v0.4.8-pre.007

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

@@ -0,0 +1,56 @@
+// file: kb-lib/src/materializer/lending/materializer.rs
+// version: 5
+
+//! Reserved lending materializer.
+
+/// Reserved materializer for lending observations.
+#[derive(Clone, Debug, Default)]
+pub struct MtLendingMaterializer;
+
+impl crate::MtMaterializer for crate::MtLendingMaterializer {
+    fn materializer_name(&self) -> &'static str {
+        return crate::MT_LENDING_COMPONENT_NAME;
+    }
+
+    fn materializer_version(&self) -> &'static str {
+        return env!("CARGO_PKG_VERSION");
+    }
+
+    fn accepts_event(&self, _event: &crate::MdDecodedProtocolEvent) -> bool {
+        return false;
+    }
+
+    fn materialize_event(
+        &self,
+        _event: &crate::MdDecodedProtocolEvent,
+    ) -> kb_core::Result<std::vec::Vec<crate::MdMaterializedEvent>> {
+        return std::result::Result::Ok(std::vec::Vec::new());
+    }
+}
+
+impl crate::MtApiEventMaterializer for crate::MtLendingMaterializer {
+    fn identity(&self) -> crate::MtApiMaterializerIdentity {
+        return crate::MtApiMaterializerIdentity {
+            name: crate::MT_LENDING_PROCESSOR_NAME.to_string(),
+            version: env!("CARGO_PKG_VERSION").to_string(),
+        };
+    }
+
+    fn accepted_families(&self) -> &'static [crate::MdEventFamily] {
+        return crate::MT_LENDING_ACCEPTED_FAMILIES;
+    }
+
+    fn transaction_policy(
+        &self,
+        _family: crate::MdEventFamily,
+    ) -> crate::MtApiMaterializationTransactionPolicy {
+        return crate::MtApiMaterializationTransactionPolicy::SuccessfulCommittedOnly;
+    }
+
+    fn materialize(
+        &self,
+        _observation: &crate::DcApiDecodedObservation,
+    ) -> crate::MtApiMaterializerExecutionResult {
+        return crate::MtApiMaterializerExecutionResult::ignored();
+    }
+}