On 7 October 2011 21:55, <[email protected]> wrote:
> Author: simonetripodi
> Date: Fri Oct 7 20:55:23 2011
> New Revision: 1180235
>
> URL: http://svn.apache.org/viewvc?rev=1180235&view=rev
> Log:
> '4' is a magic number.
>
> Modified:
>
> commons/proper/functor/trunk/src/main/java/org/apache/commons/functor/core/composite/UnaryCompositeBinaryPredicate.java
>
> Modified:
> commons/proper/functor/trunk/src/main/java/org/apache/commons/functor/core/composite/UnaryCompositeBinaryPredicate.java
> URL:
> http://svn.apache.org/viewvc/commons/proper/functor/trunk/src/main/java/org/apache/commons/functor/core/composite/UnaryCompositeBinaryPredicate.java?rev=1180235&r1=1180234&r2=1180235&view=diff
> ==============================================================================
> ---
> commons/proper/functor/trunk/src/main/java/org/apache/commons/functor/core/composite/UnaryCompositeBinaryPredicate.java
> (original)
> +++
> commons/proper/functor/trunk/src/main/java/org/apache/commons/functor/core/composite/UnaryCompositeBinaryPredicate.java
> Fri Oct 7 20:55:23 2011
> @@ -44,6 +44,9 @@ public class UnaryCompositeBinaryPredica
> */
> private static final long serialVersionUID = 3841123079006929493L;
>
> + /** Base hash integer used to shift hash. */
> + private static final int HASH_SHIFT = 4;
> +
Same comment as for other instance of the magic number fixed recently.
Additionally, is it important that the two maghic numbers agree?
> private static class Helper<G, H, L, R> implements BinaryPredicate<L, R>,
> Serializable {
> /**
> * serialVersionUID declaration.
> @@ -129,11 +132,11 @@ public class UnaryCompositeBinaryPredica
> */
> public int hashCode() {
> int hash = "UnaryCompositeBinaryPredicate".hashCode();
> - hash <<= 4;
> + hash <<= HASH_SHIFT;
> hash ^= helper.f.hashCode();
> - hash <<= 4;
> + hash <<= HASH_SHIFT;
> hash ^= helper.g.hashCode();
> - hash <<= 4;
> + hash <<= HASH_SHIFT;
> hash ^= helper.h.hashCode();
> return hash;
> }
>
>
>
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