package tachyon.client;

import java.util.Random;

/**
 * Utilities class for Tachyon Client. All methods and variables are static. This class is thread
 * safe.
 */
public final class Utils {
  private static Random sRandom = new Random();

  public static synchronized long getRandomNonNegativeLong() {
    return Math.abs(sRandom.nextLong());
  }

  // Prevent instantiation
  private Utils() {}
}

@@ -1,8 +1,801 @@
+/*%0A * Licensed to the University of California, Berkeley under one or more contributor license%0A * agreements. See the NOTICE file distributed with this work for additional information regarding%0A * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance with the License. You may obtain a%0A * 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 distributed under the License%0A * is distributed on an %22AS IS%22 BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express%0A * or implied. See the License for the specific language governing permissions and limitations under%0A * the License.%0A */%0A%0A
 package 

Add missing license.