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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.io;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertTrue;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.regex.Matcher;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.fs.Path;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.TableName;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.testclassification.IOTests;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.junit.Assert;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.junit.ClassRule;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.junit.Rule;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.junit.Test;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.junit.experimental.categories.Category;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.junit.rules.TestName;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span><a name="line.38"></a> |
| <span class="sourceLineNo">039</span>/**<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * Test that FileLink switches between alternate locations when the current location moves or gets<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * deleted.<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> */<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>@Category({ IOTests.class, SmallTests.class })<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>public class TestHFileLink {<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> @ClassRule<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> HBaseClassTestRule.forClass(TestHFileLink.class);<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> @Rule<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> public TestName name = new TestName();<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> @Test<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> public void testValidLinkNames() {<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> String validLinkNames[] = { "foo=fefefe-0123456", "ns=foo=abababa-fefefefe" };<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> for (String name : validLinkNames) {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> Assert.assertTrue("Failed validating:" + name, name.matches(HFileLink.LINK_NAME_REGEX));<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> }<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> for (String name : validLinkNames) {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> Assert.assertTrue("Failed validating:" + name, HFileLink.isHFileLink(name));<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> }<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> String testName = name.getMethodName() + "=fefefe-0123456";<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> Assert.assertEquals(TableName.valueOf(name.getMethodName()),<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> HFileLink.getReferencedTableName(testName));<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> Assert.assertEquals("fefefe", HFileLink.getReferencedRegionName(testName));<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> Assert.assertEquals("0123456", HFileLink.getReferencedHFileName(testName));<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> Assert.assertEquals(testName,<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> HFileLink.createHFileLinkName(TableName.valueOf(name.getMethodName()), "fefefe", "0123456"));<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> testName = "ns=" + name.getMethodName() + "=fefefe-0123456";<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> Assert.assertEquals(TableName.valueOf("ns", name.getMethodName()),<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> HFileLink.getReferencedTableName(testName));<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> Assert.assertEquals("fefefe", HFileLink.getReferencedRegionName(testName));<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> Assert.assertEquals("0123456", HFileLink.getReferencedHFileName(testName));<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> Assert.assertEquals(testName, HFileLink<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> .createHFileLinkName(TableName.valueOf("ns", name.getMethodName()), "fefefe", "0123456"));<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> for (String name : validLinkNames) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> Matcher m = HFileLink.LINK_NAME_PATTERN.matcher(name);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> assertTrue(m.matches());<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> Assert.assertEquals(HFileLink.getReferencedTableName(name),<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> TableName.valueOf(m.group(1), m.group(2)));<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> Assert.assertEquals(HFileLink.getReferencedRegionName(name), m.group(3));<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> Assert.assertEquals(HFileLink.getReferencedHFileName(name), m.group(4));<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> @Test<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> public void testBackReference() {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> Path rootDir = new Path("/root");<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> Path archiveDir = new Path(rootDir, ".archive");<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> String storeFileName = "121212";<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> String linkDir = FileLink.BACK_REFERENCES_DIRECTORY_PREFIX + storeFileName;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> String encodedRegion = "FEFE";<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> String cf = "cf1";<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> TableName refTables[] =<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> { TableName.valueOf(name.getMethodName()), TableName.valueOf("ns", name.getMethodName()) };<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> for (TableName refTable : refTables) {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> Path refTableDir = CommonFSUtils.getTableDir(archiveDir, refTable);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> Path refRegionDir = HRegion.getRegionDir(refTableDir, encodedRegion);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> Path refDir = new Path(refRegionDir, cf);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> Path refLinkDir = new Path(refDir, linkDir);<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> String refStoreFileName = refTable.getNameAsString().replace(TableName.NAMESPACE_DELIM, '=')<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> + "=" + encodedRegion + "-" + storeFileName;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> TableName tableNames[] = { TableName.valueOf(name.getMethodName() + "1"),<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> TableName.valueOf("ns", name.getMethodName() + "2"),<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> TableName.valueOf(name.getMethodName() + ":" + name.getMethodName()) };<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> for (TableName tableName : tableNames) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> Path tableDir = CommonFSUtils.getTableDir(rootDir, tableName);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> Path regionDir = HRegion.getRegionDir(tableDir, encodedRegion);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> Path cfDir = new Path(regionDir, cf);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> // Verify back reference creation<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> assertEquals(<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> encodedRegion + "." + tableName.getNameAsString().replace(TableName.NAMESPACE_DELIM, '='),<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> HFileLink.createBackReferenceName(CommonFSUtils.getTableName(tableDir).getNameAsString(),<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> encodedRegion));<a name="line.124"></a> |
| <span class="sourceLineNo">125</span><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> // verify parsing back reference<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> Pair<TableName, String> parsedRef = HFileLink.parseBackReferenceName(encodedRegion + "."<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> + tableName.getNameAsString().replace(TableName.NAMESPACE_DELIM, '='));<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> assertEquals(parsedRef.getFirst(), tableName);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> assertEquals(encodedRegion, parsedRef.getSecond());<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> // verify resolving back reference<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> Path storeFileDir = new Path(refLinkDir, encodedRegion + "."<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> + tableName.getNameAsString().replace(TableName.NAMESPACE_DELIM, '='));<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> Path linkPath = new Path(cfDir, refStoreFileName);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> assertEquals(linkPath, HFileLink.getHFileFromBackReference(rootDir, storeFileDir));<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> }<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span>}<a name="line.141"></a> |
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| </pre> |
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