io.reactivex.rxjava3.internal.operators.flowable.FlowableBufferExactBoundary Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of redisson-all Show documentation
Show all versions of redisson-all Show documentation
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
The newest version!
/*
* Copyright (c) 2016-present, RxJava 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 io.reactivex.rxjava3.internal.operators.flowable;
import java.util.Collection;
import java.util.Objects;
import org.reactivestreams.*;
import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.disposables.Disposable;
import io.reactivex.rxjava3.exceptions.Exceptions;
import io.reactivex.rxjava3.functions.Supplier;
import io.reactivex.rxjava3.internal.queue.MpscLinkedQueue;
import io.reactivex.rxjava3.internal.subscribers.QueueDrainSubscriber;
import io.reactivex.rxjava3.internal.subscriptions.*;
import io.reactivex.rxjava3.internal.util.QueueDrainHelper;
import io.reactivex.rxjava3.subscribers.*;
public final class FlowableBufferExactBoundary, B>
extends AbstractFlowableWithUpstream {
final Publisher boundary;
final Supplier bufferSupplier;
public FlowableBufferExactBoundary(Flowable source, Publisher boundary, Supplier bufferSupplier) {
super(source);
this.boundary = boundary;
this.bufferSupplier = bufferSupplier;
}
@Override
protected void subscribeActual(Subscriber super U> s) {
source.subscribe(new BufferExactBoundarySubscriber<>(new SerializedSubscriber<>(s), bufferSupplier, boundary));
}
static final class BufferExactBoundarySubscriber, B>
extends QueueDrainSubscriber implements Subscription, Disposable {
final Supplier bufferSupplier;
final Publisher boundary;
Subscription upstream;
Disposable other;
U buffer;
BufferExactBoundarySubscriber(Subscriber super U> actual, Supplier bufferSupplier,
Publisher boundary) {
super(actual, new MpscLinkedQueue<>());
this.bufferSupplier = bufferSupplier;
this.boundary = boundary;
}
@Override
public void onSubscribe(Subscription s) {
if (!SubscriptionHelper.validate(this.upstream, s)) {
return;
}
this.upstream = s;
U b;
try {
b = Objects.requireNonNull(bufferSupplier.get(), "The buffer supplied is null");
} catch (Throwable e) {
Exceptions.throwIfFatal(e);
cancelled = true;
s.cancel();
EmptySubscription.error(e, downstream);
return;
}
buffer = b;
BufferBoundarySubscriber bs = new BufferBoundarySubscriber<>(this);
other = bs;
downstream.onSubscribe(this);
if (!cancelled) {
s.request(Long.MAX_VALUE);
boundary.subscribe(bs);
}
}
@Override
public void onNext(T t) {
synchronized (this) {
U b = buffer;
if (b == null) {
return;
}
b.add(t);
}
}
@Override
public void onError(Throwable t) {
cancel();
downstream.onError(t);
}
@Override
public void onComplete() {
U b;
synchronized (this) {
b = buffer;
if (b == null) {
return;
}
buffer = null;
}
queue.offer(b);
done = true;
if (enter()) {
QueueDrainHelper.drainMaxLoop(queue, downstream, false, this, this);
}
}
@Override
public void request(long n) {
requested(n);
}
@Override
public void cancel() {
if (!cancelled) {
cancelled = true;
other.dispose();
upstream.cancel();
if (enter()) {
queue.clear();
}
}
}
void next() {
U next;
try {
next = Objects.requireNonNull(bufferSupplier.get(), "The buffer supplied is null");
} catch (Throwable e) {
Exceptions.throwIfFatal(e);
cancel();
downstream.onError(e);
return;
}
U b;
synchronized (this) {
b = buffer;
if (b == null) {
return;
}
buffer = next;
}
fastPathEmitMax(b, false, this);
}
@Override
public void dispose() {
cancel();
}
@Override
public boolean isDisposed() {
return cancelled;
}
@Override
public boolean accept(Subscriber super U> a, U v) {
downstream.onNext(v);
return true;
}
}
static final class BufferBoundarySubscriber, B> extends DisposableSubscriber {
final BufferExactBoundarySubscriber parent;
BufferBoundarySubscriber(BufferExactBoundarySubscriber parent) {
this.parent = parent;
}
@Override
public void onNext(B t) {
parent.next();
}
@Override
public void onError(Throwable t) {
parent.onError(t);
}
@Override
public void onComplete() {
parent.onComplete();
}
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy