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From "Eks Dev (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-1219) support array/offset/ length setters for Field with binary data
Date Fri, 08 Aug 2008 13:55:44 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eks Dev updated LUCENE-1219:
----------------------------

    Attachment: LUCENE-1219.extended.patch

Mike, 
This new patch includes take3  and adds the following:

Fieldable  Document.getStoredBinaryField(String name, byte[] scratch);

where scratch param represents user byte buffer that will be used in case it is big enough,
if not, it will be simply allocated like today. If scratch is used, you get the same object
through Fieldable.getByteValue()


for this to work, I added one new method in Fieldable 
abstract Fieldable getBinaryField(byte[] scratch);

the only interesting implementation is in LazyField 

The reason for this is in my previous comment

this does not affect issues from take3 at all, but is dependant on it, as you need to know
the length of byte[] you read. take3 remains good to commit, I just did not know how to make
one isolated patch with only these changes without too much work in text editor 
 

> support array/offset/ length setters for Field with binary data
> ---------------------------------------------------------------
>
>                 Key: LUCENE-1219
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1219
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>            Reporter: Eks Dev
>            Assignee: Michael McCandless
>            Priority: Minor
>         Attachments: LUCENE-1219.extended.patch, LUCENE-1219.patch, LUCENE-1219.patch,
LUCENE-1219.patch, LUCENE-1219.patch, LUCENE-1219.take2.patch, LUCENE-1219.take3.patch
>
>
> currently Field/Fieldable interface supports only compact, zero based byte arrays. This
forces end users to create and copy content of new objects before passing them to Lucene as
such fields are often of variable size. Depending on use case, this can bring far from negligible
 performance  improvement. 
> this approach extends Fieldable interface with 3 new methods   
> getOffset(); gettLenght(); and getBinaryValue() (this only returns reference to the array)
>    

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