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From mi...@apache.org
Subject [33/51] [partial] hbase-site git commit: Published site at 60d33ce34191533bb858852584bd9bddfeb16a23.
Date Wed, 16 Dec 2015 16:51:18 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/539ad177/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/CoprocessorHost.EnvironmentPriorityComparator.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/CoprocessorHost.EnvironmentPriorityComparator.html b/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/CoprocessorHost.EnvironmentPriorityComparator.html
index 174b98f..c847641 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/CoprocessorHost.EnvironmentPriorityComparator.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/CoprocessorHost.EnvironmentPriorityComparator.html
@@ -111,543 +111,549 @@
 <span class="sourceLineNo">103</span>   */<a name="line.103"></a>
 <span class="sourceLineNo">104</span>  private static Set&lt;String&gt; coprocessorNames =<a name="line.104"></a>
 <span class="sourceLineNo">105</span>      Collections.synchronizedSet(new HashSet&lt;String&gt;());<a name="line.105"></a>
-<span class="sourceLineNo">106</span>  public static Set&lt;String&gt; getLoadedCoprocessors() {<a name="line.106"></a>
-<span class="sourceLineNo">107</span>      return coprocessorNames;<a name="line.107"></a>
-<span class="sourceLineNo">108</span>  }<a name="line.108"></a>
-<span class="sourceLineNo">109</span><a name="line.109"></a>
-<span class="sourceLineNo">110</span>  /**<a name="line.110"></a>
-<span class="sourceLineNo">111</span>   * Used to create a parameter to the HServerLoad constructor so that<a name="line.111"></a>
-<span class="sourceLineNo">112</span>   * HServerLoad can provide information about the coprocessors loaded by this<a name="line.112"></a>
-<span class="sourceLineNo">113</span>   * regionserver.<a name="line.113"></a>
-<span class="sourceLineNo">114</span>   * (HBASE-4070: Improve region server metrics to report loaded coprocessors<a name="line.114"></a>
-<span class="sourceLineNo">115</span>   * to master).<a name="line.115"></a>
-<span class="sourceLineNo">116</span>   */<a name="line.116"></a>
-<span class="sourceLineNo">117</span>  public Set&lt;String&gt; getCoprocessors() {<a name="line.117"></a>
-<span class="sourceLineNo">118</span>    Set&lt;String&gt; returnValue = new TreeSet&lt;String&gt;();<a name="line.118"></a>
-<span class="sourceLineNo">119</span>    for (CoprocessorEnvironment e: coprocessors) {<a name="line.119"></a>
-<span class="sourceLineNo">120</span>      returnValue.add(e.getInstance().getClass().getSimpleName());<a name="line.120"></a>
-<span class="sourceLineNo">121</span>    }<a name="line.121"></a>
-<span class="sourceLineNo">122</span>    return returnValue;<a name="line.122"></a>
-<span class="sourceLineNo">123</span>  }<a name="line.123"></a>
-<span class="sourceLineNo">124</span><a name="line.124"></a>
-<span class="sourceLineNo">125</span>  /**<a name="line.125"></a>
-<span class="sourceLineNo">126</span>   * Load system coprocessors once only. Read the class names from configuration.<a name="line.126"></a>
-<span class="sourceLineNo">127</span>   * Called by constructor.<a name="line.127"></a>
-<span class="sourceLineNo">128</span>   */<a name="line.128"></a>
-<span class="sourceLineNo">129</span>  protected void loadSystemCoprocessors(Configuration conf, String confKey) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span>    boolean coprocessorsEnabled = conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY,<a name="line.130"></a>
-<span class="sourceLineNo">131</span>      DEFAULT_COPROCESSORS_ENABLED);<a name="line.131"></a>
-<span class="sourceLineNo">132</span>    if (!coprocessorsEnabled) {<a name="line.132"></a>
-<span class="sourceLineNo">133</span>      return;<a name="line.133"></a>
