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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.util;</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"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Collection;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.List;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.Optional;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.concurrent.ConcurrentHashMap;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.ConcurrentMap;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.function.Predicate;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.CellUtil;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.HBaseCommonTestingUtil;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.Durability;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.client.Get;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.coprocessor.ObserverContext;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.coprocessor.RegionObserver;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.regionserver.DelegatingInternalScanner;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.regionserver.InternalScanner;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.regionserver.Region;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.regionserver.ScanType;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.hbase.regionserver.ScannerContext;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.hbase.regionserver.Store;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hadoop.hbase.regionserver.StoreScanner;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hadoop.hbase.testclassification.MiscTests;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hadoop.hbase.wal.WALEdit;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.junit.AfterClass;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.junit.ClassRule;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.junit.Test;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.junit.runner.RunWith;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.junit.runners.Parameterized;</span> |
| <span class="source-line-no">067</span><span id="line-67">import org.junit.runners.Parameterized.Parameters;</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69">@Category({ MiscTests.class, MediumTests.class })</span> |
| <span class="source-line-no">070</span><span id="line-70">@RunWith(Parameterized.class)</span> |
| <span class="source-line-no">071</span><span id="line-71">public class TestCoprocessorScanPolicy {</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> @ClassRule</span> |
| <span class="source-line-no">074</span><span id="line-74"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">075</span><span id="line-75"> HBaseClassTestRule.forClass(TestCoprocessorScanPolicy.class);</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> protected final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">078</span><span id="line-78"> private static final byte[] F = Bytes.toBytes("fam");</span> |
| <span class="source-line-no">079</span><span id="line-79"> private static final byte[] Q = Bytes.toBytes("qual");</span> |
| <span class="source-line-no">080</span><span id="line-80"> private static final byte[] R = Bytes.toBytes("row");</span> |
| <span class="source-line-no">081</span><span id="line-81"></span> |
| <span class="source-line-no">082</span><span id="line-82"> @BeforeClass</span> |
| <span class="source-line-no">083</span><span id="line-83"> public static void setUpBeforeClass() throws Exception {</span> |
| <span class="source-line-no">084</span><span id="line-84"> Configuration conf = TEST_UTIL.getConfiguration();</span> |
| <span class="source-line-no">085</span><span id="line-85"> conf.setStrings(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY, ScanObserver.class.getName());</span> |
| <span class="source-line-no">086</span><span id="line-86"> TEST_UTIL.startMiniCluster();</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> @AfterClass</span> |
| <span class="source-line-no">090</span><span id="line-90"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">091</span><span id="line-91"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> @Parameters</span> |
| <span class="source-line-no">095</span><span id="line-95"> public static Collection<Object[]> parameters() {</span> |
| <span class="source-line-no">096</span><span id="line-96"> return HBaseCommonTestingUtil.BOOLEAN_PARAMETERIZED;</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> |
| <span class="source-line-no">099</span><span id="line-99"> public TestCoprocessorScanPolicy(boolean parallelSeekEnable) {</span> |
| <span class="source-line-no">100</span><span id="line-100"> TEST_UTIL.getMiniHBaseCluster().getConf()</span> |
