Optimise single value map lookups

franz1981 · Dec 11, 2023 · 32248dc · 32248dc
1 parent 9d2adeb
commit 32248dc
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/...untime/src/main/java/org/jboss/resteasy/reactive/server/handlers/ClassRoutingHandler.java b/...untime/src/main/java/org/jboss/resteasy/reactive/server/handlers/ClassRoutingHandler.java
@@ -34,7 +34,12 @@ public class ClassRoutingHandler implements ServerRestHandler {
     final boolean resumeOn404;
 
     public ClassRoutingHandler(Map<String, RequestMapper<RuntimeResource>> mappers, int parameterOffset, boolean resumeOn404) {
-        this.mappers = mappers;
+        if (mappers.size() == 1) {
+            var singleEntry = mappers.entrySet().iterator().next();
+            this.mappers =  Map.of(singleEntry.getKey(), singleEntry.getValue());
+        } else {
+            this.mappers = mappers;
+        }
         this.parameterOffset = parameterOffset;
         this.resumeOn404 = resumeOn404;
     }