reifydb_core/key/
transaction_version.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2026 ReifyDB
3
4use reifydb_codec::key::{deserializer::KeyDeserializer, encoded::EncodedKey, serializer::KeySerializer};
5
6use super::{EncodableKey, KeyKind};
7
8#[derive(Debug, Clone, PartialEq)]
9pub struct TransactionVersionKey {}
10
11impl TransactionVersionKey {
12	pub fn encoded() -> EncodedKey {
13		Self {}.encode()
14	}
15}
16
17impl EncodableKey for TransactionVersionKey {
18	const KIND: KeyKind = KeyKind::TransactionVersion;
19
20	fn encode(&self) -> EncodedKey {
21		let mut serializer = KeySerializer::with_capacity(1);
22		serializer.extend_u8(Self::KIND as u8);
23		serializer.to_encoded_key()
24	}
25
26	fn decode(key: &EncodedKey) -> Option<Self> {
27		let mut de = KeyDeserializer::from_bytes(key.as_slice());
28
29		let kind: KeyKind = de.read_u8().ok()?.try_into().ok()?;
30		if kind != Self::KIND {
31			return None;
32		}
33
34		Some(TransactionVersionKey {})
35	}
36}
37
38#[cfg(test)]
39pub mod tests {
40	use super::{EncodableKey, TransactionVersionKey};
41
42	#[test]
43	fn test_encode_decode() {
44		let key = TransactionVersionKey {};
45		let encoded = key.encode();
46		let expected = vec![0xF4];
47		assert_eq!(encoded.as_slice(), expected);
48
49		TransactionVersionKey::decode(&encoded).unwrap();
50	}
51}
reifydb_core/key/transaction_version.rs

reifydb_core/key/
transaction_version.rs
