54 lines
1.7 KiB
Rust
54 lines
1.7 KiB
Rust
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//! Errors returned by queue and job operations.
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/// Errors from queue-level operations (enqueue, dequeue, etc.).
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#[derive(Debug)]
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pub enum QueueError {
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/// A transport or backend connection error.
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Connection(String),
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/// The requested topic/queue does not exist or is unavailable.
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NotFound(String),
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/// A serialization error.
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Serialization(String),
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/// A timeout occurred while waiting for an operation.
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Timeout,
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}
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impl std::fmt::Display for QueueError {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self {
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Self::Connection(s) => write!(f, "queue connection error: {s}"),
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Self::NotFound(s) => write!(f, "queue not found: {s}"),
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Self::Serialization(s) => write!(f, "serialization error: {s}"),
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Self::Timeout => write!(f, "queue operation timed out"),
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}
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}
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}
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impl std::error::Error for QueueError {}
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/// Errors from individual job processing.
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#[derive(Debug)]
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pub enum JobError {
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/// The job could not be acknowledged.
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AckFailed(String),
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/// The job could not be moved to the dead-letter queue.
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DlqFailed(String),
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/// The job exceeded its maximum retry count.
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MaxRetriesExceeded,
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/// The job payload could not be decoded.
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InvalidPayload(String),
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}
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impl std::fmt::Display for JobError {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self {
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Self::AckFailed(s) => write!(f, "ack failed: {s}"),
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Self::DlqFailed(s) => write!(f, "dlq move failed: {s}"),
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Self::MaxRetriesExceeded => write!(f, "max retries exceeded"),
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Self::InvalidPayload(s) => write!(f, "invalid payload: {s}"),
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}
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}
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}
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impl std::error::Error for JobError {}
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