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authorMarcos Magueta <maguetamarcos@gmail.com>2026-09-23 03:32:15 -0300
committerMarcos Magueta <maguetamarcos@gmail.com>2026-09-23 03:32:15 -0300
commit882511dc8c0abded18ba6abdca64938db2652771 (patch)
treed1ebc2896cf9bb939a89c10d626d19cd5d4f591e /lib/kernel/Lifecycle.ml
parentb4422c99e10a8daee452b22aea84cb1f68ae54bc (diff)
downloadRNT-882511dc8c0abded18ba6abdca64938db2652771.tar.gz
RNT-882511dc8c0abded18ba6abdca64938db2652771.zip
lift retaining, membership and mode checks out of ephemeral relation
Diffstat (limited to '')
-rw-r--r--lib/kernel/Lifecycle.ml12
-rw-r--r--lib/kernel/Lifecycle.mli10
2 files changed, 22 insertions, 0 deletions
diff --git a/lib/kernel/Lifecycle.ml b/lib/kernel/Lifecycle.ml
index 20282dd..772cb6e 100644
--- a/lib/kernel/Lifecycle.ml
+++ b/lib/kernel/Lifecycle.ml
@@ -26,3 +26,15 @@ class virtual counted = object (self)
if Atomic.fetch_and_add references (-1) = 1 then
self#destroy
end
+
+class retaining inner (owner : lifecycle) = object
+ inherit counted
+ initializer ignore owner#reference
+
+ method destroy =
+ Protocols.Handle.release inner;
+ owner#release
+
+ method hash = Protocols.Handle.hash inner
+ method protocols = Protocols.Handle.protocols inner
+end
diff --git a/lib/kernel/Lifecycle.mli b/lib/kernel/Lifecycle.mli
index f110768..fa3abee 100644
--- a/lib/kernel/Lifecycle.mli
+++ b/lib/kernel/Lifecycle.mli
@@ -10,3 +10,13 @@ end
class null : lifecycle
class virtual counted : controlled_lifecycle
+
+(** stands for [inner], carrying what it carries, while holding a
+ reference to [owner], so what [inner] reads outlives a release of
+ the object that produced it. *)
+class retaining : Protocols.Handle.t -> lifecycle -> object
+ inherit lifecycle
+ method destroy : unit
+ method hash : Concepts.Hash.hash
+ method protocols : Protocols.Handle.protocol list
+end