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A

apply(InputT...) - Method in interface com.spotify.zoltar.FeatureExtractFns.ExtractFn

Functional interface.

apply(ModelT, List<Vector<InputT, VectorT>>) - Method in interface com.spotify.zoltar.PredictFns.AsyncPredictFn

The functional interface.

apply(ModelT, List<Vector<InputT, VectorT>>) - Method in interface com.spotify.zoltar.PredictFns.PredictFn

The functional interface.

C

close() - Method in interface com.spotify.zoltar.ModelLoader

com.spotify.zoltar - package com.spotify.zoltar

com.spotify.zoltar.fs - package com.spotify.zoltar.fs

com.spotify.zoltar.loaders - package com.spotify.zoltar.loaders

compose(Function<ModelLoader<M>, L>) - Method in interface com.spotify.zoltar.ModelLoader

cons(M) - Static method in interface com.spotify.zoltar.ModelLoader.ConsLoader

Creates a ModelLoader with an already loaded model.

create(FeatureExtractFns.ExtractFn<InputT, VectorT>) - Static method in interface com.spotify.zoltar.FeatureExtractor

Creates an extractor given a generic FeatureExtractFns.ExtractFn, consider using Featran and FeatranExtractFns whenever possible.

create(InputT, ValueT) - Static method in class com.spotify.zoltar.Prediction

Create a new prediction result.

create(InputT, ValueT) - Static method in class com.spotify.zoltar.Vector

Create a new feature extraction result.

create(String) - Static method in class com.spotify.zoltar.Model.Id

D

DEFAULT_EXECUTOR_SERVICE - Static variable in interface com.spotify.zoltar.ModelLoader

default executor.

downloadIfNonLocal(URI) - Static method in class com.spotify.zoltar.fs.FileSystemExtras

If the path is not on a local filesystem, it will download the resource to a temporary path on the local filesystem.

E

extract(ModelT, InputT...) - Method in interface com.spotify.zoltar.FeatureExtractor

Functional interface.

F

FeatureExtractFns - Interface in com.spotify.zoltar

Feature extraction functions.

FeatureExtractFns.BatchExtractFn<InputT,VectorT> - Interface in com.spotify.zoltar

Deprecated.

Use FeatureExtractFns.ExtractFn instead

FeatureExtractFns.ExtractFn<InputT,VectorT> - Interface in com.spotify.zoltar

Generic feature extraction function, takes multiple raw input and should return extracted features of user defined type.

featureExtractor() - Method in interface com.spotify.zoltar.PredictorBuilder

FeatureExtractor<ModelT extends Model<?>,InputT,VectorT> - Interface in com.spotify.zoltar

Functional interface for feature extraction.

FileSystemExtras - Class in com.spotify.zoltar.fs

FileSystem utils and extras.

G

get() - Method in interface com.spotify.zoltar.ModelLoader

Get's the underlying model instance.

get() - Method in interface com.spotify.zoltar.ModelLoader.ThrowableSupplier

get(Duration) - Method in interface com.spotify.zoltar.ModelLoader

Get's the underlying model instance.

getLatestDate(String) - Static method in class com.spotify.zoltar.fs.FileSystemExtras

Finds the latest date directory in the directory src.

I

id() - Method in interface com.spotify.zoltar.Model

Id() - Constructor for class com.spotify.zoltar.Model.Id

identity() - Static method in interface com.spotify.zoltar.FeatureExtractFns.ExtractFn

input() - Method in class com.spotify.zoltar.Prediction

Input to the prediction.

input() - Method in class com.spotify.zoltar.Vector

Input to the feature extraction.

instance() - Method in interface com.spotify.zoltar.Model

Returns an instance of the underlying model.

L

lift(FeatureExtractFns.ExtractFn<InputT, VectorT>) - Static method in interface com.spotify.zoltar.FeatureExtractFns.BatchExtractFn

Deprecated.

lift(ModelLoader.ThrowableSupplier<M>) - Static method in interface com.spotify.zoltar.ModelLoader

Deprecated.

lift(PredictFns.PredictFn<ModelT, InputT, VectorT, ValueT>) - Static method in interface com.spotify.zoltar.PredictFns.AsyncPredictFn

Lifts prediction function to asynchronous prediction function.

lift(Function<InputT, VectorT>) - Static method in interface com.spotify.zoltar.FeatureExtractFns.BatchExtractFn

Deprecated.

lift(Function<InputT, VectorT>) - Static method in interface com.spotify.zoltar.FeatureExtractFns.ExtractFn

load(ModelLoader.ThrowableSupplier<M>) - Static method in interface com.spotify.zoltar.ModelLoader

Create a ModelLoader that loads the supplied model asynchronously.

load(ModelLoader.ThrowableSupplier<M>, Executor) - Static method in interface com.spotify.zoltar.ModelLoader

Create a ModelLoader that loads the supplied model asynchronously.

loaded(M) - Static method in interface com.spotify.zoltar.ModelLoader

Creates a ModelLoader with an already loaded model.

M

memoize(ModelLoader<M>) - Static method in interface com.spotify.zoltar.loaders.ModelMemoizer

Deprecated.

Creates a memoized model loader.

Model<UnderlyingT> - Interface in com.spotify.zoltar

Model interface.

Model.Id - Class in com.spotify.zoltar

value class to define model id.

modelLoader() - Method in interface com.spotify.zoltar.PredictorBuilder

ModelLoader<M extends Model<?>> - Interface in com.spotify.zoltar

Handles the model loading logic.

ModelLoader.ConsLoader<M extends Model<?>> - Interface in com.spotify.zoltar

ConsLoader is a constant ModelLoader.

ModelLoader.PreLoader<M extends Model<?>> - Interface in com.spotify.zoltar

PreLoader is model loader that calls ModelLoader.get() allowing model preloading.

