Package com.yubico.yubikit.core.util

Class Result<T,E extends Throwable>

java.lang.Object

com.yubico.yubikit.core.util.Result<T,E>

Type Parameters:

T - the type of the wrapped value

E - the type of the exception thrown

public class Result<T,E extends Throwable>
extends Object

Result value, wrapping a T (if successful) or an Exception (if failed).

Method Summary

Modifier and Type	Method	Description
static <T, E extends Throwable> Result<T,E>	failure(E error)	Constructs a Result for an Exception (failure).
T	getValue()	Gets the held value, if the Result is successful, or throws the error on failure.
boolean	isError()	Checks if the Result is a failure.
boolean	isSuccess()	Checks if the Result is successful.
static <T> Result<T,Exception>	of(Callable<T> call)	Runs the given callable, creating a Result of its value, if run successfully, or its Exception.
static <T, E extends Throwable> Result<T,E>	success(T value)	Constructs a Result for a value (success).

Methods inherited from class java.lang.Object

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

Method Details

getValue

public T getValue()
           throws E

Gets the held value, if the Result is successful, or throws the error on failure.

Returns:

the held value on success

Throws:

E - the held exception on failure

isSuccess

public boolean isSuccess()

Checks if the Result is successful.

isError

public boolean isError()

Checks if the Result is a failure.

success

public static <T,
E extends Throwable> Result<T,E> success(T value)

Constructs a Result for a value (success).

Parameters:

value - the value to hold

failure

public static <T,
E extends Throwable> Result<T,E> failure(E error)

Constructs a Result for an Exception (failure).

Parameters:

error - the error to hold

of

public static <T> Result<T,Exception> of(Callable<T> call)

Runs the given callable, creating a Result of its value, if run successfully, or its Exception.

Parameters:

call - callable to invoke, resulting in a value