/*
 * Copyright 2020-2020 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.cloud.stream.binder.kafka.utils;

import java.util.function.BiFunction;

import org.apache.kafka.clients.consumer.ConsumerRecord;

/**
 * A {@link BiFunction} extension for defining DLQ destination resolvers.
 *
 * The BiFunction takes the {@link ConsumerRecord} and the exception as inputs
 * and returns a topic name as the DLQ.
 *
 * @author Soby Chacko
 * @since 3.0.9
 */
@FunctionalInterface
public interface DlqDestinationResolver extends BiFunction<ConsumerRecord<?, ?>, Exception, String> {

}
