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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-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.observable;
import io.reactivex.rxjava3.annotations.Nullable;
import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.internal.observers.BasicQueueDisposable;
import java.util.Objects;
public final class ObservableFromArray extends Observable {
final T[] array;
public ObservableFromArray(T[] array) {
this.array = array;
}
@Override
public void subscribeActual(Observer super T> observer) {
FromArrayDisposable d = new FromArrayDisposable<>(observer, array);
observer.onSubscribe(d);
if (d.fusionMode) {
return;
}
d.run();
}
static final class FromArrayDisposable extends BasicQueueDisposable {
final Observer super T> downstream;
final T[] array;
int index;
boolean fusionMode;
volatile boolean disposed;
FromArrayDisposable(Observer super T> actual, T[] array) {
this.downstream = actual;
this.array = array;
}
@Override
public int requestFusion(int mode) {
if ((mode & SYNC) != 0) {
fusionMode = true;
return SYNC;
}
return NONE;
}
@Nullable
@Override
public T poll() {
int i = index;
T[] a = array;
if (i != a.length) {
index = i + 1;
return Objects.requireNonNull(a[i], "The array element is null");
}
return null;
}
@Override
public boolean isEmpty() {
return index == array.length;
}
@Override
public void clear() {
index = array.length;
}
@Override
public void dispose() {
disposed = true;
}
@Override
public boolean isDisposed() {
return disposed;
}
void run() {
T[] a = array;
int n = a.length;
for (int i = 0; i < n && !isDisposed(); i++) {
T value = a[i];
if (value == null) {
downstream.onError(new NullPointerException("The element at index " + i + " is null"));
return;
}
downstream.onNext(value);
}
if (!isDisposed()) {
downstream.onComplete();
}
}
}
}
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