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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.net.SocketAddress;<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.client.MetricsConnection;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.util.ReflectionUtils;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableMap;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span><a name="line.27"></a> |
| <span class="sourceLineNo">028</span>/**<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> * Factory to create a {@link org.apache.hadoop.hbase.ipc.RpcClient}<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> */<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>@InterfaceAudience.Private<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>public final class RpcClientFactory {<a name="line.32"></a> |
| <span class="sourceLineNo">033</span><a name="line.33"></a> |
| <span class="sourceLineNo">034</span> public static final String CUSTOM_RPC_CLIENT_IMPL_CONF_KEY = "hbase.rpc.client.impl";<a name="line.34"></a> |
| <span class="sourceLineNo">035</span><a name="line.35"></a> |
| <span class="sourceLineNo">036</span> private static final ImmutableMap<String,<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> String> DEPRECATED_NAME_MAPPING = ImmutableMap.of("org.apache.hadoop.hbase.ipc.RpcClientImpl",<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> BlockingRpcClient.class.getName(), "org.apache.hadoop.hbase.ipc.AsyncRpcClient",<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> NettyRpcClient.class.getName());<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> /**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * Private Constructor<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> private RpcClientFactory() {<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> }<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> /** Helper method for tests only. Creates an {@code RpcClient} without metrics. */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public static RpcClient createClient(Configuration conf, String clusterId) {<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> return createClient(conf, clusterId, null);<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> /**<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * Creates a new RpcClient by the class defined in the configuration or falls back to<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * RpcClientImpl<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * @param conf configuration<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * @param clusterId the cluster id<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * @param metrics the connection metrics<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * @return newly created RpcClient<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> */<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> public static RpcClient createClient(Configuration conf, String clusterId,<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> MetricsConnection metrics) {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> return createClient(conf, clusterId, null, metrics);<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> private static String getRpcClientClass(Configuration conf) {<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> String rpcClientClass = conf.get(CUSTOM_RPC_CLIENT_IMPL_CONF_KEY);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> if (rpcClientClass == null) {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> return NettyRpcClient.class.getName();<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> String mappedName = DEPRECATED_NAME_MAPPING.get(rpcClientClass);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> return mappedName == null ? rpcClientClass : mappedName;<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> /**<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * Creates a new RpcClient by the class defined in the configuration or falls back to<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * RpcClientImpl<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * @param conf configuration<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * @param clusterId the cluster id<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * @param localAddr client socket bind address.<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> * @param metrics the connection metrics<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> * @return newly created RpcClient<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> */<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> public static RpcClient createClient(Configuration conf, String clusterId,<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> SocketAddress localAddr, MetricsConnection metrics) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> String rpcClientClass = getRpcClientClass(conf);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> return ReflectionUtils.instantiateWithCustomCtor(rpcClientClass, new Class[] {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> Configuration.class, String.class, SocketAddress.class, MetricsConnection.class },<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> new Object[] { conf, clusterId, localAddr, metrics });<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span>}<a name="line.90"></a> |
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