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https://issues.apache.org/jira/browse/CAMEL-7831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14641907#comment-14641907
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Claus Ibsen commented on CAMEL-7831:
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Also I wonder if we can get a lambdas to work with something else than the
exchange, eg in the example above you have to use exchange.getIn().getBody to
access the body. Wonder if we could work on the body directly, or body/header,
or message or something. Just a thought.
> create a java8 only demo showing how to use lambda expressions for Predicate
> / Expression inside the Java DSL (using Message as a typesafe parameter)
> -----------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-7831
> URL: https://issues.apache.org/jira/browse/CAMEL-7831
> Project: Camel
> Issue Type: New Feature
> Components: examples
> Reporter: james strachan
> Fix For: 2.16.0
>
>
> e.g. so folks can type things like
> {code}
> from("seda:cheese").
> filter(m -> m.getHeader("foo", int.class) > 5).
> map(m -> createPurchaseOrder(m.getBody(Invoice.class)).
> to("seda:bar");
> {code}
> Note if the current Predicate/Expression classes don't work as lambdas we
> could add a new interface with a single method to the DSL to ensure Java 8
> does the right thing with lambdas
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