Add NoOp configuration. Split classes into packages.

src/main/java/io/kamax/mxisd/hash/rotation/HashRotationStrategy.java

@@ -0,0 +1,16 @@
+package io.kamax.mxisd.hash.rotation;
+
+import io.kamax.mxisd.hash.HashEngine;
+
+public interface HashRotationStrategy {
+
+    void register(HashEngine hashEngine);
+
+    HashEngine getHashEngine();
+
+    void newRequest();
+
+    default void trigger() {
+        getHashEngine().updateHashes();
+    }
+}

src/main/java/io/kamax/mxisd/hash/rotation/NoOpRotationStrategy.java

@@ -0,0 +1,23 @@
+package io.kamax.mxisd.hash.rotation;
+
+import io.kamax.mxisd.hash.HashEngine;
+
+public class NoOpRotationStrategy implements HashRotationStrategy {
+
+    private HashEngine hashEngine;
+
+    @Override
+    public void register(HashEngine hashEngine) {
+        this.hashEngine = hashEngine;
+    }
+
+    @Override
+    public HashEngine getHashEngine() {
+        return hashEngine;
+    }
+
+    @Override
+    public void newRequest() {
+        // nothing to do
+    }
+}

src/main/java/io/kamax/mxisd/hash/rotation/RotationPerRequests.java

@@ -0,0 +1,30 @@
+package io.kamax.mxisd.hash.rotation;
+
+import io.kamax.mxisd.hash.HashEngine;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+public class RotationPerRequests implements HashRotationStrategy {
+
+    private HashEngine hashEngine;
+    private final AtomicInteger counter = new AtomicInteger(0);
+
+    @Override
+    public void register(HashEngine hashEngine) {
+        this.hashEngine = hashEngine;
+    }
+
+    @Override
+    public HashEngine getHashEngine() {
+        return hashEngine;
+    }
+
+    @Override
+    public synchronized void newRequest() {
+        int newValue = counter.incrementAndGet();
+        if (newValue >= 10) {
+            counter.set(0);
+            trigger();
+        }
+    }
+}