corpora.</p>
60 <p>See <a href="../api/contrib-benchmark/index.html">benchmark javadoc</a></p>
63 <section id="demo"><title>demo</title>
64 <p>The demo contrib contains the Lucene demo: IndexFiles and SearchFiles, described under
65 <a href="../gettingstarted.html">Getting Started</a>.</p>
66 <p>See <a href="../api/contrib-demo/index.html">demo javadoc</a></p>
69 <section id="facet"><title>facet</title>
70 <p>Provides faceted indexing and search capabilities</p>
71 <p>See <a href="../api/contrib-facet/index.html">facet javadoc</a></p>
74 <section id="grouping"><title>grouping</title>
75 <p>Groups search results according to a specified field</p>
76 <p>See <a href="../api/contrib-grouping/index.html">grouping javadoc</a></p>
79 <section id="highlighter"><title>highlighter</title>
80 <p>A set of classes for highlighting matching terms in search results.</p>
81 <p>See <a href="../api/contrib-highlighter/index.html">highlighter javadoc</a></p>
84 <section id="icu"><title>icu</title>
85 <p>Provides integration with ICU (International Components for Unicode) for
86 stronger Unicode and internationalization support. </p>
87 <p>See <a href="../api/contrib-icu/index.html">icu javadoc</a></p>
90 <section id="instantiated"><title>instantiated</title>
91 <p>RAM-based index that enables much faster searching than RAMDirectory in certain situations.</p>
92 <p>See <a href="../api/contrib-instantiated/index.html">instantiated javadoc</a></p>
95 <section id="join"><title>join</title>
96 <p>Enables joining of parent and child documents when indexed as a doc block</p>
97 <p>See <a href="../api/contrib-join/index.html">join javadoc</a></p>
100 <section id="memory"><title>memory</title>
101 <p>High-performance single-document main memory index.</p>
102 <p>See <a href="../api/contrib-memory/index.html">memory javadoc</a></p>
105 <section id="misc"><title>misc</title>
106 <p>A variety of miscellaneous files, including QueryParsers, and other alternate Lucene class implementations and tools.</p>
107 <p>See <a href="../api/contrib-misc/index.html">misc javadoc</a></p>
110 <section id="queryparser"><title>queryparser</title>
111 <p>A new Lucene query parser implementation, which matches the syntax of the core QueryParser but offers a more modular architecture to enable customization.</p>
112 <p>See <a href="../api/contrib-queryparser/index.html">queryparser javadoc</a></p>
115 <section id="queries"><title>queries</title>
116 <p>Additional queries for Lucene.</p>
117 <p>See <a href="../api/contrib-queries/index.html">queries javadoc</a></p>
120 <section id="remote"><title>remote</title>
121 <p>Classes to help use Lucene with RMI.</p>
122 <p>See <a href="../api/contrib-remote/index.html">remote javadoc</a></p>
125 <section id="spatial"><title>spatial</title>
126 <p>Classes to help with efficient distance based sorting.</p>
127 <p>See <a href="../api/contrib-spatial/index.html">spatial javadoc</a></p>
130 <section id="spellchecker"><title>spellchecker</title>
131 <p>Provides tools for spellchecking and suggestions with Lucene.</p>
132 <p>See <a href="../api/contrib-spellchecker/index.html">spellchecker javadoc</a></p>
135 <section id="xml-query-parser"><title>xml-query-parser</title>
136 <p>A QueryParser that can read queries written in an XML format.</p>
137 <p>See <a href="../api/contrib-xml-query-parser/index.html">xml-query-parser javadoc</a></p>