Trait RustIteratorBuilder

pub trait RustIteratorBuilder:
    Send
    + Sync
    + 'static {
    type Iterable: Send + Sync;
    type Direction: HummockIteratorDirection;
    type RewindIter<'a>: Iterator<Item = (TableKey<&'a [u8]>, HummockValue<&'a [u8]>)> + Send + Sync + 'a;
    type SeekIter<'a>: Iterator<Item = (TableKey<&'a [u8]>, HummockValue<&'a [u8]>)> + Send + Sync + 'a;

    // Required methods
    fn seek<'a>(
        iterable: &'a Self::Iterable,
        seek_key: TableKey<&[u8]>,
    ) -> Self::SeekIter<'a>;
    fn rewind(iterable: &Self::Iterable) -> Self::RewindIter<'_>;
}

Required Associated Types

type Iterable: Send + Sync

type Direction: HummockIteratorDirection

type RewindIter<'a>: Iterator<Item = (TableKey<&'a [u8]>, HummockValue<&'a [u8]>)> + Send + Sync + 'a

type SeekIter<'a>: Iterator<Item = (TableKey<&'a [u8]>, HummockValue<&'a [u8]>)> + Send + Sync + 'a

Required Methods

fn seek<'a>( iterable: &'a Self::Iterable, seek_key: TableKey<&[u8]>, ) -> Self::SeekIter<'a>

fn rewind(iterable: &Self::Iterable) -> Self::RewindIter<'_>

Object Safety

This trait is not object safe.

Implementors

impl RustIteratorBuilder for MemTableIteratorBuilder

type Direction = Forward

type Iterable = BTreeMap<TableKey<Bytes>, KeyOp>

type RewindIter<'a> = impl Iterator<Item = (TableKey<&'a [u8]>, HummockValue<&'a [u8]>)> + Send + 'a

type SeekIter<'a> = impl Iterator<Item = (TableKey<&'a [u8]>, HummockValue<&'a [u8]>)> + Send + 'a

impl RustIteratorBuilder for MemTableRevIteratorBuilder

type Direction = Backward

type Iterable = BTreeMap<TableKey<Bytes>, KeyOp>

type RewindIter<'a> = impl Iterator<Item = (TableKey<&'a [u8]>, HummockValue<&'a [u8]>)> + Send + 'a

type SeekIter<'a> = impl Iterator<Item = (TableKey<&'a [u8]>, HummockValue<&'a [u8]>)> + Send + 'a