reifydb_core/key/
flow.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2026 ReifyDB
3
4use reifydb_codec::key::{
5	deserializer::KeyDeserializer,
6	encoded::{EncodedKey, EncodedKeyRange},
7	serializer::KeySerializer,
8};
9
10use super::{EncodableKey, KeyKind};
11use crate::interface::catalog::flow::FlowId;
12
13#[derive(Debug, Clone, PartialEq)]
14pub struct FlowKey {
15	pub flow: FlowId,
16}
17
18impl EncodableKey for FlowKey {
19	const KIND: KeyKind = KeyKind::Flow;
20
21	fn encode(&self) -> EncodedKey {
22		let mut serializer = KeySerializer::with_capacity(9);
23		serializer.extend_u8(Self::KIND as u8).extend_u64(self.flow);
24		serializer.to_encoded_key()
25	}
26
27	fn decode(key: &EncodedKey) -> Option<Self> {
28		let mut de = KeyDeserializer::from_bytes(key.as_slice());
29
30		let kind: KeyKind = de.read_u8().ok()?.try_into().ok()?;
31		if kind != Self::KIND {
32			return None;
33		}
34
35		let flow = de.read_u64().ok()?;
36
37		Some(Self {
38			flow: FlowId(flow),
39		})
40	}
41}
42
43impl FlowKey {
44	pub fn encoded(flow: impl Into<FlowId>) -> EncodedKey {
45		Self {
46			flow: flow.into(),
47		}
48		.encode()
49	}
50
51	pub fn full_scan() -> EncodedKeyRange {
52		EncodedKeyRange::start_end(Some(Self::flow_start()), Some(Self::flow_end()))
53	}
54
55	fn flow_start() -> EncodedKey {
56		let mut serializer = KeySerializer::with_capacity(1);
57		serializer.extend_u8(Self::KIND as u8);
58		serializer.to_encoded_key()
59	}
60
61	fn flow_end() -> EncodedKey {
62		let mut serializer = KeySerializer::with_capacity(1);
63		serializer.extend_u8(Self::KIND as u8 - 1);
64		serializer.to_encoded_key()
65	}
66}
67
68#[cfg(test)]
69pub mod tests {
70	use super::{EncodableKey, FlowKey};
71	use crate::interface::catalog::flow::FlowId;
72
73	#[test]
74	fn test_encode_decode() {
75		let key = FlowKey {
76			flow: FlowId(0x1234),
77		};
78		let encoded = key.encode();
79		let decoded = FlowKey::decode(&encoded).unwrap();
80		assert_eq!(decoded.flow, FlowId(0x1234));
81		assert_eq!(key, decoded);
82	}
83}
reifydb_core/key/flow.rs

reifydb_core/key/
flow.rs
