Use this() to call back to a single constructor

Author: AlexandreCarlton

src/main/java/org/dataloader/stats/context/IncrementBatchLoadCountByStatisticsContext.java

@@ -14,8 +14,7 @@ public IncrementBatchLoadCountByStatisticsContext(List<K> keys, List<Object> cal
     }
 
     public IncrementBatchLoadCountByStatisticsContext(K key, Object callContext) {
-        this.keys = Collections.singletonList(key);
-        this.callContexts = Collections.singletonList(callContext);
+        this(Collections.singletonList(key), Collections.singletonList(callContext));
     }
 
     public List<K> getKeys() {

src/main/java/org/dataloader/stats/context/IncrementCacheHitCountStatisticsContext.java

@@ -11,8 +11,7 @@ public IncrementCacheHitCountStatisticsContext(K key, Object callContext) {
     }
 
     public IncrementCacheHitCountStatisticsContext(K key) {
-        this.key = key;
-        this.callContext = null;
+        this(key, null);
     }
 
     public K getKey() {