com.aol.cyclops2.types

Interface Visitable<T>

Type Parameters:

T - Data type of element stored in this Visitable

All Known Subinterfaces:

AnyMValue<W,T>, Convertable<T>, Either<ST,PT>, Either3<LT1,LT2,RT>, Either4<LT1,LT2,LT3,RT>, Either5<LT1,LT2,LT3,LT4,RT>, Eval<T>, Ior<ST,PT>, Maybe<T>, MonadicValue<T>, Trampoline<T>, Try<T,X>, Value<T>, Xor<ST,PT>

All Known Implementing Classes:

Convertable.SupplierToConvertable, Either.Lazy, Either.Left, Either.Right, Either3.Lazy, Either3.Left1, Either3.Left2, Either3.Right, Either4.Lazy, Either4.Left1, Either4.Left2, Either4.Left3, Either4.Right, Either5.Lazy, Either5.Left1, Either5.Left2, Either5.Left3, Either5.Left4, Either5.Right, Eval.Module.Always, Eval.Module.Later, Future, Ior.Both, Ior.Primary, Ior.Secondary, Maybe.Just, Maybe.Lazy, Maybe.Nothing, Try.Failure, Try.Success, Value.ValueImpl, ValueSubscriber, Xor.Primary, Xor.Secondary

public interface Visitable<T>

Data type that may contain a single visitable element

Method Summary

Modifier and Type	Method and Description
<R> R	visit(java.util.function.Function<? super T,? extends R> present, java.util.function.Supplier<? extends R> absent) The provided function is executed with the value stored in this Visitable if one is present, otherwise the provided Supplier is executed instead.

Method Detail

visit

<R> R visit(java.util.function.Function<? super T,? extends R> present,
            java.util.function.Supplier<? extends R> absent)

The provided function is executed with the value stored in this Visitable if one is present, otherwise the provided Supplier is executed instead.

Parameters:

present - Function to execute if this Visitable has a value

absent - Supplier to execute if this Visitable does not have a Value

Returns:

Result of the executed Function or Supplier