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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.client;</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.apache.hadoop.hbase.HConstants.EMPTY_START_ROW;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.HConstants.HBASE_CLIENT_META_OPERATION_TIMEOUT;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.apache.hadoop.hbase.coprocessor.CoprocessorHost.REGION_COPROCESSOR_CONF_KEY;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.hamcrest.CoreMatchers.instanceOf;</span> |
| <span class="source-line-no">024</span><span id="line-24">import static org.hamcrest.MatcherAssert.assertThat;</span> |
| <span class="source-line-no">025</span><span id="line-25">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">026</span><span id="line-26">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">027</span><span id="line-27">import static org.junit.Assert.fail;</span> |
| <span class="source-line-no">028</span><span id="line-28"></span> |
| <span class="source-line-no">029</span><span id="line-29">import java.io.IOException;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.Optional;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.concurrent.CompletionException;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.concurrent.ExecutionException;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.concurrent.atomic.AtomicReference;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.HRegionLocation;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.TableNotFoundException;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.coprocessor.ObserverContext;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.coprocessor.RegionObserver;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.exceptions.TimeoutIOException;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.security.User;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.testclassification.ClientTests;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.junit.After;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.junit.AfterClass;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.junit.ClassRule;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.junit.Test;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hbase.thirdparty.com.google.common.io.Closeables;</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60">@Category({ MediumTests.class, ClientTests.class })</span> |
| <span class="source-line-no">061</span><span id="line-61">public class TestAsyncRegionLocator {</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> @ClassRule</span> |
| <span class="source-line-no">064</span><span id="line-64"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">065</span><span id="line-65"> HBaseClassTestRule.forClass(TestAsyncRegionLocator.class);</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> private static TableName TABLE_NAME = TableName.valueOf("async");</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> private static byte[] FAMILY = Bytes.toBytes("cf");</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> private static AsyncConnectionImpl CONN;</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> private static AsyncRegionLocator LOCATOR;</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> private static volatile long SLEEP_MS = 0L;</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> public static class SleepRegionObserver implements RegionCoprocessor, RegionObserver {</span> |
| <span class="source-line-no">080</span><span id="line-80"> @Override</span> |
| <span class="source-line-no">081</span><span id="line-81"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">082</span><span id="line-82"> return Optional.of(this);</span> |
| <span class="source-line-no">083</span><span id="line-83"> }</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> @Override</span> |
| <span class="source-line-no">086</span><span id="line-86"> public void preScannerOpen(ObserverContext<RegionCoprocessorEnvironment> e, Scan scan)</span> |
| <span class="source-line-no">087</span><span id="line-87"> throws IOException {</span> |
| <span class="source-line-no">088</span><span id="line-88"> if (SLEEP_MS > 0) {</span> |
| <span class="source-line-no">089</span><span id="line-89"> Threads.sleepWithoutInterrupt(SLEEP_MS);</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"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> @BeforeClass</span> |
| <span class="source-line-no">095</span><span id="line-95"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">096</span><span id="line-96"> Configuration conf = TEST_UTIL.getConfiguration();</span> |
| <span class="source-line-no">097</span><span id="line-97"> conf.set(REGION_COPROCESSOR_CONF_KEY, SleepRegionObserver.class.getName());</span> |
| <span class="source-line-no">098</span><span id="line-98"> conf.setLong(HBASE_CLIENT_META_OPERATION_TIMEOUT, 2000);</span> |
| <span class="source-line-no">099</span><span id="line-99"> TEST_UTIL.startMiniCluster(1);</span> |
| <span class="source-line-no">100</span><span id="line-100"> TEST_UTIL.createTable(TABLE_NAME, FAMILY);</span> |
| <span class="source-line-no">101</span><span id="line-101"> TEST_UTIL.waitTableAvailable(TABLE_NAME);</span> |
| <span class="source-line-no">102</span><span id="line-102"> ConnectionRegistry registry =</span> |
| <span class="source-line-no">103</span><span id="line-103"> ConnectionRegistryFactory.create(TEST_UTIL.getConfiguration(), User.getCurrent());</span> |
