A B C D E F G I J L M N O P R S T V W X

A

App - Class in com.spotify.zoltar.examples.apollo

Application entry point.

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.

B

build() - Method in class com.spotify.zoltar.tf.TensorFlowModel.Options.Builder

builder() - Static method in class com.spotify.zoltar.tf.TensorFlowModel.Options

Builder() - Constructor for class com.spotify.zoltar.tf.TensorFlowModel.Options.Builder

C

close() - Method in class com.spotify.zoltar.mlengine.MlEngineModel

Close the model.

close() - Method in class com.spotify.zoltar.tf.TensorFlowGraphModel

Close the model.

close() - Method in class com.spotify.zoltar.tf.TensorFlowModel

Close the model.

close() - Method in class com.spotify.zoltar.xgboost.XGBoostModel

Closes the model.

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

com.spotify.zoltar.examples.apollo - package com.spotify.zoltar.examples.apollo

com.spotify.zoltar.examples.batch - package com.spotify.zoltar.examples.batch

com.spotify.zoltar.examples.metrics - package com.spotify.zoltar.examples.metrics

com.spotify.zoltar.examples.mlengine - package com.spotify.zoltar.examples.mlengine

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

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

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

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

com.spotify.zoltar.metrics.semantic - package com.spotify.zoltar.metrics.semantic

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

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

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

create(ModelConfig, PredictorMetrics) - Static method in class com.spotify.zoltar.examples.apollo.IrisPredictor

Configure Iris prediction, should be called at the service startup/configuration stage.

create(URI, URI) - Static method in class com.spotify.zoltar.examples.apollo.ModelConfig

create(String, String, String) - Static method in class com.spotify.zoltar.examples.mlengine.MlEnginePredictorExample

Runs a simple Iris prediction against the running Iris ml-engine instance.

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

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

create(SemanticMetricRegistry, MetricId) - Static method in class com.spotify.zoltar.metrics.semantic.SemanticPredictorMetrics

Creates a new @{link SemanticPredictorMetrics}.

create(String, String) - Static method in interface com.spotify.zoltar.mlengine.MlEngineLoader

Returns a Google Cloud ML Engine model loader that references the default model.

create(String, String, String) - Static method in interface com.spotify.zoltar.mlengine.MlEngineLoader

Returns a Google Cloud ML Engine model loader.

create(Model.Id) - Static method in interface com.spotify.zoltar.mlengine.MlEngineLoader

Returns a Google Cloud ML Engine model loader.

create(ModelLoader.ThrowableSupplier<MlEngineModel>) - Static method in interface com.spotify.zoltar.mlengine.MlEngineLoader

Returns a Google Cloud ML Engine model loader.

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

Creates a Google Cloud ML Engine backed model.

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

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

Create a new prediction result.

create(Tensor<?>) - Static method in class com.spotify.zoltar.tf.JTensor

Create a new JTensor instance by extracting data from the underlying Tensor and closing it afterwards.

create(String, ConfigProto, String) - Static method in interface com.spotify.zoltar.tf.TensorFlowGraphLoader

Returns a TensorFlow model loader based on a serialized TensorFlow Graph.

create(Model.Id, String, ConfigProto, String) - Static method in interface com.spotify.zoltar.tf.TensorFlowGraphLoader

Returns a TensorFlow model loader based on a serialized TensorFlow Graph.

create(byte[], ConfigProto, String) - Static method in interface com.spotify.zoltar.tf.TensorFlowGraphLoader

Returns a TensorFlow model loader based on a serialized TensorFlow Graph.

create(Model.Id, byte[], ConfigProto, String) - Static method in interface com.spotify.zoltar.tf.TensorFlowGraphLoader

Returns a TensorFlow model loader based on a serialized TensorFlow Graph.

create(ModelLoader.ThrowableSupplier<TensorFlowGraphModel>) - Static method in interface com.spotify.zoltar.tf.TensorFlowGraphLoader

