[Java] Return null if Int2IntHashMap.remove(Integer) method is the mi…

…ssingValue. Issue #98.
real-logic · May 11, 2017 · 9cc06a2 · 9cc06a2
1 parent 611341a
commit 9cc06a2
Showing 1 changed file with 2 additions and 7 deletions.
diff --git a/agrona/src/main/java/org/agrona/collections/Int2IntHashMap.java b/agrona/src/main/java/org/agrona/collections/Int2IntHashMap.java
@@ -377,13 +377,8 @@ public Set<Entry<Integer, Integer>> entrySet()
      */
     public Integer remove(final Object key)
     {
-        final int intKey = (int)key;
-        if (intKey == missingValue)
-        {
-            throw new IllegalArgumentException("missing value not allowed: " + missingValue);
-        }
-
-        return remove(intKey);
+        final int value = remove((int)key);
+        return value == missingValue ? null : value;
     }
 
     public int remove(final int key)