-<span class="sourceLineNo">134</span>    }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span>    Class&lt;?&gt; implClass = null;<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span>    // load default coprocessors from configure file<a name="line.138"></a>
-<span class="sourceLineNo">139</span>    String[] defaultCPClasses = conf.getStrings(confKey);<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    if (defaultCPClasses == null || defaultCPClasses.length == 0)<a name="line.140"></a>
-<span class="sourceLineNo">141</span>      return;<a name="line.141"></a>
-<span class="sourceLineNo">142</span><a name="line.142"></a>
-<span class="sourceLineNo">143</span>    int priority = Coprocessor.PRIORITY_SYSTEM;<a name="line.143"></a>
-<span class="sourceLineNo">144</span>    for (String className : defaultCPClasses) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span>      className = className.trim();<a name="line.145"></a>
-<span class="sourceLineNo">146</span>      if (findCoprocessor(className) != null) {<a name="line.146"></a>
-<span class="sourceLineNo">147</span>        // If already loaded will just continue<a name="line.147"></a>
-<span class="sourceLineNo">148</span>        LOG.warn("Attempted duplicate loading of " + className + "; skipped");<a name="line.148"></a>
-<span class="sourceLineNo">149</span>        continue;<a name="line.149"></a>
-<span class="sourceLineNo">150</span>      }<a name="line.150"></a>
-<span class="sourceLineNo">151</span>      ClassLoader cl = this.getClass().getClassLoader();<a name="line.151"></a>
-<span class="sourceLineNo">152</span>      Thread.currentThread().setContextClassLoader(cl);<a name="line.152"></a>
-<span class="sourceLineNo">153</span>      try {<a name="line.153"></a>
-<span class="sourceLineNo">154</span>        implClass = cl.loadClass(className);<a name="line.154"></a>
-<span class="sourceLineNo">155</span>        // Add coprocessors as we go to guard against case where a coprocessor is specified twice<a name="line.155"></a>
-<span class="sourceLineNo">156</span>        // in the configuration<a name="line.156"></a>
-<span class="sourceLineNo">157</span>        this.coprocessors.add(loadInstance(implClass, Coprocessor.PRIORITY_SYSTEM, conf));<a name="line.157"></a>
-<span class="sourceLineNo">158</span>        LOG.info("System coprocessor " + className + " was loaded " +<a name="line.158"></a>
-<span class="sourceLineNo">159</span>            "successfully with priority (" + priority++ + ").");<a name="line.159"></a>
-<span class="sourceLineNo">160</span>      } catch (Throwable t) {<a name="line.160"></a>
-<span class="sourceLineNo">161</span>        // We always abort if system coprocessors cannot be loaded<a name="line.161"></a>
-<span class="sourceLineNo">162</span>        abortServer(className, t);<a name="line.162"></a>
-<span class="sourceLineNo">163</span>      }<a name="line.163"></a>
-<span class="sourceLineNo">164</span>    }<a name="line.164"></a>
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-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span>  /**<a name="line.167"></a>
-<span class="sourceLineNo">168</span>   * Load a coprocessor implementation into the host<a name="line.168"></a>
-<span class="sourceLineNo">169</span>   * @param path path to implementation jar<a name="line.169"></a>
-<span class="sourceLineNo">170</span>   * @param className the main class name<a name="line.170"></a>
-<span class="sourceLineNo">171</span>   * @param priority chaining priority<a name="line.171"></a>
-<span class="sourceLineNo">172</span>   * @param conf configuration for coprocessor<a name="line.172"></a>
-<span class="sourceLineNo">173</span>   * @throws java.io.IOException Exception<a name="line.173"></a>
-<span class="sourceLineNo">174</span>   */<a name="line.174"></a>
-<span class="sourceLineNo">175</span>  public E load(Path path, String className, int priority,<a name="line.175"></a>
-<span class="sourceLineNo">176</span>      Configuration conf) throws IOException {<a name="line.176"></a>