Returns a TensorFlow model loader based on a serialized TensorFlow Graph.

create(URI, ConfigProto, String) - Static method in class com.spotify.zoltar.tf.TensorFlowGraphModel

Note: Please use Models from zoltar-models module.

create(Model.Id, URI, ConfigProto, String) - Static method in class com.spotify.zoltar.tf.TensorFlowGraphModel

Note: Please use Models from zoltar-models module.

create(byte[], ConfigProto, String) - Static method in class com.spotify.zoltar.tf.TensorFlowGraphModel

Note: Please use Models from zoltar-models module.

create(Model.Id, byte[], ConfigProto, String) - Static method in class com.spotify.zoltar.tf.TensorFlowGraphModel

Note: Please use Models from zoltar-models module.

create(String) - Static method in interface com.spotify.zoltar.tf.TensorFlowLoader

Returns a TensorFlow model loader based on a saved model.

create(Model.Id, String) - Static method in interface com.spotify.zoltar.tf.TensorFlowLoader

Returns a TensorFlow model loader based on a saved model.

create(String, TensorFlowModel.Options) - Static method in interface com.spotify.zoltar.tf.TensorFlowLoader

Returns a TensorFlow model loader based on a saved model.

create(Model.Id, String, TensorFlowModel.Options) - Static method in interface com.spotify.zoltar.tf.TensorFlowLoader

Returns a TensorFlow model loader based on a saved model.

create(ModelLoader.ThrowableSupplier<TensorFlowModel>) - Static method in interface com.spotify.zoltar.tf.TensorFlowLoader

Returns a TensorFlow model loader based on a saved model.

create(URI) - Static method in class com.spotify.zoltar.tf.TensorFlowModel

Note: Please use Models from zoltar-models module.

create(Model.Id, URI) - Static method in class com.spotify.zoltar.tf.TensorFlowModel

Note: Please use Models from zoltar-models module.

create(URI, TensorFlowModel.Options) - Static method in class com.spotify.zoltar.tf.TensorFlowModel

Note: Please use Models from zoltar-models module.

create(Model.Id, URI, TensorFlowModel.Options) - Static method in class com.spotify.zoltar.tf.TensorFlowModel

Note: Please use Models from zoltar-models module.

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

Create a new feature extraction result.

create(String) - Static method in interface com.spotify.zoltar.xgboost.XGBoostLoader

Returns a XGBoost model loader given the serialized model stored in the model URI.

create(Model.Id, String) - Static method in interface com.spotify.zoltar.xgboost.XGBoostLoader

Returns a XGBoost model loader given the serialized model stored in the model URI.

create(ModelLoader.ThrowableSupplier<XGBoostModel>) - Static method in interface com.spotify.zoltar.xgboost.XGBoostLoader

Returns a XGBoost model loader given the serialized model stored in the model URI.

create(URI) - Static method in class com.spotify.zoltar.xgboost.XGBoostModel

Note: Please use Models from zoltar-models module.

create(Model.Id, URI) - Static method in class com.spotify.zoltar.xgboost.XGBoostModel

Note: Please use Models from zoltar-models module.

D

data() - Method in class com.spotify.zoltar.tf.JTensor

doubles(FeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as double[].

doubles(JFeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as double[].

doubleValue() - Method in class com.spotify.zoltar.tf.JTensor

Double array value of the underlying Tensor, if DataType is DOUBLE.

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

error() - Method in class com.spotify.zoltar.mlengine.MlEngineModel.Response

Prediction error.

example(FeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as Example.

example(JFeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as Example.

example(Function<Map<String, JTensor>, ValueT>, String...) - Static method in interface com.spotify.zoltar.tf.TensorFlowPredictFn

TensorFlow Example prediction function.

exampleBatch(Function<Map<String, JTensor>, ValueT>, String...) - Static method in interface com.spotify.zoltar.tf.TensorFlowPredictFn

TensorFlow Example prediction function.

