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 io.jafka.producer.async;
  
  
  import java.io.Closeable;
  import java.util.List;
  import java.util.Properties;
  
  import io.jafka.producer.SyncProducer;
  import io.jafka.producer.serializer.Encoder;
  
  /**
   * Handler that dispatches the batched data from the queue of the
   * asynchronous producer.
   * 
   * @author adyliu (imxylz@gmail.com)
   * @since 1.0
   */
  public interface EventHandler<T> extends Closeable{
  
      /**
       * Initializes the event handler using a Properties object
       * 
       * @param properties the properties used to initialize the event
       *        handler
       */
      void init(Properties properties);
  
      /**
       * Callback to dispatch the batched data and send it to a Jafka server
       * 
       * @param events the data sent to the producer
       * @param producer the low-level producer used to send the data
       * @param encoder data encoder
       */
      void handle(List<QueueItem<T>> events, SyncProducer producer, Encoder<T> encoder);
  
      /**
       * Cleans up and shuts down the event handler
       */
      void close();
  }
  