Struct NoopTracer 

pub struct NoopTracer;

Zero-cost tracer that discards all events.

This is the default tracer for QueryRuntime.

Trait Implementations

impl Tracer for NoopTracer

fn new_span_id(&self) -> SpanId

Generate a new unique span ID.

fn new_trace_id(&self) -> TraceId

Generate a new unique trace ID.

fn on_query_start(&self, _ctx: &SpanContext, _query: &QueryCacheKey)

Called when a query execution starts.

fn on_cache_check( &self, _ctx: &SpanContext, _query: &QueryCacheKey, _valid: bool, )

Called when cache validity is checked.

fn on_query_end( &self, _ctx: &SpanContext, _query: &QueryCacheKey, _result: ExecutionResult, )

Called when a query execution ends.

fn on_dependency_registered( &self, _ctx: &SpanContext, _parent: &FullCacheKey, _dependency: &FullCacheKey, )

Called when a query dependency is registered during execution.

fn on_asset_dependency_registered( &self, _ctx: &SpanContext, _parent: &FullCacheKey, _asset: &FullCacheKey, )

Called when an asset dependency is registered during execution.

fn on_early_cutoff_check( &self, _ctx: &SpanContext, _query: &QueryCacheKey, _output_changed: bool, )

Called when early cutoff comparison is performed.

fn on_asset_requested(&self, _ctx: &SpanContext, _asset: &AssetCacheKey)

Called when an asset is requested (START event).

fn on_asset_located( &self, _ctx: &SpanContext, _asset: &AssetCacheKey, _state: TracerAssetState, )

Called when an asset locator finishes execution.

fn on_asset_resolved(&self, _asset: &AssetCacheKey, _changed: bool)

Called when an asset is resolved with a value.

fn on_asset_invalidated(&self, _asset: &AssetCacheKey)

Called when an asset is invalidated.

fn on_query_invalidated( &self, _query: &QueryCacheKey, _reason: InvalidationReason, )

Called when a query is invalidated.

fn on_cycle_detected(&self, _path: &[FullCacheKey])

Called when a dependency cycle is detected.

fn on_query_key(&self, _full_key: &FullCacheKey)

Called when a query is accessed, providing the FullCacheKey for GC tracking.