ModelLoader.ThrowableSupplier<M extends Model<?>> - Interface in com.spotify.zoltar

Supplier of Model.

ModelMemoizer<M extends Model<?>> - Interface in com.spotify.zoltar.loaders

Deprecated.

P

path(URI) - Static method in class com.spotify.zoltar.fs.FileSystemExtras

Creates a Path given a URI in a user-friendly and safe way.

predict(InputT...) - Method in interface com.spotify.zoltar.Predictor

Perform prediction with a default scheduler, and practically infinite timeout.

predict(Duration, InputT...) - Method in interface com.spotify.zoltar.Predictor

Perform prediction with a default scheduler.

predict(ScheduledExecutorService, Duration, InputT...) - Method in interface com.spotify.zoltar.Predictor

Functional interface.

predictFn() - Method in interface com.spotify.zoltar.PredictorBuilder

PredictFns - Interface in com.spotify.zoltar

Prediction function interfaces.

PredictFns.AsyncPredictFn<ModelT extends Model<?>,InputT,VectorT,ValueT> - Interface in com.spotify.zoltar

Asynchronous prediction functional interface.

PredictFns.PredictFn<ModelT extends Model<?>,InputT,VectorT,ValueT> - Interface in com.spotify.zoltar

Synchronous prediction functional interface.

Prediction<InputT,ValueT> - Class in com.spotify.zoltar

Value class for prediction result.

Prediction() - Constructor for class com.spotify.zoltar.Prediction

predictor() - Method in interface com.spotify.zoltar.PredictorBuilder

Predictor<InputT,ValueT> - Interface in com.spotify.zoltar

Entry point for prediction, it allows to perform E2E prediction given a recipe made of a Model, FeatureExtractor and a PredictFns.PredictFn.

PredictorBuilder<ModelT extends Model<?>,InputT,VectorT,ValueT> - Interface in com.spotify.zoltar

PredictorBuilder holds the necessary info to build a Predictor.

PredictorTimeoutScheduler - Interface in com.spotify.zoltar

Predictor ScheduledExecutorService supplier for timeout scheduling.

preload() - Static method in interface com.spotify.zoltar.loaders.Preloader

Deprecated.

Returns a blocking Preloader.

preload(ModelLoader.ThrowableSupplier<M>, Duration, Executor) - Static method in interface com.spotify.zoltar.ModelLoader

Returns a blocking ModelLoader.

preload(ModelLoader.ThrowableSupplier<M>, Duration, Executor) - Static method in interface com.spotify.zoltar.ModelLoader.PreLoader

Returns a blocking ModelLoader.

preload(ModelLoader<M>, Duration) - Static method in interface com.spotify.zoltar.ModelLoader

Returns a blocking ModelLoader.PreLoader.

preload(ModelLoader<M>, Duration) - Static method in interface com.spotify.zoltar.ModelLoader.PreLoader

Returns a blocking ModelLoader.PreLoader.

preload(Duration) - Static method in interface com.spotify.zoltar.loaders.Preloader

Deprecated.

Returns a blocking Preloader.

preload(Duration) - Static method in interface com.spotify.zoltar.ModelLoader.PreLoader

Returns a blocking ModelLoader.PreLoader.

preloadAsync() - Static method in interface com.spotify.zoltar.loaders.Preloader

Deprecated.

Returns a asynchronous Preloader.

Preloader<M extends Model<?>> - Interface in com.spotify.zoltar.loaders

Deprecated.

S

scheduler() - Method in interface com.spotify.zoltar.PredictorTimeoutScheduler

T

timeoutScheduler() - Method in interface com.spotify.zoltar.Predictor

timeout scheduler for predict functions.

V

value() - Method in class com.spotify.zoltar.Model.Id

value() - Method in class com.spotify.zoltar.Prediction

Result of the prediction.

value() - Method in class com.spotify.zoltar.Vector

Result of the feature extraction.

Vector<InputT,ValueT> - Class in com.spotify.zoltar

Value class for feature extraction result.

Vector() - Constructor for class com.spotify.zoltar.Vector

W

with(FeatureExtractor<ModelT, InputT, VectorT>) - Method in interface com.spotify.zoltar.PredictorBuilder

with(ModelLoader<ModelT>) - Method in interface com.spotify.zoltar.PredictorBuilder

with(ModelLoader<ModelT>, FeatureExtractor<ModelT, InputT, VectorT>, PredictFns.AsyncPredictFn<ModelT, InputT, VectorT, ValueT>) - Method in interface com.spotify.zoltar.PredictorBuilder

with(PredictFns.AsyncPredictFn<ModelT, InputT, VectorT, ValueT>) - Method in interface com.spotify.zoltar.PredictorBuilder

with(Function<FeatureExtractFns.ExtractFn<InputT, VectorT>, C>) - Method in interface com.spotify.zoltar.FeatureExtractFns.ExtractFn

with(Function<FeatureExtractor<ModelT, InputT, VectorT>, C>) - Method in interface com.spotify.zoltar.FeatureExtractor

with(Function<ModelLoader<M>, L>) - Method in interface com.spotify.zoltar.ModelLoader

Deprecated.

with(Function<PredictFns.AsyncPredictFn<ModelT, InputT, VectorT, ValueT>, C>) - Method in interface com.spotify.zoltar.PredictFns.AsyncPredictFn

with(Function<PredictFns.PredictFn<ModelT, InputT, VectorT, ValueT>, C>) - Method in interface com.spotify.zoltar.PredictFns.PredictFn

with(Function<PredictorBuilder<ModelT, InputT, VectorT, ValueT>, C>) - Method in interface com.spotify.zoltar.PredictorBuilder

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