| <span class="source-line-no">101</span><span id="line-101"> .setBoolean(StoreScanner.STORESCANNER_PARALLEL_SEEK_ENABLE, parallelSeekEnable);</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> @Test</span> |
| <span class="source-line-no">105</span><span id="line-105"> public void testBaseCases() throws Exception {</span> |
| <span class="source-line-no">106</span><span id="line-106"> TableName tableName = TableName.valueOf("baseCases");</span> |
| <span class="source-line-no">107</span><span id="line-107"> if (TEST_UTIL.getAdmin().tableExists(tableName)) {</span> |
| <span class="source-line-no">108</span><span id="line-108"> TEST_UTIL.deleteTable(tableName);</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"> Table t = TEST_UTIL.createTable(tableName, F, 10);</span> |
| <span class="source-line-no">111</span><span id="line-111"> // insert 3 versions</span> |
| <span class="source-line-no">112</span><span id="line-112"> long now = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">113</span><span id="line-113"> Put p = new Put(R);</span> |
| <span class="source-line-no">114</span><span id="line-114"> p.addColumn(F, Q, now, Q);</span> |
| <span class="source-line-no">115</span><span id="line-115"> t.put(p);</span> |
| <span class="source-line-no">116</span><span id="line-116"> p = new Put(R);</span> |
| <span class="source-line-no">117</span><span id="line-117"> p.addColumn(F, Q, now + 1, Q);</span> |
| <span class="source-line-no">118</span><span id="line-118"> t.put(p);</span> |
| <span class="source-line-no">119</span><span id="line-119"> p = new Put(R);</span> |
| <span class="source-line-no">120</span><span id="line-120"> p.addColumn(F, Q, now + 2, Q);</span> |
| <span class="source-line-no">121</span><span id="line-121"> t.put(p);</span> |
| <span class="source-line-no">122</span><span id="line-122"></span> |
| <span class="source-line-no">123</span><span id="line-123"> Get g = new Get(R);</span> |
| <span class="source-line-no">124</span><span id="line-124"> g.readVersions(10);</span> |
| <span class="source-line-no">125</span><span id="line-125"> Result r = t.get(g);</span> |
| <span class="source-line-no">126</span><span id="line-126"> assertEquals(3, r.size());</span> |
| <span class="source-line-no">127</span><span id="line-127"></span> |
| <span class="source-line-no">128</span><span id="line-128"> TEST_UTIL.flush(tableName);</span> |
| <span class="source-line-no">129</span><span id="line-129"> TEST_UTIL.compact(tableName, true);</span> |
| <span class="source-line-no">130</span><span id="line-130"></span> |
| <span class="source-line-no">131</span><span id="line-131"> // still visible after a flush/compaction</span> |
| <span class="source-line-no">132</span><span id="line-132"> r = t.get(g);</span> |
| <span class="source-line-no">133</span><span id="line-133"> assertEquals(3, r.size());</span> |
| <span class="source-line-no">134</span><span id="line-134"></span> |
| <span class="source-line-no">135</span><span id="line-135"> // set the version override to 2</span> |
| <span class="source-line-no">136</span><span id="line-136"> p = new Put(R);</span> |
| <span class="source-line-no">137</span><span id="line-137"> p.setAttribute("versions", new byte[] {});</span> |
| <span class="source-line-no">138</span><span id="line-138"> p.addColumn(F, tableName.getName(), Bytes.toBytes(2));</span> |
| <span class="source-line-no">139</span><span id="line-139"> t.put(p);</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> // only 2 versions now</span> |
| <span class="source-line-no">142</span><span id="line-142"> r = t.get(g);</span> |
| <span class="source-line-no">143</span><span id="line-143"> assertEquals(2, r.size());</span> |
| <span class="source-line-no">144</span><span id="line-144"></span> |
| <span class="source-line-no">145</span><span id="line-145"> TEST_UTIL.flush(tableName);</span> |
| <span class="source-line-no">146</span><span id="line-146"> TEST_UTIL.compact(tableName, true);</span> |
| <span class="source-line-no">147</span><span id="line-147"></span> |
| <span class="source-line-no">148</span><span id="line-148"> // still 2 versions after a flush/compaction</span> |
| <span class="source-line-no">149</span><span id="line-149"> r = t.get(g);</span> |
| <span class="source-line-no">150</span><span id="line-150"> assertEquals(2, r.size());</span> |
| <span class="source-line-no">151</span><span id="line-151"></span> |
| <span class="source-line-no">152</span><span id="line-152"> // insert a new version</span> |
| <span class="source-line-no">153</span><span id="line-153"> p.addColumn(F, Q, now + 3, Q);</span> |
| <span class="source-line-no">154</span><span id="line-154"> t.put(p);</span> |
| <span class="source-line-no">155</span><span id="line-155"></span> |
| <span class="source-line-no">156</span><span id="line-156"> // still 2 versions</span> |
