Package com.pivovarit.function
Interface ThrowingFunction<T,R,E extends Exception>
- Type Parameters:
T
- the type of the input to the functionR
- the type of the result of the functionE
- the type of the thrown checked exception
- All Known Subinterfaces:
ThrowingUnaryOperator<T,
E>
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
Represents a function that accepts one argument and returns a value;
Function might throw a checked exception instance.
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Method Summary
Modifier and TypeMethodDescriptiondefault <V> ThrowingFunction
<T, V, E> andThen
(ThrowingFunction<? super R, ? extends V, ? extends E> after) default <V> ThrowingFunction
<V, R, E> compose
(ThrowingFunction<? super V, ? extends T, ? extends E> before) lift()
lifted
(ThrowingFunction<T, R, ?> f) static <T1,
R> Function <T1, R> sneaky
(ThrowingFunction<? super T1, ? extends R, ?> function) uncheck()
static <T,
R> Function <T, R> unchecked
(ThrowingFunction<T, R, ?> f)
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Method Details
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apply
- Throws:
E
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lifted
- Returns:
- a Function that returns the result of the given function as an Optional instance. In case of a failure, empty Optional is returned
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unchecked
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sneaky
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compose
default <V> ThrowingFunction<V,R, composeE> (ThrowingFunction<? super V, ? extends T, ? extends E> before) -
andThen
default <V> ThrowingFunction<T,V, andThenE> (ThrowingFunction<? super R, ? extends V, ? extends E> after) -
lift
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uncheck
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