| /* |
| * 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.seatunnel.connectors.seatunnel.kafka.config; |
| |
| public enum KafkaSemantics { |
| |
| /** |
| * At this semantics, we will directly send the message to kafka, the data may duplicat/lost |
| * if job restart/retry or network error. |
| */ |
| NON, |
| |
| /** |
| * At this semantics, we will retry sending the message to kafka, if the response is not ack. |
| */ |
| AT_LEAST_ONCE, |
| |
| /** |
| * AT this semantics, we will use 2pc to guarantee the message is sent to kafka exactly once. |
| */ |
| EXACTLY_ONCE, |
| ; |
| |
| |
| } |
