| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>Source code</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta name="description" content="source: package: org.apache.hadoop.hbase.coprocessor, class: TestRegionObserverPreFlushAndPreCompact, class: TestRegionObserver"> |
| <meta name="generator" content="javadoc/SourceToHTMLConverter"> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body class="source-page"> |
| <main role="main"> |
| <div class="source-container"> |
| <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.coprocessor;</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.coprocessor.CoprocessorHost.REGION_COPROCESSOR_CONF_KEY;</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.Optional;</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.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseConfiguration;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.regionserver.HRegion;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.regionserver.InternalScanner;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.regionserver.RegionServerServices;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.regionserver.ScanType;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.regionserver.Store;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.testclassification.CoprocessorTests;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.ClassRule;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.Rule;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.Test;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.mockito.Mockito;</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49">/**</span> |
| <span class="source-line-no">050</span><span id="line-50"> * Test that we fail if a Coprocessor tries to return a null scanner out</span> |
| <span class="source-line-no">051</span><span id="line-51"> * {@link RegionObserver#preFlush(ObserverContext, Store, InternalScanner, FlushLifeCycleTracker)}</span> |
| <span class="source-line-no">052</span><span id="line-52"> * or</span> |
| <span class="source-line-no">053</span><span id="line-53"> * {@link RegionObserver#preCompact(ObserverContext, Store, InternalScanner, ScanType, CompactionLifeCycleTracker, CompactionRequest)}</span> |
| <span class="source-line-no">054</span><span id="line-54"> * @see <a href=https://issues.apache.org/jira/browse/HBASE-19122>HBASE-19122</a></span> |
| <span class="source-line-no">055</span><span id="line-55"> */</span> |
| <span class="source-line-no">056</span><span id="line-56">@Category({ CoprocessorTests.class, SmallTests.class })</span> |
| <span class="source-line-no">057</span><span id="line-57">public class TestRegionObserverPreFlushAndPreCompact {</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> @ClassRule</span> |
| <span class="source-line-no">060</span><span id="line-60"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">061</span><span id="line-61"> HBaseClassTestRule.forClass(TestRegionObserverPreFlushAndPreCompact.class);</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> @Rule</span> |
| <span class="source-line-no">064</span><span id="line-64"> public TestName name = new TestName();</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> /**</span> |
| <span class="source-line-no">067</span><span id="line-67"> * Coprocessor that returns null when preCompact or preFlush is called.</span> |
| <span class="source-line-no">068</span><span id="line-68"> */</span> |
| <span class="source-line-no">069</span><span id="line-69"> public static class TestRegionObserver implements RegionObserver, RegionCoprocessor {</span> |
| <span class="source-line-no">070</span><span id="line-70"> @Override</span> |
| <span class="source-line-no">071</span><span id="line-71"> public InternalScanner preFlush(ObserverContext<RegionCoprocessorEnvironment> c, Store store,</span> |
| <span class="source-line-no">072</span><span id="line-72"> InternalScanner scanner, FlushLifeCycleTracker tracker) throws IOException {</span> |
| <span class="source-line-no">073</span><span id="line-73"> return null;</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> @Override</span> |
| <span class="source-line-no">077</span><span id="line-77"> public InternalScanner preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store,</span> |
| <span class="source-line-no">078</span><span id="line-78"> InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker,</span> |
| <span class="source-line-no">079</span><span id="line-79"> CompactionRequest request) throws IOException {</span> |
| <span class="source-line-no">080</span><span id="line-80"> return null;</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> @Override</span> |
| <span class="source-line-no">084</span><span id="line-84"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">085</span><span id="line-85"> return Optional.of(this);</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</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"> /**</span> |
| <span class="source-line-no">090</span><span id="line-90"> * Ensure we get expected exception when we try to return null from a preFlush call.</span> |
| <span class="source-line-no">091</span><span id="line-91"> * @throws IOException We expect it to throw {@link CoprocessorException}</span> |
| <span class="source-line-no">092</span><span id="line-92"> */</span> |
| <span class="source-line-no">093</span><span id="line-93"> @Test(expected = CoprocessorException.class)</span> |
| <span class="source-line-no">094</span><span id="line-94"> public void testPreFlushReturningNull() throws IOException {</span> |
| <span class="source-line-no">095</span><span id="line-95"> RegionCoprocessorHost rch = getRegionCoprocessorHost();</span> |
| <span class="source-line-no">096</span><span id="line-96"> rch.preFlush(null, null, null);</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"> /**</span> |
| <span class="source-line-no">100</span><span id="line-100"> * Ensure we get expected exception when we try to return null from a preCompact call.</span> |
| <span class="source-line-no">101</span><span id="line-101"> * @throws IOException We expect it to throw {@link CoprocessorException}</span> |
| <span class="source-line-no">102</span><span id="line-102"> */</span> |
| <span class="source-line-no">103</span><span id="line-103"> @Test(expected = CoprocessorException.class)</span> |
| <span class="source-line-no">104</span><span id="line-104"> public void testPreCompactReturningNull() throws IOException {</span> |
| <span class="source-line-no">105</span><span id="line-105"> RegionCoprocessorHost rch = getRegionCoprocessorHost();</span> |
| <span class="source-line-no">106</span><span id="line-106"> rch.preCompact(null, null, null, null, null, null);</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"> private RegionCoprocessorHost getRegionCoprocessorHost() {</span> |
| <span class="source-line-no">110</span><span id="line-110"> // Make up an HRegion instance. Use the hbase:meta first region as our RegionInfo. Use</span> |
| <span class="source-line-no">111</span><span id="line-111"> // hbase:meta table name for building the TableDescriptor our mock returns when asked schema</span> |
| <span class="source-line-no">112</span><span id="line-112"> // down inside RegionCoprocessorHost. Pass in mocked RegionServerServices too.</span> |
| <span class="source-line-no">113</span><span id="line-113"> RegionInfo ri = RegionInfoBuilder.FIRST_META_REGIONINFO;</span> |
| <span class="source-line-no">114</span><span id="line-114"> HRegion mockedHRegion = Mockito.mock(HRegion.class);</span> |
| <span class="source-line-no">115</span><span id="line-115"> Mockito.when(mockedHRegion.getRegionInfo()).thenReturn(ri);</span> |
| <span class="source-line-no">116</span><span id="line-116"> TableDescriptor td = TableDescriptorBuilder.newBuilder(ri.getTable()).build();</span> |
| <span class="source-line-no">117</span><span id="line-117"> Mockito.when(mockedHRegion.getTableDescriptor()).thenReturn(td);</span> |
| <span class="source-line-no">118</span><span id="line-118"> RegionServerServices mockedServices = Mockito.mock(RegionServerServices.class);</span> |
| <span class="source-line-no">119</span><span id="line-119"> Configuration conf = HBaseConfiguration.create();</span> |
| <span class="source-line-no">120</span><span id="line-120"> // Load our test coprocessor defined above.</span> |
| <span class="source-line-no">121</span><span id="line-121"> conf.set(REGION_COPROCESSOR_CONF_KEY, TestRegionObserver.class.getName());</span> |
| <span class="source-line-no">122</span><span id="line-122"> return new RegionCoprocessorHost(mockedHRegion, mockedServices, conf);</span> |
| <span class="source-line-no">123</span><span id="line-123"> }</span> |
| <span class="source-line-no">124</span><span id="line-124">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
