cedar_policy_core/entities/
err.rs

1/*
2 * Copyright 2022-2023 Amazon.com, Inc. or its affiliates. All Rights Reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      https://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17use super::EntityUID;
18use crate::transitive_closure;
19use std::io;
20use thiserror::Error;
21
22/// Error type for errors raised in entities.rs.
23#[derive(Debug, Error)]
24pub enum EntitiesError {
25    /// Error occurring in serialization of entities
26    #[error("error while serializing entities: {0}")]
27    SerializationError(#[from] crate::entities::JsonSerializationError),
28    /// Error occurring in deserialization of entities
29    #[error("error while deserializing entities: {0}")]
30    DeserializationError(#[from] crate::entities::JsonDeserializationError),
31    /// Error as a result of a failed IO operation.
32    #[error("IO error from the entities module: {0}")]
33    IOError(#[from] io::Error),
34    /// Errors occurring while computing or enforcing transitive closure on the
35    /// entity hierarchy.
36    #[error("transitive closure error: {0}")]
37    TransitiveClosureError(#[from] Box<transitive_closure::Err<EntityUID>>),
38}
39
40/// Type alias for convenience
41pub type Result<T> = std::result::Result<T, EntitiesError>;
cedar_policy_core/entities/err.rs

cedar_policy_core/entities/
err.rs
