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MultiIgnoreOp.java
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MultiIgnoreOp.java
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package io.smallrye.mutiny.operators.multi;
import java.util.Objects;
import org.reactivestreams.Subscription;
import io.smallrye.mutiny.Multi;
import io.smallrye.mutiny.subscription.MultiSubscriber;
public class MultiIgnoreOp<T> extends AbstractMultiOperator<T, Void> {
public MultiIgnoreOp(Multi<T> upstream) {
super(upstream);
}
@Override
public void subscribe(MultiSubscriber<? super Void> downstream) {
upstream.subscribe().withSubscriber(new MultiIgnoreProcessor<>(Objects.requireNonNull(downstream)));
}
public static class MultiIgnoreProcessor<T> extends MultiOperatorProcessor<T, Void> {
public MultiIgnoreProcessor(MultiSubscriber<? super Void> downstream) {
super(downstream);
}
@Override
public void onSubscribe(Subscription subscription) {
if (compareAndSetUpstreamSubscription(null, subscription)) {
// Propagate subscription to downstream.
downstream.onSubscribe(this);
subscription.request(Long.MAX_VALUE);
} else {
subscription.cancel();
}
}
@Override
public void request(long numberOfItems) {
// Request is handled by the onSubscribe method
// Just validate the parameter for compliance with Reactive Streams.
if (numberOfItems <= 0) {
onFailure(new IllegalArgumentException("Invalid number of request, must be greater than 0"));
}
}
@Override
public void onItem(T ignored) {
// Ignoring
}
}
}