public class Try<A>
Representation of an operation that has either succeeded with a result (represented by class Try.Success
) or failed with an
exception (represented by class Try.Failure
).
class Try.Success
,
class Try.Failure
public boolean isFailure()
Returns true
iff the class Try
is a class Try.Success
.
class Try
,
class Try.Success
public boolean isSuccess()
Returns true
iff the class Try
is a class Try.Failure
.
class Try
,
class Try.Failure
public A getOrThrow()
Returns the value if a class Try.Success
otherwise throws the exception if a class Try.Failure
.
class Try.Success
,
class Try.Failure
@NotNull public Try<A> throwError()
If this is a class Try.Failure
wrapping an Error then throw it, otherwise return this
for chaining.
class Try.Failure
,
Error@NotNull public <B> Try<B> map(@NotNull kotlin.jvm.functions.Function1<? super A,? extends B> function)
Maps the given function to the value from this class Try.Success
, or returns this
if this is a class Try.Failure
.
class Try.Success
,
class Try.Failure
@NotNull public <B> Try<B> flatMap(@NotNull kotlin.jvm.functions.Function1<? super A,? extends net.corda.core.utilities.Try<? extends B>> function)
Returns the given function applied to the value from this class Try.Success
, or returns this
if this is a class Try.Failure
.
class Try.Success
,
class Try.Failure
@NotNull public <B,C> Try<C> combine(@NotNull Try<? extends B> other, @NotNull kotlin.jvm.functions.Function2<? super A,? super B,? extends C> function)
Maps the given function to the values from this class Try.Success
and other
, or returns this
if this is a class Try.Failure
or other
if other
is a class Try.Failure
.
class Try.Success
,
other
,
class Try.Failure
,
other
,
other
,
class Try.Failure
@NotNull public Try<A> doOnSuccess(@NotNull java.util.function.Consumer<? super A> action)
Applies the given action to the value if class Try.Success
, or does nothing if class Try.Failure
. Returns this
for chaining.
class Try.Success
,
class Try.Failure
@NotNull public Try<A> doOnFailure(@NotNull java.util.function.Consumer<java.lang.Throwable> action)
Applies the given action to the error if class Try.Failure
, or does nothing if class Try.Success
. Returns this
for chaining.
class Try.Failure
,
class Try.Success
@JvmStatic @NotNull public static <T> Try<T> on(@NotNull kotlin.jvm.functions.Function0<? extends T> body)
Executes the given block of code and returns a class Try.Success
capturing the result, or a class Try.Failure
if a Throwable is thrown.
It is recommended this be chained with throwError
to ensure critial Errors are thrown and not captured.
class Try.Success
,
class Try.Failure
,
Throwable,
throwError
,
Error