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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* Copyright (c) 2016-2023 VMware Inc. or its affiliates, All Rights Reserved.
*
* 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
*
* https://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 reactor.core.publisher;
import reactor.core.CoreSubscriber;
import reactor.core.Scannable;
import reactor.util.annotation.Nullable;
import java.util.Objects;
/**
* @author Simon Baslé
*/
final class GroupedLift extends GroupedFlux implements Scannable {
final Operators.LiftFunction liftFunction;
final GroupedFlux source;
GroupedLift(GroupedFlux p,
Operators.LiftFunction liftFunction) {
this.source = Objects.requireNonNull(p, "source");
this.liftFunction = liftFunction;
}
@Override
public int getPrefetch() {
return source.getPrefetch();
}
@Override
public K key() {
return source.key();
}
@Override
@Nullable
public Object scanUnsafe(Attr key) {
if (key == Attr.PARENT) {
return source;
}
if (key == Attr.PREFETCH) {
return getPrefetch();
}
if (key == Attr.RUN_STYLE) {
return Scannable.from(source).scanUnsafe(key);
}
if (key == Attr.LIFTER) {
return liftFunction.name;
}
if (key == InternalProducerAttr.INSTANCE) {
return true;
}
return null;
}
@Override
public String stepName() {
if (source instanceof Scannable) {
return Scannable.from(source).stepName();
}
return Scannable.super.stepName();
}
@Override
public void subscribe(CoreSubscriber super O> actual) {
CoreSubscriber super I> input =
liftFunction.lifter.apply(source, Operators.restoreContextOnSubscriberIfAutoCPEnabled(source, actual));
Objects.requireNonNull(input, "Lifted subscriber MUST NOT be null");
source.subscribe(input);
}
}
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