com.aol.cyclops.validation

Class Validator<T,R,E>

java.lang.Object

com.aol.cyclops.validation.Validator<T,R,E>

Type Parameters:

T -

R -

E -

public class Validator<T,R,E>
extends java.lang.Object

Class that represents a Lazy Validation

Constructor Summary

Constructors

Constructor and Description
Validator()

Method Summary

Modifier and Type	Method and Description
static <T,R,E> Validator<T,R,E>	convert(<any> validation) Convert a FunctionalJava Validation result to a Cyclops Validator instance
CumulativeValidator<T,R,E>	cumulative()
boolean	isValid(T input)
static <T,R,E> Validator<T,R,E>	of(java.util.function.Predicate<T> valid, E error, R result) Construct a Validator

Methods inherited from class java.lang.Object

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

Constructor Detail

Validator

public Validator()

Method Detail

of

public static <T,R,E> Validator<T,R,E> of(java.util.function.Predicate<T> valid,
                                          E error,
                                          R result)

Construct a Validator

  
 	ValidationResults<String,String> results  = CumulativeValidator.of((User user)->user.age>18, "too young", "age ok")
												.add(Validator.of((User user)->user.email!=null, "user email null","email ok"))
												.accumulate(new User(10,"email@email.com"));
	
		assertThat(results.getResults().size(),equalTo(2));
 
 

Parameters:

valid - Validation Predicate to check

error - Error to return if validation predicate fails

result - Result to return if validation predicate succeeds

Returns:

Validator

convert

public static <T,R,E> Validator<T,R,E> convert(<any> validation)

Convert a FunctionalJava Validation result to a Cyclops Validator instance

Parameters:

validation - FunctionalJava Validation result to convert

Returns:

Cyclops Validator

isValid

public boolean isValid(T input)

Parameters:

input - to test validation against

Returns:

true if valid

cumulative

public CumulativeValidator<T,R,E> cumulative()

Returns:

A CumulativeValidator containing this Validator