Package org.apache.commons.io.function
Interface IOQuadFunction<T,U,V,W,R>
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- Type Parameters:
T
- the type of the first argument to the functionU
- the type of the second argument to the functionV
- the type of the third argument to the functionW
- the type of the fourth argument to the functionR
- the type of the result of the function
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface IOQuadFunction<T,U,V,W,R>
Represents a function that accepts four arguments and produces a result. This is the four-arity specialization ofIOFunction
.This is a functional interface whose functional method is
apply(Object, Object, Object, Object)
.- Since:
- 2.12.0
- See Also:
Function
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Method Summary
All Methods Instance Methods Abstract Methods Default Methods Modifier and Type Method Description default <X> IOQuadFunction<T,U,V,W,X>
andThen(IOFunction<? super R,? extends X> after)
Creates a composed function that first applies this function to its input, and then applies theafter
function to the result.R
apply(T t, U u, V v, W w)
Applies this function to the given arguments.
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Method Detail
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andThen
default <X> IOQuadFunction<T,U,V,W,X> andThen(IOFunction<? super R,? extends X> after)
Creates a composed function that first applies this function to its input, and then applies theafter
function to the result. If evaluation of either function throws an exception, it is relayed to the caller of the composed function.- Type Parameters:
X
- the type of output of theafter
function, and of the composed function- Parameters:
after
- the function to apply after this function is applied- Returns:
- a composed function that first applies this function and then applies the
after
function - Throws:
java.lang.NullPointerException
- if after is null
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apply
R apply(T t, U u, V v, W w) throws java.io.IOException
Applies this function to the given arguments.- Parameters:
t
- the first function argumentu
- the second function argumentv
- the third function argumentw
- the fourth function argument- Returns:
- the function result
- Throws:
java.io.IOException
- if an I/O error occurs.
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