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

Functional interface.

extraction(List<Vector<InputT, ValueT>>) - Method in class com.spotify.zoltar.metrics.semantic.SemanticVectorMetrics

extraction(List<Vector<InputT, ValueT>>) - Method in interface com.spotify.zoltar.metrics.VectorMetrics

F

FeatranExtractFns - Class in com.spotify.zoltar.featran

Featran extraction functions.

FeatureExtractFns - Interface in com.spotify.zoltar

Feature extraction functions.

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

Generic feature extraction function, takes a batch of raw inputs and should return extracted features of user defined type for each input.

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

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

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

Functional interface for feature extraction.

featureExtractor() - Method in class com.spotify.zoltar.metrics.InstrumentedPredictorBuilder

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

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

Supplier of VectorMetrics.

featureExtractorMetrics() - Method in interface com.spotify.zoltar.metrics.PredictorMetrics

Called on each feature extraction function call to get a brand new supplier of metrics for that call.

featureExtractorMetrics() - Method in class com.spotify.zoltar.metrics.semantic.SemanticPredictorMetrics

FileSystemExtras - Class in com.spotify.zoltar.fs

FileSystem utils and extras.

floats(FeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as float[].

floats(JFeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as float[].

floatValue() - Method in class com.spotify.zoltar.tf.JTensor

Float array value of the underlying Tensor, if DataType is FLOAT.

from(Config) - Static method in class com.spotify.zoltar.examples.apollo.ModelConfig

Creates a ModelConfig create a Config.

G

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

Get's the underlying model instance.

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

Get's the underlying model instance.

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

getIrisTestData() - Static method in class com.spotify.zoltar.IrisHelper

Get Iris test data.

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

Finds the latest date directory in the directory src.

GompLoader - Class in ml.dmlc.xgboost4j.java

Utility class to load GOMP library on both Mac and Linux environment.

GompLoader() - Constructor for class ml.dmlc.xgboost4j.java.GompLoader

graph() - Method in class com.spotify.zoltar.tf.TensorFlowGraphModel

Returns TensorFlow graph.

I

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

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

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.

instance() - Method in class com.spotify.zoltar.tf.TensorFlowGraphModel

Returns TensorFlow Session.

instance() - Method in class com.spotify.zoltar.tf.TensorFlowModel

Returns TensorFlow SavedModelBundle.

instance() - Method in class com.spotify.zoltar.xgboost.XGBoostModel

Returns XGBoost's Booster.

Instrumentations - Class in com.spotify.zoltar.metrics

This class consists exclusively of static methods that return functions used to decorate types with instrumentation behavior.

InstrumentedPredictorBuilder<ModelT extends Model<?>,InputT,VectorT,ValueT> - Class in com.spotify.zoltar.metrics

Implementation of an instrumented PredictorBuilder.

InstrumentedPredictorBuilder() - Constructor for class com.spotify.zoltar.metrics.InstrumentedPredictorBuilder

intValue() - Method in class com.spotify.zoltar.tf.JTensor

Integer array value of the underlying Tensor, if DataType is INT32.

IrisHelper - Class in com.spotify.zoltar

Helper class to generate Iris test data.

IrisPredictor - Class in com.spotify.zoltar.examples.apollo

Iris prediction meat and potatoes.

IrisPredictor() - Constructor for class com.spotify.zoltar.examples.apollo.IrisPredictor

J

JTensor - Class in com.spotify.zoltar.tf

Wrapper for Tensor that manages memory in JVM heap and closes the underlying Tensor.

JTensor() - Constructor for class com.spotify.zoltar.tf.JTensor

L

labeledPoints(FeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as LabeledPoint.

labeledPoints(JFeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as LabeledPoint.

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

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

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

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

Lifts a supplier into a ModelLoader.

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

Lifts prediction function to asynchronous prediction function.

longValue() - Method in class com.spotify.zoltar.tf.JTensor

Long array value of the underlying Tensor, if DataType is INT64.

M

main(String...) - Static method in class com.spotify.zoltar.examples.apollo.App

Runs the app locally.

