package com.nesscomputing.uuid;

import java.util.UUID;

import com.google.caliper.Runner;
import com.google.caliper.SimpleBenchmark;

public class PerformanceComparison extends SimpleBenchmark
{

    private static final int N_UUIDS = 1000;
    private static final UUID[] testUuids;
    private static final String[] testStrings;

    static {
        testUuids = new UUID[N_UUIDS];
        testStrings = new String[N_UUIDS];

        for (int i = 0; i < N_UUIDS; i++)
        {
            testUuids[i] = UUID.randomUUID();
            testStrings[i] = testUuids[i].toString();
        }
    }

    public static void main(String[] args)
    {
        Runner.main(PerformanceComparison.class, args);
    }

    public long timeJdkUuidFromString(int reps)
    {
        long accum = 0;
        for (int i = 0; i < reps; i++)
        {
            accum += UUID.fromString(testStrings[i % N_UUIDS]).getMostSignificantBits();
        }
        return accum;
    }

    public long timeNessUuidFromString(int reps)
    {
        long accum = 0;
        for (int i = 0; i < reps; i++)
        {
            accum += NessUUID.fromString(testStrings[i % N_UUIDS]).getMostSignificantBits();
        }
        return accum;
    }

    public long timeJdkUuidToString(int reps)
    {
        long accum = 0;
        for (int i = 0; i < reps; i++)
        {
            accum += testUuids[i % N_UUIDS].toString().charAt(0);
        }
        return accum;
    }

    public long timeNessUuidToString(int reps)
    {

        long accum = 0;
        for (int i = 0; i < reps; i++)
        {
            accum += NessUUID.toString(testUuids[i % N_UUIDS]).charAt(0);
        }
        return accum;
    }
}

@@ -1,8 +1,613 @@
+/**%0A * Copyright (C) 2012 Ness Computing, Inc.%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A * http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A
 package 

Add license.