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use crate::options::CommonOperationOptions;
use crate::{impl_options_trait, ReadDirection, StreamPosition};
#[derive(Clone)]
pub struct ReadStreamOptions {
pub(crate) direction: ReadDirection,
pub(crate) position: StreamPosition<u64>,
pub(crate) resolve_link_tos: bool,
pub(crate) common_operation_options: CommonOperationOptions,
}
impl Default for ReadStreamOptions {
fn default() -> Self {
Self {
direction: ReadDirection::Forward,
position: StreamPosition::Start,
resolve_link_tos: false,
common_operation_options: Default::default(),
}
}
}
impl_options_trait!(ReadStreamOptions);
impl ReadStreamOptions {
pub fn forwards(self) -> Self {
Self {
direction: ReadDirection::Forward,
..self
}
}
pub fn backwards(self) -> Self {
Self {
direction: ReadDirection::Backward,
..self
}
}
pub fn position(self, position: StreamPosition<u64>) -> Self {
match position {
StreamPosition::Start => Self {
position,
direction: ReadDirection::Forward,
..self
},
StreamPosition::End => Self {
position,
direction: ReadDirection::Backward,
..self
},
StreamPosition::Position(_) => Self { position, ..self },
}
}
pub fn resolve_link_tos(self) -> Self {
Self {
resolve_link_tos: true,
..self
}
}
}