0.1.0

kb-lib/src/materializer/api/materializer.rs

@@ -0,0 +1,22 @@
+// file: kb-lib/src/materializer/api/materializer.rs
+// version: 2
+
+//! Materializer API contract used by business materializer crates.
+
+/// Common contract implemented by all business materializer crates.
+pub trait Materializer {
+    /// Returns the stable materializer name.
+    fn materializer_name(&self) -> &'static str;
+
+    /// Returns the materializer version.
+    fn materializer_version(&self) -> &'static str;
+
+    /// Tests whether this materializer accepts a decoded event.
+    fn accepts_event(&self, event: &crate::DecodedProtocolEvent) -> bool;
+
+    /// Materializes a decoded event into zero or more business events.
+    fn materialize_event(
+        &self,
+        event: &crate::DecodedProtocolEvent,
+    ) -> kb_core::Result<std::vec::Vec<crate::MaterializedEvent>>;
+}