cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From slebre...@apache.org
Subject [3/4] git commit: remove gms cruft
Date Tue, 15 Jan 2013 17:27:35 GMT
remove gms cruft


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/233ea266
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/233ea266
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/233ea266

Branch: refs/heads/cassandra-1.2
Commit: 233ea266c841f100345c30666c32bd2be29cd43b
Parents: 4faed77
Author: Brandon Williams <brandonwilliams@apache.org>
Authored: Tue Jan 15 11:20:48 2013 -0600
Committer: Brandon Williams <brandonwilliams@apache.org>
Committed: Tue Jan 15 11:20:48 2013 -0600

----------------------------------------------------------------------
 src/java/org/apache/cassandra/gms/PureRandom.java |   81 ----------------
 1 files changed, 0 insertions(+), 81 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/233ea266/src/java/org/apache/cassandra/gms/PureRandom.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/gms/PureRandom.java b/src/java/org/apache/cassandra/gms/PureRandom.java
deleted file mode 100644
index 1bbc632..0000000
--- a/src/java/org/apache/cassandra/gms/PureRandom.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.cassandra.gms;
-
-import java.util.BitSet;
-import java.util.Random;
-
-
-/**
- * Implementation of a PureRandomNumber generator. Use this class cautiously. Not
- * for general purpose use. Currently this is used by the Gossiper to choose a random
- * endpoint to Gossip to.
- */
-
-class PureRandom extends Random
-{
-    private BitSet bs_ = new BitSet();
-    private int lastUb_;
-
-    PureRandom()
-    {
-        super();
-    }
-
-    public int nextInt(int ub)
-    {
-    	if (ub <= 0)
-    		throw new IllegalArgumentException("ub must be positive");
-
-        if ( lastUb_ !=  ub )
-        {
-            bs_.clear();
-            lastUb_ = ub;
-        }
-        else if(bs_.cardinality() == ub)
-        {
-        	bs_.clear();
-        }
-
-        int value = super.nextInt(ub);
-        while ( bs_.get(value) )
-        {
-            value = super.nextInt(ub);
-        }
-        bs_.set(value);
-        return value;
-    }
-
-    public static void main(String[] args) throws Throwable
-    {
-    	Random pr = new PureRandom();
-        int ubs[] = new int[] { 2, 3, 1, 10, 5, 0};
-
-        for (int ub : ubs)
-        {
-            System.out.println("UB: " + String.valueOf(ub));
-            for (int j = 0; j < 10; j++)
-            {
-                int junk = pr.nextInt(ub);
-                // Do something with junk so JVM doesn't optimize away
-                System.out.println(junk);
-            }
-        }
-    }
-}


Mime
View raw message