com.github.gwtd3.api.functions

Class CountFunction

java.lang.Object

com.github.gwtd3.api.functions.CountFunction

All Implemented Interfaces:

DatumFunction<Void>

public class CountFunction
extends Object
implements DatumFunction<Void>

A DatumFunction that counts something, mainly used as a debugging purpose in Selection.each(DatumFunction) method.

You may override the #takeIntoAccount(Element, Datum, int) to change when the count is incremented.

Author:

Anthony Schiochet

Constructor Summary

Constructors

Constructor and Description
CountFunction()

Method Summary

Methods

Modifier and Type	Method and Description
Void	apply(com.google.gwt.dom.client.Element context, Value d, int index) Apply the function for the given Element at the specified index of the Selection mapped to the given Datum.
int	getCount()
CountFunction	reset()

Methods inherited from class java.lang.Object

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

Constructor Detail

CountFunction

public CountFunction()

Method Detail

apply

public Void apply(com.google.gwt.dom.client.Element context,
         Value d,
         int index)

Description copied from interface: DatumFunction

Apply the function for the given Element at the specified index of the Selection mapped to the given Datum.

Note that if no datum is mapped to the element, Datum#isUndefined() will return true.

Specified by:

apply in interface DatumFunction<Void>

Parameters:

context - the current element, may be irrelevant or null in some context.

d - the datum

index - the index of the element in the selection

Returns:

a result to be applied

getCount

public int getCount()

reset

public CountFunction reset()