standalone/
error.rs

1// Copyright 2023 Greptime Team
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 std::any::Any;
16
17use common_error::ext::{BoxedError, ErrorExt};
18use common_error::status_code::StatusCode;
19use common_macro::stack_trace_debug;
20use snafu::{Location, Snafu};
21
22#[derive(Snafu)]
23#[snafu(visibility(pub))]
24#[stack_trace_debug]
25pub enum Error {
26    #[snafu(display("Failed to open metadata kvbackend"))]
27    OpenMetadataKvBackend {
28        #[snafu(implicit)]
29        location: Location,
30        source: BoxedError,
31    },
32
33    #[snafu(display("External error"))]
34    External {
35        source: BoxedError,
36        #[snafu(implicit)]
37        location: Location,
38    },
39}
40
41pub type Result<T> = std::result::Result<T, Error>;
42
43impl ErrorExt for Error {
44    fn status_code(&self) -> StatusCode {
45        match self {
46            Error::OpenMetadataKvBackend { source, .. } => source.status_code(),
47            Error::External { source, .. } => source.status_code(),
48        }
49    }
50
51    fn as_any(&self) -> &dyn Any {
52        self
53    }
54}