Package org.aksw.commons.beans.model

Class PropertyUtils

java.lang.Object

org.aksw.commons.beans.model.PropertyUtils

public class PropertyUtils
extends Object

Utility methods for applying defaults to properties

Author:

Claus Stadler

Constructor Summary

Constructors

Constructor	Description
PropertyUtils()

Method Summary

Modifier and Type	Method	Description
static <T> T	applyIfAbsent(Consumer<? super T> targetSetter, Supplier<? extends T> targetGetter, Supplier<? extends T> valueGetter)	If targetGetter yields null, invoke the targetSetter with the valueGetter's result.
static <T> T	applyIfAbsent(Function<? super T,?> targetSetter, Supplier<? extends T> targetGetter, Supplier<? extends T> valueGetter)	If targetGetter yields null, invoke the targetSetter with the valueGetter's result.
static <T> T	applyIfPresent(ThrowingConsumer<? super T> setter, ThrowingSupplier<? extends T> getter)	Invoke the setter with the getter's value - unless the getter returns null.
static <T> T	applyIfPresent(ThrowingFunction<? super T,?> setter, ThrowingSupplier<? extends T> getter)

Methods inherited from class java.lang.Object

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

Constructor Details

PropertyUtils

public PropertyUtils()

Method Details

applyIfPresent

public static <T> T applyIfPresent(ThrowingConsumer<? super T> setter,
 ThrowingSupplier<? extends T> getter)

Invoke the setter with the getter's value - unless the getter returns null.

Parameters:

setter -

getter -

Returns:

applyIfPresent

public static <T> T applyIfPresent(ThrowingFunction<? super T,?> setter,
 ThrowingSupplier<? extends T> getter)

applyIfAbsent

public static <T> T applyIfAbsent(Consumer<? super T> targetSetter,
 Supplier<? extends T> targetGetter,
 Supplier<? extends T> valueGetter)

If targetGetter yields null, invoke the targetSetter with the valueGetter's result.

Parameters:

targetSetter -

targetGetter -

valueGetter -

Returns:

applyIfAbsent

public static <T> T applyIfAbsent(Function<? super T,?> targetSetter,
 Supplier<? extends T> targetGetter,
 Supplier<? extends T> valueGetter)

If targetGetter yields null, invoke the targetSetter with the valueGetter's result.

Parameters:

targetSetter -

targetGetter -

valueGetter -

Returns: