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.hadoop.chukwa.datacollection.sender;
  
  
  /**
   * Encapsulates all of the communication overhead needed for chunks to be delivered
   * to a collector.
   */
  import java.util.Iterator;
  import java.util.List;
  import org.apache.hadoop.chukwa.Chunk;
  import org.apache.hadoop.chukwa.datacollection.sender.ChukwaHttpSender.CommitListEntry;
  
  public interface ChukwaSender {
  
    /**
     * 
     * @param chunksToSend a list of chunks to commit
     * @return the list of committed chunks
     * @throws InterruptedException if interrupted while trying to send
     * @throws java.io.IOException when writing fails
     */
    public List<CommitListEntry> send(List<Chunk> chunksToSend)
        throws InterruptedException, java.io.IOException;
  
    public void setCollectors(Iterator<String> collectors);
    
    public void stop();
  
  }
  