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From "Jean-Noel Rouvignac (JIRA)" <j...@apache.org>
Subject [jira] Updated: (COLLECTIONS-362) CollectionUtils.filter() should return a boolean indicating whether the Collection was modified as a result of the call.
Date Mon, 30 Aug 2010 19:56:53 GMT

     [ https://issues.apache.org/jira/browse/COLLECTIONS-362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Noel Rouvignac updated COLLECTIONS-362:
--------------------------------------------

    Attachment: COLLECTIONS-362.patch

Here are the updated class and tests.

I think this is an API change, so it won't happen until commons collections 4?

> CollectionUtils.filter() should return a boolean indicating whether the Collection was
modified as a result of the call.
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: COLLECTIONS-362
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-362
>             Project: Commons Collections
>          Issue Type: Wish
>          Components: Collection
>    Affects Versions: 3.2
>            Reporter: Jean-Noel Rouvignac
>            Priority: Minor
>         Attachments: COLLECTIONS-362.patch
>
>
> Here is what I mean:
> - test 1:
>  List l = new ArrayList();
>  l.add("test");
>  assertTrue( CollectionUtils.filter(l, FalsePredicate.getInstance()) );
>  assertTrue(l.isEmpty());
> - test 2:
>  List l = new ArrayList();
>  l.add("test");
>  assertFalse( CollectionUtils.filter(l, TruePredicate.getInstance()) );
>  assertEquals(1, l.size());

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