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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.regionserver;</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 java.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.lang.reflect.InvocationTargetException;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.CacheEvictionStats;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.client.Mutation;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.client.SharedConnection;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.coprocessor.BaseEnvironment;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.coprocessor.CoreCoprocessor;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.coprocessor.HasRegionServerServices;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.coprocessor.MetricsCoprocessor;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessor;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.coprocessor.RegionServerCoprocessorEnvironment;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.coprocessor.RegionServerObserver;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.metrics.MetricRegistry;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.replication.ReplicationEndpoint;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.security.User;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.slf4j.Logger;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">042</span><span id="line-42"></span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hbase.thirdparty.com.google.protobuf.Service;</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47">@InterfaceAudience.Private</span> |
| <span class="source-line-no">048</span><span id="line-48">public class RegionServerCoprocessorHost</span> |
| <span class="source-line-no">049</span><span id="line-49"> extends CoprocessorHost<RegionServerCoprocessor, RegionServerCoprocessorEnvironment> {</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> private static final Logger LOG = LoggerFactory.getLogger(RegionServerCoprocessorHost.class);</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> private RegionServerServices rsServices;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> public RegionServerCoprocessorHost(RegionServerServices rsServices, Configuration conf) {</span> |
| <span class="source-line-no">056</span><span id="line-56"> super(rsServices);</span> |
| <span class="source-line-no">057</span><span id="line-57"> this.rsServices = rsServices;</span> |
| <span class="source-line-no">058</span><span id="line-58"> this.conf = conf;</span> |
| <span class="source-line-no">059</span><span id="line-59"> // Log the state of coprocessor loading here; should appear only once or</span> |
| <span class="source-line-no">060</span><span id="line-60"> // twice in the daemon log, depending on HBase version, because there is</span> |
| <span class="source-line-no">061</span><span id="line-61"> // only one RegionServerCoprocessorHost instance in the RS process</span> |
| <span class="source-line-no">062</span><span id="line-62"> boolean coprocessorsEnabled =</span> |
| <span class="source-line-no">063</span><span id="line-63"> conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY, DEFAULT_COPROCESSORS_ENABLED);</span> |
| <span class="source-line-no">064</span><span id="line-64"> boolean tableCoprocessorsEnabled =</span> |
| <span class="source-line-no">065</span><span id="line-65"> conf.getBoolean(USER_COPROCESSORS_ENABLED_CONF_KEY, DEFAULT_USER_COPROCESSORS_ENABLED);</span> |
| <span class="source-line-no">066</span><span id="line-66"> LOG.info("System coprocessor loading is " + (coprocessorsEnabled ? "enabled" : "disabled"));</span> |
| <span class="source-line-no">067</span><span id="line-67"> LOG.info("Table coprocessor loading is "</span> |
| <span class="source-line-no">068</span><span id="line-68"> + ((coprocessorsEnabled && tableCoprocessorsEnabled) ? "enabled" : "disabled"));</span> |
| <span class="source-line-no">069</span><span id="line-69"> loadSystemCoprocessors(conf, REGIONSERVER_COPROCESSOR_CONF_KEY);</span> |
| <span class="source-line-no">070</span><span id="line-70"> }</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> @Override</span> |
| <span class="source-line-no">073</span><span id="line-73"> public RegionServerEnvironment createEnvironment(RegionServerCoprocessor instance, int priority,</span> |
| <span class="source-line-no">074</span><span id="line-74"> int sequence, Configuration conf) {</span> |
| <span class="source-line-no">075</span><span id="line-75"> // If a CoreCoprocessor, return a 'richer' environment, one laden with RegionServerServices.</span> |
| <span class="source-line-no">076</span><span id="line-76"> return instance.getClass().isAnnotationPresent(CoreCoprocessor.class)</span> |
| <span class="source-line-no">077</span><span id="line-77"> ? new RegionServerEnvironmentForCoreCoprocessors(instance, priority, sequence, conf,</span> |
