Package com.guinetik.hexafun.hexa

Class UseCaseValidationStep<I>

java.lang.Object

com.guinetik.hexafun.hexa.UseCaseValidationStep<I>

Type Parameters:

I - The input type of the use case

public class UseCaseValidationStep<I>
extends Object

Builder step for defining validation and handler logic.

Supports chaining multiple validators that execute in order:

 .useCase(Keys.ADD)
     .validate(Validators::validateCounter)
     .validate(Validators::validateAmount)
     .handle(input -> ...)
 

Constructor Summary

Constructors

Constructor	Description
UseCaseValidationStep(String name, UseCaseBuilder builder, ValidationPort<I> validator)

Method Summary

Modifier and Type	Method	Description
<O> UseCaseBuilder	handle(UseCase<I,Result<O>> handler)	Define the handler that runs after all validators pass.
UseCaseValidationStep<I>	validate(ValidationPort<I> validator)	Add another validator to the chain.

Methods inherited from class java.lang.Object

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

Constructor Details

UseCaseValidationStep

public UseCaseValidationStep(String name,
 UseCaseBuilder builder,
 ValidationPort<I> validator)

Method Details

validate

public UseCaseValidationStep<I> validate(ValidationPort<I> validator)

Add another validator to the chain. Validators execute in order; first failure short-circuits.

Parameters:

validator - The next validation port

Returns:

This step for further chaining

handle

public <O> UseCaseBuilder handle(UseCase<I,Result<O>> handler)

Define the handler that runs after all validators pass.

Type Parameters:

O - The output type of the handler

Parameters:

handler - The use case logic that processes the validated input

Returns:

The builder for chaining more use cases