content: /*
   * 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.kafka.connect.mirror;
  
  import org.apache.kafka.common.TopicPartition;
  import org.apache.kafka.common.config.ConfigDef;
  
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  import java.util.stream.Collectors;
  
  public class MirrorSourceTaskConfig extends MirrorSourceConfig {
  
      private static final String TASK_TOPIC_PARTITIONS_DOC = "Topic-partitions assigned to this task to replicate.";
  
      public MirrorSourceTaskConfig(Map<String, String> props) {
          super(TASK_CONFIG_DEF, props);
      }
  
      Set<TopicPartition> taskTopicPartitions() {
          List<String> fields = getList(TASK_TOPIC_PARTITIONS);
          if (fields == null || fields.isEmpty()) {
              return Collections.emptySet();
          }
          return fields.stream()
              .map(MirrorUtils::decodeTopicPartition)
              .collect(Collectors.toSet());
      }
  
      MirrorSourceMetrics metrics() {
          MirrorSourceMetrics metrics = new MirrorSourceMetrics(this);
          metricsReporters().forEach(metrics::addReporter);
          return metrics;
      }
  
      @Override
      String entityLabel() {
          return super.entityLabel() + "-" + (getInt(TASK_INDEX) == null ? "?" : getInt(TASK_INDEX));
      }
   
      protected static final ConfigDef TASK_CONFIG_DEF = new ConfigDef(CONNECTOR_CONFIG_DEF)
          .define(
              TASK_TOPIC_PARTITIONS,
              ConfigDef.Type.LIST,
              null,
              ConfigDef.Importance.LOW,
              TASK_TOPIC_PARTITIONS_DOC)
          .define(TASK_INDEX,
                  ConfigDef.Type.INT,
                  null,
                  ConfigDef.Importance.LOW,
                  "The index of the task");
  }
  