| <span class="source-line-no">078</span><span id="line-78"> this.rsServices)</span> |
| <span class="source-line-no">079</span><span id="line-79"> : new RegionServerEnvironment(instance, priority, sequence, conf, this.rsServices);</span> |
| <span class="source-line-no">080</span><span id="line-80"> }</span> |
| <span class="source-line-no">081</span><span id="line-81"></span> |
| <span class="source-line-no">082</span><span id="line-82"> @Override</span> |
| <span class="source-line-no">083</span><span id="line-83"> public RegionServerCoprocessor checkAndGetInstance(Class<?> implClass)</span> |
| <span class="source-line-no">084</span><span id="line-84"> throws InstantiationException, IllegalAccessException {</span> |
| <span class="source-line-no">085</span><span id="line-85"> try {</span> |
| <span class="source-line-no">086</span><span id="line-86"> if (RegionServerCoprocessor.class.isAssignableFrom(implClass)) {</span> |
| <span class="source-line-no">087</span><span id="line-87"> return implClass.asSubclass(RegionServerCoprocessor.class).getDeclaredConstructor()</span> |
| <span class="source-line-no">088</span><span id="line-88"> .newInstance();</span> |
| <span class="source-line-no">089</span><span id="line-89"> } else {</span> |
| <span class="source-line-no">090</span><span id="line-90"> LOG.error("{} is not of type RegionServerCoprocessor. Check the configuration of {}",</span> |
| <span class="source-line-no">091</span><span id="line-91"> implClass.getName(), CoprocessorHost.REGIONSERVER_COPROCESSOR_CONF_KEY);</span> |
| <span class="source-line-no">092</span><span id="line-92"> return null;</span> |
| <span class="source-line-no">093</span><span id="line-93"> }</span> |
| <span class="source-line-no">094</span><span id="line-94"> } catch (NoSuchMethodException | InvocationTargetException e) {</span> |
| <span class="source-line-no">095</span><span id="line-95"> throw (InstantiationException) new InstantiationException(implClass.getName()).initCause(e);</span> |
| <span class="source-line-no">096</span><span id="line-96"> }</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"> private ObserverGetter<RegionServerCoprocessor, RegionServerObserver> rsObserverGetter =</span> |
| <span class="source-line-no">100</span><span id="line-100"> RegionServerCoprocessor::getRegionServerObserver;</span> |
| <span class="source-line-no">101</span><span id="line-101"></span> |
| <span class="source-line-no">102</span><span id="line-102"> abstract class RegionServerObserverOperation</span> |
| <span class="source-line-no">103</span><span id="line-103"> extends ObserverOperationWithoutResult<RegionServerObserver> {</span> |
| <span class="source-line-no">104</span><span id="line-104"> public RegionServerObserverOperation() {</span> |
| <span class="source-line-no">105</span><span id="line-105"> super(rsObserverGetter);</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> public RegionServerObserverOperation(User user) {</span> |
| <span class="source-line-no">109</span><span id="line-109"> super(rsObserverGetter, user);</span> |
| <span class="source-line-no">110</span><span id="line-110"> }</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> //////////////////////////////////////////////////////////////////////////////////////////////////</span> |
| <span class="source-line-no">114</span><span id="line-114"> // RegionServerObserver operations</span> |
| <span class="source-line-no">115</span><span id="line-115"> //////////////////////////////////////////////////////////////////////////////////////////////////</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117"> public void preStop(String message, User user) throws IOException {</span> |
| <span class="source-line-no">118</span><span id="line-118"> // While stopping the region server all coprocessors method should be executed first then the</span> |
| <span class="source-line-no">119</span><span id="line-119"> // coprocessor should be cleaned up.</span> |
| <span class="source-line-no">120</span><span id="line-120"> if (coprocEnvironments.isEmpty()) {</span> |
| <span class="source-line-no">121</span><span id="line-121"> return;</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"> execShutdown(new RegionServerObserverOperation(user) {</span> |
| <span class="source-line-no">124</span><span id="line-124"> @Override</span> |
| <span class="source-line-no">125</span><span id="line-125"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">126</span><span id="line-126"> observer.preStopRegionServer(this);</span> |
| <span class="source-line-no">127</span><span id="line-127"> }</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> @Override</span> |
| <span class="source-line-no">130</span><span id="line-130"> public void postEnvCall() {</span> |
| <span class="source-line-no">131</span><span id="line-131"> // invoke coprocessor stop method</span> |
| <span class="source-line-no">132</span><span id="line-132"> shutdown(this.getEnvironment());</span> |
