Sha256: 8087fc61a7ea90c9a69180cca6c36bc8dc62f2937b13f17cb12cdfd2207f3f1b
Contents?: true
Size: 1.12 KB
Versions: 155
Compression:
Stored size: 1.12 KB
Contents
package org.embulk;
import java.util.Map;
import java.util.Random;
public class RandomManager
{
protected long seed;
protected Random random;
public RandomManager()
{
this(getDefaultSeed());
}
public RandomManager(long seed)
{
this.seed = seed;
this.random = new Random(seed);
System.out.println(" Random seed: 0x"+Long.toHexString(seed)+"L");
}
public long getRandomSeed()
{
return seed;
}
public void setRandomSeed(long seed)
{
random.setSeed(seed);
this.seed = seed;
System.out.println(" Set random seed: 0x"+Long.toHexString(this.seed)+"L");
}
public Random getRandom()
{
return random;
}
private static long getDefaultSeed() {
Map<String, String> env = System.getenv();
String s = env.get("RANDOM_SEED");
try {
if(s != null) {
return Long.parseLong(s);
}
} catch (NumberFormatException e) {
System.out.println("RANDOM_SEED variable is wrong: "+e);
}
return new Random().nextLong();
}
}
Version data entries
155 entries across 155 versions & 1 rubygems