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

Creates a memoized model loader.

metrics() - Method in class com.spotify.zoltar.metrics.InstrumentedPredictorBuilder

ml.dmlc.xgboost4j.java - package ml.dmlc.xgboost4j.java

mlEngine(Model.Id) - Static method in class com.spotify.zoltar.Models

Returns a Cloud ML Engine backed model.

mlEngine(String, String, String) - Static method in class com.spotify.zoltar.Models

Returns a Cloud Ml Engine backed model.

MlEngineLoader - Interface in com.spotify.zoltar.mlengine

MlEngineLoader loader.

MlEngineModel - Class in com.spotify.zoltar.mlengine

This model can be used to allow prediction on models deployed to Google Cloud ML Engine.

MlEngineModel() - Constructor for class com.spotify.zoltar.mlengine.MlEngineModel

MlEngineModel.Response - Class in com.spotify.zoltar.mlengine

Prediction response.

MlEngineModel.Response.Predictions - Class in com.spotify.zoltar.mlengine

Holds the predictions values.

MlEnginePredictException - Exception in com.spotify.zoltar.mlengine

Exception thrown when Google Cloud ML Engine prediction results in an error.

MlEnginePredictException(String) - Constructor for exception com.spotify.zoltar.mlengine.MlEnginePredictException

Constructs a new exception with the specified detail message.

MlEnginePredictFn<InputT,VectorT,ValueT> - Interface in com.spotify.zoltar.mlengine

Google Cloud ML Engine flavor of PredictFns.AsyncPredictFn using MlEngineModel.

MlEnginePredictorExample - Class in com.spotify.zoltar.examples.mlengine

Cloud Machine Learning Engine online prediction example.

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

Model interface.

Model.Id - Class in com.spotify.zoltar

value class to define model id.

ModelConfig - Class in com.spotify.zoltar.examples.apollo

Immutable object that contains model / feature extraction configuration properties.

ModelConfig() - Constructor for class com.spotify.zoltar.examples.apollo.ModelConfig

modelLoader() - Method in class com.spotify.zoltar.metrics.InstrumentedPredictorBuilder

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

Handles the model loading logic.

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

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

Supplier of Model.

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

Memoizes the result of the supplied ModelLoader.

Models - Class in com.spotify.zoltar

This class consists exclusively of static methods that return Model Loaders.

modelUri() - Method in class com.spotify.zoltar.examples.apollo.ModelConfig

model URI path.

N

newBuilder(ModelLoader<ModelT>, FeatureExtractFns.ExtractFn<InputT, VectorT>, PredictFns.PredictFn<ModelT, InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.Predictors

Returns a PredictorBuilder given a Model, FeatureExtractorand a PredictFns.PredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractFns.ExtractFn<InputT, VectorT>, PredictFns.AsyncPredictFn<ModelT, InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.Predictors

Returns a PredictorBuilder given a Model, FeatureExtractor and a PredictFns.AsyncPredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractor<ModelT, InputT, VectorT>, PredictFns.PredictFn<ModelT, InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.Predictors

Returns a PredictorBuilder given a Model, FeatureExtractor and a PredictFns.PredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractor<ModelT, InputT, VectorT>, PredictFns.AsyncPredictFn<ModelT, InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.Predictors

Returns a PredictorBuilder given a Model, FeatureExtractor and a PredictFns.PredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractFns.ExtractFn<InputT, VectorT>, PredictFns.PredictFn<ModelT, InputT, VectorT, ValueT>, PredictorMetrics<InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.Predictors

Returns a PredictorBuilder given a Model, FeatureExtractorand a PredictFns.PredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractFns.ExtractFn<InputT, VectorT>, PredictFns.AsyncPredictFn<ModelT, InputT, VectorT, ValueT>, PredictorMetrics<InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.Predictors