| <span class="source-line-no">133</span><span id="line-133"> }</span> |
| <span class="source-line-no">134</span><span id="line-134"> });</span> |
| <span class="source-line-no">135</span><span id="line-135"> }</span> |
| <span class="source-line-no">136</span><span id="line-136"></span> |
| <span class="source-line-no">137</span><span id="line-137"> public void preRollWALWriterRequest() throws IOException {</span> |
| <span class="source-line-no">138</span><span id="line-138"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">139</span><span id="line-139"> @Override</span> |
| <span class="source-line-no">140</span><span id="line-140"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">141</span><span id="line-141"> observer.preRollWALWriterRequest(this);</span> |
| <span class="source-line-no">142</span><span id="line-142"> }</span> |
| <span class="source-line-no">143</span><span id="line-143"> });</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> public void postRollWALWriterRequest() throws IOException {</span> |
| <span class="source-line-no">147</span><span id="line-147"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">148</span><span id="line-148"> @Override</span> |
| <span class="source-line-no">149</span><span id="line-149"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">150</span><span id="line-150"> observer.postRollWALWriterRequest(this);</span> |
| <span class="source-line-no">151</span><span id="line-151"> }</span> |
| <span class="source-line-no">152</span><span id="line-152"> });</span> |
| <span class="source-line-no">153</span><span id="line-153"> }</span> |
| <span class="source-line-no">154</span><span id="line-154"></span> |
| <span class="source-line-no">155</span><span id="line-155"> public void preReplicateLogEntries() throws IOException {</span> |
| <span class="source-line-no">156</span><span id="line-156"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">157</span><span id="line-157"> @Override</span> |
| <span class="source-line-no">158</span><span id="line-158"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">159</span><span id="line-159"> observer.preReplicateLogEntries(this);</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</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"></span> |
| <span class="source-line-no">164</span><span id="line-164"> public void postReplicateLogEntries() throws IOException {</span> |
| <span class="source-line-no">165</span><span id="line-165"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">166</span><span id="line-166"> @Override</span> |
| <span class="source-line-no">167</span><span id="line-167"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">168</span><span id="line-168"> observer.postReplicateLogEntries(this);</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"> });</span> |
| <span class="source-line-no">171</span><span id="line-171"> }</span> |
| <span class="source-line-no">172</span><span id="line-172"></span> |
| <span class="source-line-no">173</span><span id="line-173"> public void preReplicationSinkBatchMutate(AdminProtos.WALEntry walEntry, Mutation mutation)</span> |
| <span class="source-line-no">174</span><span id="line-174"> throws IOException {</span> |
| <span class="source-line-no">175</span><span id="line-175"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">176</span><span id="line-176"> @Override</span> |
| <span class="source-line-no">177</span><span id="line-177"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">178</span><span id="line-178"> observer.preReplicationSinkBatchMutate(this, walEntry, mutation);</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"> });</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"></span> |
| <span class="source-line-no">183</span><span id="line-183"> public void postReplicationSinkBatchMutate(AdminProtos.WALEntry walEntry, Mutation mutation)</span> |
| <span class="source-line-no">184</span><span id="line-184"> throws IOException {</span> |
| <span class="source-line-no">185</span><span id="line-185"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">186</span><span id="line-186"> @Override</span> |
| <span class="source-line-no">187</span><span id="line-187"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">188</span><span id="line-188"> observer.postReplicationSinkBatchMutate(this, walEntry, mutation);</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"> });</span> |
| <span class="source-line-no">191</span><span id="line-191"> }</span> |
| <span class="source-line-no">192</span><span id="line-192"></span> |
| <span class="source-line-no">193</span><span id="line-193"> public ReplicationEndpoint postCreateReplicationEndPoint(final ReplicationEndpoint endpoint)</span> |
| <span class="source-line-no">194</span><span id="line-194"> throws IOException {</span> |
| <span class="source-line-no">195</span><span id="line-195"> if (this.coprocEnvironments.isEmpty()) {</span> |
