| /* |
| * 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.connector.opensearch.sink; |
| |
| import org.apache.flink.annotation.PublicEvolving; |
| |
| /** |
| * Used to control whether the sink should retry failed requests at all or with which kind back off |
| * strategy. |
| */ |
| @PublicEvolving |
| public enum FlushBackoffType { |
| /** After every failure, it waits a configured time until the retries are exhausted. */ |
| CONSTANT, |
| /** |
| * After every failure, it waits initially the configured time and increases the waiting time |
| * exponentially until the retries are exhausted. |
| */ |
| EXPONENTIAL, |
| /** The failure is not retried. */ |
| NONE, |
| } |