com.landawn.abacus.util

Class Result<T,E extends Throwable>

java.lang.Object

com.landawn.abacus.util.Result<T,E>

Type Parameters:

T -

E -

All Implemented Interfaces:

Immutable

@Immutable
public final class Result<T,E extends Throwable>
extends Object
implements Immutable

Author:

Haiyang Li

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
E	getExceptionIfPresent() Returns the Exception if occurred, otherwise null is returned.
int	hashCode()
<E2 extends Throwable> void	ifFailure(Throwables.Consumer<? super E,E2> actionOnFailure)
<E2 extends Throwable,E3 extends Throwable> void	ifFailureOrElse(Throwables.Consumer<? super E,E2> actionOnFailure, Throwables.Consumer<? super T,E3> actionOnSuccess) If failure or else.
<E2 extends Throwable> void	ifSuccess(Throwables.Consumer<? super T,E2> actionOnSuccess)
<E2 extends Throwable,E3 extends Throwable> void	ifSuccessOrElse(Throwables.Consumer<? super T,E2> actionOnSuccess, Throwables.Consumer<? super E,E3> actionOnFailure) If success or else.
boolean	isFailure() Checks if is failure.
boolean	isSuccess() Checks if is success.
static <T,E extends Throwable> Result<T,E>	of(T value, E exception)
T	orElse(T defaultValueIfErrorOccurred) Deprecated. replaced with orElseIfFailure(Object)
<E2 extends Throwable> T	orElseGet(Throwables.Supplier<? extends T,E2> otherIfErrorOccurred) Deprecated. replaced with orElseGetIfFailure(com.landawn.abacus.util.Throwables.Supplier)
<E2 extends Throwable> T	orElseGetIfFailure(Throwables.Supplier<? extends T,E2> otherIfErrorOccurred)
T	orElseIfFailure(T defaultValueIfErrorOccurred)
T	orElseThrow() Or else throw.
<E2 extends Throwable> T	orElseThrow(E2 exception)
<E2 extends Throwable> T	orElseThrow(Function<? super E,E2> exceptionSupplierIfErrorOccurred) Or else throw.
<E2 extends Throwable> T	orElseThrow(Supplier<? extends E2> exceptionSupplier)
Pair<T,E>	toPair()
String	toString()
Tuple.Tuple2<T,E>	toTuple()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

of

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

Type Parameters:

T -

E -

Parameters:

value -

exception -

Returns:

isFailure

public boolean isFailure()

Checks if is failure.

Returns:

true, if is failure

isSuccess

public boolean isSuccess()

Checks if is success.

Returns:

true, if is success

ifFailure

public <E2 extends Throwable> void ifFailure(Throwables.Consumer<? super E,E2> actionOnFailure)
                                      throws E2 extends Throwable

Type Parameters:

E2 -

Parameters:

actionOnFailure -

Throws:

E2 - the e2

E2 extends Throwable

ifFailureOrElse

public <E2 extends Throwable,E3 extends Throwable> void ifFailureOrElse(Throwables.Consumer<? super E,E2> actionOnFailure,
                                                                        Throwables.Consumer<? super T,E3> actionOnSuccess)
                                                                 throws E2 extends Throwable,
                                                                        E3 extends Throwable

If failure or else.

Type Parameters:

E2 -

E3 -

Parameters:

actionOnFailure -

actionOnSuccess -

Throws:

E2 - the e2

E3 - the e3

E2 extends Throwable

ifSuccess

public <E2 extends Throwable> void ifSuccess(Throwables.Consumer<? super T,E2> actionOnSuccess)
                                      throws E2 extends Throwable

Type Parameters:

E2 -

Parameters:

actionOnSuccess -

Throws:

E2 - the e2

E2 extends Throwable

ifSuccessOrElse

public <E2 extends Throwable,E3 extends Throwable> void ifSuccessOrElse(Throwables.Consumer<? super T,E2> actionOnSuccess,
                                                                        Throwables.Consumer<? super E,E3> actionOnFailure)
                                                                 throws E2 extends Throwable,
                                                                        E3 extends Throwable

If success or else.

Type Parameters:

E2 -

E3 -

Parameters:

actionOnSuccess -

actionOnFailure -

Throws:

E2 - the e2

E3 - the e3

E2 extends Throwable

orElse

@Deprecated
public T orElse(T defaultValueIfErrorOccurred)

Deprecated. replaced with orElseIfFailure(Object)

Parameters:

defaultValueIfErrorOccurred -

Returns:

orElseGet

@Deprecated
public <E2 extends Throwable> T orElseGet(Throwables.Supplier<? extends T,E2> otherIfErrorOccurred)
                                                throws E2 extends Throwable

Deprecated. replaced with orElseGetIfFailure(com.landawn.abacus.util.Throwables.Supplier)

Type Parameters:

E2 -

Parameters:

otherIfErrorOccurred -

Returns:

Throws:

E2

E2 extends Throwable

orElseIfFailure

public T orElseIfFailure(T defaultValueIfErrorOccurred)

Parameters:

defaultValueIfErrorOccurred -

Returns:

orElseGetIfFailure

public <E2 extends Throwable> T orElseGetIfFailure(Throwables.Supplier<? extends T,E2> otherIfErrorOccurred)
                                            throws E2 extends Throwable

Type Parameters:

E2 -

Parameters:

otherIfErrorOccurred -

Returns:

Throws:

E2

E2 extends Throwable

orElseThrow

public T orElseThrow()
              throws E extends Throwable

Or else throw.

Returns:

Throws:

E - the e

E extends Throwable

orElseThrow

public <E2 extends Throwable> T orElseThrow(Function<? super E,E2> exceptionSupplierIfErrorOccurred)
                                     throws E2 extends Throwable

Or else throw.

Type Parameters:

E2 -

Parameters:

exceptionSupplierIfErrorOccurred -

Returns:

Throws:

E2 - the e2

E2 extends Throwable

orElseThrow

public <E2 extends Throwable> T orElseThrow(E2 exception)
                                     throws E2 extends Throwable

Type Parameters:

E2 -

Parameters:

exception -

Returns:

Throws:

E2

E2 extends Throwable

orElseThrow

public <E2 extends Throwable> T orElseThrow(Supplier<? extends E2> exceptionSupplier)
                                     throws E2 extends Throwable

Type Parameters:

E2 -

Parameters:

exceptionSupplier -

Returns:

Throws:

E2

E2 extends Throwable

getExceptionIfPresent

public E getExceptionIfPresent()

Returns the Exception if occurred, otherwise null is returned.

Returns:

toPair

public Pair<T,E> toPair()

toTuple

public Tuple.Tuple2<T,E> toTuple()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

Parameters:

obj -

Returns:

toString

public String toString()

Overrides:

toString in class Object