| <span class="source-line-no">104</span><span id="line-104"> CONN = new AsyncConnectionImpl(TEST_UTIL.getConfiguration(), registry,</span> |
| <span class="source-line-no">105</span><span id="line-105"> registry.getClusterId().get(), null, User.getCurrent());</span> |
| <span class="source-line-no">106</span><span id="line-106"> LOCATOR = CONN.getLocator();</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> @AfterClass</span> |
| <span class="source-line-no">110</span><span id="line-110"> public static void tearDown() throws Exception {</span> |
| <span class="source-line-no">111</span><span id="line-111"> Closeables.close(CONN, true);</span> |
| <span class="source-line-no">112</span><span id="line-112"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">113</span><span id="line-113"> }</span> |
| <span class="source-line-no">114</span><span id="line-114"></span> |
| <span class="source-line-no">115</span><span id="line-115"> @After</span> |
| <span class="source-line-no">116</span><span id="line-116"> public void tearDownAfterTest() {</span> |
| <span class="source-line-no">117</span><span id="line-117"> LOCATOR.clearCache();</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"></span> |
| <span class="source-line-no">120</span><span id="line-120"> @Test</span> |
| <span class="source-line-no">121</span><span id="line-121"> public void testTimeout() throws InterruptedException, ExecutionException {</span> |
| <span class="source-line-no">122</span><span id="line-122"> SLEEP_MS = 1000;</span> |
| <span class="source-line-no">123</span><span id="line-123"> long startNs = System.nanoTime();</span> |
| <span class="source-line-no">124</span><span id="line-124"> try {</span> |
| <span class="source-line-no">125</span><span id="line-125"> LOCATOR.getRegionLocation(TABLE_NAME, EMPTY_START_ROW, RegionLocateType.CURRENT,</span> |
| <span class="source-line-no">126</span><span id="line-126"> TimeUnit.MILLISECONDS.toNanos(500)).get();</span> |
| <span class="source-line-no">127</span><span id="line-127"> fail();</span> |
| <span class="source-line-no">128</span><span id="line-128"> } catch (ExecutionException e) {</span> |
| <span class="source-line-no">129</span><span id="line-129"> assertThat(e.getCause(), instanceOf(TimeoutIOException.class));</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"> long costMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNs);</span> |
| <span class="source-line-no">132</span><span id="line-132"> assertTrue(costMs >= 500);</span> |
| <span class="source-line-no">133</span><span id="line-133"> assertTrue(costMs < 1000);</span> |
| <span class="source-line-no">134</span><span id="line-134"> // wait for the background task finish</span> |
| <span class="source-line-no">135</span><span id="line-135"> Thread.sleep(2000);</span> |
| <span class="source-line-no">136</span><span id="line-136"> // Now the location should be in cache, so we will not visit meta again.</span> |
| <span class="source-line-no">137</span><span id="line-137"> HRegionLocation loc = LOCATOR.getRegionLocation(TABLE_NAME, EMPTY_START_ROW,</span> |
| <span class="source-line-no">138</span><span id="line-138"> RegionLocateType.CURRENT, TimeUnit.MILLISECONDS.toNanos(500)).get();</span> |
| <span class="source-line-no">139</span><span id="line-139"> assertEquals(loc.getServerName(),</span> |
| <span class="source-line-no">140</span><span id="line-140"> TEST_UTIL.getHBaseCluster().getRegionServer(0).getServerName());</span> |
| <span class="source-line-no">141</span><span id="line-141"> }</span> |
| <span class="source-line-no">142</span><span id="line-142"></span> |
| <span class="source-line-no">143</span><span id="line-143"> @Test</span> |
| <span class="source-line-no">144</span><span id="line-144"> public void testNoCompletionException() {</span> |
| <span class="source-line-no">145</span><span id="line-145"> // make sure that we do not get CompletionException</span> |
| <span class="source-line-no">146</span><span id="line-146"> SLEEP_MS = 0;</span> |
| <span class="source-line-no">147</span><span id="line-147"> AtomicReference<Throwable> errorHolder = new AtomicReference<>();</span> |
| <span class="source-line-no">148</span><span id="line-148"> try {</span> |
| <span class="source-line-no">149</span><span id="line-149"> LOCATOR.getRegionLocation(TableName.valueOf("NotExist"), EMPTY_START_ROW,</span> |
| <span class="source-line-no">150</span><span id="line-150"> RegionLocateType.CURRENT, TimeUnit.SECONDS.toNanos(1))</span> |
| <span class="source-line-no">151</span><span id="line-151"> .whenComplete((r, e) -> errorHolder.set(e)).join();</span> |
| <span class="source-line-no">152</span><span id="line-152"> fail();</span> |
| <span class="source-line-no">153</span><span id="line-153"> } catch (CompletionException e) {</span> |
| <span class="source-line-no">154</span><span id="line-154"> // join will return a CompletionException, which is OK</span> |
| <span class="source-line-no">155</span><span id="line-155"> assertThat(e.getCause(), instanceOf(TableNotFoundException.class));</span> |
| <span class="source-line-no">156</span><span id="line-156"> }</span> |
| <span class="source-line-no">157</span><span id="line-157"> // but we need to make sure that we do not get a CompletionException in the callback</span> |
| <span class="source-line-no">158</span><span id="line-158"> assertThat(errorHolder.get(), instanceOf(TableNotFoundException.class));</span> |
| <span class="source-line-no">159</span><span id="line-159"> }</span> |
| <span class="source-line-no">160</span><span id="line-160">}</span> |
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