/* * 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.flink.streaming.api.functions.sink; import java.io.Serializable; import org.apache.flink.annotation.Public; import org.apache.flink.api.common.functions.Function; /** * Interface for implementing user defined sink functionality. * * @param <IN> Input type parameter. */ @Public public interface SinkFunction<IN> extends Function, Serializable { /** * Function for standard sink behaviour. This function is called for every record. * * @param value The input record. * @throws Exception */ void invoke(IN value) throws Exception; }