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Advanced and thread-safe Java Redis client for synchronous, asynchronous, and reactive usage. Supports Cluster, Sentinel, Pipelining, Auto-Reconnect, Codecs and much more.

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package io.lettuce.core.event;

import reactor.core.publisher.Flux;

/**
 * Interface for an EventBus. Events can be published over the bus that are delivered to the subscribers.
 *
 * @author Mark Paluch
 * @since 3.4
 */
public interface EventBus {

    /**
     * Subscribe to the event bus and {@link Event}s. The {@link Flux} drops events on backpressure to avoid contention.
     *
     * @return the observable to obtain events.
     */
    Flux get();

    /**
     * Publish a {@link Event} to the bus.
     *
     * @param event the event to publish
     */
    void publish(Event event);

}