Loglet::enqueue_batch should return OperationError

crates/bifrost/src/loglet/mod.rs

@@ -110,7 +110,7 @@ pub trait Loglet: Send + Sync + std::fmt::Debug {
     /// retry failing appends indefinitely until the loglet is sealed. In that case, such commits
     /// might still appear to future readers but without returning the commit acknowledgement to
     /// the original writer.
-    async fn enqueue_batch(&self, payloads: Arc<[Record]>) -> Result<LogletCommit, ShutdownError>;
+    async fn enqueue_batch(&self, payloads: Arc<[Record]>) -> Result<LogletCommit, OperationError>;
 
     /// The tail is *the first unwritten position* in the loglet.
     ///

crates/bifrost/src/loglet_wrapper.rs

@@ -16,7 +16,6 @@ use std::sync::Arc;
 use futures::{Stream, StreamExt};
 use tracing::instrument;
 
-use restate_core::ShutdownError;
 use restate_types::logs::metadata::SegmentIndex;
 use restate_types::logs::{KeyFilter, LogletOffset, Lsn, SequenceNumber};
 use restate_types::logs::{Record, TailState};
@@ -140,10 +139,7 @@ impl LogletWrapper {
     #[allow(unused)]
     #[cfg(any(test, feature = "test-util"))]
     pub async fn append(&self, payload: Record) -> Result<Lsn, AppendError> {
-        let commit = self
-            .enqueue_batch(Arc::new([payload]))
-            .await
-            .map_err(AppendError::Shutdown)?;
+        let commit = self.enqueue_batch(Arc::new([payload])).await?;
         commit.await
     }
 
@@ -166,13 +162,10 @@ impl LogletWrapper {
         )
     )]
     pub async fn append_batch(&self, payloads: Arc<[Record]>) -> Result<Lsn, AppendError> {
-        self.enqueue_batch(payloads)
-            .await
-            .map_err(AppendError::Shutdown)?
-            .await
+        self.enqueue_batch(payloads).await?.await
     }
 
-    pub async fn enqueue_batch(&self, payloads: Arc<[Record]>) -> Result<Commit, ShutdownError> {
+    pub async fn enqueue_batch(&self, payloads: Arc<[Record]>) -> Result<Commit, OperationError> {
         if self.tail_lsn.is_some() {
             return Ok(Commit::sealed());
         }

crates/bifrost/src/providers/local_loglet/mod.rs

@@ -136,7 +136,7 @@ impl Loglet for LocalLoglet {
         Box::pin(self.tail_watch.to_stream())
     }
 
-    async fn enqueue_batch(&self, payloads: Arc<[Record]>) -> Result<LogletCommit, ShutdownError> {
+    async fn enqueue_batch(&self, payloads: Arc<[Record]>) -> Result<LogletCommit, OperationError> {
         // NOTE: This implementation doesn't perform pipelined writes yet. This will block the caller
         // while the underlying write is in progress and only return the Commit future as resolved.
         // This is temporary until pipelined writes are fully supported.

crates/bifrost/src/providers/memory_loglet.rs

@@ -325,7 +325,7 @@ impl Loglet for MemoryLoglet {
         Box::pin(self.tail_watch.to_stream())
     }
 
-    async fn enqueue_batch(&self, payloads: Arc<[Record]>) -> Result<LogletCommit, ShutdownError> {
+    async fn enqueue_batch(&self, payloads: Arc<[Record]>) -> Result<LogletCommit, OperationError> {
         let mut log = self.log.lock().unwrap();
         if self.sealed.load(Ordering::Relaxed) {
             return Ok(LogletCommit::sealed());

crates/bifrost/src/providers/replicated_loglet/loglet.rs

@@ -139,7 +139,7 @@ impl<T: TransportConnect> Loglet for ReplicatedLoglet<T> {
         Box::pin(self.known_global_tail.to_stream())
     }
 
-    async fn enqueue_batch(&self, payloads: Arc<[Record]>) -> Result<LogletCommit, ShutdownError> {
+    async fn enqueue_batch(&self, payloads: Arc<[Record]>) -> Result<LogletCommit, OperationError> {
         match self.sequencer {
             SequencerAccess::Local { ref handle } => handle.enqueue_batch(payloads).await,
             SequencerAccess::Remote { .. } => {

crates/bifrost/src/providers/replicated_loglet/sequencer/mod.rs

@@ -32,7 +32,7 @@ use super::{
     record_cache::RecordCache,
     replication::spread_selector::{SelectorStrategy, SpreadSelector},
 };
-use crate::loglet::{util::TailOffsetWatch, LogletCommit};
+use crate::loglet::{util::TailOffsetWatch, LogletCommit, OperationError};
 use appender::SequencerAppender;
 
 #[derive(thiserror::Error, Debug)]
@@ -160,7 +160,7 @@ impl<T: TransportConnect> Sequencer<T> {
     pub async fn enqueue_batch(
         &self,
         payloads: Arc<[Record]>,
-    ) -> Result<LogletCommit, ShutdownError> {
+    ) -> Result<LogletCommit, OperationError> {
         if self
             .sequencer_shared_state
             .global_committed_tail()