net.corda.core.utilities

Class Try<A>

net.corda.core.utilities.Try<A>

Direct Known Subclasses:

Try.Failure, Try.Success

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).

See Also:

class Try.Success, class Try.Failure

Field Detail

Companion

public static net.corda.core.utilities.Try.Companion Companion

Method Detail

isFailure

public boolean isFailure()

Returns true iff the class Try is a class Try.Success.

See Also:

class Try, class Try.Success

isSuccess

public boolean isSuccess()

Returns true iff the class Try is a class Try.Failure.

See Also:

class Try, class Try.Failure

getOrThrow

public A getOrThrow()

Returns the value if a class Try.Success otherwise throws the exception if a class Try.Failure.

See Also:

class Try.Success, class Try.Failure

throwError

@NotNull
public Try<A> throwError()

If this is a class Try.Failure wrapping an Error then throw it, otherwise return this for chaining.

See Also:

class Try.Failure, Error

map

@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.

See Also:

class Try.Success, class Try.Failure

flatMap

@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.

See Also:

class Try.Success, class Try.Failure

combine

@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.

See Also:

class Try.Success, other, class Try.Failure, other, other, class Try.Failure

doOnSuccess

@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.

See Also:

class Try.Success, class Try.Failure

doOnFailure

@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.

See Also:

class Try.Failure, class Try.Success

on

@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.

See Also:

class Try.Success, class Try.Failure, Throwable, throwError, Error