| /* |
| * 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.kafka.dynamic.source; |
| |
| import org.apache.flink.annotation.Internal; |
| import org.apache.flink.configuration.ConfigOption; |
| import org.apache.flink.configuration.ConfigOptions; |
| |
| import java.util.Properties; |
| import java.util.function.Function; |
| |
| /** |
| * The connector options for {@link DynamicKafkaSource} that can be passed through the source |
| * properties e.g. {@link DynamicKafkaSourceBuilder#setProperties(Properties)}. |
| */ |
| @Internal |
| public class DynamicKafkaSourceOptions { |
| |
| private DynamicKafkaSourceOptions() {} |
| |
| public static final ConfigOption<Long> STREAM_METADATA_DISCOVERY_INTERVAL_MS = |
| ConfigOptions.key("stream-metadata-discovery-interval-ms") |
| .longType() |
| .defaultValue(-1L) |
| .withDescription( |
| "The interval in milliseconds for the sink to discover " |
| + "the changes in stream metadata. A non-positive value disables the stream metadata discovery."); |
| |
| public static final ConfigOption<Integer> STREAM_METADATA_DISCOVERY_FAILURE_THRESHOLD = |
| ConfigOptions.key("stream-metadata-discovery-failure-threshold") |
| .intType() |
| .defaultValue(1) |
| .withDescription( |
| "The number of consecutive failures before letting the exception from Kafka metadata service discovery " |
| + "trigger jobmanager failure and global failover. The default is one to at least catch startup " |
| + "failures. This is only implemented for the source"); |
| |
| @Internal |
| public static <T> T getOption( |
| Properties props, ConfigOption<?> configOption, Function<String, T> parser) { |
| String value = props.getProperty(configOption.key()); |
| return (T) (value == null ? configOption.defaultValue() : parser.apply(value)); |
| } |
| } |