tfcache

diff --git a/src/main/java/br/ufrgs/inf/prosoft/tfcache/metadata/GroupOfOccurrences.java b/src/main/java/br/ufrgs/inf/prosoft/tfcache/metadata/GroupOfOccurrences.java
index 9a0202c..cebd53a 100755
--- a/src/main/java/br/ufrgs/inf/prosoft/tfcache/metadata/GroupOfOccurrences.java
+++ b/src/main/java/br/ufrgs/inf/prosoft/tfcache/metadata/GroupOfOccurrences.java
@@ -30,9 +30,7 @@ public class GroupOfOccurrences {
   }
 
   public Metrics getBestMetrics() {
-    if (this.pareto == null) {
-      throw new RuntimeException("simulation must be executed");
-    }
+    if (this.pareto == null) throw new RuntimeException("simulation must be executed");
     return this.pareto.getBestMetrics();
   }
 

diff --git a/src/main/java/br/ufrgs/inf/prosoft/tfcache/StorageManager.java b/src/main/java/br/ufrgs/inf/prosoft/tfcache/StorageManager.java
index 3d3ab5d..f475e9c 100755
--- a/src/main/java/br/ufrgs/inf/prosoft/tfcache/StorageManager.java
+++ b/src/main/java/br/ufrgs/inf/prosoft/tfcache/StorageManager.java
@@ -21,12 +21,8 @@ public class StorageManager {
             LOGGER.severe("Wrong list of occurrences provided");
             System.exit(1);
         }
-        if (Configuration.getStore() == null) {
-            return;
-        }
-        if (STORAGE == null) {
-            load();
-        }
+        if (Configuration.getStore() == null) return;
+        if (STORAGE == null) load();
         String batchUUID = Metrics.getUUID(occurrences.stream());
         STORAGE.getAsJsonObject(uuid).getAsJsonObject("batches").add(batchUUID, new JsonArray());
         JsonArray jsonPareto = STORAGE.getAsJsonObject(uuid).getAsJsonObject("batches").getAsJsonArray(batchUUID);
@@ -39,35 +35,25 @@ public class StorageManager {
             LOGGER.severe("Wrong list of occurrences provided");
             System.exit(1);
         }
-        if (Configuration.getStore() == null) {
-            return null;
-        }
-        if (STORAGE == null) {
-            load();
-        }
-        if (STORAGE.get(uuid) == null) {
-            return null;
-        }
+        if (Configuration.getStore() == null) return null;
+        if (STORAGE == null) load();
+        if (STORAGE.get(uuid) == null) return null;
         String batchUUID = Metrics.getUUID(occurrences.stream());
         JsonArray jsonPareto = STORAGE.getAsJsonObject(uuid).getAsJsonObject("batches").getAsJsonArray(batchUUID);
-        if (jsonPareto == null) {
-            return null;
-        }
+        if (jsonPareto == null) return null;
         Gson gson = new Gson();
         List<Metrics> paretoMetrics = new ArrayList<>();
         jsonPareto.forEach(jsonElement -> {
-                    Metrics metrics = gson.fromJson(jsonElement, Metrics.class);
-                    paretoMetrics.add(metrics);
-                }
+              Metrics metrics = gson.fromJson(jsonElement, Metrics.class);
+              paretoMetrics.add(metrics);
+          }
         );
         return new Pareto(paretoMetrics);
     }
 
     public static Pareto computeIfAbsent(List<Occurrence> occurrences, Supplier<Pareto> supplier) {
         Pareto pareto = get(UUID, occurrences);
-        if (pareto != null) {
-            return pareto;
-        }
+        if (pareto != null) return pareto;
 
         pareto = supplier.get();
         put(UUID, occurrences, pareto);
@@ -95,9 +81,7 @@ public class StorageManager {
     }
 
     public static void load() {
-        if (Configuration.getStore() == null) {
-            return;
-        }
+        if (Configuration.getStore() == null) return;
         STORAGE = loadStorage();
         UUID = Configuration.getUUID();
         if (STORAGE.get(UUID) == null) {
@@ -109,9 +93,7 @@ public class StorageManager {
     }
 
     public static void update() {
-        if (Configuration.getStore() == null) {
-            return;
-        }
+        if (Configuration.getStore() == null) return;
         JsonObject storage = loadStorage();
         if (storage.get(UUID) == null) {
             storage.add(UUID, STORAGE.get(UUID));