org.springframework.data.redis.stream.StreamListener Maven / Gradle / Ivy
/*
* Copyright 2018-2022 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.data.redis.stream;
import org.springframework.data.redis.connection.stream.Record;
/**
* Listener interface to receive delivery of {@link Record messages}.
*
* @author Mark Paluch
* @param Stream key and Stream field type.
* @param Stream value type.
* @since 2.2
*/
@FunctionalInterface
public interface StreamListener> {
/**
* Callback invoked on receiving a {@link Record}.
*
* @param message never {@literal null}.
*/
void onMessage(V message);
}