Add MessageType::eq_uuid()

This function can be used to compare two MessageType objects only by
their UUID. The function returns true if and only if we have two
MessageType objects that actually have a UUID and if that two UUIDs are
equal to eachother.

Signed-off-by: Matthias Beyer <matthias.beyer@ifm.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/crates/core/tedge_api/src/message.rs b/crates/core/tedge_api/src/message.rs
index bbcda857..f7beb94c 100644
--- a/crates/core/tedge_api/src/message.rs
+++ b/crates/core/tedge_api/src/message.rs
@@ -141,6 +141,15 @@ impl MessageType {
     pub fn name(&self) -> &'static str {
         self.name
     }
+
+    /// Check whether the UUID of this MessageType is the same as of the other MessageType
+    #[must_use]
+    pub fn eq_uuid(&self, other: &Self) -> bool {
+        match (&self.kind, &other.kind) {
+            (MessageKind::Typed(uuid_a), MessageKind::Typed(uuid_b)) => uuid_a == uuid_b,
+            _ => false,
+        }
+    }
 }
 
 /// A message to tell the core to stop thin-edge