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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.regionserver;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.Collection;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.List;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Map;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.NavigableMap;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.TreeMap;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.ExtendedCell;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">028</span><span id="line-28"></span> |
| <span class="source-line-no">029</span><span id="line-29">/**</span> |
| <span class="source-line-no">030</span><span id="line-30"> * class for cell sink that separates the provided cells into multiple files for date tiered</span> |
| <span class="source-line-no">031</span><span id="line-31"> * compaction.</span> |
| <span class="source-line-no">032</span><span id="line-32"> */</span> |
| <span class="source-line-no">033</span><span id="line-33">@InterfaceAudience.Private</span> |
| <span class="source-line-no">034</span><span id="line-34">public class DateTieredMultiFileWriter extends AbstractMultiFileWriter {</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36"> private final NavigableMap<Long, StoreFileWriter> lowerBoundary2Writer = new TreeMap<>();</span> |
| <span class="source-line-no">037</span><span id="line-37"></span> |
| <span class="source-line-no">038</span><span id="line-38"> private final boolean needEmptyFile;</span> |
| <span class="source-line-no">039</span><span id="line-39"></span> |
| <span class="source-line-no">040</span><span id="line-40"> private final Map<Long, String> lowerBoundariesPolicies;</span> |
| <span class="source-line-no">041</span><span id="line-41"></span> |
| <span class="source-line-no">042</span><span id="line-42"> /**</span> |
| <span class="source-line-no">043</span><span id="line-43"> * @param lowerBoundariesPolicies each window to storage policy map.</span> |
| <span class="source-line-no">044</span><span id="line-44"> * @param needEmptyFile whether need to create an empty store file if we haven't written</span> |
| <span class="source-line-no">045</span><span id="line-45"> * out anything.</span> |
| <span class="source-line-no">046</span><span id="line-46"> */</span> |
| <span class="source-line-no">047</span><span id="line-47"> public DateTieredMultiFileWriter(List<Long> lowerBoundaries,</span> |
| <span class="source-line-no">048</span><span id="line-48"> Map<Long, String> lowerBoundariesPolicies, boolean needEmptyFile) {</span> |
| <span class="source-line-no">049</span><span id="line-49"> for (Long lowerBoundary : lowerBoundaries) {</span> |
| <span class="source-line-no">050</span><span id="line-50"> lowerBoundary2Writer.put(lowerBoundary, null);</span> |
| <span class="source-line-no">051</span><span id="line-51"> }</span> |
| <span class="source-line-no">052</span><span id="line-52"> this.needEmptyFile = needEmptyFile;</span> |
| <span class="source-line-no">053</span><span id="line-53"> this.lowerBoundariesPolicies = lowerBoundariesPolicies;</span> |
| <span class="source-line-no">054</span><span id="line-54"> }</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> @Override</span> |
| <span class="source-line-no">057</span><span id="line-57"> public void append(ExtendedCell cell) throws IOException {</span> |
| <span class="source-line-no">058</span><span id="line-58"> Map.Entry<Long, StoreFileWriter> entry = lowerBoundary2Writer.floorEntry(cell.getTimestamp());</span> |
| <span class="source-line-no">059</span><span id="line-59"> StoreFileWriter writer = entry.getValue();</span> |
| <span class="source-line-no">060</span><span id="line-60"> if (writer == null) {</span> |
| <span class="source-line-no">061</span><span id="line-61"> String lowerBoundaryStoragePolicy = lowerBoundariesPolicies.get(entry.getKey());</span> |
| <span class="source-line-no">062</span><span id="line-62"> if (lowerBoundaryStoragePolicy != null) {</span> |
| <span class="source-line-no">063</span><span id="line-63"> writer = writerFactory.createWriterWithStoragePolicy(lowerBoundaryStoragePolicy);</span> |
| <span class="source-line-no">064</span><span id="line-64"> } else {</span> |
| <span class="source-line-no">065</span><span id="line-65"> writer = writerFactory.createWriter();</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"> lowerBoundary2Writer.put(entry.getKey(), writer);</span> |
| <span class="source-line-no">068</span><span id="line-68"> }</span> |
| <span class="source-line-no">069</span><span id="line-69"> writer.append(cell);</span> |
| <span class="source-line-no">070</span><span id="line-70"> }</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> @Override</span> |
| <span class="source-line-no">073</span><span id="line-73"> protected Collection<StoreFileWriter> writers() {</span> |
| <span class="source-line-no">074</span><span id="line-74"> return lowerBoundary2Writer.values();</span> |
| <span class="source-line-no">075</span><span id="line-75"> }</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> @Override</span> |
| <span class="source-line-no">078</span><span id="line-78"> protected void preCommitWriters() throws IOException {</span> |
| <span class="source-line-no">079</span><span id="line-79"> if (!needEmptyFile) {</span> |
| <span class="source-line-no">080</span><span id="line-80"> return;</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"> for (StoreFileWriter writer : lowerBoundary2Writer.values()) {</span> |
| <span class="source-line-no">083</span><span id="line-83"> if (writer != null) {</span> |
| <span class="source-line-no">084</span><span id="line-84"> return;</span> |
| <span class="source-line-no">085</span><span id="line-85"> }</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"> // we haven't written out any data, create an empty file to retain metadata</span> |
| <span class="source-line-no">088</span><span id="line-88"> lowerBoundary2Writer.put(lowerBoundary2Writer.firstKey(), writerFactory.createWriter());</span> |
| <span class="source-line-no">089</span><span id="line-89"> }</span> |
| <span class="source-line-no">090</span><span id="line-90">}</span> |
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| </pre> |
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