| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.client;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.trace.TraceUtil.trace;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.trace.TraceUtil.tracedFuture;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.util.FutureUtils.addListener;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import com.google.errorprone.annotations.RestrictedApi;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.Collections;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.Set;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.CompletableFuture;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.ConcurrentLinkedQueue;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.util.function.Predicate;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.conf.Configuration;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.ServerName;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.exceptions.MasterRegistryFetchException;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.ipc.HBaseRpcController;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.security.User;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.util.FutureUtils;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.com.google.protobuf.Message;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hbase.thirdparty.com.google.protobuf.RpcCallback;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegistryProtos.ClientMetaService;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegistryProtos.GetActiveMasterRequest;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegistryProtos.GetActiveMasterResponse;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegistryProtos.GetClusterIdRequest;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegistryProtos.GetClusterIdResponse;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegistryProtos.GetMetaRegionLocationsRequest;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegistryProtos.GetMetaRegionLocationsResponse;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span>/**<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * Base class for rpc based connection registry implementation.<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * <p/><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * The implementation needs a bootstrap node list in configuration, and then it will use the methods<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * in {@link ClientMetaService} to refresh the connection registry end points.<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * <p/><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * It also supports hedged reads, the default fan out value is 2.<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * <p/><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * For the actual configuration names, see javadoc of sub classes.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> */<a name="line.68"></a> |
| <span class="sourceLineNo">069</span>@InterfaceAudience.Private<a name="line.69"></a> |
| <span class="sourceLineNo">070</span>abstract class AbstractRpcBasedConnectionRegistry implements ConnectionRegistry {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> /** Default value for the fan out of hedged requests. **/<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> public static final int HEDGED_REQS_FANOUT_DEFAULT = 2;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private final int hedgedReadFanOut;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> // RPC client used to talk to the masters.<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private final ConnectionRegistryRpcStubHolder rpcStubHolder;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private final RpcControllerFactory rpcControllerFactory;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private final RegistryEndpointsRefresher registryEndpointRefresher;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> protected AbstractRpcBasedConnectionRegistry(Configuration conf, User user,<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> String hedgedReqsFanoutConfigName, String initialRefreshDelaySecsConfigName,<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> String refreshIntervalSecsConfigName, String minRefreshIntervalSecsConfigName)<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> throws IOException {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> this.hedgedReadFanOut =<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> Math.max(1, conf.getInt(hedgedReqsFanoutConfigName, HEDGED_REQS_FANOUT_DEFAULT));<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> rpcControllerFactory = RpcControllerFactory.instantiate(conf);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> rpcStubHolder = new ConnectionRegistryRpcStubHolder(conf, user, rpcControllerFactory,<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> getBootstrapNodes(conf));<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> // could return null here is refresh interval is less than zero<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> registryEndpointRefresher =<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> RegistryEndpointsRefresher.create(conf, initialRefreshDelaySecsConfigName,<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> refreshIntervalSecsConfigName, minRefreshIntervalSecsConfigName, this::refreshStubs);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> protected abstract Set<ServerName> getBootstrapNodes(Configuration conf) throws IOException;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> protected abstract CompletableFuture<Set<ServerName>> fetchEndpoints();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> private void refreshStubs() throws IOException {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> rpcStubHolder.refreshStubs(() -> FutureUtils.get(fetchEndpoints()));<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> /**<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * For describing the actual asynchronous rpc call.<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * <p/><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * Typically, you can use lambda expression to implement this interface as<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> *<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * <pre><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * (c, s, d) -&gt; s.xxx(c, your request here, d)<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * </pre><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> */<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> @FunctionalInterface<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> protected interface Callable<T> {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> void call(HBaseRpcController controller, ClientMetaService.Interface stub, RpcCallback<T> done);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> private <T extends Message> CompletableFuture<T> call(ClientMetaService.Interface stub,<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> Callable<T> callable) {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> HBaseRpcController controller = rpcControllerFactory.newController();<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> CompletableFuture<T> future = new CompletableFuture<>();<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> callable.call(controller, stub, resp -> {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> if (controller.failed()) {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> IOException failureReason = controller.getFailed();<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> future.completeExceptionally(failureReason);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> if (ClientExceptionsUtil.isConnectionException(failureReason)) {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> // RPC has failed, trigger a refresh of end points. We can have some spurious<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> // refreshes, but that is okay since the RPC is not expensive and not in a hot path.<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> registryEndpointRefresher.refreshNow();<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> } else {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> future.complete(resp);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> }<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> });<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> return future;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> private IOException badResponse(String debug) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> return new IOException(String.format("Invalid result for request %s. Will be retried", debug));<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> /**<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> * send requests concurrently to hedgedReadsFanout end points. If any of the request is succeeded,<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> * we will complete the future and quit. If all the requests in one round are failed, we will<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> * start another round to send requests concurrently tohedgedReadsFanout end points. If all end<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> * points have been tried and all of them are failed, we will fail the future.