com.iamsoft.util.ui.javafx.collections.reduction

Class ObservableSum<T>

java.lang.Object

javafx.beans.value.ObservableValueBase<T>

com.iamsoft.util.ui.javafx.collections.reduction.ObservableSum<T>

Type Parameters:

T - Item type.

All Implemented Interfaces:

javafx.beans.Observable, javafx.beans.value.ObservableValue<T>

public class ObservableSum<T>
extends javafx.beans.value.ObservableValueBase<T>

Sums items in a list.

Constructor Summary

Constructors

Constructor and Description
ObservableSum(javafx.collections.ObservableList<? extends T> pList, T pIdentity, BinaryOperator<T> pAddFunction, UnaryOperator<T> pNegateFunction) Incrementally update after each change.

Method Summary

Modifier and Type	Method and Description
T	getValue()

Methods inherited from class javafx.beans.value.ObservableValueBase

addListener, addListener, fireValueChangedEvent, removeListener, removeListener

Methods inherited from class java.lang.Object

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

Constructor Detail

ObservableSum

public ObservableSum(javafx.collections.ObservableList<? extends T> pList,
                     T pIdentity,
                     BinaryOperator<T> pAddFunction,
                     UnaryOperator<T> pNegateFunction)

Incrementally update after each change.

Method Detail

getValue

public T getValue()