| <span class="source-line-no">196</span><span id="line-196"> return endpoint;</span> |
| <span class="source-line-no">197</span><span id="line-197"> }</span> |
| <span class="source-line-no">198</span><span id="line-198"> return execOperationWithResult(</span> |
| <span class="source-line-no">199</span><span id="line-199"> new ObserverOperationWithResult<RegionServerObserver, ReplicationEndpoint>(rsObserverGetter,</span> |
| <span class="source-line-no">200</span><span id="line-200"> endpoint) {</span> |
| <span class="source-line-no">201</span><span id="line-201"> @Override</span> |
| <span class="source-line-no">202</span><span id="line-202"> public ReplicationEndpoint call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">203</span><span id="line-203"> return observer.postCreateReplicationEndPoint(this, getResult());</span> |
| <span class="source-line-no">204</span><span id="line-204"> }</span> |
| <span class="source-line-no">205</span><span id="line-205"> });</span> |
| <span class="source-line-no">206</span><span id="line-206"> }</span> |
| <span class="source-line-no">207</span><span id="line-207"></span> |
| <span class="source-line-no">208</span><span id="line-208"> public void preClearCompactionQueues() throws IOException {</span> |
| <span class="source-line-no">209</span><span id="line-209"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">210</span><span id="line-210"> @Override</span> |
| <span class="source-line-no">211</span><span id="line-211"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">212</span><span id="line-212"> observer.preClearCompactionQueues(this);</span> |
| <span class="source-line-no">213</span><span id="line-213"> }</span> |
| <span class="source-line-no">214</span><span id="line-214"> });</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 void postClearCompactionQueues() throws IOException {</span> |
| <span class="source-line-no">218</span><span id="line-218"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">219</span><span id="line-219"> @Override</span> |
| <span class="source-line-no">220</span><span id="line-220"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">221</span><span id="line-221"> observer.postClearCompactionQueues(this);</span> |
| <span class="source-line-no">222</span><span id="line-222"> }</span> |
| <span class="source-line-no">223</span><span id="line-223"> });</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"> public void preExecuteProcedures() throws IOException {</span> |
| <span class="source-line-no">227</span><span id="line-227"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</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 call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">230</span><span id="line-230"> observer.preExecuteProcedures(this);</span> |
| <span class="source-line-no">231</span><span id="line-231"> }</span> |
| <span class="source-line-no">232</span><span id="line-232"> });</span> |
| <span class="source-line-no">233</span><span id="line-233"> }</span> |
| <span class="source-line-no">234</span><span id="line-234"></span> |
| <span class="source-line-no">235</span><span id="line-235"> public void postExecuteProcedures() throws IOException {</span> |
| <span class="source-line-no">236</span><span id="line-236"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">237</span><span id="line-237"> @Override</span> |
| <span class="source-line-no">238</span><span id="line-238"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">239</span><span id="line-239"> observer.postExecuteProcedures(this);</span> |
| <span class="source-line-no">240</span><span id="line-240"> }</span> |
| <span class="source-line-no">241</span><span id="line-241"> });</span> |
| <span class="source-line-no">242</span><span id="line-242"> }</span> |
| <span class="source-line-no">243</span><span id="line-243"></span> |
| <span class="source-line-no">244</span><span id="line-244"> public void preUpdateConfiguration(Configuration preReloadConf) throws IOException {</span> |
| <span class="source-line-no">245</span><span id="line-245"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">246</span><span id="line-246"> @Override</span> |
| <span class="source-line-no">247</span><span id="line-247"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">248</span><span id="line-248"> observer.preUpdateRegionServerConfiguration(this, preReloadConf);</span> |
| <span class="source-line-no">249</span><span id="line-249"> }</span> |
| <span class="source-line-no">250</span><span id="line-250"> });</span> |
| <span class="source-line-no">251</span><span id="line-251"> }</span> |
| <span class="source-line-no">252</span><span id="line-252"></span> |
| <span class="source-line-no">253</span><span id="line-253"> public void postUpdateConfiguration(Configuration postReloadConf) throws IOException {</span> |
| <span class="source-line-no">254</span><span id="line-254"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">255</span><span id="line-255"> @Override</span> |