Returns a PredictorBuilder given a Model, FeatureExtractor and a PredictFns.AsyncPredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractor<ModelT, InputT, VectorT>, PredictFns.PredictFn<ModelT, InputT, VectorT, ValueT>, PredictorMetrics<InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.Predictors

Returns a PredictorBuilder given a Model, FeatureExtractor and a PredictFns.PredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractor<ModelT, InputT, VectorT>, PredictFns.AsyncPredictFn<ModelT, InputT, VectorT, ValueT>, PredictorMetrics<InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.Predictors

Returns a PredictorBuilder given a Model, FeatureExtractor and a PredictFns.PredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractFns.ExtractFn<InputT, VectorT>, PredictFns.PredictFn<ModelT, InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.PredictorsTest

Returns a PredictorBuilder given a Model, FeatureExtractorand a PredictFns.PredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractFns.ExtractFn<InputT, VectorT>, PredictFns.AsyncPredictFn<ModelT, InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.PredictorsTest

Returns a PredictorBuilder given a Model, FeatureExtractor and a PredictFns.AsyncPredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractor<ModelT, InputT, VectorT>, PredictFns.PredictFn<ModelT, InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.PredictorsTest

Returns a PredictorBuilder given a Model, FeatureExtractor and a PredictFns.PredictFn.

newBuilder(ModelLoader<ModelT>, FeatureExtractor<ModelT, InputT, VectorT>, PredictFns.AsyncPredictFn<ModelT, InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.PredictorsTest

Returns a PredictorBuilder given a Model, FeatureExtractor and a PredictFns.PredictFn.

O

options() - Method in class com.spotify.zoltar.tf.TensorFlowModel

TensorFlowModel.Options of this model.

Options() - Constructor for class com.spotify.zoltar.tf.TensorFlowModel.Options

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(ScheduledExecutorService, Duration, IrisFeaturesSpec.Iris...) - Method in class com.spotify.zoltar.examples.mlengine.MlEnginePredictorExample

predict(List<?>) - Method in class com.spotify.zoltar.mlengine.MlEngineModel

Predict.

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

Functional interface.

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

Perform prediction with a default scheduler.

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

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

predictExamples(List<Example>) - Method in class com.spotify.zoltar.mlengine.MlEngineModel

Predict.

predictFn() - Method in class com.spotify.zoltar.metrics.InstrumentedPredictorBuilder

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

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

Supplier of PredictMetrics.

predictFnMetrics() - Method in interface com.spotify.zoltar.metrics.PredictorMetrics

Called on each predict function call to get a brand new supplier of metrics for that call.

predictFnMetrics() - Method in class com.spotify.zoltar.metrics.semantic.SemanticPredictorMetrics

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(List<Prediction<InputT, ValueT>>) - Method in interface com.spotify.zoltar.metrics.PredictMetrics

prediction(List<Prediction<InputT, ValueT>>) - Method in class com.spotify.zoltar.metrics.semantic.SemanticPredictMetrics

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

Value class for prediction result.

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

predictions() - Method in class com.spotify.zoltar.mlengine.MlEngineModel.Response

List of predictions.

Predictions() - Constructor for class com.spotify.zoltar.mlengine.MlEngineModel.Response.Predictions

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

Defines an interface for how to collect prediction statistics.

predictor(PredictorMetrics<InputT, VectorT, ValueT>) - Static method in class com.spotify.zoltar.metrics.Instrumentations

Adds instrumentation support to an existent predictor builder, allowing it to create an instrumented Predictor.

predictor() - Method in class com.spotify.zoltar.metrics.InstrumentedPredictorBuilder

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.

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

predictorBuilder() - Method in class com.spotify.zoltar.metrics.InstrumentedPredictorBuilder

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

PredictorBuilder holds the necessary info to build a Predictor.

PredictorMetrics<InputT,VectorT,PredictionT> - Interface in com.spotify.zoltar.metrics

Defines an interface for how to collect predictor statistics.

Predictors - Class in com.spotify.zoltar

This class consists exclusively of static methods that return PredictorBuilder or Predictor.

