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https://issues.apache.org/jira/browse/CAMEL-4226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13065072#comment-13065072
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Claus Ibsen commented on CAMEL-4226:
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Frankly sometimes its best to post on @dev before opening a ticket.
Anyway end users should use the EIPs supplied. And the recipient list is the
dynamic EIP.
There is a FAQ as well
http://camel.apache.org/how-do-i-use-dynamic-uri-in-to.html
We should also be careful to not overload the DSL with new options etc. as it
just confuses end users as they get a huge list in the IDE when accessing code
completion.
Likewise we should keep the DSL in sync between Java, XML and Scala (later is a
bit more hard). But the Java and XML is in sync due the JAXB models. And you
cannot with JAXB define that an expression should be *optional* so you can keep
doing
<to uri="xxx"/> in XML.
This is not possible and you get a validation exception as it would expect an
expression, so you would have to do
<to>
<constant>xxx</constant>
</to>
Which is ugly/verbose, and breaks every Camel applications that are using XML
DSL.
I dont think its a good idea to add this only to Java DSL, as we have end users
who migrate between Java and XML. Likewise its best they are 1:1.
> add Expressions support on to(), bean() and beanRef() to allow for dynamic
> endpints (similar to recipientList)
> --------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-4226
> URL: https://issues.apache.org/jira/browse/CAMEL-4226
> Project: Camel
> Issue Type: Improvement
> Components: camel-core
> Reporter: Ben O'Day
> Assignee: Ben O'Day
> Priority: Minor
> Fix For: 2.9.0
>
>
> just a thought, but any reason we couldn't overload these APIs to also
> support Expressions? Is there another way to do this?
> to(simple("bean:myBean?method=${headers.operationName}"))
> bean(MyBean.class, simple("${headers.operationName}"))
> beanRef("myBean", simple("${headers.operationName}"))
> The goal being to make it (slighlty) easier/more flexible than using
> recipientList for the same...
> recipientList(simple("bean:myBean?method=${headers.operationName}"))
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