Refactoring; Readme;

src/main/java/de/extio/lmdatasetprep/preparer/Rewrite.java

@@ -13,6 +13,7 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
+import de.extio.lmdatasetprep.XorShift128Random;
 import de.extio.lmdatasetprep.client.Client;
 import de.extio.lmdatasetprep.client.profile.ModelCategory;
 

src/main/java/de/extio/lmdatasetprep/preparer/XorShift128Random.java

@@ -1,62 +0,0 @@
-package de.extio.lmdatasetprep.preparer;
-
-import java.util.Random;
-import java.util.UUID;
-
-@SuppressWarnings("serial")
-public final class XorShift128Random extends Random {
-	
-	private long state0;
-	
-	private long state1;
-	
-	public XorShift128Random() {
-		super();
-	}
-	
-	public XorShift128Random(final long seed) {
-		this.setSeed(seed);
-	}
-	
-	public XorShift128Random(final String state) {
-		final UUID uuid = UUID.fromString(state);
-		this.state0 = uuid.getMostSignificantBits();
-		this.state1 = uuid.getLeastSignificantBits();
-	}
-	
-	@Override
-	public synchronized void setSeed(final long seed) {
-		this.state0 = avalanche(seed == 0 ? -1 : seed);
-		this.state1 = avalanche(this.state0);
-		this.state0 = avalanche(this.state1);
-	}
-	
-	@Override
-	protected int next(final int bits) {
-		return (int) (this.nextLong() & (1L << bits) - 1);
-	}
-	
-	@Override
-	public long nextLong() {
-		long s1 = this.state0;
-		final long s0 = this.state1;
-		this.state0 = s0;
-		s1 ^= s1 << 23;
-		return (this.state1 = s1 ^ s0 ^ (s1 >>> 17) ^ (s0 >>> 26)) + s0;
-	}
-	
-	@Override
-	public String toString() {
-		return new UUID(this.state0, this.state1).toString();
-	}
-	
-	private static long avalanche(long k) {
-		k ^= k >>> 33;
-		k *= 0xff51afd7ed558ccdL;
-		k ^= k >>> 33;
-		k *= 0xc4ceb9fe1a85ec53L;
-		k ^= k >>> 33;
-		
-		return k;
-	}
-}