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From "Sergey Beryozkin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CXF-6837) Add cache for MessageBodyReader/Writer
Date Wed, 30 Mar 2016 11:36:25 GMT

    [ https://issues.apache.org/jira/browse/CXF-6837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15217819#comment-15217819
] 

Sergey Beryozkin commented on CXF-6837:
---------------------------------------

Even though the Type is checked separately in handleMapper, it is still part of the check.


If you have
{code:java}
public class ListAReader implements MessageBodyReader<List<A>> {}
 {code}

{code:java}
public class ListBReader implements MessageBodyReader<List<B>> {}
 {code}

then if you only use a Class (List) + MediaType then you won't get the right provider.


> Add cache for MessageBodyReader/Writer
> --------------------------------------
>
>                 Key: CXF-6837
>                 URL: https://issues.apache.org/jira/browse/CXF-6837
>             Project: CXF
>          Issue Type: Improvement
>          Components: JAX-RS
>    Affects Versions: 3.1.5, 3.0.8
>         Environment: windows
>            Reporter: Neal Hu
>             Fix For: 3.2.0
>
>         Attachments: ProviderCache.java, ProviderFactory.patch
>
>
> CXF selects the msgBodyReader/writer in the reader/writer list for every request, which
has big impact to the performance. Jersey also has the cache in org.glassfish.jersey.message.internal.MessageBodyFactory._getMessageBodyReader(...).
I have tried add the cache for CXF in ProviderFactory and been proved that it has improved
7-8% for json requests in JMeter. Please let me know if you'd like me to add the enhancement
for CXF. Thanks. 
> http://cxf.547215.n5.nabble.com/MessageBodyReader-Writer-cache-td5767091.html



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