| <span class="source-line-no">157</span><span id="line-157"> r = t.get(g);</span> |
| <span class="source-line-no">158</span><span id="line-158"> assertEquals(2, r.size());</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> t.close();</span> |
| <span class="source-line-no">161</span><span id="line-161"> }</span> |
| <span class="source-line-no">162</span><span id="line-162"></span> |
| <span class="source-line-no">163</span><span id="line-163"> @Test</span> |
| <span class="source-line-no">164</span><span id="line-164"> public void testTTL() throws Exception {</span> |
| <span class="source-line-no">165</span><span id="line-165"> TableName tableName = TableName.valueOf("testTTL");</span> |
| <span class="source-line-no">166</span><span id="line-166"> if (TEST_UTIL.getAdmin().tableExists(tableName)) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> TEST_UTIL.deleteTable(tableName);</span> |
| <span class="source-line-no">168</span><span id="line-168"> }</span> |
| <span class="source-line-no">169</span><span id="line-169"> Table t = TEST_UTIL.createTable(tableName, F, 10);</span> |
| <span class="source-line-no">170</span><span id="line-170"> long now = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">171</span><span id="line-171"> ManualEnvironmentEdge me = new ManualEnvironmentEdge();</span> |
| <span class="source-line-no">172</span><span id="line-172"> me.setValue(now);</span> |
| <span class="source-line-no">173</span><span id="line-173"> EnvironmentEdgeManagerTestHelper.injectEdge(me);</span> |
| <span class="source-line-no">174</span><span id="line-174"> // 2s in the past</span> |
| <span class="source-line-no">175</span><span id="line-175"> long ts = now - 2000;</span> |
| <span class="source-line-no">176</span><span id="line-176"></span> |
| <span class="source-line-no">177</span><span id="line-177"> Put p = new Put(R);</span> |
| <span class="source-line-no">178</span><span id="line-178"> p.addColumn(F, Q, ts, Q);</span> |
| <span class="source-line-no">179</span><span id="line-179"> t.put(p);</span> |
| <span class="source-line-no">180</span><span id="line-180"> p = new Put(R);</span> |
| <span class="source-line-no">181</span><span id="line-181"> p.addColumn(F, Q, ts + 1, Q);</span> |
| <span class="source-line-no">182</span><span id="line-182"> t.put(p);</span> |
| <span class="source-line-no">183</span><span id="line-183"></span> |
| <span class="source-line-no">184</span><span id="line-184"> // Set the TTL override to 3s</span> |
| <span class="source-line-no">185</span><span id="line-185"> p = new Put(R);</span> |
| <span class="source-line-no">186</span><span id="line-186"> p.setAttribute("ttl", new byte[] {});</span> |
| <span class="source-line-no">187</span><span id="line-187"> p.addColumn(F, tableName.getName(), Bytes.toBytes(3000L));</span> |
| <span class="source-line-no">188</span><span id="line-188"> t.put(p);</span> |
| <span class="source-line-no">189</span><span id="line-189"> // these two should still be there</span> |
| <span class="source-line-no">190</span><span id="line-190"> Get g = new Get(R);</span> |
| <span class="source-line-no">191</span><span id="line-191"> g.readAllVersions();</span> |
| <span class="source-line-no">192</span><span id="line-192"> Result r = t.get(g);</span> |
| <span class="source-line-no">193</span><span id="line-193"> // still there?</span> |
| <span class="source-line-no">194</span><span id="line-194"> assertEquals(2, r.size());</span> |
| <span class="source-line-no">195</span><span id="line-195"></span> |
| <span class="source-line-no">196</span><span id="line-196"> TEST_UTIL.flush(tableName);</span> |
| <span class="source-line-no">197</span><span id="line-197"> TEST_UTIL.compact(tableName, true);</span> |
| <span class="source-line-no">198</span><span id="line-198"></span> |
| <span class="source-line-no">199</span><span id="line-199"> g = new Get(R);</span> |
| <span class="source-line-no">200</span><span id="line-200"> g.readAllVersions();</span> |
| <span class="source-line-no">201</span><span id="line-201"> r = t.get(g);</span> |
| <span class="source-line-no">202</span><span id="line-202"> // still there?</span> |
| <span class="source-line-no">203</span><span id="line-203"> assertEquals(2, r.size());</span> |
| <span class="source-line-no">204</span><span id="line-204"></span> |
| <span class="source-line-no">205</span><span id="line-205"> // roll time forward 2s.</span> |
| <span class="source-line-no">206</span><span id="line-206"> me.setValue(now + 2000);</span> |
| <span class="source-line-no">207</span><span id="line-207"> // now verify that data eventually does expire</span> |
| <span class="source-line-no">208</span><span id="line-208"> g = new Get(R);</span> |
| <span class="source-line-no">209</span><span id="line-209"> g.readAllVersions();</span> |
