tech.tablesaw.aggregate

Class DateTimeAggregateFunction

java.lang.Object

tech.tablesaw.aggregate.AggregateFunction<DateTimeColumn,LocalDateTime>

tech.tablesaw.aggregate.DateTimeAggregateFunction

public abstract class DateTimeAggregateFunction
extends AggregateFunction<DateTimeColumn,LocalDateTime>

A partial implementation of aggregate functions to summarize over a dateTime column

Constructor Summary

Constructors

Constructor and Description
DateTimeAggregateFunction(String name)

Method Summary

Modifier and Type	Method and Description
boolean	isCompatibleColumn(ColumnType type)
ColumnType	returnType()
abstract LocalDateTime	summarize(DateTimeColumn column)

Methods inherited from class tech.tablesaw.aggregate.AggregateFunction

functionName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DateTimeAggregateFunction

public DateTimeAggregateFunction(String name)

Method Detail

summarize

public abstract LocalDateTime summarize(DateTimeColumn column)

Specified by:

summarize in class AggregateFunction<DateTimeColumn,LocalDateTime>

isCompatibleColumn

public boolean isCompatibleColumn(ColumnType type)

Specified by:

isCompatibleColumn in class AggregateFunction<DateTimeColumn,LocalDateTime>

returnType

public ColumnType returnType()

Specified by:

returnType in class AggregateFunction<DateTimeColumn,LocalDateTime>