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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/03/07 17:13:42 UTC
[06/51] [partial] hbase-site git commit: Published site at
05161fcbfdd78f5684b9cb52c49a02be5ad14499.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2211f347/devapidocs/src-html/org/apache/hadoop/hbase/client/StatisticTrackable.html
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+<!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 or more<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * The ASF licenses this file to you under the Apache License, Version 2.0<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a>
+<span class="sourceLineNo">008</span> *<a name="line.8"></a>
+<span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * See the License for the specific language governing permissions and<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * limitations under the License.<a name="line.15"></a>
+<span class="sourceLineNo">016</span> */<a name="line.16"></a>
+<span class="sourceLineNo">017</span>package org.apache.hadoop.hbase.client;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import org.apache.hadoop.hbase.ServerName;<a name="line.19"></a>
+<span class="sourceLineNo">020</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.protobuf.generated.ClientProtos;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
+<span class="sourceLineNo">024</span> * Parent interface for an object to get updates about per-region statistics.<a name="line.24"></a>
+<span class="sourceLineNo">025</span> */<a name="line.25"></a>
+<span class="sourceLineNo">026</span>@InterfaceAudience.Private<a name="line.26"></a>
+<span class="sourceLineNo">027</span>public interface StatisticTrackable {<a name="line.27"></a>
+<span class="sourceLineNo">028</span> /**<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * Update stats per region.<a name="line.29"></a>
+<span class="sourceLineNo">030</span> * */<a name="line.30"></a>
+<span class="sourceLineNo">031</span> void updateRegionStats(ServerName server, byte[] region, ClientProtos.RegionLoadStats<a name="line.31"></a>
+<span class="sourceLineNo">032</span> stats);<a name="line.32"></a>
+<span class="sourceLineNo">033</span>}<a name="line.33"></a>
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+</pre>
+</div>
+</body>
+</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2211f347/devapidocs/src-html/org/apache/hadoop/hbase/client/StatsTrackingRpcRetryingCaller.html
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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.client;<a name="line.18"></a>
-<span class="sourceLineNo">019</span><a name="line.19"></a>
-<span class="sourceLineNo">020</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.20"></a>
-<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.21"></a>
-<span class="sourceLineNo">022</span><a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a>
-<span class="sourceLineNo">024</span><a name="line.24"></a>
-<span class="sourceLineNo">025</span>/**<a name="line.25"></a>
-<span class="sourceLineNo">026</span> * An {@link RpcRetryingCaller} that will update the per-region stats for the call on return,<a name="line.26"></a>
-<span class="sourceLineNo">027</span> * if stats are available<a name="line.27"></a>
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-<span class="sourceLineNo">029</span>@InterfaceAudience.Private<a name="line.29"></a>
-<span class="sourceLineNo">030</span>public class StatsTrackingRpcRetryingCaller<T> implements RpcRetryingCaller<T> {<a name="line.30"></a>
-<span class="sourceLineNo">031</span> private final ServerStatisticTracker stats;<a name="line.31"></a>
-<span class="sourceLineNo">032</span> private final RpcRetryingCaller<T> delegate;<a name="line.32"></a>
-<span class="sourceLineNo">033</span><a name="line.33"></a>
-<span class="sourceLineNo">034</span> public StatsTrackingRpcRetryingCaller(RpcRetryingCaller<T> delegate,<a name="line.34"></a>
-<span class="sourceLineNo">035</span> ServerStatisticTracker stats) {<a name="line.35"></a>
-<span class="sourceLineNo">036</span> this.delegate = delegate;<a name="line.36"></a>
-<span class="sourceLineNo">037</span> this.stats = stats;<a name="line.37"></a>
-<span class="sourceLineNo">038</span> }<a name="line.38"></a>
-<span class="sourceLineNo">039</span><a name="line.39"></a>
-<span class="sourceLineNo">040</span> @Override<a name="line.40"></a>
-<span class="sourceLineNo">041</span> public void cancel() {<a name="line.41"></a>
-<span class="sourceLineNo">042</span> delegate.cancel();<a name="line.42"></a>
-<span class="sourceLineNo">043</span> }<a name="line.43"></a>
-<span class="sourceLineNo">044</span><a name="line.44"></a>
-<span class="sourceLineNo">045</span> @Override<a name="line.45"></a>
-<span class="sourceLineNo">046</span> public T callWithRetries(RetryingCallable<T> callable, int callTimeout)<a name="line.46"></a>
-<span class="sourceLineNo">047</span> throws IOException, RuntimeException {<a name="line.47"></a>
-<span class="sourceLineNo">048</span> T result = delegate.callWithRetries(callable, callTimeout);<a name="line.48"></a>
-<span class="sourceLineNo">049</span> return updateStatsAndUnwrap(result, callable);<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> @Override<a name="line.52"></a>
-<span class="sourceLineNo">053</span> public T callWithoutRetries(RetryingCallable<T> callable, int callTimeout)<a name="line.53"></a>
-<span class="sourceLineNo">054</span> throws IOException, RuntimeException {<a name="line.54"></a>
-<span class="sourceLineNo">055</span> T result = delegate.callWithRetries(callable, callTimeout);<a name="line.55"></a>
-<span class="sourceLineNo">056</span> return updateStatsAndUnwrap(result, callable);<a name="line.56"></a>
-<span class="sourceLineNo">057</span> }<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span> private T updateStatsAndUnwrap(T result, RetryingCallable<T> callable) {<a name="line.59"></a>
-<span class="sourceLineNo">060</span> // don't track stats about requests that aren't to regionservers<a name="line.60"></a>
-<span class="sourceLineNo">061</span> if (!(callable instanceof RegionServerCallable)) {<a name="line.61"></a>
-<span class="sourceLineNo">062</span> return result;<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> // mutli-server callables span multiple regions, so they don't have a location,<a name="line.65"></a>
-<span class="sourceLineNo">066</span> // but they are region server callables, so we have to handle them when we process the<a name="line.66"></a>
-<span class="sourceLineNo">067</span> // result in AsyncProcess#receiveMultiAction, not in here<a name="line.67"></a>
-<span class="sourceLineNo">068</span> if (callable instanceof MultiServerCallable) {<a name="line.68"></a>
-<span class="sourceLineNo">069</span> return result;<a name="line.69"></a>
-<span class="sourceLineNo">070</span> }<a name="line.70"></a>
-<span class="sourceLineNo">071</span><a name="line.71"></a>
-<span class="sourceLineNo">072</span> // update the stats for the single server callable<a name="line.72"></a>
-<span class="sourceLineNo">073</span> RegionServerCallable<T> regionCallable = (RegionServerCallable) callable;<a name="line.73"></a>
-<span class="sourceLineNo">074</span> HRegionLocation location = regionCallable.getLocation();<a name="line.74"></a>
-<span class="sourceLineNo">075</span> return ResultStatsUtil.updateStats(result, stats, location);<a name="line.75"></a>
-<span class="sourceLineNo">076</span> }<a name="line.76"></a>
-<span class="sourceLineNo">077</span>}<a name="line.77"></a>
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