Package io.openems.edge.common.channel.calculate

Class CalculateIntegerSum

java.lang.Object

io.openems.edge.common.channel.calculate.CalculateIntegerSum

public class CalculateIntegerSum
extends Object

Helper class to sum up Integer-Channels.

Field Summary

Fields

Modifier and Type	Field	Description
static final Function<Integer,Integer>	DIRECT_CONVERTER
static final Function<Integer,Integer>	DIVIDE_BY_THREE

Constructor Summary

Constructors

Constructor	Description
CalculateIntegerSum()

Method Summary

Modifier and Type	Method	Description
void	addValue(Channel<Integer> channel)	Adds a Channel-Value.
void	addValue(Channel<Integer> channel, Function<Integer,Integer> converter)	Adds a Channel-Value.
Integer	calculate()	Calculates the sum.

Methods inherited from class java.lang.Object

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

Field Details

DIRECT_CONVERTER

public static final Function<Integer,Integer> DIRECT_CONVERTER

DIVIDE_BY_THREE

public static final Function<Integer,Integer> DIVIDE_BY_THREE

Constructor Details

CalculateIntegerSum

public CalculateIntegerSum()

Method Details

addValue

public void addValue(Channel<Integer> channel)

Adds a Channel-Value.

Parameters:

channel - the Channel

addValue

public void addValue(Channel<Integer> channel,
 Function<Integer,Integer> converter)

Adds a Channel-Value.

Parameters:

channel - the Channel

converter - is applied to the channel value

calculate

public Integer calculate()
                  throws NoSuchElementException

Calculates the sum.

Returns:

the sum or null

Throws:

NoSuchElementException - on error