content: /*
   * Copyright 2015 Michal Harish, michal.harish@gmail.com
   *
   * 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 io.amient.kafka.metrics;
  
  import org.apache.kafka.clients.consumer.OffsetAndMetadata;
  import org.apache.kafka.common.TopicPartition;
  import org.apache.kafka.connect.sink.SinkRecord;
  import org.apache.kafka.connect.sink.SinkTask;
  
  import java.util.Collection;
  import java.util.Map;
  import java.util.Properties;
  
  public class InfluxDbSinkTask extends SinkTask {
  
      private InfluxDbPublisher publisher = null;
      private MeasurementConverter converter = null;
  
      @Override
      public String version() {
          return new InfluxDbSinkConnector().version();
      }
  
      @Override
      public void start(Map<String, String> props) {
          Properties publisherConfig = new Properties();
          publisherConfig.putAll(props);
          publisher = new InfluxDbPublisher(publisherConfig);
          converter = new MeasurementConverter();
      }
  
      @Override
      public void put(Collection<SinkRecord> sinkRecords) {
          for (SinkRecord record : sinkRecords) {
              MeasurementV1 measurement = converter.fromConnectData(record.valueSchema(), record.value());
              publisher.publish(measurement);
          }
      }
  
      @Override
      public void flush(Map<TopicPartition, OffsetAndMetadata> offsets) {
          //nothing to flush
      }
  
      @Override
      public void stop() {
          if (publisher != null) publisher.close();
      }
  }
  