Uses of Interface
org.tribuo.data.columnar.FieldExtractor

Packages that use FieldExtractor

Package	Description
org.tribuo.data.columnar	Provides classes for processing columnar data and generating Examples.
org.tribuo.data.columnar.extractors	Provides implementations of FieldExtractor.

Uses of FieldExtractor in org.tribuo.data.columnar

Fields in org.tribuo.data.columnar declared as FieldExtractor

Modifier and Type	Field	Description
protected FieldExtractor<Float>	RowProcessor.weightExtractor	The extractor for the example weight.

Methods in org.tribuo.data.columnar with parameters of type FieldExtractor

Modifier and Type	Method	Description
RowProcessor.Builder<T>	RowProcessor.Builder.addMetadataExtractor(FieldExtractor<?> metadataExtractor)	Add a single metadata extractor to the builder.
RowProcessor.Builder<T>	RowProcessor.Builder.setWeightExtractor(FieldExtractor<Float> weightExtractor)	If set, the constructed RowProcessor will add the extracted floats into the Example.setWeight(float)s.

Method parameters in org.tribuo.data.columnar with type arguments of type FieldExtractor

Modifier and Type	Method	Description
RowProcessor.Builder<T>	RowProcessor.Builder.setMetadataExtractors(List<FieldExtractor<?>> metadataExtractors)	If set, the supplied FieldExtractors will be run for each example, populating Example.getMetadata().

Constructors in org.tribuo.data.columnar with parameters of type FieldExtractor

Modifier	Constructor	Description
	RowProcessor(List<FieldExtractor<?>> metadataExtractors, FieldExtractor<Float> weightExtractor, ResponseProcessor<T> responseProcessor, Map<String,FieldProcessor> fieldProcessorMap, Map<String,FieldProcessor> regexMappingProcessors, Set<FeatureProcessor> featureProcessors)	Deprecated. Prefer RowProcessor.Builder to many-argument constructors
	RowProcessor(List<FieldExtractor<?>> metadataExtractors, FieldExtractor<Float> weightExtractor, ResponseProcessor<T> responseProcessor, Map<String,FieldProcessor> fieldProcessorMap, Map<String,FieldProcessor> regexMappingProcessors, Set<FeatureProcessor> featureProcessors, boolean replaceNewlinesWithSpaces)	Deprecated. Prefer RowProcessor.Builder to many-argument constructors
	RowProcessor(List<FieldExtractor<?>> metadataExtractors, FieldExtractor<Float> weightExtractor, ResponseProcessor<T> responseProcessor, Map<String,FieldProcessor> fieldProcessorMap, Set<FeatureProcessor> featureProcessors)	Deprecated. Prefer RowProcessor.Builder to many-argument constructors

Constructor parameters in org.tribuo.data.columnar with type arguments of type FieldExtractor

Modifier	Constructor	Description
	RowProcessor(List<FieldExtractor<?>> metadataExtractors, FieldExtractor<Float> weightExtractor, ResponseProcessor<T> responseProcessor, Map<String,FieldProcessor> fieldProcessorMap, Map<String,FieldProcessor> regexMappingProcessors, Set<FeatureProcessor> featureProcessors)	Deprecated. Prefer RowProcessor.Builder to many-argument constructors
	RowProcessor(List<FieldExtractor<?>> metadataExtractors, FieldExtractor<Float> weightExtractor, ResponseProcessor<T> responseProcessor, Map<String,FieldProcessor> fieldProcessorMap, Map<String,FieldProcessor> regexMappingProcessors, Set<FeatureProcessor> featureProcessors, boolean replaceNewlinesWithSpaces)	Deprecated. Prefer RowProcessor.Builder to many-argument constructors
	RowProcessor(List<FieldExtractor<?>> metadataExtractors, FieldExtractor<Float> weightExtractor, ResponseProcessor<T> responseProcessor, Map<String,FieldProcessor> fieldProcessorMap, Set<FeatureProcessor> featureProcessors)	Deprecated. Prefer RowProcessor.Builder to many-argument constructors
	RowProcessor(List<FieldExtractor<?>> metadataExtractors, ResponseProcessor<T> responseProcessor, Map<String,FieldProcessor> fieldProcessorMap)	Deprecated. Prefer RowProcessor.Builder to many-argument constructors

Uses of FieldExtractor in org.tribuo.data.columnar.extractors

Classes in org.tribuo.data.columnar.extractors that implement FieldExtractor

Modifier and Type	Class	Description
class	DateExtractor	Extracts the field value and translates it to a LocalDate based on the specified DateTimeFormatter.
class	DoubleExtractor	Extracts the field value and converts it to a double.
class	FloatExtractor	Extracts the field value and converts it to a float.
class	IdentityExtractor	Extracts the field value and emits it as a String.
class	IndexExtractor	An Extractor with special casing for loading the index from a Row.
class	IntExtractor	Extracts the field value and converts it to a int.
class	OffsetDateTimeExtractor	Extracts the field value and translates it to an OffsetDateTime based on the specified DateTimeFormatter.
class	SimpleFieldExtractor<T>	Extracts a value from a single field to be placed in an Example's metadata field.