Package uk.gov.gchq.gaffer.spark.operation.dataframe.converter.property.impl

Class FreqMapConverter

java.lang.Object

uk.gov.gchq.gaffer.spark.operation.dataframe.converter.property.impl.FreqMapConverter

All Implemented Interfaces:

Serializable, Converter

public class FreqMapConverter
extends Object
implements Converter

A Converter that converts a FreqMap into a Scala map that is suitable for inclusion in a Dataframe.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
FreqMapConverter()

Method Summary

Modifier and Type	Method	Description
boolean	canHandle(Class clazz)	Enables checking whether the converter can convert a particular class.
scala.collection.mutable.Map<String,Long>	convert(Object object)	Request that the Serialisation serialises some object and returns the raw bytes of the serialised form.
org.apache.spark.sql.types.DataType	convertedType()	Returns the DataType indicating the type of the object that results from the conversion.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FreqMapConverter

public FreqMapConverter()

Method Detail

canHandle

public boolean canHandle(Class clazz)

Description copied from interface: Converter

Enables checking whether the converter can convert a particular class.

Specified by:

canHandle in interface Converter

Parameters:

clazz - the class of the object to convert

Returns:

boolean true if it can be handled

convertedType

public org.apache.spark.sql.types.DataType convertedType()

Description copied from interface: Converter

Returns the DataType indicating the type of the object that results from the conversion.

Specified by:

convertedType in interface Converter

Returns:

DataType the DataType corresponding to the class that the object will be converted to.

convert

public scala.collection.mutable.Map<String,Long> convert(Object object)
                                                        throws ConversionException

Description copied from interface: Converter

Request that the Serialisation serialises some object and returns the raw bytes of the serialised form.

Specified by:

convert in interface Converter

Parameters:

object - the object to be serialised

Returns:

Object the converted object

Throws:

ConversionException - if the conversion of the object fails