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StalenessMetadata

sidereon_core::staleness

Struct StalenessMetadata 

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pub struct StalenessMetadata {
    pub kind: DegradationKind,
    pub requested_epoch_j2000_s: f64,
    pub source_epoch_j2000_s: f64,
    pub staleness_s: f64,
    pub staleness_days: f64,
}
Expand description

Structured description of the product staleness behind a selection result.

Attached to every IonexSelection / Sp3Selection; a degraded result is never produced without it. Epoch fields are seconds since the J2000 epoch (2000-01-01 12:00:00). staleness_s is requested - source and is never negative. This is the public type the language bindings wrap (Python dataclass, Elixir struct, C handle) and the broadcast-fallback path reads.

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§kind: DegradationKind

Which degradation path produced the result.

§requested_epoch_j2000_s: f64

The requested epoch, J2000 seconds. For a range request this is the latest (most-stale) epoch of the range.

§source_epoch_j2000_s: f64

The source product epoch the result is backed by, J2000 seconds. For DegradationKind::Exact this equals the requested epoch; for a diurnal shift it is the same time-of-day a whole number of days earlier; for nearest-prior it is the source product’s last epoch.

§staleness_s: f64

Staleness requested - source, seconds. Zero for an exact result; never negative.

§staleness_days: f64

Staleness in days (staleness_s / 86400). For a diurnal shift this is the integer day offset applied.

Trait Implementations§

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impl Clone for StalenessMetadata

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fn clone(&self) -> StalenessMetadata

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 Copy for StalenessMetadata

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impl Debug for StalenessMetadata

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl PartialEq for StalenessMetadata

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fn eq(&self, other: &StalenessMetadata) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for StalenessMetadata

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