| <span class="source-line-no">256</span><span id="line-256"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">257</span><span id="line-257"> observer.postUpdateRegionServerConfiguration(this, postReloadConf);</span> |
| <span class="source-line-no">258</span><span id="line-258"> }</span> |
| <span class="source-line-no">259</span><span id="line-259"> });</span> |
| <span class="source-line-no">260</span><span id="line-260"> }</span> |
| <span class="source-line-no">261</span><span id="line-261"></span> |
| <span class="source-line-no">262</span><span id="line-262"> public void preClearRegionBlockCache() throws IOException {</span> |
| <span class="source-line-no">263</span><span id="line-263"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">264</span><span id="line-264"> @Override</span> |
| <span class="source-line-no">265</span><span id="line-265"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">266</span><span id="line-266"> observer.preClearRegionBlockCache(this);</span> |
| <span class="source-line-no">267</span><span id="line-267"> }</span> |
| <span class="source-line-no">268</span><span id="line-268"> });</span> |
| <span class="source-line-no">269</span><span id="line-269"> }</span> |
| <span class="source-line-no">270</span><span id="line-270"></span> |
| <span class="source-line-no">271</span><span id="line-271"> public void postClearRegionBlockCache(CacheEvictionStats stats) throws IOException {</span> |
| <span class="source-line-no">272</span><span id="line-272"> execOperation(coprocEnvironments.isEmpty() ? null : new RegionServerObserverOperation() {</span> |
| <span class="source-line-no">273</span><span id="line-273"> @Override</span> |
| <span class="source-line-no">274</span><span id="line-274"> public void call(RegionServerObserver observer) throws IOException {</span> |
| <span class="source-line-no">275</span><span id="line-275"> observer.postClearRegionBlockCache(this, stats);</span> |
| <span class="source-line-no">276</span><span id="line-276"> }</span> |
| <span class="source-line-no">277</span><span id="line-277"> });</span> |
| <span class="source-line-no">278</span><span id="line-278"> }</span> |
| <span class="source-line-no">279</span><span id="line-279"></span> |
| <span class="source-line-no">280</span><span id="line-280"> /**</span> |
| <span class="source-line-no">281</span><span id="line-281"> * Coprocessor environment extension providing access to region server related services.</span> |
| <span class="source-line-no">282</span><span id="line-282"> */</span> |
| <span class="source-line-no">283</span><span id="line-283"> private static class RegionServerEnvironment extends BaseEnvironment<RegionServerCoprocessor></span> |
| <span class="source-line-no">284</span><span id="line-284"> implements RegionServerCoprocessorEnvironment {</span> |
| <span class="source-line-no">285</span><span id="line-285"> private final MetricRegistry metricRegistry;</span> |
| <span class="source-line-no">286</span><span id="line-286"> private final RegionServerServices services;</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value = "BC_UNCONFIRMED_CAST",</span> |
| <span class="source-line-no">289</span><span id="line-289"> justification = "Intentional; FB has trouble detecting isAssignableFrom")</span> |
| <span class="source-line-no">290</span><span id="line-290"> public RegionServerEnvironment(final RegionServerCoprocessor impl, final int priority,</span> |
| <span class="source-line-no">291</span><span id="line-291"> final int seq, final Configuration conf, final RegionServerServices services) {</span> |
| <span class="source-line-no">292</span><span id="line-292"> super(impl, priority, seq, conf);</span> |
| <span class="source-line-no">293</span><span id="line-293"> // If coprocessor exposes any services, register them.</span> |
| <span class="source-line-no">294</span><span id="line-294"> for (Service service : impl.getServices()) {</span> |
| <span class="source-line-no">295</span><span id="line-295"> services.registerService(service);</span> |
| <span class="source-line-no">296</span><span id="line-296"> }</span> |
| <span class="source-line-no">297</span><span id="line-297"> this.services = services;</span> |
| <span class="source-line-no">298</span><span id="line-298"> this.metricRegistry =</span> |
| <span class="source-line-no">299</span><span id="line-299"> MetricsCoprocessor.createRegistryForRSCoprocessor(impl.getClass().getName());</span> |
| <span class="source-line-no">300</span><span id="line-300"> }</span> |
| <span class="source-line-no">301</span><span id="line-301"></span> |
| <span class="source-line-no">302</span><span id="line-302"> @Override</span> |
| <span class="source-line-no">303</span><span id="line-303"> public OnlineRegions getOnlineRegions() {</span> |
| <span class="source-line-no">304</span><span id="line-304"> return this.services;</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"> @Override</span> |
