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TopologyOptions

faucet_stream

Struct TopologyOptions 

Source 
pub struct TopologyOptions {
    pub pipeline_name: String,
    pub run_id: String,
    pub batch_size: usize,
    pub state_store: Option<Arc<dyn StateStore>>,
    pub dlq: Option<DlqConfig>,
    pub cancel: Option<CancellationToken>,
    pub on_error: TopologyOnError,
    pub default_channel_capacity: usize,
}
Expand description

Per-run options for Topology::run.

Fields§

§pipeline_name: String

Pipeline name (metric pipeline label).

§run_id: String

Run id (span attribute).

§batch_size: usize

Batch-size hint passed to source nodes’ stream_pages.

§state_store: Option<Arc<dyn StateStore>>

State store shared by every sink node (each under {pipeline}::{node_id}).

§dlq: Option<DlqConfig>

DLQ applied to every sink node.

§cancel: Option<CancellationToken>

Cooperative cancellation.

§on_error: TopologyOnError

Failure policy.

§default_channel_capacity: usize

Default bounded-channel capacity for edges not fed by a tee.

Implementations§

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impl TopologyOptions

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pub fn new(pipeline_name: impl Into<String>) -> TopologyOptions

New options with the given pipeline name.

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pub fn with_state_store(self, store: Arc<dyn StateStore>) -> TopologyOptions

Attach a state store.

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pub fn with_dlq(self, dlq: DlqConfig) -> TopologyOptions

Attach a DLQ applied to every sink node.

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pub fn with_cancel(self, cancel: CancellationToken) -> TopologyOptions

Attach a cancellation token.

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pub fn with_on_error(self, on_error: TopologyOnError) -> TopologyOptions

Set the failure policy.

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pub fn with_batch_size(self, batch_size: usize) -> TopologyOptions

Set the batch-size hint.

Trait Implementations§

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impl Clone for TopologyOptions

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fn clone(&self) -> TopologyOptions

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for TopologyOptions

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fn default() -> TopologyOptions

Returns the “default value” for a type. Read more

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