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• IRetainedRepository.java

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com.github.netty.protocol.mqtt.IRetainedRepository Maven / Gradle / Ivy

/*
 * Copyright (c) 2012-2018 The original author or authors
 * ------------------------------------------------------
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Apache License v2.0 which accompanies this distribution.
 *
 * The Eclipse Public License is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * The Apache License v2.0 is available at
 * http://www.opensource.org/licenses/apache2.0.php
 *
 * You may elect to redistribute this code under either of these licenses.
 */
package com.github.netty.protocol.mqtt;

import com.github.netty.protocol.mqtt.subscriptions.Topic;
import io.netty.handler.codec.mqtt.MqttPublishMessage;

import java.util.List;

public interface IRetainedRepository {

    void cleanRetained(Topic topic);

    void retain(Topic topic, MqttPublishMessage msg);

    boolean isEmpty();

    List retainedOnTopic(String topic);
}