use reifydb_core::key::operator_state::Keyspace;
use crate::operator::join::store::Store;
pub(crate) struct JoinState {
pub(crate) left: Store,
pub(crate) right: Store,
}
impl JoinState {
pub(crate) fn new() -> Self {
Self {
left: Store::new(JoinSide::Left),
right: Store::new(JoinSide::Right),
}
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub(crate) enum JoinSide {
Left,
Right,
}
impl JoinSide {
pub(crate) fn keyspace(&self) -> Keyspace {
match self {
Self::Left => Keyspace::JOIN_LEFT,
Self::Right => Keyspace::JOIN_RIGHT,
}
}
pub(crate) fn tag(&self) -> u8 {
match self {
Self::Left => 0,
Self::Right => 1,
}
}
pub(crate) fn from_tag(tag: u8) -> Option<Self> {
match tag {
0 => Some(Self::Left),
1 => Some(Self::Right),
_ => None,
}
}
}