mutiny.zero.internal.UnbounbedBufferingTube Maven / Gradle / Ivy

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Mutiny Zero is a minimal API for creating reactive-streams compliant publishers

There is a newer version: 1.1.1

package mutiny.zero.internal;

import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.Flow;

public class UnbounbedBufferingTube extends BufferingTubeBase {

    private final ConcurrentLinkedQueue overflowQueue;

    public UnbounbedBufferingTube(Flow.Subscriber subscriber) {
        super(subscriber);
        overflowQueue = new ConcurrentLinkedQueue<>();
    }

    @Override
    Queue overflowQueue() {
        return overflowQueue;
    }

    @Override
    protected void handleItem(T item) {
        if (outstandingRequests() > 0L) {
            dispatchQueue.offer(item);
            drainLoop();
        } else {
            overflowQueue.offer(item);
        }
    }
}