cairn_knowledge_graph/error/
other_error.rs

1use std::error;
2use std::error::Error;
3use std::fmt;
4
5use graphblas_sparse_linear_algebra::error::{
6    SparseLinearAlgebraError, SparseLinearAlgebraErrorType,
7};
8
9#[derive(Debug)]
10pub struct OtherError {
11    error_type: OtherErrorType,
12    explanation: String,
13    source: Option<OtherErrorSource>,
14}
15
16#[derive(Debug)]
17pub enum OtherErrorSource {
18    Display(std::fmt::Error),
19    SparseLinearAlgebra(SparseLinearAlgebraError),
20}
21
22#[derive(Debug, Clone, PartialEq)]
23pub enum OtherErrorType {
24    Display,
25    Other,
26    SparseLinearAlgebra(SparseLinearAlgebraErrorType),
27}
28
29impl OtherError {
30    pub fn new(
31        error_type: OtherErrorType,
32        explanation: String,
33        source: Option<OtherErrorSource>,
34    ) -> Self {
35        Self {
36            error_type,
37            explanation,
38            source,
39        }
40    }
41
42    pub fn error_type(&self) -> OtherErrorType {
43        self.error_type.clone()
44    }
45    pub fn explanation(&self) -> String {
46        self.explanation.clone()
47    }
48}
49
50impl error::Error for OtherError {
51    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
52        match self.source {
53            Some(ref error) => match error {
54                OtherErrorSource::Display(error) => Some(error),
55                OtherErrorSource::SparseLinearAlgebra(error) => Some(error),
56            },
57            None => None,
58        }
59    }
60}
61
62impl fmt::Display for OtherError {
63    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
64        match &self.error_type {
65            // LogicErrorType::GraphBlas(_err) => writeln!(f, "Context:\n{}", &self.context)?,
66            _ => writeln!(f, "Explanation:\n{}", &self.explanation)?,
67        };
68
69        match &self.source() {
70            Some(err) => writeln!(f, "Source error:\n{}", err)?,
71            &None => (),
72        }
73        Ok(())
74    }
75}
76
77impl From<std::fmt::Error> for OtherError {
78    fn from(error: std::fmt::Error) -> Self {
79        Self {
80            error_type: OtherErrorType::Display,
81            explanation: String::new(),
82            source: Some(OtherErrorSource::Display(error)),
83        }
84    }
85}
86
87impl From<SparseLinearAlgebraError> for OtherError {
88    fn from(error: SparseLinearAlgebraError) -> Self {
89        Self {
90            error_type: OtherErrorType::SparseLinearAlgebra(error.error_type()),
91            explanation: String::new(),
92            source: Some(OtherErrorSource::SparseLinearAlgebra(error)),
93        }
94    }
95}
cairn_knowledge_graph/error/other_error.rs

cairn_knowledge_graph/error/
other_error.rs
