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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 static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.fs.FileStatus;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseCommonTestingUtil;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.testclassification.RegionServerTests;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.util.FSTableDescriptors;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.junit.AfterClass;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.ClassRule;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.Test;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">042</span><span id="line-42"></span> |
| <span class="source-line-no">043</span><span id="line-43">@Category({ RegionServerTests.class, SmallTests.class })</span> |
| <span class="source-line-no">044</span><span id="line-44">public class TestReadAndWriteRegionInfoFile {</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46"> @ClassRule</span> |
| <span class="source-line-no">047</span><span id="line-47"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">048</span><span id="line-48"> HBaseClassTestRule.forClass(TestReadAndWriteRegionInfoFile.class);</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> private static final HBaseCommonTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> private static final Configuration CONF = UTIL.getConfiguration();</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> private static FileSystem FS;</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> private static Path ROOT_DIR;</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> @BeforeClass</span> |
| <span class="source-line-no">059</span><span id="line-59"> public static void setUp() throws IOException {</span> |
| <span class="source-line-no">060</span><span id="line-60"> ROOT_DIR = UTIL.getDataTestDir();</span> |
| <span class="source-line-no">061</span><span id="line-61"> FS = ROOT_DIR.getFileSystem(CONF);</span> |
| <span class="source-line-no">062</span><span id="line-62"> }</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> @AfterClass</span> |
| <span class="source-line-no">065</span><span id="line-65"> public static void tearDown() {</span> |
| <span class="source-line-no">066</span><span id="line-66"> UTIL.cleanupTestDir();</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"> @Test</span> |
| <span class="source-line-no">070</span><span id="line-70"> public void testReadAndWriteRegionInfoFile() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">071</span><span id="line-71"> RegionInfo ri = RegionInfoBuilder.FIRST_META_REGIONINFO;</span> |
| <span class="source-line-no">072</span><span id="line-72"> // Create a region. That'll write the .regioninfo file.</span> |
| <span class="source-line-no">073</span><span id="line-73"> FSTableDescriptors fsTableDescriptors = new FSTableDescriptors(FS, ROOT_DIR);</span> |
| <span class="source-line-no">074</span><span id="line-74"> FSTableDescriptors.tryUpdateAndGetMetaTableDescriptor(CONF, FS, ROOT_DIR);</span> |
| <span class="source-line-no">075</span><span id="line-75"> HRegion r = HBaseTestingUtil.createRegionAndWAL(ri, ROOT_DIR, CONF,</span> |
| <span class="source-line-no">076</span><span id="line-76"> fsTableDescriptors.get(TableName.META_TABLE_NAME));</span> |
| <span class="source-line-no">077</span><span id="line-77"> // Get modtime on the file.</span> |
| <span class="source-line-no">078</span><span id="line-78"> long modtime = getModTime(r);</span> |
| <span class="source-line-no">079</span><span id="line-79"> HBaseTestingUtil.closeRegionAndWAL(r);</span> |
| <span class="source-line-no">080</span><span id="line-80"> Thread.sleep(1001);</span> |
| <span class="source-line-no">081</span><span id="line-81"> r = HRegion.openHRegion(ROOT_DIR, ri, fsTableDescriptors.get(TableName.META_TABLE_NAME), null,</span> |
| <span class="source-line-no">082</span><span id="line-82"> CONF);</span> |
| <span class="source-line-no">083</span><span id="line-83"> // Ensure the file is not written for a second time.</span> |
| <span class="source-line-no">084</span><span id="line-84"> long modtime2 = getModTime(r);</span> |
| <span class="source-line-no">085</span><span id="line-85"> assertEquals(modtime, modtime2);</span> |
| <span class="source-line-no">086</span><span id="line-86"> // Now load the file.</span> |
| <span class="source-line-no">087</span><span id="line-87"> HRegionFileSystem.loadRegionInfoFileContent(r.getRegionFileSystem().getFileSystem(),</span> |
| <span class="source-line-no">088</span><span id="line-88"> r.getRegionFileSystem().getRegionDir());</span> |
| <span class="source-line-no">089</span><span id="line-89"> HBaseTestingUtil.closeRegionAndWAL(r);</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> private long getModTime(final HRegion r) throws IOException {</span> |
| <span class="source-line-no">093</span><span id="line-93"> FileStatus[] statuses = r.getRegionFileSystem().getFileSystem().listStatus(</span> |
| <span class="source-line-no">094</span><span id="line-94"> new Path(r.getRegionFileSystem().getRegionDir(), HRegionFileSystem.REGION_INFO_FILE));</span> |
| <span class="source-line-no">095</span><span id="line-95"> assertTrue(statuses != null && statuses.length == 1);</span> |
| <span class="source-line-no">096</span><span id="line-96"> return statuses[0].getModificationTime();</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98">}</span> |
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| </pre> |
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