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From "Daniel Kulp (JIRA)" <>
Subject [jira] Commented: (CXF-1917) Mtom Performance - AttachmentDeserializer's regex.Patterns compiles during invocation
Date Mon, 17 Nov 2008 21:50:44 GMT


Daniel Kulp commented on CXF-1917:

Ummm... no it cannot be moved into AttachmentInInterceptor.    The interceptors are re-entrant.
 Thus, there could be multiple threads currently in the AttachmentInInterceptor, all with
their own message and thus, there would be all kinds of issues if they all called ad.setMessage(...)
at the same time.

I also don't know what the problem is.   The Patter is a static.   Thus, it's compiled once
and only once.   They aren't compiled for every message.

> Mtom Performance - AttachmentDeserializer's regex.Patterns compiles during invocation
> -------------------------------------------------------------------------------------
>                 Key: CXF-1917
>                 URL:
>             Project: CXF
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 2.0.7
>         Environment: Windows XP, Java SE 1.6
>            Reporter: Mayank Mishra
>            Priority: Minor
>         Attachments: AttachmentDeserializer.patch, AttachmentInInterceptor.patch
> AttachmentDeserializer contains static java.util.regex.Patterns which compiled for particular
String expressions, which takes substantial time in milliseconds (around 50-100 ms). 
> AttachmentDeserializer instance is created in AttachmentInInterceptor during handleMessage()
call. This can be moved to AttachmentInInterceptor constructor, and provided a setMessage(Message
message) method in AttachmentDerserializer, we can set message during handleMessage() call.

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