org.springframework.kafka.support.serializer.JsonTypeResolver Maven / Gradle / Ivy
/*
* Copyright 2020 the original author or authors.
*
* 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
*
* https://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.springframework.kafka.support.serializer;
import org.apache.kafka.common.header.Headers;
import com.fasterxml.jackson.databind.JavaType;
/**
* Determine the {@link JavaType} from the topic/data/headers.
*
* @author Gary Russell
* @since 2.5.3
*
*/
@FunctionalInterface
public interface JsonTypeResolver {
/**
* Determine the type.
* @param topic the topic.
* @param data the serialized data.
* @param headers the headers.
* @return the type.
*/
JavaType resolveType(String topic, byte[] data, Headers headers);
}