[jira] Commented: (CAMEL-1078) Do not copy Exchanges at each step to improve performance

["Claus Ibsen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/activemq/browse/CAMEL-1078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=52656#action_52656 ] 

Claus Ibsen commented on CAMEL-1078:
------------------------------------

Hadrian only 1 left. Do you work on it or should I give a stab? Would be great to have it done by start of next week so we can get started on a RC build of Camel 2.0.

This is really the last API changes we must get done before a 2.0 can be cut.

> Do not copy Exchanges at each step to improve performance
> ---------------------------------------------------------
>
>                 Key: CAMEL-1078
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-1078
>             Project: Apache Camel
>          Issue Type: Improvement
>          Components: camel-core
>    Affects Versions: 1.5.0
>            Reporter: Hadrian Zbarcea
>            Assignee: Hadrian Zbarcea
>            Priority: Critical
>             Fix For: 2.0.0
>
>
> The code in DefaultEndpoint.createExchange(Exchange exchange), calls on getExchangeType() to figure out if a new copy of Exchange needs be created.  The code relies though on the generic argument of the Endpoint type to figure out the actual Exchange type.  With the generics removed part of CAMEL-872, getExchangeType() always returns null, forcing a copy every time.
> There is no real need to extend Exchange, so the proposal for this to make the Exchange final and move the component specific bits, if any,  in the Message.

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