ExchangeNotifierBuilder - Add a builder to building exchange notification
predicates to be used for testing
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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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