common_meta/
node_manager.rs1use std::sync::Arc;
16
17use api::region::RegionResponse;
18use api::v1::flow::{FlowRequest, FlowResponse};
19use api::v1::region::{InsertRequests, RegionRequest};
20pub use common_base::AffectedRows;
21use common_query::request::QueryRequest;
22use common_recordbatch::SendableRecordBatchStream;
23
24use crate::error::Result;
25use crate::peer::Peer;
26
27#[async_trait::async_trait]
29pub trait Datanode: Send + Sync {
30 async fn handle(&self, request: RegionRequest) -> Result<RegionResponse>;
32
33 async fn handle_query(&self, request: QueryRequest) -> Result<SendableRecordBatchStream>;
35}
36
37pub type DatanodeRef = Arc<dyn Datanode>;
38
39#[async_trait::async_trait]
41pub trait Flownode: Send + Sync {
42 async fn handle(&self, request: FlowRequest) -> Result<FlowResponse>;
43
44 async fn handle_inserts(&self, request: InsertRequests) -> Result<FlowResponse>;
45}
46
47pub type FlownodeRef = Arc<dyn Flownode>;
48
49#[async_trait::async_trait]
51pub trait NodeManager: Send + Sync {
52 async fn datanode(&self, node: &Peer) -> DatanodeRef;
54
55 async fn flownode(&self, node: &Peer) -> FlownodeRef;
57}
58
59pub type NodeManagerRef = Arc<dyn NodeManager>;