com.aol.cyclops.matcher

Class EmptyCase<T,R>

java.lang.Object

com.aol.cyclops.matcher.EmptyCase<T,R>

Type Parameters:

T - Input type

R - Return type

All Implemented Interfaces:

Case<T,R,java.util.function.Function<T,R>>

public final class EmptyCase<T,R>
extends java.lang.Object
implements Case<T,R,java.util.function.Function<T,R>>

Represents an empty pattern matching case

Constructor Summary

Constructors

Constructor and Description
EmptyCase()

Method Summary

Modifier and Type	Method and Description
Two<java.util.function.Predicate<T>,java.util.function.Function<T,R>>	get()
java.util.Optional<R>	match(T value) Match against the supplied value.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.aol.cyclops.matcher.Case

and, andOfType, andOfValue, andThen, andThen, andThenFunction, andWithValues, compose, composeAnd, composeFunction, composeOr, empty, filter, flatMap, getAction, getPredicate, isEmpty, isNotEmpty, map, mapFunction, mapPredicate, matchAsync, negate, negate, of, of, or, or

Constructor Detail

EmptyCase

public EmptyCase()

Method Detail

match

public java.util.Optional<R> match(T value)

Description copied from interface: Case

Match against the supplied value. Value will be passed into the current predicate If it passes / holds, value will be passed to the current function. The result of function application will be returned wrapped in an Optional. If the predicate does not hold, Optional.empty() is returned.

Specified by:

match in interface Case<T,R,java.util.function.Function<T,R>>

Parameters:

value - To match against

Returns:

Optional.empty if doesn't match, result of the application of current function if it does wrapped in an Optional

get

public Two<java.util.function.Predicate<T>,java.util.function.Function<T,R>> get()

Specified by:

get in interface Case<T,R,java.util.function.Function<T,R>>

Returns:

Pattern for this case