| <span class="source-line-no">210</span><span id="line-210"> r = t.get(g);</span> |
| <span class="source-line-no">211</span><span id="line-211"> // should be gone now</span> |
| <span class="source-line-no">212</span><span id="line-212"> assertEquals(0, r.size());</span> |
| <span class="source-line-no">213</span><span id="line-213"> t.close();</span> |
| <span class="source-line-no">214</span><span id="line-214"> EnvironmentEdgeManager.reset();</span> |
| <span class="source-line-no">215</span><span id="line-215"> }</span> |
| <span class="source-line-no">216</span><span id="line-216"></span> |
| <span class="source-line-no">217</span><span id="line-217"> public static class ScanObserver implements RegionCoprocessor, RegionObserver {</span> |
| <span class="source-line-no">218</span><span id="line-218"> private final ConcurrentMap<TableName, Long> ttls = new ConcurrentHashMap<>();</span> |
| <span class="source-line-no">219</span><span id="line-219"> private final ConcurrentMap<TableName, Integer> versions = new ConcurrentHashMap<>();</span> |
| <span class="source-line-no">220</span><span id="line-220"></span> |
| <span class="source-line-no">221</span><span id="line-221"> @Override</span> |
| <span class="source-line-no">222</span><span id="line-222"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">223</span><span id="line-223"> return Optional.of(this);</span> |
| <span class="source-line-no">224</span><span id="line-224"> }</span> |
| <span class="source-line-no">225</span><span id="line-225"></span> |
| <span class="source-line-no">226</span><span id="line-226"> // lame way to communicate with the coprocessor,</span> |
| <span class="source-line-no">227</span><span id="line-227"> // since it is loaded by a different class loader</span> |
| <span class="source-line-no">228</span><span id="line-228"> @Override</span> |
| <span class="source-line-no">229</span><span id="line-229"> public void prePut(final ObserverContext<RegionCoprocessorEnvironment> c, final Put put,</span> |
| <span class="source-line-no">230</span><span id="line-230"> final WALEdit edit, final Durability durability) throws IOException {</span> |
| <span class="source-line-no">231</span><span id="line-231"> if (put.getAttribute("ttl") != null) {</span> |
| <span class="source-line-no">232</span><span id="line-232"> Cell cell = put.getFamilyCellMap().values().stream().findFirst().get().get(0);</span> |
| <span class="source-line-no">233</span><span id="line-233"> ttls.put(</span> |
| <span class="source-line-no">234</span><span id="line-234"> TableName.valueOf(Bytes.toString(cell.getQualifierArray(), cell.getQualifierOffset(),</span> |
| <span class="source-line-no">235</span><span id="line-235"> cell.getQualifierLength())),</span> |
| <span class="source-line-no">236</span><span id="line-236"> Bytes.toLong(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength()));</span> |
| <span class="source-line-no">237</span><span id="line-237"> c.bypass();</span> |
| <span class="source-line-no">238</span><span id="line-238"> } else if (put.getAttribute("versions") != null) {</span> |
| <span class="source-line-no">239</span><span id="line-239"> Cell cell = put.getFamilyCellMap().values().stream().findFirst().get().get(0);</span> |
| <span class="source-line-no">240</span><span id="line-240"> versions.put(</span> |
| <span class="source-line-no">241</span><span id="line-241"> TableName.valueOf(Bytes.toString(cell.getQualifierArray(), cell.getQualifierOffset(),</span> |
| <span class="source-line-no">242</span><span id="line-242"> cell.getQualifierLength())),</span> |
| <span class="source-line-no">243</span><span id="line-243"> Bytes.toInt(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength()));</span> |
| <span class="source-line-no">244</span><span id="line-244"> c.bypass();</span> |
| <span class="source-line-no">245</span><span id="line-245"> }</span> |
| <span class="source-line-no">246</span><span id="line-246"> }</span> |
| <span class="source-line-no">247</span><span id="line-247"></span> |
| <span class="source-line-no">248</span><span id="line-248"> private InternalScanner wrap(Store store, InternalScanner scanner) {</span> |
| <span class="source-line-no">249</span><span id="line-249"> Long ttl = this.ttls.get(store.getTableName());</span> |
| <span class="source-line-no">250</span><span id="line-250"> Integer version = this.versions.get(store.getTableName());</span> |
| <span class="source-line-no">251</span><span id="line-251"> return new DelegatingInternalScanner(scanner) {</span> |
| <span class="source-line-no">252</span><span id="line-252"></span> |
| <span class="source-line-no">253</span><span id="line-253"> private byte[] row;</span> |
| <span class="source-line-no">254</span><span id="line-254"></span> |
| <span class="source-line-no">255</span><span id="line-255"> private byte[] qualifier;</span> |
