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ChukwaSender xref
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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.chukwa.datacollection.sender;
19  
20  
21  /**
22   * Encapsulates all of the communication overhead needed for chunks to be delivered
23   * to a collector.
24   */
25  import java.util.Iterator;
26  import java.util.List;
27  import org.apache.hadoop.chukwa.Chunk;
28  import org.apache.hadoop.chukwa.datacollection.sender.ChukwaHttpSender.CommitListEntry;
29  
30  public interface ChukwaSender {
31  
32    /**
33     * 
34     * @param chunksToSend a list of chunks to commit
35     * @return the list of committed chunks
36     * @throws InterruptedException if interrupted while trying to send
37     */
38    public List<CommitListEntry> send(List<Chunk> chunksToSend)
39        throws InterruptedException, java.io.IOException;
40  
41    public void setCollectors(Iterator<String> collectors);
42    
43    public void stop();
44  
45  }