risingwave_stream/executor/
no_op.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 crate::executor::prelude::*;
16
17/// No-op executor directly forwards the input stream. Currently used to break the multiple edges in
18/// the fragment graph.
19pub struct NoOpExecutor {
20    _ctx: ActorContextRef,
21    input: Executor,
22}
23
24impl NoOpExecutor {
25    pub fn new(ctx: ActorContextRef, input: Executor) -> Self {
26        Self { _ctx: ctx, input }
27    }
28}
29
30impl Execute for NoOpExecutor {
31    fn execute(self: Box<Self>) -> BoxedMessageStream {
32        self.input.execute()
33    }
34}
risingwave_stream/executor/no_op.rs

risingwave_stream/executor/
no_op.rs