<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> */<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> private <T extends Message> void groupCall(CompletableFuture<T> future, Set<ServerName> servers,<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> List<ClientMetaService.Interface> stubs, int startIndexInclusive, Callable<T> callable,<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> Predicate<T> isValidResp, String debug, ConcurrentLinkedQueue<Throwable> errors) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> int endIndexExclusive = Math.min(startIndexInclusive + hedgedReadFanOut, stubs.size());<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> AtomicInteger remaining = new AtomicInteger(endIndexExclusive - startIndexInclusive);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> for (int i = startIndexInclusive; i < endIndexExclusive; i++) {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> addListener(call(stubs.get(i), callable), (r, e) -> {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> // a simple check to skip all the later operations earlier<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> if (future.isDone()) {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> return;<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> if (e == null && !isValidResp.test(r)) {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> e = badResponse(debug);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> if (e != null) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> // make sure when remaining reaches 0 we have all exceptions in the errors queue<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> errors.add(e);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> if (remaining.decrementAndGet() == 0) {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> if (endIndexExclusive == stubs.size()) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> // we are done, complete the future with exception<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> RetriesExhaustedException ex =<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> new RetriesExhaustedException("masters", stubs.size(), new ArrayList<>(errors));<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> future.completeExceptionally(new MasterRegistryFetchException(servers, ex));<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> } else {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> groupCall(future, servers, stubs, endIndexExclusive, callable, isValidResp, debug,<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> errors);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> }<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> } else {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> // do not need to decrement the counter any more as we have already finished the future.<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> future.complete(r);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> });<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> protected final <T extends Message> CompletableFuture<T> call(Callable<T> callable,<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> Predicate<T> isValidResp, String debug) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> CompletableFuture<T> future = new CompletableFuture<>();<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> FutureUtils.addListener(rpcStubHolder.getStubs(), (addr2Stub, error) -> {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> if (error != null) {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> future.completeExceptionally(error);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> return;<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> Set<ServerName> servers = addr2Stub.keySet();<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> List<ClientMetaService.Interface> stubs = new ArrayList<>(addr2Stub.values());<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> Collections.shuffle(stubs, ThreadLocalRandom.current());<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> groupCall(future, servers, stubs, 0, callable, isValidResp, debug,<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> new ConcurrentLinkedQueue<>());<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> });<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> return future;<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> }<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> @RestrictedApi(explanation = "Should only be called in tests", link = "",<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> allowedOnPath = ".*/src/test/.*")<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> Set<ServerName> getParsedServers() throws IOException {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> return FutureUtils.get(rpcStubHolder.getStubs()).keySet();<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span><a name="line.208"></a> |
| <span class="sourceLineNo">209</span> /**<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * Simple helper to transform the result of getMetaRegionLocations() rpc.<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> */<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> private static RegionLocations transformMetaRegionLocations(GetMetaRegionLocationsResponse resp) {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> List<HRegionLocation> regionLocations = new ArrayList<>();<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> resp.getMetaLocationsList()<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> .forEach(location -> regionLocations.add(ProtobufUtil.toRegionLocation(location)));<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> return new RegionLocations(regionLocations);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> @Override<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> public CompletableFuture<RegionLocations> getMetaRegionLocations() {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> return tracedFuture(<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> () -> this<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> .<GetMetaRegionLocationsResponse> call(<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> (c, s, d) -> s.getMetaRegionLocations(c,<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> GetMetaRegionLocationsRequest.getDefaultInstance(), d),<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> r -> r.getMetaLocationsCount() != 0, "getMetaLocationsCount")<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> .thenApply(AbstractRpcBasedConnectionRegistry::transformMetaRegionLocations),<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> getClass().getSimpleName() + ".getMetaRegionLocations");<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> }<a name="line.229"></a> |
| <span class="sourceLineNo">230</span><a name="line.230"></a> |
| <span class="sourceLineNo">231</span> @Override<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> public CompletableFuture<String> getClusterId() {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> return tracedFuture(<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> () -> this<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> .<GetClusterIdResponse> call(<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> (c, s, d) -> s.getClusterId(c, GetClusterIdRequest.getDefaultInstance(), d),<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> GetClusterIdResponse::hasClusterId, "getClusterId()")<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> .thenApply(GetClusterIdResponse::getClusterId),<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> getClass().getSimpleName() + ".getClusterId");<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span><a name="line.241"></a> |
| <span class="sourceLineNo">242</span> @Override<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> public CompletableFuture<ServerName> getActiveMaster() {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> return tracedFuture(<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> () -> this<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> .<GetActiveMasterResponse> call(<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> (c, s, d) -> s.getActiveMaster(c, GetActiveMasterRequest.getDefaultInstance(), d),<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> GetActiveMasterResponse::hasServerName, "getActiveMaster()")<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> .thenApply(resp -> ProtobufUtil.toServerName(resp.getServerName())),<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> getClass().getSimpleName() + ".getActiveMaster");<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span><a name="line.252"></a> |
| <span class="sourceLineNo">253</span> @Override<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> public void close() {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> trace(() -> {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> if (registryEndpointRefresher != null) {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> registryEndpointRefresher.stop();<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> }<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> if (rpcStubHolder != null) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> rpcStubHolder.close();<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> }, getClass().getSimpleName() + ".close");<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> }<a name="line.263"></a> |
| <span class="sourceLineNo">264</span>}<a name="line.264"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
