| /** |
| * 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 com.datatorrent.lib.appdata.query.serde; |
| |
| import java.io.IOException; |
| |
| import com.datatorrent.lib.appdata.schemas.Message; |
| |
| /** |
| * This is an interface for a message deserializer. Classes implementing this interface should have a public |
| * no-arg constructor. |
| * @since 3.0.0 |
| */ |
| public interface CustomMessageDeserializer |
| { |
| /** |
| * This method is called to convert a json string into a Message object. |
| * @param json The JSON to deserialize. |
| * @param message The Class object of the type of message to deserialize to. |
| * @param context Any additional contextual information required to deserialize the message. |
| * @return The deserialized message. |
| * @throws IOException |
| */ |
| Message deserialize(String json, Class<? extends Message> message, Object context) throws IOException; |
| } |