risingwave_stream/from_proto/
barrier_recv.rs

1// Copyright 2025 RisingWave Labs
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use risingwave_pb::stream_plan::BarrierRecvNode;
16
17use super::*;
18use crate::executor::BarrierRecvExecutor;
19
20pub struct BarrierRecvExecutorBuilder;
21
22impl ExecutorBuilder for BarrierRecvExecutorBuilder {
23    type Node = BarrierRecvNode;
24
25    async fn new_boxed_executor(
26        params: ExecutorParams,
27        _node: &Self::Node,
28        _store: impl StateStore,
29    ) -> StreamResult<Executor> {
30        assert!(
31            params.input.is_empty(),
32            "barrier receiver should not have input"
33        );
34
35        let barrier_receiver = params
36            .local_barrier_manager
37            .subscribe_barrier(params.actor_context.id);
38
39        let exec = BarrierRecvExecutor::new(params.actor_context, barrier_receiver);
40        Ok((params.info, exec).into())
41    }
42}
risingwave_stream/from_proto/barrier_recv.rs

risingwave_stream/from_proto/
barrier_recv.rs
