[jira] [Created] (LUCENE-8768) Javadoc search support

["Namgyu Kim (JIRA)" <ji...@apache.org>]

Namgyu Kim created LUCENE-8768:
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             Summary: Javadoc search support
                 Key: LUCENE-8768
                 URL: https://issues.apache.org/jira/browse/LUCENE-8768
             Project: Lucene - Core
          Issue Type: New Feature
            Reporter: Namgyu Kim
         Attachments: javadoc-nightly.png, new-javadoc.png

Javadoc search is a new feature since Java 9.
([https://openjdk.java.net/jeps/225])

I think there is no reason not to use it if the current Lucene Java version is 11.

It can be a great help to developers looking at API documentation.

(The elastic search also supports it now!
[https://artifacts.elastic.co/javadoc/org/elasticsearch/client/elasticsearch-rest-client/7.0.0/org/elasticsearch/client/package-summary.html])

 

*- Before (Lucene Nightly Core Module Javadoc) -*

!javadoc-nightly.png!

*- After -*

*!new-javadoc.png!*

 

I'll change two lines for this.

1) change Javadoc's noindex option from true to false.

 
{code:java}
// common-build.xml line 187
<property name="javadoc.noindex" value="false"/>{code}
 

2) add javadoc argument "--no-module-directories"

 
{code:java}
// common-build.xml line 2283
<javadoc
    overview="@{overview}"
    additionalparam="--no-module-directories" // NEW CODE
    packagenames="org.apache.lucene.*,org.apache.solr.*"
    ...
    maxmemory="${javadoc.maxmemory}">
{code}
Currently there is an issue like the following link in JDK 11, so we need "--no-module-directories" option.
([https://bugs.openjdk.java.net/browse/JDK-8215291])

 

*- How to test -*

I did +"ant javadocs-modules"+ on lucene project and check Javadoc.

 

 



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