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Apache Lucene open-source search software
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Robert Muir 15f3743f02
Remove Operations.isFinite (#11813) 
This method is recursive: to avoid eating too much stack we apply a
small limit. This means it can't really be used on any largish automata
without hitting exception.

But the benefit of knowing finite vs infinite in AutomatonTermsEnum is
minor: let's not auto-compute this. FuzzyQuery still gets the finite
optimization because its finite by definition. PrefixQuery is always
infinite. Wildcard/Regex just assume infinite which is safe to do.

Remove the auto-computation and the "trillean" Boolean parameter. If you
dont know that your automaton is finite, pass false to
CompiledAutomaton, it is safe.

Move this method to AutomatonTestUtil so we can still use it in test
asserts.

Closes #11809
 		2022-09-24 10:51:04 -04:00
.github GitHub Workflows security hardening (#11789) 2022-09-20 11:28:07 +02:00
buildSrc Retry gradle wrapper download on http 500 and 503. (#11766) 2022-09-13 10:30:20 +02:00
dev-docs a bit of clarification about GitHub Milestone 2022-08-28 13:52:58 +09:00
dev-tools LUCENE-10365 Wizard changes contributed from Solr (#591) 2022-09-20 12:07:42 +02:00
gradle Upgrade google java format and apply tidy (#11811) 2022-09-24 15:40:27 +02:00
help LUCENE-10532: remove @Slow annotation (#832) 2022-05-09 23:03:55 -04:00
lucene Remove Operations.isFinite (#11813) 2022-09-24 10:51:04 -04:00
.asf.yaml .asf.yaml 2022-08-16 20:02:47 +09:00
.dir-locals.el LUCENE-9322: Add Lucene90 codec, including VectorFormat 2020-10-18 07:49:36 -04:00
.git-blame-ignore-revs LUCENE-9570: code reformatting [record rev]. 2021-01-05 13:44:42 +01:00
.gitattributes LUCENE-10305: Ensure line endings of versions.props is LF 2021-12-11 10:10:44 +09:00
.gitignore LUCENE-9920: Remove binary gradle-wrapper.jar from the repository 2021-04-10 16:08:39 +02:00
.hgignore LUCENE-2792: add FST impl 2010-12-12 15:36:08 +00:00
.lift.toml Disable liftbot, we have our own tools 2022-05-05 22:27:57 +02:00
CONTRIBUTING.md update contributing guide for GH issue (#11716) 2022-08-25 04:06:09 +09:00
LICENSE.txt LUCENE-10163 Move LICENSE and NOTICE file to top level (#388) 2021-10-18 01:24:11 +02:00
NOTICE.txt LUCENE-10613: Clean up outdated NOTICE.txt information concerning morfologik 2022-06-13 19:50:54 +02:00
README.md remove a link to old Jira in README. 2022-09-01 00:41:56 +09:00
build.gradle GH-11172: remove WindowsDirectory and native subproject. (#11774) 2022-09-15 16:22:46 +02:00
gradlew fail clearly on too-new JDK (#819) 2022-04-21 09:22:26 -04:00
gradlew.bat Fix JVM error branch logic. (#835) 2022-04-25 14:33:56 +02:00
settings.gradle GH-11172: remove WindowsDirectory and native subproject. (#11774) 2022-09-15 16:22:46 +02:00
versions.lock #11720 Upgrade randomizedtesting to 2.8.1 (#11721) 2022-08-26 00:01:57 +02:00
versions.props #11720 Upgrade randomizedtesting to 2.8.1 (#11721) 2022-08-26 00:01:57 +02:00

README.md

Apache Lucene

Lucene Logo

Apache Lucene is a high-performance, full-featured text search engine library written in Java.

Build Status

Online Documentation

This README file only contains basic setup instructions. For more comprehensive documentation, visit:

Building

Basic steps:

  1. Install OpenJDK 17 (exactly this version).
  2. Clone Lucene's git repository (or download the source distribution).
  3. Run gradle launcher script (gradlew).

We'll assume that you know how to get and set up the JDK - if you don't, then we suggest starting at https://jdk.java.net/ and learning more about Java, before returning to this README.

See Contributing Guide for details.

Contributing

Bug fixes, improvements and new features are always welcome! Please review the Contributing to Lucene Guide for information on contributing.

Discussion and Support