Add documentation. Add options to enable/disable the hash providers. Add the option for setup barrier for rotation per requests strategy.

src/main/java/io/kamax/mxisd/config/HashingConfig.java

@@ -15,6 +15,7 @@ public class HashingConfig {
     private RotationPolicyEnum rotationPolicy;
     private HashStorageEnum hashStorageType;
     private long delay = 10;
+    private int requests = 10;
     private List<Algorithm> algorithms = new ArrayList<>();
 
     public void build() {
@@ -26,6 +27,9 @@ public class HashingConfig {
             if (RotationPolicyEnum.per_seconds == rotationPolicy) {
                 LOGGER.info("   Rotation delay: {}", delay);
             }
+            if (RotationPolicyEnum.per_requests == rotationPolicy) {
+                LOGGER.info("   Rotation after requests: {}", requests);
+            }
             LOGGER.info("   Algorithms: {}", algorithms);
         } else {
             LOGGER.info("Hash configuration disabled, used only `none` pepper.");
@@ -87,6 +91,14 @@ public class HashingConfig {
         this.delay = delay;
     }
 
+    public int getRequests() {
+        return requests;
+    }
+
+    public void setRequests(int requests) {
+        this.requests = requests;
+    }
+
     public List<Algorithm> getAlgorithms() {
         return algorithms;
     }