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DeferredRestAction.java
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DeferredRestAction.java
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/*
* Copyright 2015-2019 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.dv8tion.jda.internal.requests;
import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.exceptions.RateLimitedException;
import net.dv8tion.jda.api.requests.RestAction;
import net.dv8tion.jda.api.requests.restaction.AuditableRestAction;
import javax.annotation.Nonnull;
import java.util.concurrent.CompletableFuture;
import java.util.function.BooleanSupplier;
import java.util.function.Consumer;
import java.util.function.Supplier;
public class DeferredRestAction<T, R extends RestAction<T>> implements AuditableRestAction<T>
{
private final JDA api;
private final Class<T> type;
private final Supplier<T> valueSupplier;
private final Supplier<R> actionSupplier;
private BooleanSupplier isAction;
private BooleanSupplier transitiveChecks;
public DeferredRestAction(JDA api, Supplier<R> actionSupplier)
{
this(api, null, null, actionSupplier);
}
public DeferredRestAction(JDA api, Class<T> type,
Supplier<T> valueSupplier,
Supplier<R> actionSupplier)
{
this.api = api;
this.type = type;
this.valueSupplier = valueSupplier;
this.actionSupplier = actionSupplier;
}
@Nonnull
@Override
public JDA getJDA()
{
return api;
}
@Nonnull
@Override
public AuditableRestAction<T> reason(String reason)
{
return this;
}
@Nonnull
@Override
public AuditableRestAction<T> setCheck(BooleanSupplier checks)
{
this.transitiveChecks = checks;
return this;
}
public AuditableRestAction<T> setCacheCheck(BooleanSupplier checks)
{
this.isAction = checks;
return this;
}
@Override
public void queue(Consumer<? super T> success, Consumer<? super Throwable> failure)
{
Consumer<? super T> finalSuccess;
if (success != null)
finalSuccess = success;
else
finalSuccess = RestAction.getDefaultSuccess();
if (type == null)
{
BooleanSupplier checks = this.isAction;
if (checks != null && checks.getAsBoolean())
actionSupplier.get().queue(success, failure);
else
finalSuccess.accept(null);
return;
}
T value = valueSupplier.get();
if (value == null)
{
getAction().queue(success, failure);
}
else
{
finalSuccess.accept(value);
}
}
@Nonnull
@Override
public CompletableFuture<T> submit(boolean shouldQueue)
{
if (type == null)
{
BooleanSupplier checks = this.isAction;
if (checks != null && checks.getAsBoolean())
return actionSupplier.get().submit(shouldQueue);
return CompletableFuture.completedFuture(null);
}
T value = valueSupplier.get();
if (value != null)
return CompletableFuture.completedFuture(value);
return getAction().submit(shouldQueue);
}
@Override
public T complete(boolean shouldQueue) throws RateLimitedException
{
if (type == null)
{
BooleanSupplier checks = this.isAction;
if (checks != null && checks.getAsBoolean())
return actionSupplier.get().complete(shouldQueue);
return null;
}
T value = valueSupplier.get();
if (value != null)
return value;
return getAction().complete(shouldQueue);
}
@SuppressWarnings("unchecked")
private R getAction()
{
return (R) actionSupplier.get().setCheck(transitiveChecks);
}
}