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From "Phil Steitz (JIRA)" <>
Subject [jira] Commented: (DBCP-317) Findbugs: Class doesn't override equals in superclass
Date Tue, 05 Jan 2010 02:50:55 GMT


Phil Steitz commented on DBCP-317:

I don't want to make any changes to the collections class (LRUMap), which is OK.

The others are OK - working as designed - as the equals equivalence relation is defined by
equality of underlying jdbc objects.  I am OK with vacuos override to document if that would
make findbugs happier and the code easier to understand, though I am not sure it would make
the code easier to understand.

> Findbugs: Class doesn't override equals in superclass
> -----------------------------------------------------
>                 Key: DBCP-317
>                 URL:
>             Project: Commons Dbcp
>          Issue Type: Bug
>            Reporter: Sebb
>            Priority: Minor
> Findbugs: Class doesn't override equals in superclass - 8 instances
> "This class extends a class that defines an equals method and adds fields, but doesn't
define an equals method itself. Thus, equality on instances of this class will ignore the
identity of the subclass and the added fields. Be sure this is what is intended, and that
you don't need to override the equals method. Even if you don't need to override the equals
method, consider overriding it anyway to document the fact that the equals method for the
subclass just return the result of invoking super.equals(o). "
> Classes (superclass) are:
> cpdsadapter.ConnectionImpl doesn't override DelegatingConnection.equals
> datasources.LRUMap doesn't override SequencedHashMap.equals
> managed.ManagedConnection doesn't override DelegatingConnection.equals
> managed.PoolableManagedConnection  doesn't override DelegatingConnection.equals
> PoolableCallableStatement doesn't override DelegatingCallableStatement.equals
> PoolableConnection doesn't override DelegatingConnection.equals
> PoolablePreparedStatement doesn't override DelegatingPreparedStatement.equals
> PoolingConnection doesn't override DelegatingConnection.equals

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