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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.List;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.NotServingRegionException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.executor.EventType;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.procedure2.BaseRSProcedureCallable;</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">import org.slf4j.Logger;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">030</span><span id="line-30"></span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;</span> |
| <span class="source-line-no">032</span><span id="line-32"></span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.FlushRegionParameter;</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36">@InterfaceAudience.Private</span> |
| <span class="source-line-no">037</span><span id="line-37">public class FlushRegionCallable extends BaseRSProcedureCallable {</span> |
| <span class="source-line-no">038</span><span id="line-38"></span> |
| <span class="source-line-no">039</span><span id="line-39"> private static final Logger LOG = LoggerFactory.getLogger(FlushRegionCallable.class);</span> |
| <span class="source-line-no">040</span><span id="line-40"></span> |
| <span class="source-line-no">041</span><span id="line-41"> private RegionInfo regionInfo;</span> |
| <span class="source-line-no">042</span><span id="line-42"></span> |
| <span class="source-line-no">043</span><span id="line-43"> private List<byte[]> columnFamilies;</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45"> @Override</span> |
| <span class="source-line-no">046</span><span id="line-46"> protected void doCall() throws Exception {</span> |
| <span class="source-line-no">047</span><span id="line-47"> HRegion region = rs.getRegion(regionInfo.getEncodedName());</span> |
| <span class="source-line-no">048</span><span id="line-48"> if (region == null) {</span> |
| <span class="source-line-no">049</span><span id="line-49"> throw new NotServingRegionException("region=" + regionInfo.getRegionNameAsString());</span> |
| <span class="source-line-no">050</span><span id="line-50"> }</span> |
| <span class="source-line-no">051</span><span id="line-51"> LOG.debug("Starting region operation on {}", region);</span> |
| <span class="source-line-no">052</span><span id="line-52"> region.startRegionOperation();</span> |
| <span class="source-line-no">053</span><span id="line-53"> try {</span> |
| <span class="source-line-no">054</span><span id="line-54"> HRegion.FlushResult res;</span> |
| <span class="source-line-no">055</span><span id="line-55"> if (columnFamilies == null) {</span> |
| <span class="source-line-no">056</span><span id="line-56"> res = region.flush(true);</span> |
| <span class="source-line-no">057</span><span id="line-57"> } else {</span> |
| <span class="source-line-no">058</span><span id="line-58"> res = region.flushcache(columnFamilies, false, FlushLifeCycleTracker.DUMMY);</span> |
| <span class="source-line-no">059</span><span id="line-59"> }</span> |
| <span class="source-line-no">060</span><span id="line-60"> if (res.getResult() == HRegion.FlushResult.Result.CANNOT_FLUSH) {</span> |
| <span class="source-line-no">061</span><span id="line-61"> throw new IOException("Unable to complete flush " + regionInfo);</span> |
| <span class="source-line-no">062</span><span id="line-62"> }</span> |
| <span class="source-line-no">063</span><span id="line-63"> } finally {</span> |
| <span class="source-line-no">064</span><span id="line-64"> LOG.debug("Closing region operation on {}", region);</span> |
| <span class="source-line-no">065</span><span id="line-65"> region.closeRegionOperation();</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"> }</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> @Override</span> |
| <span class="source-line-no">070</span><span id="line-70"> protected void initParameter(byte[] parameter) throws Exception {</span> |
| <span class="source-line-no">071</span><span id="line-71"> FlushRegionParameter param = FlushRegionParameter.parseFrom(parameter);</span> |
| <span class="source-line-no">072</span><span id="line-72"> this.regionInfo = ProtobufUtil.toRegionInfo(param.getRegion());</span> |
| <span class="source-line-no">073</span><span id="line-73"> if (param.getColumnFamilyCount() > 0) {</span> |
| <span class="source-line-no">074</span><span id="line-74"> this.columnFamilies = param.getColumnFamilyList().stream().filter(cf -> !cf.isEmpty())</span> |
| <span class="source-line-no">075</span><span id="line-75"> .map(ByteString::toByteArray).collect(Collectors.toList());</span> |
| <span class="source-line-no">076</span><span id="line-76"> }</span> |
| <span class="source-line-no">077</span><span id="line-77"> }</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> @Override</span> |
| <span class="source-line-no">080</span><span id="line-80"> public EventType getEventType() {</span> |
| <span class="source-line-no">081</span><span id="line-81"> return EventType.RS_FLUSH_REGIONS;</span> |
| <span class="source-line-no">082</span><span id="line-82"> }</span> |
| <span class="source-line-no">083</span><span id="line-83">}</span> |
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| </pre> |
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