Changeset 17799 in josm

Timestamp:

2021-04-19T21:45:09+02:00 (3 years ago)

Author:

simon04

Message:

see #20745 - Avoid some heap allocations in MapCSS KeyRegexpCondition.applies

14.32% -> 9.42% in MapCSSTagCheckerPerformanceTest#testCity amount to KeyRegexpCondition.applies

File:

• trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ConditionFactory.java (modified) (1 diff)

trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ConditionFactory.java

@@ -645 +645 @@
         @Override
         public boolean applies(Tagged osm) {
-            return osm.keys().anyMatch(pattern.asPredicate()) ^ negateResult;
+            boolean matches = osm.hasKeys() && osm.keys().anyMatch(pattern.asPredicate());
+            return matches ^ negateResult;
         }