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https://issues.apache.org/activemq/browse/CAMEL-2357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=56892#action_56892
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Claus Ibsen commented on CAMEL-2357:
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First work of progress in trunk: 898847.
> ExchangeNotifierBuilder - Add a builder to building exchange notification
> predicates to be used for testing
> -----------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-2357
> URL: https://issues.apache.org/activemq/browse/CAMEL-2357
> Project: Apache Camel
> Issue Type: New Feature
> Components: camel-core
> Affects Versions: 2.1.0
> Reporter: Claus Ibsen
> Assignee: Claus Ibsen
> Fix For: 2.2.0
>
>
> When doing unit testing and you do not use mocks or the likes to test when X
> number of message have completed etc.
> Then we need some other form to do that and a fairly lightweight and simple
> builder can offer this in a intuitive way.
> {code}
> ExchangeNotifierBuilder builder = new ExchangeNotifierBuilder(context)
> .from("direct:foo").whenExchangeDone(5)
> .create();
> {code}
> And you can stack with operations such as *and, or, not* etc:
> {code}
> ExchangeNotifierBuilder builder = new ExchangeNotifierBuilder(context)
> .from("direct:foo").whenExchangeDone(5)
> .or().from("direct:bar").whenExchangeDone(7)
> .create();
> {code}
> Then you just assert whether it matched and there should be methods to wait
> as well
> {code}
> assertEquals(true, builder.matches());
> {code}
> As well as a method to invoke a callback when its matching.
> On top we can add to the builder so you can do fine grained expressions to
> indicate when this message is complete, or when 5 messages with header amount
> > 100 is complete etc.
> Basically if we can tap in the other builders then you would be able to
> archive that
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