| <span class="source-line-no">308</span><span id="line-308"> public ServerName getServerName() {</span> |
| <span class="source-line-no">309</span><span id="line-309"> return this.services.getServerName();</span> |
| <span class="source-line-no">310</span><span id="line-310"> }</span> |
| <span class="source-line-no">311</span><span id="line-311"></span> |
| <span class="source-line-no">312</span><span id="line-312"> @Override</span> |
| <span class="source-line-no">313</span><span id="line-313"> public Connection getConnection() {</span> |
| <span class="source-line-no">314</span><span id="line-314"> return new SharedConnection(this.services.getConnection());</span> |
| <span class="source-line-no">315</span><span id="line-315"> }</span> |
| <span class="source-line-no">316</span><span id="line-316"></span> |
| <span class="source-line-no">317</span><span id="line-317"> @Override</span> |
| <span class="source-line-no">318</span><span id="line-318"> public Connection createConnection(Configuration conf) throws IOException {</span> |
| <span class="source-line-no">319</span><span id="line-319"> return this.services.createConnection(conf);</span> |
| <span class="source-line-no">320</span><span id="line-320"> }</span> |
| <span class="source-line-no">321</span><span id="line-321"></span> |
| <span class="source-line-no">322</span><span id="line-322"> @Override</span> |
| <span class="source-line-no">323</span><span id="line-323"> public MetricRegistry getMetricRegistryForRegionServer() {</span> |
| <span class="source-line-no">324</span><span id="line-324"> return metricRegistry;</span> |
| <span class="source-line-no">325</span><span id="line-325"> }</span> |
| <span class="source-line-no">326</span><span id="line-326"></span> |
| <span class="source-line-no">327</span><span id="line-327"> @Override</span> |
| <span class="source-line-no">328</span><span id="line-328"> public void shutdown() {</span> |
| <span class="source-line-no">329</span><span id="line-329"> super.shutdown();</span> |
| <span class="source-line-no">330</span><span id="line-330"> MetricsCoprocessor.removeRegistry(metricRegistry);</span> |
| <span class="source-line-no">331</span><span id="line-331"> }</span> |
| <span class="source-line-no">332</span><span id="line-332"> }</span> |
| <span class="source-line-no">333</span><span id="line-333"></span> |
| <span class="source-line-no">334</span><span id="line-334"> /**</span> |
| <span class="source-line-no">335</span><span id="line-335"> * Special version of RegionServerEnvironment that exposes RegionServerServices for Core</span> |
| <span class="source-line-no">336</span><span id="line-336"> * Coprocessors only. Temporary hack until Core Coprocessors are integrated into Core.</span> |
| <span class="source-line-no">337</span><span id="line-337"> */</span> |
| <span class="source-line-no">338</span><span id="line-338"> private static class RegionServerEnvironmentForCoreCoprocessors extends RegionServerEnvironment</span> |
| <span class="source-line-no">339</span><span id="line-339"> implements HasRegionServerServices {</span> |
| <span class="source-line-no">340</span><span id="line-340"> final RegionServerServices regionServerServices;</span> |
| <span class="source-line-no">341</span><span id="line-341"></span> |
| <span class="source-line-no">342</span><span id="line-342"> public RegionServerEnvironmentForCoreCoprocessors(final RegionServerCoprocessor impl,</span> |
| <span class="source-line-no">343</span><span id="line-343"> final int priority, final int seq, final Configuration conf,</span> |
| <span class="source-line-no">344</span><span id="line-344"> final RegionServerServices services) {</span> |
| <span class="source-line-no">345</span><span id="line-345"> super(impl, priority, seq, conf, services);</span> |
| <span class="source-line-no">346</span><span id="line-346"> this.regionServerServices = services;</span> |
| <span class="source-line-no">347</span><span id="line-347"> }</span> |
| <span class="source-line-no">348</span><span id="line-348"></span> |
| <span class="source-line-no">349</span><span id="line-349"> /**</span> |
| <span class="source-line-no">350</span><span id="line-350"> * @return An instance of RegionServerServices, an object NOT for general user-space Coprocessor</span> |
| <span class="source-line-no">351</span><span id="line-351"> * consumption.</span> |
| <span class="source-line-no">352</span><span id="line-352"> */</span> |
| <span class="source-line-no">353</span><span id="line-353"> @Override</span> |
| <span class="source-line-no">354</span><span id="line-354"> public RegionServerServices getRegionServerServices() {</span> |
| <span class="source-line-no">355</span><span id="line-355"> return this.regionServerServices;</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> |
| <span class="source-line-no">358</span><span id="line-358">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
