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| <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.ipc;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.List;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.hadoop.conf.Configuration;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.CellScannable;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.util.ReflectionUtils;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.slf4j.Logger;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.slf4j.LoggerFactory;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span><a name="line.31"></a> |
| <span class="sourceLineNo">032</span>/**<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * Factory to create a {@link HBaseRpcController}<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> */<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>@InterfaceAudience.LimitedPrivate({HBaseInterfaceAudience.COPROC, HBaseInterfaceAudience.PHOENIX})<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>@InterfaceStability.Evolving<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>public class RpcControllerFactory {<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> private static final Logger LOG = LoggerFactory.getLogger(RpcControllerFactory.class);<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span> /**<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * Custom RPC Controller factory allows frameworks to change the RPC controller. If the configured<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * controller cannot be found in the classpath or loaded, we fall back to the default RPC<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * controller factory.<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> */<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> public static final String CUSTOM_CONTROLLER_CONF_KEY = "hbase.rpc.controllerfactory.class";<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> protected final Configuration conf;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public RpcControllerFactory(Configuration conf) {<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> this.conf = conf;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> }<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> public HBaseRpcController newController() {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> // TODO: Set HConstants default rpc timeout here rather than nothing?<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> return new HBaseRpcControllerImpl();<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> }<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> public HBaseRpcController newController(CellScanner cellScanner) {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> return new HBaseRpcControllerImpl(null, cellScanner);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> }<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> public HBaseRpcController newController(RegionInfo regionInfo, CellScanner cellScanner) {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> return new HBaseRpcControllerImpl(regionInfo, cellScanner);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> }<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> public HBaseRpcController newController(final List<CellScannable> cellIterables) {<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> return new HBaseRpcControllerImpl(null, cellIterables);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> }<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> public HBaseRpcController newController(RegionInfo regionInfo,<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> final List<CellScannable> cellIterables) {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> return new HBaseRpcControllerImpl(regionInfo, cellIterables);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> }<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> public static RpcControllerFactory instantiate(Configuration configuration) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> String rpcControllerFactoryClazz =<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> configuration.get(CUSTOM_CONTROLLER_CONF_KEY,<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> RpcControllerFactory.class.getName());<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> try {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> return ReflectionUtils.instantiateWithCustomCtor(rpcControllerFactoryClazz,<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> new Class[] { Configuration.class }, new Object[] { configuration });<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> } catch (UnsupportedOperationException | NoClassDefFoundError ex) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> // HBASE-14960: In case the RPCController is in a non-HBase jar (Phoenix), but the application<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> // is a pure HBase application, we want to fallback to the default one.<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> String msg = "Cannot load configured \"" + CUSTOM_CONTROLLER_CONF_KEY + "\" ("<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> + rpcControllerFactoryClazz + ") from hbase-site.xml, falling back to use "<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> + "default RpcControllerFactory";<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> if (LOG.isDebugEnabled()) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> LOG.warn(msg, ex); // if DEBUG enabled, we want the exception, but still log in WARN level<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> } else {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> LOG.warn(msg);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> return new RpcControllerFactory(configuration);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span>}<a name="line.95"></a> |
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