org.apache.iotdb.db.mqtt.PayloadFormatter Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.iotdb.db.mqtt;

import io.netty.buffer.ByteBuf;
import java.util.List;

/**
 * PayloadFormatter format the payload to the messages.
 */
public interface PayloadFormatter {
    /**
     * format a payload to a list of messages
     * @param payload
     * @return
     */
    List format(ByteBuf payload);

    /**
     * get the formatter name
     * @return
     */
    String getName();
}