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https://issues.apache.org/jira/browse/CAMEL-7550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15467647#comment-15467647
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Darius Cooper edited comment on CAMEL-7550 at 9/6/16 3:13 PM:
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Since queries are supported only by JPA consumer, I imagine the typical use
case is polling for records that fit some criteria. So, providing a key as the
body of the message doesn't seem to fit this picture.
I do think it would be nice to have queries (including em.find() ) supported by
JPA producer, as I mentioned here
[CAMEL-10265|https://issues.apache.org/jira/browse/CAMEL-10265]
was (Author: dariusx):
Since queries are supported only by JPA consumer, I imagine the typical use
case is polling for records that fit some criteria. So, providing a key as the
body of the message doesn't fit this picture. It would be nice to have queries
(including em.find() ) supported by JPA producer, as I mentioned here
[CAMEL-10265|https://issues.apache.org/jira/browse/CAMEL-10265]
> Adding ability to look up objects using EntityManager.find in JPA component.
> ----------------------------------------------------------------------------
>
> Key: CAMEL-7550
> URL: https://issues.apache.org/jira/browse/CAMEL-7550
> Project: Camel
> Issue Type: Improvement
> Components: camel-jpa
> Reporter: Knut-Håvard Aksnes
> Priority: Minor
> Fix For: Future
>
>
> Currently Camel-JPA offers 3 different ways of looking up objects
> # Using Query
> # Using NativeQuery
> # Using NamedQuery
> I would like a fourth: Using EntityManager.find
> EntityManager.find is simple to use and in many situations far more efficient
> out of the box than the other options, at least when using Hibernate. This is
> due to the fact that it uses the caches by default.
> The find method requires two arguments, one of them the key is natural to
> provide as incoming body, the second, the class of the object wanted is
> natural to have as a route parameter and/or header.
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