--- a/jdk/test/java/math/RandomSeed.java Thu Apr 30 13:02:05 2015 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,81 +0,0 @@
-/*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-import java.util.Random;
-import java.util.SplittableRandom;
-
-public class RandomSeed {
- private long seed = 0L;
- private Random rnd = null;
- private SplittableRandom srnd = null;
-
- public RandomSeed(boolean isSplittableRandom) {
- init(isSplittableRandom);
- }
-
- private void init(boolean isSplittableRandom) {
- // obtain seed from environment if supplied
- boolean isSeedProvided = false;
- try {
- // note that Long.valueOf(null) also throws a NumberFormatException
- // so if the property is undefined this will still work correctly
- seed = Long.valueOf(System.getProperty("seed"));
- isSeedProvided = true;
- } catch (NumberFormatException e) {
- // do nothing: isSeedProvided is already false
- }
-
- // if no seed from environment, create a fresh one
- Random tmpRnd = null;
- if (!isSeedProvided) {
- tmpRnd = new Random();
- seed = tmpRnd.nextLong();
- }
-
- // create the PRNG
- if (isSplittableRandom) {
- srnd = new SplittableRandom(seed);
- } else {
- rnd = tmpRnd != null ? tmpRnd : new Random();
- rnd.setSeed(seed);
- }
- }
-
- public Random getRandom() {
- if (rnd == null) {
- throw new IllegalStateException("Variable of type Random not initialized");
- }
- return rnd;
- }
-
- public SplittableRandom getSplittableRandom() {
- if (srnd == null) {
- throw new IllegalStateException("Variable of type SplittableRandom not initialized");
- }
- return srnd;
- }
-
- public long getSeed() {
- return seed;
- }
-}