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//! This module provides the error enum to handle different errors associated while requesting data from
//! the redis server using an async connection pool.
use std::fmt;
use redis::RedisError;
/// A custom error type used for handling redis async pool associated errors.
#[derive(Debug)]
pub enum PoolError {
/// This variant handles all errors related to `RedisError`,
RedisError(RedisError),
/// This variant handles the errors which occurs when all the connections
/// in the connection pool return a connection dropped redis error.
PoolExhaustionWithConnectionDropError,
}
impl fmt::Display for PoolError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
PoolError::RedisError(redis_error) => {
if let Some(detail) = redis_error.detail() {
write!(f, "{}", detail)
} else {
write!(f, "")
}
}
PoolError::PoolExhaustionWithConnectionDropError => {
write!(
f,
"Error all connections from the pool dropped with connection error"
)
}
}
}
}
impl error_stack::Context for PoolError {}
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