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// Copyright (c) 2024-present, fjall-rs
// This source code is licensed under both the Apache 2.0 and MIT License
// (found in the LICENSE-* files in the repository)
use crate::{
coding::{DecodeError, EncodeError},
version::Version,
};
/// Represents errors that can occur in the value log
#[derive(Debug)]
#[non_exhaustive]
pub enum Error {
/// I/O error
Io(std::io::Error),
/// Invalid data format version
InvalidVersion(Option<Version>),
/// Serialization failed
Encode(EncodeError),
/// Deserialization failed
Decode(DecodeError),
/// Compression failed
Compress,
/// Decompression failed
Decompress,
// TODO:
// /// Checksum check failed
// ChecksumMismatch,
}
impl std::fmt::Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "ValueLogError: {self:?}")
}
}
impl std::error::Error for Error {}
impl From<std::io::Error> for Error {
fn from(value: std::io::Error) -> Self {
Self::Io(value)
}
}
impl From<EncodeError> for Error {
fn from(value: EncodeError) -> Self {
Self::Encode(value)
}
}
impl From<DecodeError> for Error {
fn from(value: DecodeError) -> Self {
Self::Decode(value)
}
}
/// Value log result
pub type Result<T> = std::result::Result<T, Error>;