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From "Henri Yandell (JIRA)" <>
Subject [jira] Closed: (LANG-466) Please expose setEquals(boolean) as public so EqualsBuilder instances can be reused
Date Mon, 14 Dec 2009 06:42:18 GMT


Henri Yandell closed LANG-466.

    Resolution: Fixed

reset() method added. Sets the value back to true. 

svn ci -m "Adding a reset() method to EqualsBuilder. LANG-466" src/java/org/apache/commons/lang3/builder/
Sending        src/java/org/apache/commons/lang3/builder/
Sending        src/test/org/apache/commons/lang3/builder/
Transmitting file data ..
Committed revision 890196.

> Please expose setEquals(boolean) as public so EqualsBuilder instances can be reused
> -----------------------------------------------------------------------------------
>                 Key: LANG-466
>                 URL:
>             Project: Commons Lang
>          Issue Type: Improvement
>    Affects Versions: 2.4
>            Reporter: Lauren Bish
>            Priority: Minor
>             Fix For: 3.0
> I use EqualsBuilder a lot in equals methods for POJOs and sometimes in utility methods
to compare properties in DAOs. These methods get called a lot in my apps, and I would prefer
to reuse an instance of EqualsBuilder instead of creating a new instance every time the methods
are called. In one method, where I retrieve data from a database, a comparison method could
be called thousands of times in a second. Yes, I have been careful about being threadsafe
in my reuse of a single EqualsBuilder instance.
> The problem is that (as I understand it), once an instance of EqualsBuilder has set isEquals
to false, it stays false and all comparisons thereafter return false whether equal or not.
I have overriden the setEquals() method to be public and call this before I start the comparison
in my methods and this allows me to reuse EqualsBuilder. 
> I believe setEquals() should be changed to be public in EqualsBuilder as others surely
use it in a similar manner.

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