| <span class="source-line-no">256</span><span id="line-256"></span> |
| <span class="source-line-no">257</span><span id="line-257"> private int count;</span> |
| <span class="source-line-no">258</span><span id="line-258"></span> |
| <span class="source-line-no">259</span><span id="line-259"> private Predicate<Cell> checkTtl(long now, long ttl) {</span> |
| <span class="source-line-no">260</span><span id="line-260"> return c -> now - c.getTimestamp() > ttl;</span> |
| <span class="source-line-no">261</span><span id="line-261"> }</span> |
| <span class="source-line-no">262</span><span id="line-262"></span> |
| <span class="source-line-no">263</span><span id="line-263"> private Predicate<Cell> checkVersion(Cell firstCell, int version) {</span> |
| <span class="source-line-no">264</span><span id="line-264"> if (version == 0) {</span> |
| <span class="source-line-no">265</span><span id="line-265"> return c -> true;</span> |
| <span class="source-line-no">266</span><span id="line-266"> } else {</span> |
| <span class="source-line-no">267</span><span id="line-267"> if (row == null || !CellUtil.matchingRows(firstCell, row)) {</span> |
| <span class="source-line-no">268</span><span id="line-268"> row = CellUtil.cloneRow(firstCell);</span> |
| <span class="source-line-no">269</span><span id="line-269"> // reset qualifier as there is a row change</span> |
| <span class="source-line-no">270</span><span id="line-270"> qualifier = null;</span> |
| <span class="source-line-no">271</span><span id="line-271"> }</span> |
| <span class="source-line-no">272</span><span id="line-272"> return c -> {</span> |
| <span class="source-line-no">273</span><span id="line-273"> if (qualifier != null && CellUtil.matchingQualifier(c, qualifier)) {</span> |
| <span class="source-line-no">274</span><span id="line-274"> if (count >= version) {</span> |
| <span class="source-line-no">275</span><span id="line-275"> return true;</span> |
| <span class="source-line-no">276</span><span id="line-276"> }</span> |
| <span class="source-line-no">277</span><span id="line-277"> count++;</span> |
| <span class="source-line-no">278</span><span id="line-278"> return false;</span> |
| <span class="source-line-no">279</span><span id="line-279"> } else { // qualifier switch</span> |
| <span class="source-line-no">280</span><span id="line-280"> qualifier = CellUtil.cloneQualifier(c);</span> |
| <span class="source-line-no">281</span><span id="line-281"> count = 1;</span> |
| <span class="source-line-no">282</span><span id="line-282"> return false;</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"> };</span> |
| <span class="source-line-no">285</span><span id="line-285"> }</span> |
| <span class="source-line-no">286</span><span id="line-286"> }</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> @Override</span> |
| <span class="source-line-no">289</span><span id="line-289"> public boolean next(List<Cell> result, ScannerContext scannerContext) throws IOException {</span> |
| <span class="source-line-no">290</span><span id="line-290"> boolean moreRows = scanner.next(result, scannerContext);</span> |
| <span class="source-line-no">291</span><span id="line-291"> if (result.isEmpty()) {</span> |
| <span class="source-line-no">292</span><span id="line-292"> return moreRows;</span> |
| <span class="source-line-no">293</span><span id="line-293"> }</span> |
| <span class="source-line-no">294</span><span id="line-294"> long now = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">295</span><span id="line-295"> Predicate<Cell> predicate = null;</span> |
| <span class="source-line-no">296</span><span id="line-296"> if (ttl != null) {</span> |
| <span class="source-line-no">297</span><span id="line-297"> predicate = checkTtl(now, ttl);</span> |
| <span class="source-line-no">298</span><span id="line-298"> }</span> |
| <span class="source-line-no">299</span><span id="line-299"> if (version != null) {</span> |
| <span class="source-line-no">300</span><span id="line-300"> Predicate<Cell> vp = checkVersion(result.get(0), version);</span> |
| <span class="source-line-no">301</span><span id="line-301"> if (predicate != null) {</span> |
| <span class="source-line-no">302</span><span id="line-302"> predicate = predicate.and(vp);</span> |
| <span class="source-line-no">303</span><span id="line-303"> } else {</span> |
| <span class="source-line-no">304</span><span id="line-304"> predicate = vp;</span> |
| <span class="source-line-no">305</span><span id="line-305"> }</span> |
| <span class="source-line-no">306</span><span id="line-306"> }</span> |
| <span class="source-line-no">307</span><span id="line-307"> if (predicate != null) {</span> |
| <span class="source-line-no">308</span><span id="line-308"> result.removeIf(predicate);</span> |
| <span class="source-line-no">309</span><span id="line-309"> }</span> |
