| <!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.client, class: TestConnectionAttributes, class: AttributesCoprocessor"> |
| <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.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.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.HashMap;</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.Map;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Optional;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Random;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.AuthUtil;</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.CellComparator;</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.HBaseTestingUtil;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.SingleProcessHBaseCluster;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.coprocessor.ObserverContext;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.coprocessor.RegionObserver;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.ipc.RpcCall;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.ipc.RpcServer;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.testclassification.ClientTests;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.AfterClass;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.ClassRule;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.Test;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52">@Category({ ClientTests.class, MediumTests.class })</span> |
| <span class="source-line-no">053</span><span id="line-53">public class TestConnectionAttributes {</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> @ClassRule</span> |
| <span class="source-line-no">056</span><span id="line-56"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">057</span><span id="line-57"> HBaseClassTestRule.forClass(TestConnectionAttributes.class);</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> private static final Map<String, byte[]> CONNECTION_ATTRIBUTES = new HashMap<>();</span> |
| <span class="source-line-no">060</span><span id="line-60"> static {</span> |
| <span class="source-line-no">061</span><span id="line-61"> CONNECTION_ATTRIBUTES.put("clientId", Bytes.toBytes("foo"));</span> |
| <span class="source-line-no">062</span><span id="line-62"> }</span> |
| <span class="source-line-no">063</span><span id="line-63"> private static final byte[] FAMILY = Bytes.toBytes("0");</span> |
| <span class="source-line-no">064</span><span id="line-64"> private static final TableName TABLE_NAME = TableName.valueOf("testConnectionAttributes");</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">067</span><span id="line-67"> private static SingleProcessHBaseCluster cluster;</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> @BeforeClass</span> |
| <span class="source-line-no">070</span><span id="line-70"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">071</span><span id="line-71"> cluster = TEST_UTIL.startMiniCluster(1);</span> |
| <span class="source-line-no">072</span><span id="line-72"> Table table = TEST_UTIL.createTable(TABLE_NAME, new byte[][] { FAMILY }, 1,</span> |
| <span class="source-line-no">073</span><span id="line-73"> HConstants.DEFAULT_BLOCKSIZE, TestConnectionAttributes.AttributesCoprocessor.class.getName());</span> |
| <span class="source-line-no">074</span><span id="line-74"> table.close();</span> |
| <span class="source-line-no">075</span><span id="line-75"> }</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> @AfterClass</span> |
| <span class="source-line-no">078</span><span id="line-78"> public static void afterClass() throws Exception {</span> |
| <span class="source-line-no">079</span><span id="line-79"> cluster.close();</span> |
| <span class="source-line-no">080</span><span id="line-80"> TEST_UTIL.shutdownMiniCluster();</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"> @Test</span> |
| <span class="source-line-no">084</span><span id="line-84"> public void testConnectionHeaderOverwrittenAttributesRemain() throws IOException {</span> |
| <span class="source-line-no">085</span><span id="line-85"> Configuration conf = TEST_UTIL.getConfiguration();</span> |
| <span class="source-line-no">086</span><span id="line-86"> try (Connection conn = ConnectionFactory.createConnection(conf, null,</span> |
| <span class="source-line-no">087</span><span id="line-87"> AuthUtil.loginClient(conf), CONNECTION_ATTRIBUTES); Table table = conn.getTable(TABLE_NAME)) {</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> // submit a 300 byte rowkey here to encourage netty's allocator to overwrite the connection</span> |
| <span class="source-line-no">090</span><span id="line-90"> // header</span> |
| <span class="source-line-no">091</span><span id="line-91"> byte[] bytes = new byte[300];</span> |
| <span class="source-line-no">092</span><span id="line-92"> new Random().nextBytes(bytes);</span> |
| <span class="source-line-no">093</span><span id="line-93"> Result result = table.get(new Get(bytes));</span> |
| <span class="source-line-no">094</span><span id="line-94"></span> |
| <span class="source-line-no">095</span><span id="line-95"> assertEquals(CONNECTION_ATTRIBUTES.size(), result.size());</span> |
| <span class="source-line-no">096</span><span id="line-96"> for (Map.Entry<String, byte[]> attr : CONNECTION_ATTRIBUTES.entrySet()) {</span> |
| <span class="source-line-no">097</span><span id="line-97"> byte[] val = result.getValue(FAMILY, Bytes.toBytes(attr.getKey()));</span> |
| <span class="source-line-no">098</span><span id="line-98"> assertEquals(Bytes.toStringBinary(attr.getValue()), Bytes.toStringBinary(val));</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"> }</span> |
| <span class="source-line-no">101</span><span id="line-101"> }</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> public static class AttributesCoprocessor implements RegionObserver, RegionCoprocessor {</span> |
| <span class="source-line-no">104</span><span id="line-104"></span> |
| <span class="source-line-no">105</span><span id="line-105"> @Override</span> |
| <span class="source-line-no">106</span><span id="line-106"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">107</span><span id="line-107"> return Optional.of(this);</span> |
| <span class="source-line-no">108</span><span id="line-108"> }</span> |
| <span class="source-line-no">109</span><span id="line-109"></span> |
| <span class="source-line-no">110</span><span id="line-110"> @Override</span> |
| <span class="source-line-no">111</span><span id="line-111"> public void preGetOp(ObserverContext<RegionCoprocessorEnvironment> c, Get get,</span> |
| <span class="source-line-no">112</span><span id="line-112"> List<Cell> result) throws IOException {</span> |
| <span class="source-line-no">113</span><span id="line-113"> RpcCall rpcCall = RpcServer.getCurrentCall().get();</span> |
| <span class="source-line-no">114</span><span id="line-114"> for (Map.Entry<String, byte[]> attr : rpcCall.getConnectionAttributes().entrySet()) {</span> |
| <span class="source-line-no">115</span><span id="line-115"> result.add(c.getEnvironment().getCellBuilder().clear().setRow(get.getRow())</span> |
| <span class="source-line-no">116</span><span id="line-116"> .setFamily(FAMILY).setQualifier(Bytes.toBytes(attr.getKey())).setValue(attr.getValue())</span> |
| <span class="source-line-no">117</span><span id="line-117"> .setType(Cell.Type.Put).setTimestamp(1).build());</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"> result.sort(CellComparator.getInstance());</span> |
| <span class="source-line-no">120</span><span id="line-120"> c.bypass();</span> |
| <span class="source-line-no">121</span><span id="line-121"> }</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
