[jira] Commented: (CAY-1241) Add method to ExpressionFactory to match against the primary key of an object or list of objects

["Andrus Adamchik (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CAY-1241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12719532#action_12719532 ] 

Andrus Adamchik commented on CAY-1241:
--------------------------------------

The idea is great. A few suggestions on the API to make it look similar to the existing methods, etc.:

* s/CayenneDataObject/Persistent/
* s/matchObject/matchExp/
* s/matchObjects/matchAllExp|matchAnyExp/

Note to myself or whoever is going to apply this - please write  unit tests.

> Add method to ExpressionFactory to match against the primary key of an object or list of objects
> ------------------------------------------------------------------------------------------------
>
>                 Key: CAY-1241
>                 URL: https://issues.apache.org/jira/browse/CAY-1241
>             Project: Cayenne
>          Issue Type: Improvement
>          Components: Cayenne Core Library
>    Affects Versions: 3.0M6
>            Reporter: Øyvind Harboe
>         Attachments: patch.txt
>
>
> It would be helpful to have a method in ExpressionFactory that build an expression using matchDbExp() to match an object's primary keys.
> This can be helpful in excluding a single or list of known objects from the result of a query.

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