PredictorsTest - Class in com.spotify.zoltar

Predictors test helper methods.

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

Returns a blocking Preloader.

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

Returns a blocking Preloader.

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

Returns a asynchronous Preloader.

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

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

R

Response() - Constructor for class com.spotify.zoltar.mlengine.MlEngineModel.Response

runAndExtract(Session.Runner, String...) - Static method in class com.spotify.zoltar.tf.TensorFlowExtras

Fetch a list of operations from a Session.Runner, run it, extract output Tensors as JTensors and close them.

S

SemanticPredictMetrics<InputT,ValueT> - Class in com.spotify.zoltar.metrics.semantic

Semantic metric implementation for the PredictMetrics.

SemanticPredictMetrics() - Constructor for class com.spotify.zoltar.metrics.semantic.SemanticPredictMetrics

SemanticPredictorMetrics<InputT,VectorT,ValueT> - Class in com.spotify.zoltar.metrics.semantic

Semantic metric implementation for the PredictorMetrics.

SemanticPredictorMetrics() - Constructor for class com.spotify.zoltar.metrics.semantic.SemanticPredictorMetrics

SemanticVectorMetrics<InputT,ValueT> - Class in com.spotify.zoltar.metrics.semantic

Semantic metric implementation for the VectorMetrics.

SemanticVectorMetrics() - Constructor for class com.spotify.zoltar.metrics.semantic.SemanticVectorMetrics

settingsUri() - Method in class com.spotify.zoltar.examples.apollo.ModelConfig

settings URI path.

sparseDoubles(FeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as DoubleSparseArray.

sparseDoubles(JFeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as DoubleSparseArray.

sparseFloats(FeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as FloatSparseArray.

sparseFloats(JFeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as FloatSparseArray.

sparseLabeledPoints(FeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as SparseLabeledPoint.

sparseLabeledPoints(JFeatureSpec<InputT>, String) - Static method in class com.spotify.zoltar.featran.FeatranExtractFns

Extract features as SparseLabeledPoint.

start() - Static method in class ml.dmlc.xgboost4j.java.GompLoader

The entry to to load the GOMP library.

stringValue() - Method in class com.spotify.zoltar.tf.JTensor

String value of the underlying Tensor, if DataType is STRING and JTensor.numDimensions() is 0.

T

tag() - Method in enum com.spotify.zoltar.metrics.semantic.What

tags(List<String>) - Method in class com.spotify.zoltar.tf.TensorFlowModel.Options.Builder

tags() - Method in class com.spotify.zoltar.tf.TensorFlowModel.Options

Returns a list of Tags, see tags.

tensorFlow(String) - Static method in class com.spotify.zoltar.Models

Returns a TensorFlow model loader based on a saved model.

tensorFlow(Model.Id, String) - Static method in class com.spotify.zoltar.Models

Returns a TensorFlow model loader based on a saved model.

tensorFlow(String, TensorFlowModel.Options) - Static method in class com.spotify.zoltar.Models

Returns a TensorFlow model loader based on a saved model.

tensorFlow(Model.Id, String, TensorFlowModel.Options) - Static method in class com.spotify.zoltar.Models

Returns a TensorFlow model loader based on a saved model.

tensorFlow(String, FeatureExtractFns.ExtractFn<InputT, Example>, Function<Map<String, JTensor>, ValueT>, String...) - Static method in class com.spotify.zoltar.Predictors

Returns a TensorFlow Predictor.

tensorFlow(String, FeatureExtractFns.ExtractFn<InputT, Example>, Function<Map<String, JTensor>, ValueT>, String[], PredictorMetrics) - Static method in class com.spotify.zoltar.Predictors

Returns a TensorFlow Predictor.

tensorFlow(String, FeatureExtractor<TensorFlowModel, InputT, Example>, Function<Map<String, JTensor>, ValueT>, String...) - Static method in class com.spotify.zoltar.Predictors

Returns a TensorFlow Predictor.

tensorFlow(String, FeatureExtractor<TensorFlowModel, InputT, Example>, Function<Map<String, JTensor>, ValueT>, String[], PredictorMetrics) - Static method in class com.spotify.zoltar.Predictors

Returns a TensorFlow Predictor.

