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From "Uwe Schindler (JIRA)" <>
Subject [jira] [Updated] (LUCENE-4440) FilterCodec should take a delegate Codec in its ctor
Date Thu, 27 Sep 2012 17:30:08 GMT


Uwe Schindler updated LUCENE-4440:

    Attachment: LUCENE-4440.patch

Patch adding the Exceptions to Codec and PostingsFormat.

The Analysis SPI factory loading mechanism does not have the chicken-egg problem:
- It returns *new* instances and has no forName() method.
- Static class ctors from Subclasses are not executed while SPI loading, ass SPIClassIterator
does not initialize classes while loading. The first time a factory is touched is when a new
instance is created and that happens not while SPI is initializing

Please check the messages, I want to commit this ASAP, because Robert wants to spin a new
> FilterCodec should take a delegate Codec in its ctor
> ----------------------------------------------------
>                 Key: LUCENE-4440
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/codecs
>    Affects Versions: 4.0-BETA
>            Reporter: Shai Erera
>            Assignee: Uwe Schindler
>            Priority: Blocker
>             Fix For: 4.1, 5.0, 4.0
>         Attachments: LUCENE-4440.patch, LUCENE-4440.patch
> FilterCodec has a delegate() method through which an extension can return its delegate
Codec. This method is called on every Codec method. Adrien, on LUCENE-4391, failed to pass
a Codec in the ctor, since he couldn't called Codec.forName().
> Instead, we should just pass e.g. new Lucene40Codec(). I'll post a patch shortly.

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