Is it possible to use Camel loop for Java objects?

Question

I use Spring+Camel and Java application and I can't understand how to use Loop in Camel config. Camel doc suggests:

<route>
  <from uri="direct:b"/>
  <loop>
    <header>loop</header>
    <to uri="mock:result"/>
  </loop>
</route>

How to adjust loop for my case?

<route>
    <from uri="myjms:queue:{{myqueue.name1}}"/>
    ...
    <method bean="myProcessor" method="getSomeMyObjects"> <!-- returns Collection<MyObject> -->
    <loop>
        <header>?????</header> <!-- get single MyObject?.. how???.. -->
        <to uri="myjms:queue:{{myqueue.name2}}"/>
    </loop>
</rout>

Inside bean:

<bean id="myProcessor" class="my.package.MyProcessor">

I've implemented the following methods:

getSomeMyObjects()         - returns Collection<MyObject>;
getSomeMyObject(int index) - returns single MyObject;
getSomeMyObjectsCount()    - returns the number of objects inside Collection<MyObject>;

and can implement any other methods if necessary.

Is it possible to solve this using loop in Camel config?

valerii ryzhuk · Accepted Answer · 2015-04-23 11:16:44Z

5

You do not need to use loop. You need to split each MyObject in different body and send them. Use splitter pattern.

<route>
    <from uri="myjms:queue:{{myqueue.name1}}"/>
    ...
    <method bean="myProcessor" method="getSomeMyObjects"> <!-- returns Collection<MyObject> -->
    <split>
        <simple>${body}</simple>
        <to uri="myjms:queue:{{myqueue.name2}}"/>
    </split>
</rout>

answered Apr 23, 2015 at 11:16

valerii ryzhuk

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2 Comments

Sergey Over a year ago

It seems that this (<simple>${body}</simple>) is available in Camel 2.8.0 and later. I'm forced to work with 2.5.0 :(

Sergey Over a year ago

Sorry - I missed namespace... Works okay for 2.5.0. Thank you!

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