[infinispan-commits] Infinispan SVN: r1421 - trunk/core/src/main/java/org/infinispan/distribution.

[infinispan-commits at lists.jboss.org]

Author: manik.surtani at jboss.com
Date: 2010-01-28 11:50:25 -0500 (Thu, 28 Jan 2010)
New Revision: 1421

Modified:
   trunk/core/src/main/java/org/infinispan/distribution/DefaultConsistentHash.java
Log:
Comments

Modified: trunk/core/src/main/java/org/infinispan/distribution/DefaultConsistentHash.java
===================================================================
--- trunk/core/src/main/java/org/infinispan/distribution/DefaultConsistentHash.java	2010-01-28 16:29:47 UTC (rev 1420)
+++ trunk/core/src/main/java/org/infinispan/distribution/DefaultConsistentHash.java	2010-01-28 16:50:25 UTC (rev 1421)
@@ -24,8 +24,8 @@
    final static int HASH_SPACE = 10240; // no more than 10k nodes?
 
    private int hash(Object o) {
-      // Spread bits to regularize both segment and index locations,
-      // using variant of single-word Wang/Jenkins hash.
+      // Borrowed from Sun's JDK, a bit spreader to help normalize distribution.
+      // Uses a variant of single-word Wang/Jenkins hash.
       int h = o.hashCode();
       h += (h << 15) ^ 0xffffcd7d;
       h ^= (h >>> 10);