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From "James Strachan (JIRA)" <>
Subject [jira] Commented: (CAMEL-1078) Do not copy Exchanges at each step to improve performance
Date Tue, 09 Dec 2008 11:56:05 GMT


James Strachan commented on CAMEL-1078:

after having more coffee (mmm!) - I guess custom exchange implementations don't add a huge
value - other than typesafe getters for custom Message objects; so its not a huge biggie.

Custom Message implementations though is a biggie :)

> Do not copy Exchanges at each step to improve performance
> ---------------------------------------------------------
>                 Key: CAMEL-1078
>                 URL:
>             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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