Add UnknownFieldSet.isEmpty

Allows callers to check if field set is empty without cloning the map PiperOrigin-RevId: 631237925
protocolbuffers · May 7, 2024 · c56bddd · c56bddd
1 parent 9de810a
commit c56bddd
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/java/core/src/main/java/com/google/protobuf/UnknownFieldSet.java b/java/core/src/main/java/com/google/protobuf/UnknownFieldSet.java
@@ -83,6 83,11 @@ public int hashCode() {
  return fields.hashCode();
  }
 
  /** Whether the field set has no fields. */
  public boolean isEmpty() {
  return fields.isEmpty();
  }
 
  /** Get a map of fields in the set by number. */
  public Map<Integer, Field> asMap() {
  // Avoid an allocation for the common case of an empty map.