TensorFlowExtras - Class in com.spotify.zoltar.tf

TensorFlow utilities and extras.

tensorFlowGraph(String, ConfigProto, String) - Static method in class com.spotify.zoltar.Models

Returns a TensorFlow model loader based on a serialized TensorFlow Graph.

tensorFlowGraph(Model.Id, String, ConfigProto, String) - Static method in class com.spotify.zoltar.Models

Returns a TensorFlow model loader based on a serialized TensorFlow Graph.

tensorFlowGraph(byte[], ConfigProto, String) - Static method in class com.spotify.zoltar.Models

Returns a TensorFlow model loader based on a serialized TensorFlow Graph.

tensorFlowGraph(Model.Id, byte[], ConfigProto, String) - Static method in class com.spotify.zoltar.Models

Returns a TensorFlow model loader based on a serialized TensorFlow Graph.

TensorFlowGraphLoader - Interface in com.spotify.zoltar.tf

TensorFlowGraphModel loader.

TensorFlowGraphModel - Class in com.spotify.zoltar.tf

This model can be used to load protobuf definition of a TensorFlow Graph.

TensorFlowGraphModel() - Constructor for class com.spotify.zoltar.tf.TensorFlowGraphModel

TensorFlowLoader - Interface in com.spotify.zoltar.tf

TensorFlowModel loader.

TensorFlowModel - Class in com.spotify.zoltar.tf

This model can be used to load TensorFlow SavedModelBundle model.

TensorFlowModel() - Constructor for class com.spotify.zoltar.tf.TensorFlowModel

TensorFlowModel.Options - Class in com.spotify.zoltar.tf

Value class for our TensorFlow options.

TensorFlowModel.Options.Builder - Class in com.spotify.zoltar.tf

Builder for enclosing Options.

TensorFlowPredictFn<InputT,VectorT,ValueT> - Interface in com.spotify.zoltar.tf

TensorFlow flavor of PredictFns.AsyncPredictFn using TensorFlowModel.

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.tf.JTensor

Value of the underlying Tensor, lets the caller take care of typing.

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

Result of the feature extraction.

valueOf(String) - Static method in enum com.spotify.zoltar.metrics.semantic.What

Returns the enum constant of this type with the specified name.

values() - Static method in enum com.spotify.zoltar.metrics.semantic.What

Returns an array containing the constants of this enum type, in the order they are declared.

values() - Method in class com.spotify.zoltar.mlengine.MlEngineModel.Response.Predictions

List of predictions.

values(Class<T>) - Method in class com.spotify.zoltar.mlengine.MlEngineModel.Response.Predictions

List of predictions.

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

Value class for feature extraction result.

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

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

Defines an interface for how to collect vector statistics.

W

What - Enum in com.spotify.zoltar.metrics.semantic

Enumerates the metrics tracked, keyed by the 'what' tag.

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

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

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

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

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

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

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

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

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

X

xgboost(String) - Static method in class com.spotify.zoltar.Models

Returns a XGBoost model loader given the serialized model stored in the model URI.

xgboost(Model.Id, String) - Static method in class com.spotify.zoltar.Models

Returns a XGBoost model loader given the serialized model stored in the model URI.

XGBoostLoader - Interface in com.spotify.zoltar.xgboost

XGBoostModel loader.

XGBoostModel - Class in com.spotify.zoltar.xgboost

XGBoost model.

XGBoostModel() - Constructor for class com.spotify.zoltar.xgboost.XGBoostModel

XGBoostPredictFn<InputT,VectorT,ValueT> - Interface in com.spotify.zoltar.xgboost

XGBoost flavor of PredictFns.AsyncPredictFn using XGBoostModel.

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