jdk/test/java/math/RandomSeed.java
changeset 30060 4139787319e7
parent 30059 3efcc9d8fe88
parent 30058 73cc6c3996eb
child 30062 1d5767efe1fd
--- 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;
-    }
-}