pipecircuit 0.0.15

Correct. Robust. Fast. Portable.
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use super::super::dense_key_index::{CommitInconsistency, IndexInconsistency};

#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum UniqueIndexInconsistency {
    BucketUnavailable {
        bucket: usize,
    },
    StoredRowUnrepresentable {
        stored_row: u32,
    },
    KeyUnavailable {
        row: usize,
    },
    StoredRowMismatch {
        expected: usize,
        actual: usize,
    },
    ProbeLimitReached,
    InsertRowUnrepresentable {
        bucket: usize,
        row: usize,
    },
    InsertRowReserved {
        bucket: usize,
        row: usize,
    },
    InsertVacancyUnavailable {
        bucket: usize,
        row: usize,
    },
    InsertVacancyOccupied {
        bucket: usize,
        row: usize,
        occupying_row: u32,
    },
    ExpectedRowMismatch {
        expected: usize,
        actual: usize,
    },
}

impl From<IndexInconsistency> for UniqueIndexInconsistency {
    fn from(reason: IndexInconsistency) -> Self {
        match reason {
            IndexInconsistency::BucketUnavailable { bucket } => Self::BucketUnavailable { bucket },
            IndexInconsistency::StoredRowUnrepresentable { stored_row } => {
                Self::StoredRowUnrepresentable { stored_row }
            }
            IndexInconsistency::KeyUnavailable { row } => Self::KeyUnavailable { row },
            IndexInconsistency::StoredRowMismatch { expected, actual } => {
                Self::StoredRowMismatch { expected, actual }
            }
            IndexInconsistency::ProbeLimitReached => Self::ProbeLimitReached,
        }
    }
}

impl From<CommitInconsistency> for UniqueIndexInconsistency {
    fn from(reason: CommitInconsistency) -> Self {
        match reason {
            CommitInconsistency::RowUnrepresentable { vacancy, row } => {
                Self::InsertRowUnrepresentable {
                    bucket: vacancy.bucket(),
                    row,
                }
            }
            CommitInconsistency::RowReserved { vacancy, row } => Self::InsertRowReserved {
                bucket: vacancy.bucket(),
                row,
            },
            CommitInconsistency::VacancyUnavailable { vacancy, row } => {
                Self::InsertVacancyUnavailable {
                    bucket: vacancy.bucket(),
                    row,
                }
            }
            CommitInconsistency::VacancyOccupied {
                vacancy,
                row,
                occupying_row,
            } => Self::InsertVacancyOccupied {
                bucket: vacancy.bucket(),
                row,
                occupying_row,
            },
        }
    }
}