Changeset 15152 in josm for trunk/src/org/openstreetmap/josm/actions/relation/DownloadSelectedIncompleteMembersAction.java

Timestamp:

2019-06-02T15:25:38+02:00 (5 years ago)

Author:

Don-vip

Message:

more uses of Java 8 stream API

File:

• trunk/src/org/openstreetmap/josm/actions/relation/DownloadSelectedIncompleteMembersAction.java (modified) (2 diffs)

trunk/src/org/openstreetmap/josm/actions/relation/DownloadSelectedIncompleteMembersAction.java

@@ -6 +6 @@
 import java.awt.event.ActionEvent;
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 import org.openstreetmap.josm.data.osm.IPrimitive;
@@ -42 +42 @@
      */
     public static Set<IPrimitive> buildSetOfIncompleteMembers(Collection<IRelation<?>> rels) {
-        Set<IPrimitive> ret = new HashSet<>();
-        for (IRelation<?> r : rels) {
-            ret.addAll(SubclassFilteredCollection.filter(r.getIncompleteMembers(), osm -> !osm.isNew()));
-        }
-        return ret;
+        return rels.stream()
+                .flatMap(r -> SubclassFilteredCollection.filter(r.getIncompleteMembers(), osm -> !osm.isNew()).stream())
+                .collect(Collectors.toSet());
     }