Class FunctionUtils

java.lang.Object

org.junit.platform.commons.util.FunctionUtils

@API(status=INTERNAL,
     since="1.0")
public final class FunctionUtils
extends Object

Collection of utilities for working with Functions, Predicates, etc.

DISCLAIMER

These utilities are intended solely for usage within the JUnit framework itself. Any usage by external parties is not supported. Use at your own risk!

Since:

1.0

Method Summary

Modifier and Type	Method	Description
static <T extends @Nullable Object, V extends @Nullable Object> Predicate<T>	where(Function<T,V> function, Predicate<? super V> predicate)	Return a predicate that first applies the specified function and then tests the specified predicate against the result of the function.

Methods inherited from class java.lang.Object

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

Method Details

where

public static <T extends @Nullable Object, V extends @Nullable Object>
Predicate<T> where(Function<T,V> function,
 Predicate<? super V> predicate)

Return a predicate that first applies the specified function and then tests the specified predicate against the result of the function.

Parameters:

function - the function to apply

predicate - the predicate to test against the result of the function