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 * @throws java.io.IOException when writing fails 38 */ 39 public List<CommitListEntry> send(List<Chunk> chunksToSend) 40 throws InterruptedException, java.io.IOException; 41 42 public void setCollectors(Iterator<String> collectors); 43 44 public void stop(); 45 46 }