| <span class="source-line-no">310</span><span id="line-310"> return moreRows;</span> |
| <span class="source-line-no">311</span><span id="line-311"> }</span> |
| <span class="source-line-no">312</span><span id="line-312"> };</span> |
| <span class="source-line-no">313</span><span id="line-313"> }</span> |
| <span class="source-line-no">314</span><span id="line-314"></span> |
| <span class="source-line-no">315</span><span id="line-315"> @Override</span> |
| <span class="source-line-no">316</span><span id="line-316"> public InternalScanner preFlush(ObserverContext<RegionCoprocessorEnvironment> c, Store store,</span> |
| <span class="source-line-no">317</span><span id="line-317"> InternalScanner scanner, FlushLifeCycleTracker tracker) throws IOException {</span> |
| <span class="source-line-no">318</span><span id="line-318"> return wrap(store, scanner);</span> |
| <span class="source-line-no">319</span><span id="line-319"> }</span> |
| <span class="source-line-no">320</span><span id="line-320"></span> |
| <span class="source-line-no">321</span><span id="line-321"> @Override</span> |
| <span class="source-line-no">322</span><span id="line-322"> public InternalScanner preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store,</span> |
| <span class="source-line-no">323</span><span id="line-323"> InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker,</span> |
| <span class="source-line-no">324</span><span id="line-324"> CompactionRequest request) throws IOException {</span> |
| <span class="source-line-no">325</span><span id="line-325"> return wrap(store, scanner);</span> |
| <span class="source-line-no">326</span><span id="line-326"> }</span> |
| <span class="source-line-no">327</span><span id="line-327"></span> |
| <span class="source-line-no">328</span><span id="line-328"> @Override</span> |
| <span class="source-line-no">329</span><span id="line-329"> public void preGetOp(ObserverContext<RegionCoprocessorEnvironment> c, Get get,</span> |
| <span class="source-line-no">330</span><span id="line-330"> List<Cell> result) throws IOException {</span> |
| <span class="source-line-no">331</span><span id="line-331"> TableName tableName = c.getEnvironment().getRegion().getTableDescriptor().getTableName();</span> |
| <span class="source-line-no">332</span><span id="line-332"> Long ttl = this.ttls.get(tableName);</span> |
| <span class="source-line-no">333</span><span id="line-333"> if (ttl != null) {</span> |
| <span class="source-line-no">334</span><span id="line-334"> get.setTimeRange(EnvironmentEdgeManager.currentTime() - ttl, get.getTimeRange().getMax());</span> |
| <span class="source-line-no">335</span><span id="line-335"> }</span> |
| <span class="source-line-no">336</span><span id="line-336"> Integer version = this.versions.get(tableName);</span> |
| <span class="source-line-no">337</span><span id="line-337"> if (version != null) {</span> |
| <span class="source-line-no">338</span><span id="line-338"> get.readVersions(version);</span> |
| <span class="source-line-no">339</span><span id="line-339"> }</span> |
| <span class="source-line-no">340</span><span id="line-340"> }</span> |
| <span class="source-line-no">341</span><span id="line-341"></span> |
| <span class="source-line-no">342</span><span id="line-342"> @Override</span> |
| <span class="source-line-no">343</span><span id="line-343"> public void preScannerOpen(ObserverContext<RegionCoprocessorEnvironment> c, Scan scan)</span> |
| <span class="source-line-no">344</span><span id="line-344"> throws IOException {</span> |
| <span class="source-line-no">345</span><span id="line-345"> Region region = c.getEnvironment().getRegion();</span> |
| <span class="source-line-no">346</span><span id="line-346"> TableName tableName = region.getTableDescriptor().getTableName();</span> |
| <span class="source-line-no">347</span><span id="line-347"> Long ttl = this.ttls.get(tableName);</span> |
| <span class="source-line-no">348</span><span id="line-348"> if (ttl != null) {</span> |
| <span class="source-line-no">349</span><span id="line-349"> scan.setTimeRange(EnvironmentEdgeManager.currentTime() - ttl, scan.getTimeRange().getMax());</span> |
| <span class="source-line-no">350</span><span id="line-350"> }</span> |
| <span class="source-line-no">351</span><span id="line-351"> Integer version = this.versions.get(tableName);</span> |
| <span class="source-line-no">352</span><span id="line-352"> if (version != null) {</span> |
| <span class="source-line-no">353</span><span id="line-353"> scan.readVersions(version);</span> |
| <span class="source-line-no">354</span><span id="line-354"> }</span> |
| <span class="source-line-no">355</span><span id="line-355"> }</span> |
| <span class="source-line-no">356</span><span id="line-356"> }</span> |
| <span class="source-line-no">357</span><span id="line-357">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
