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The Service Provider Interfaces for developing HiveMQ plugins.
/*
* Copyright 2014 dc-square GmbH
*
* 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 com.hivemq.spi.services;
import com.hivemq.spi.annotations.NotNull;
import com.hivemq.spi.message.PUBLISH;
/**
* This service allows plugins to publish new MQTT messages programmatically
*
* @author Lukas Brandl
* @since 1.5
*/
public interface PublishService {
/**
* Publishes a new MQTT {@link PUBLISH} message. The standard MQTT topic matching mechanism of HiveMQ will apply.
*
* If the given {@link PUBLISH} or any of its information (topic,qos,message) is null, a {@link NullPointerException}
* will be thrown
*
* @param publish object with topic, QoS and message, which should be published to all subscribed clients
* @throws NullPointerException if the given object is null
or any relevant information like topic, qos
* or message is null
*/
void publish(@NotNull PUBLISH publish);
/**
* Publishes a new MQTT {@link PUBLISH} message.
* The PUBLISH will only be delivered to the client with the specified client identifier.
* Also the client needs to be subscribed on the topic of the PUBLISH in order to receive it.
*
* If the given {@link PUBLISH} or any of its information (topic,qos,message) is null, a {@link NullPointerException}
* will be thrown
*
* @param publish object with topic, QoS and message, which should be published to all subscribed clients
* @throws NullPointerException if the given object is null
or any relevant information like topic, qos
* or message is null
*/
void publishtoClient(@NotNull PUBLISH publish, @NotNull String clientId);
}