cached computed Graphicle.final #174

jacanchaplais · Mar 1, 2024 · 1871a6a · 1871a6a
1 parent 6402157
commit 1871a6a
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/graphicle/data.py b/graphicle/data.py
@@ -2748,11 +2748,16 @@ def hard_mask(self) -> MaskGroup:
         """
         return self.particles.status.hard_mask
 
-    @property
+    @fn.cached_property
     def final(self) -> MaskArray:
         """Boolean array indicating final state in particle set."""
         data = self.particles.final
         if (not data) and self.adj:
+            warnings.warn(
+                "Explicit final mask missing. Computing from adjacency. "
+                "This result will be cached for the Graphicle object, but not "
+                "the underlying ParticleSet."
+            )
             return self.adj.leaves
         return data