#27 Removed the dependency for java.util.concurrent.ThreadLocalRandom…

… in the version of the lib for Java 6 or 7

lib/impl/src/main/javaTemplates/net/openhft/koloboke/collect/impl/ThreadLocalRandom.java

@@ -0,0 +1,40 @@
+/* if JDK6 jdk */
+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * Licensed 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 net.openhft.koloboke.collect.impl;
+
+import java.util.Random;
+
+
+/**
+ * Placeholder of {@link java.util.concurrent.ThreadLocalRandom} for Java 6.
+ */
+public final class ThreadLocalRandom {
+
+    private static final ThreadLocal<Random> threadLocal = new ThreadLocal<Random>() {
+        @Override
+        protected Random initialValue() {
+            return new Random();
+        }
+    };
+
+    public static Random current() {
+        return threadLocal.get();
+    }
+
+    private ThreadLocalRandom() {}
+}

lib/impl/src/main/javaTemplates/net/openhft/koloboke/collect/impl/hash/ByteDHashFactory.java

@@ -23,7 +23,8 @@
 import net.openhft.koloboke.collect.hash.*;
 
 import java.util.Random;
-import java.util.concurrent.ThreadLocalRandom;
+import /* if JDK8 jdk //java.util.concurrent
+     /* elif JDK6 jdk */net.openhft.koloboke.collect.impl/* endif */.ThreadLocalRandom;
 
 
 abstract class ByteDHashFactory

lib/impl/src/main/javaTemplates/net/openhft/koloboke/collect/impl/hash/ByteHashFactorySO.java

@@ -22,7 +22,8 @@
 import net.openhft.koloboke.collect.impl.Primitives;
 
 import java.util.Random;
-import java.util.concurrent.ThreadLocalRandom;
+import /* if JDK8 jdk //java.util.concurrent
+     /* elif JDK6 jdk */net.openhft.koloboke.collect.impl/* endif */.ThreadLocalRandom;
 
 
 abstract class ByteHashFactorySO extends AbstractHashFactory {

lib/impl/src/main/javaTemplates/net/openhft/koloboke/collect/impl/hash/MutableSeparateKVByteDHashSO.java

@@ -27,7 +27,8 @@
 import net.openhft.koloboke.collect.impl.*;
 
 import java.util.*;
-import java.util.concurrent.ThreadLocalRandom;
+import /* if JDK8 jdk //java.util.concurrent
+     /* elif JDK6 jdk */net.openhft.koloboke.collect.impl/* endif */.ThreadLocalRandom;
 
 
 public abstract class MutableSeparateKVByteDHashSO extends MutableDHash