org.tribuo.data.columnar.extractors

Class OffsetDateTimeExtractor

java.lang.Object

org.tribuo.data.columnar.extractors.SimpleFieldExtractor<OffsetDateTime>

org.tribuo.data.columnar.extractors.OffsetDateTimeExtractor

All Implemented Interfaces:

com.oracle.labs.mlrg.olcut.config.Configurable, com.oracle.labs.mlrg.olcut.provenance.Provenancable<com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance>, FieldExtractor<OffsetDateTime>

public class OffsetDateTimeExtractor
extends SimpleFieldExtractor<OffsetDateTime>

Extracts the field value and translates it to an OffsetDateTime based on the specified DateTimeFormatter.

The formatter is supplied as a String to ensure it is tracked properly in the provenance.

Returns an empty optional if the date failed to parse.

Field Summary

Fields inherited from class org.tribuo.data.columnar.extractors.SimpleFieldExtractor

fieldName, metadataName

Constructor Summary

Constructors

Constructor and Description
OffsetDateTimeExtractor(String fieldName, String metadataName, String dateTimeFormat) Constructs a date time extractor that emits an OffsetDateTime by applying the supplied format to the specified field.

Method Summary

Modifier and Type	Method and Description
protected Optional<OffsetDateTime>	extractField(String s) Extracts the field value, or returns Optional.empty() if it failed to parse.
com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance	getProvenance()
Class<OffsetDateTime>	getValueType() Gets the class of the value produced by this extractor.
void	postConfig() Used by the OLCUT configuration system, and should not be called by external code.
String	toString()

Methods inherited from class org.tribuo.data.columnar.extractors.SimpleFieldExtractor

extract, getFieldName, getMetadataName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

OffsetDateTimeExtractor

public OffsetDateTimeExtractor(String fieldName,
                               String metadataName,
                               String dateTimeFormat)

Constructs a date time extractor that emits an OffsetDateTime by applying the supplied format to the specified field.

Parameters:

fieldName - The field to read.

metadataName - The metadata field to write.

dateTimeFormat - The date/time format (supplied to DateTimeFormatter.

Method Detail

postConfig

public void postConfig()

Used by the OLCUT configuration system, and should not be called by external code.

Specified by:

postConfig in interface com.oracle.labs.mlrg.olcut.config.Configurable

Overrides:

postConfig in class SimpleFieldExtractor<OffsetDateTime>

getValueType

public Class<OffsetDateTime> getValueType()

Description copied from interface: FieldExtractor

Gets the class of the value produced by this extractor.

Returns:

The class of the value.

extractField

protected Optional<OffsetDateTime> extractField(String s)

Description copied from class: SimpleFieldExtractor

Extracts the field value, or returns Optional.empty() if it failed to parse.

Specified by:

extractField in class SimpleFieldExtractor<OffsetDateTime>

Parameters:

s - The field value to read.

Returns:

The extracted value.

toString

public String toString()

Overrides:

toString in class SimpleFieldExtractor<OffsetDateTime>

getProvenance

public com.oracle.labs.mlrg.olcut.provenance.ConfiguredObjectProvenance getProvenance()