[Java] Simplify SubscriptionLink.isLinked() method.

aeron-io · Mar 2, 2017 · e07e786 · e07e786
1 parent b889f02
commit e07e786
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/aeron-driver/src/main/java/io/aeron/driver/SubscriptionLink.java b/aeron-driver/src/main/java/io/aeron/driver/SubscriptionLink.java
@@ -92,7 +92,7 @@ public boolean matches(final int streamId)
 
     public boolean isLinked(final Subscribable subscribable)
     {
-        return null != positionBySubscribableMap.get(subscribable);
+        return positionBySubscribableMap.containsKey(subscribable);
     }
 
     public void link(final Subscribable subscribable, final ReadablePosition position)