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Fix unintended changes to result

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Ben Woo 2023-09-10 21:45:30 +08:00
parent c8fed72137
commit 2fe6297b1d
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GPG Key ID: FB2A3645536E12C8
1 changed files with 57 additions and 15 deletions
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68
src/main/java/com/onarandombox/MultiverseCore/utils/result/Result.java
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@ -6,18 +6,27 @@ import org.jetbrains.annotations.NotNull;
import java.util.NoSuchElementException;
import java.util.function.Consumer;
import java.util.function.Function;
public sealed interface Result<S extends SuccessReason, F extends FailureReason> permits Result.Success, Result.Failure {
static <F extends FailureReason, S extends SuccessReason> Result<S, F> success(
S successReason, MessageReplacement...replacements) {
return new Success<>(successReason, replacements);
}
static <F extends FailureReason, S extends SuccessReason> Result<S, F> success(S successReason, Message message) {
return new Success<>(successReason, message);
}
static <F extends FailureReason, S extends SuccessReason> Result<S, F> failure(
F failureReason, MessageReplacement...replacements) {
return new Failure<>(failureReason, replacements);
}
static <F extends FailureReason, S extends SuccessReason> Result<S, F> failure(F failureReason, Message message) {
return new Failure<>(failureReason, message);
}
boolean isSuccess();
boolean isFailure();
@ -28,16 +37,16 @@ public sealed interface Result<S extends SuccessReason, F extends FailureReason>
@NotNull Message getReasonMessage();
default Result<S, F> onSuccess(Consumer<S> consumer) {
if (this.isSuccess()) {
consumer.accept(this.getSuccessReason());
default Result<S, F> onSuccess(Consumer<Success<F, S>> consumer) {
if (this instanceof Success) {
consumer.accept((Success<F, S>) this);
}
return this;
}
default Result<S, F> onFailure(Consumer<F> consumer) {
if (this.isFailure()) {
consumer.accept(this.getFailureReason());
default Result<S, F> onFailure(Consumer<Failure<S, F>> consumer) {
if (this instanceof Failure) {
consumer.accept((Failure<S, F>) this);
}
return this;
}
@ -56,13 +65,41 @@ public sealed interface Result<S extends SuccessReason, F extends FailureReason>
return this;
}
default Result<S, F> onSuccessThen(Function<Success<F, S>, Result<S, F>> function) {
if (this instanceof Success) {
return function.apply((Success<F, S>) this);
}
return this;
}
default Result<S, F> onFailureThen(Function<Failure<S, F>, Result<S, F>> function) {
if (this instanceof Failure) {
return function.apply((Failure<S, F>) this);
}
return this;
}
default <R> R fold(Function<Failure<S, F>, R> failureFunc, Function<Success<F, S>, R> successFunc) {
if (this instanceof Failure) {
return failureFunc.apply((Failure<S, F>) this);
} else if (this instanceof Success) {
return successFunc.apply((Success<F, S>) this);
}
throw new IllegalStateException("Unknown result type: " + this.getClass().getName());
}
final class Success<F extends FailureReason, S extends SuccessReason> implements Result<S, F> {
private final S successReason;
private final MessageReplacement[] replacements;
private final Message message;
public Success(S successReason, Message message) {
this.successReason = successReason;
this.message = message;
}
public Success(S successReason, MessageReplacement[] replacements) {
this.successReason = successReason;
this.replacements = replacements;
this.message = Message.of(successReason, "Success!", replacements);
}
@Override
@ -87,7 +124,7 @@ public sealed interface Result<S extends SuccessReason, F extends FailureReason>
@Override
public @NotNull Message getReasonMessage() {
return Message.of(successReason, "Success!", replacements);
return message;
}
@Override
@ -100,11 +137,16 @@ public sealed interface Result<S extends SuccessReason, F extends FailureReason>
final class Failure<S extends SuccessReason, F extends FailureReason> implements Result<S, F> {
private final F failureReason;
private final MessageReplacement[] replacements;
private final Message message;
public Failure(F failureReason, Message message) {
this.failureReason = failureReason;
this.message = message;
}
public Failure(F failureReason, MessageReplacement[] replacements) {
this.failureReason = failureReason;
this.replacements = replacements;
this.message = Message.of(failureReason, "Success!", replacements);
}
@Override
@ -119,7 +161,7 @@ public sealed interface Result<S extends SuccessReason, F extends FailureReason>
@Override
public S getSuccessReason() {
throw new NoSuchElementException("No reason for success");
throw new NoSuchElementException("No reason for failure");
}
@Override
@ -129,7 +171,7 @@ public sealed interface Result<S extends SuccessReason, F extends FailureReason>
@Override
public @NotNull Message getReasonMessage() {
return Message.of(failureReason, "Success!", replacements);
return message;
}
@Override