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use crate::options::retry::RetryOptions;
use crate::StreamPosition;
use eventstore_macros::{options, streaming};
options! {
#[derive(Clone)]
#[streaming]
pub struct SubscribeToStreamOptions {
pub(crate) position: StreamPosition<u64>,
pub(crate) resolve_link_tos: bool,
pub(crate) retry: Option<RetryOptions>,
}
}
impl Default for SubscribeToStreamOptions {
fn default() -> Self {
Self {
position: StreamPosition::End,
resolve_link_tos: false,
retry: None,
common_operation_options: Default::default(),
}
}
}
impl SubscribeToStreamOptions {
/// For example, if a starting point of 50 is specified when a stream has
/// 100 events in it, the subscriber can expect to see events 51 through
/// 100, and then any events subsequently written events until such time
/// as the subscription is dropped or closed.
///
/// By default, it's `StreamPosition::End`
pub fn start_from(self, position: StreamPosition<u64>) -> Self {
Self { position, ..self }
}
/// When using projections, you can have links placed into another stream.
/// If you set `true`, the server will resolve those links and will return
/// the event that the link points to. Default: [NoResolution](../types/enum.LinkTos.html).
pub fn resolve_link_tos(self) -> Self {
Self {
resolve_link_tos: true,
..self
}
}
/// When a disconnection happens, automatically resubscribe to stream changes. When enabled,
/// The client will keep track of the current subscription offset.
pub fn retry_options(self, options: RetryOptions) -> Self {
Self {
retry: Some(options),
..self
}
}
}