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ScoreFunction

engine::batch_search

Enum ScoreFunction 

Source 
pub enum ScoreFunction {
    Weight {
        weight: f32,
    },
    FieldValue {
        field: String,
        factor: f32,
        modifier: FieldValueModifier,
        missing: f32,
    },
    Decay {
        field: String,
        origin: f64,
        scale: f64,
        offset: f64,
        decay: f64,
        decay_type: DecayType,
    },
    RandomScore {
        seed: u64,
        field: Option<String>,
    },
    Script {
        source: String,
        params: HashMap<String, f64>,
    },
    GeoDecay {
        field: String,
        origin: GeoPoint,
        scale: f64,
        scale_unit: DistanceUnit,
        offset: f64,
        decay: f64,
    },
}
Expand description

Score function definition

Variants§

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Weight

Constant boost

Fields

§weight: f32
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FieldValue

Field value boost

Fields

§field: String
§factor: f32
§modifier: FieldValueModifier
§missing: f32
§

Decay

Decay function (gaussian, linear, exponential)

Fields

§field: String
§origin: f64
§scale: f64
§offset: f64
§decay: f64
§decay_type: DecayType
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RandomScore

Random score for variety

Fields

§seed: u64
§field: Option<String>
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Script

Script-based scoring

Fields

§source: String
§params: HashMap<String, f64>
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GeoDecay

Geo distance decay

Fields

§field: String
§origin: GeoPoint
§scale: f64
§scale_unit: DistanceUnit
§offset: f64
§decay: f64

Trait Implementations§

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impl Clone for ScoreFunction

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fn clone(&self) -> ScoreFunction

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for ScoreFunction

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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<'de> Deserialize<'de> for ScoreFunction

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for ScoreFunction

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

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fn into_either(self, into_left: bool) -> Either<Self, Self>

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const ALIGN: usize

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type Init = T

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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fn and<P, B, E>(self, other: P) -> And<T, P>
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Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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type Error = Infallible

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Performs the conversion.
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