Caching pattern: Style fix for null check

christofferh · christofferh · commit e3355d76d193 · 2016-09-22T20:36:02.000+02:00
diff --git a/caching/src/main/java/com/iluwatar/caching/CacheStore.java b/caching/src/main/java/com/iluwatar/caching/CacheStore.java
@@ -40,7 +40,7 @@ private CacheStore() {
    * Init cache capacity
    */
   public static void initCapacity(int capacity) {
-    if (null == cache) {
+    if (cache == null) {
       cache = new LruCache(capacity);
     } else {
       cache.setCapacity(capacity);
@@ -121,7 +121,7 @@ public static void writeBehind(UserAccount userAccount) {
    * Clears cache
    */
   public static void clearCache() {
-    if (null != cache) {
+    if (cache != null) {
       cache.clear();
     }
   }
diff --git a/caching/src/main/java/com/iluwatar/caching/DbManager.java b/caching/src/main/java/com/iluwatar/caching/DbManager.java
@@ -82,7 +82,7 @@ public static UserAccount readFromDb(String userId) {
       }
       return null;
     }
-    if (null == db) {
+    if (db == null) {
       try {
         connect();
       } catch (ParseException e) {
@@ -106,7 +106,7 @@ public static void writeToDb(UserAccount userAccount) {
       virtualDB.put(userAccount.getUserId(), userAccount);
       return;
     }
-    if (null == db) {
+    if (db == null) {
       try {
         connect();
       } catch (ParseException e) {
@@ -126,7 +126,7 @@ public static void updateDb(UserAccount userAccount) {
       virtualDB.put(userAccount.getUserId(), userAccount);
       return;
     }
-    if (null == db) {
+    if (db == null) {
       try {
         connect();
       } catch (ParseException e) {
@@ -148,7 +148,7 @@ public static void upsertDb(UserAccount userAccount) {
       virtualDB.put(userAccount.getUserId(), userAccount);
       return;
     }
-    if (null == db) {
+    if (db == null) {
       try {
         connect();
       } catch (ParseException e) {
