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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-1728) Move SmartChineseAnalyzer & resources to own contrib project
Date Mon, 06 Jul 2009 02:01:15 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir updated LUCENE-1728:
--------------------------------

    Attachment: LUCENE-1728.txt

Simon, below is the method I used to do the refactoring with this patch.
I know I am pressing the limits of what is a "refactoring" but in my opinion, this minor cleanup
was necessary to prevent internal structures from being exposed:
* Use of two Tokenizers in the same analyzer was confusing, WordTokenizer is now a TokenFilter.
* Analyzer uses the standard WordListLoader rather than custom stuff.
* Rather than force SmartChineseAnalyzer to keep track of internal heavyweight structures,
it implements reusableTokenStream, etc.

I added a few tests to ensure I didn't break anything in the SmartChineseAnalyzer.

{noformat}
## 1. clean svn checkout
## 2. run the following commands to refactor the files.

mkdir -p contrib/analysis/smartcn/src/java/org/apache/lucene/analysis/cn contrib/analysis/smartcn/src/test/org/apache/lucene/analysis/cn
contrib/analysis/smartcn/src/resources/org/apache/lucene/analysis/cn
svn add contrib/analysis
svn move contrib/analyzers/src/java/org/apache/lucene/analysis/cn/SmartChineseAnalyzer.java
contrib/analysis/smartcn/src/java/org/apache/lucene/analysis/cn
svn move contrib/analyzers/src/java/org/apache/lucene/analysis/cn/smart/hhmm/* contrib/analysis/smartcn/src/java/org/apache/lucene/analysis/cn
svn move contrib/analyzers/src/java/org/apache/lucene/analysis/cn/smart/*.java contrib/analysis/smartcn/src/java/org/apache/lucene/analysis/cn
svn delete contrib/analyzers/src/java/org/apache/lucene/analysis/cn/smart
svn move contrib/analyzers/src/test/org/apache/lucene/analysis/cn/TestSmartChineseAnalyzer.java
contrib/analysis/smartcn/src/test/org/apache/lucene/analysis/cn
svn move contrib/analyzers/src/resources/org/apache/lucene/analysis/cn/stopwords.txt contrib/analysis/smartcn/src/resources/org/apache/lucene/analysis/cn
svn move contrib/analyzers/src/resources/org/apache/lucene/analysis/cn/smart/hhmm/* contrib/analysis/smartcn/src/resources/org/apache/lucene/analysis/cn
svn delete contrib/analyzers/src/resources/org/apache/lucene/analysis/cn
svn move contrib/analysis/smartcn/src/java/org/apache/lucene/analysis/cn/WordTokenizer.java
contrib/analysis/smartcn/src/java/org/apache/lucene/analysis/cn/WordTokenFilter.java
svn move contrib/analyzers contrib/analysis

## 3. eclipse "refresh" at project level.
## 4. set text-file encoding at project level to UTF-8
## 5. manually force text-file encoding as UTF-8 for contrib/analysis/analyzers/src/java/org/apache/lucene/analysis/cn/package.html
##   this is an existing encoding issue that is corrected by this patch.
## 6. apply patch from clipboard (you may now remove the above hack and you will notice this
file is now detected properly as UTF-8)

{noformat}

> Move SmartChineseAnalyzer & resources to own contrib project
> ------------------------------------------------------------
>
>                 Key: LUCENE-1728
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1728
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: contrib/analyzers
>            Reporter: Simon Willnauer
>            Assignee: Simon Willnauer
>            Priority: Minor
>             Fix For: 2.9
>
>         Attachments: LUCENE-1728.txt
>
>
> SmartChineseAnalyzer depends on  a large dictionary that causes the analyzer jar to grow
up to 3MB. The dictionary is quite big compared to all the other resouces / class files contained
in that jar. 
> Having a separate analyzer-cn contrib project enables footprint-sensitive users (e.g.
using lucene on a mobile phone) to include analyzer.jar without getting into trouble with
disk space.
> Moving SmartChineseAnalyzer to a separate project could also include a small refactoring
as Robert mentioned in [LUCENE-1722|https://issues.apache.org/jira/browse/LUCENE-1722] several
classes should be package protected, members and classes could be final, commented syserr
and logging code should be removed etc.
> I set this issue target to 2.9 - if we can not make it until then feel free to move it
to 3.0

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