-<span class="sourceLineNo">177</span>    Class&lt;?&gt; implClass = null;<a name="line.177"></a>
-<span class="sourceLineNo">178</span>    LOG.debug("Loading coprocessor class " + className + " with path " +<a name="line.178"></a>
-<span class="sourceLineNo">179</span>        path + " and priority " + priority);<a name="line.179"></a>
-<span class="sourceLineNo">180</span><a name="line.180"></a>
-<span class="sourceLineNo">181</span>    ClassLoader cl = null;<a name="line.181"></a>
-<span class="sourceLineNo">182</span>    if (path == null) {<a name="line.182"></a>
-<span class="sourceLineNo">183</span>      try {<a name="line.183"></a>
-<span class="sourceLineNo">184</span>        implClass = getClass().getClassLoader().loadClass(className);<a name="line.184"></a>
-<span class="sourceLineNo">185</span>      } catch (ClassNotFoundException e) {<a name="line.185"></a>
-<span class="sourceLineNo">186</span>        throw new IOException("No jar path specified for " + className);<a name="line.186"></a>
-<span class="sourceLineNo">187</span>      }<a name="line.187"></a>
-<span class="sourceLineNo">188</span>    } else {<a name="line.188"></a>
-<span class="sourceLineNo">189</span>      cl = CoprocessorClassLoader.getClassLoader(<a name="line.189"></a>
-<span class="sourceLineNo">190</span>        path, getClass().getClassLoader(), pathPrefix, conf);<a name="line.190"></a>
-<span class="sourceLineNo">191</span>      try {<a name="line.191"></a>
-<span class="sourceLineNo">192</span>        implClass = cl.loadClass(className);<a name="line.192"></a>
-<span class="sourceLineNo">193</span>      } catch (ClassNotFoundException e) {<a name="line.193"></a>
-<span class="sourceLineNo">194</span>        throw new IOException("Cannot load external coprocessor class " + className, e);<a name="line.194"></a>
-<span class="sourceLineNo">195</span>      }<a name="line.195"></a>
-<span class="sourceLineNo">196</span>    }<a name="line.196"></a>
-<span class="sourceLineNo">197</span><a name="line.197"></a>
-<span class="sourceLineNo">198</span>    //load custom code for coprocessor<a name="line.198"></a>
-<span class="sourceLineNo">199</span>    Thread currentThread = Thread.currentThread();<a name="line.199"></a>
-<span class="sourceLineNo">200</span>    ClassLoader hostClassLoader = currentThread.getContextClassLoader();<a name="line.200"></a>
-<span class="sourceLineNo">201</span>    try{<a name="line.201"></a>
-<span class="sourceLineNo">202</span>      // switch temporarily to the thread classloader for custom CP<a name="line.202"></a>
-<span class="sourceLineNo">203</span>      currentThread.setContextClassLoader(cl);<a name="line.203"></a>
-<span class="sourceLineNo">204</span>      E cpInstance = loadInstance(implClass, priority, conf);<a name="line.204"></a>
-<span class="sourceLineNo">205</span>      return cpInstance;<a name="line.205"></a>
-<span class="sourceLineNo">206</span>    } finally {<a name="line.206"></a>
-<span class="sourceLineNo">207</span>      // restore the fresh (host) classloader<a name="line.207"></a>
-<span class="sourceLineNo">208</span>      currentThread.setContextClassLoader(hostClassLoader);<a name="line.208"></a>
-<span class="sourceLineNo">209</span>    }<a name="line.209"></a>
-<span class="sourceLineNo">210</span>  }<a name="line.210"></a>
-<span class="sourceLineNo">211</span><a name="line.211"></a>
-<span class="sourceLineNo">212</span>  /**<a name="line.212"></a>
-<span class="sourceLineNo">213</span>   * @param implClass Implementation class<a name="line.213"></a>
-<span class="sourceLineNo">214</span>   * @param priority priority<a name="line.214"></a>
-<span class="sourceLineNo">215</span>   * @param conf configuration<a name="line.215"></a>
-<span class="sourceLineNo">216</span>   * @throws java.io.IOException Exception<a name="line.216"></a>
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-<span class="sourceLineNo">220</span>    E env = loadInstance(implClass, priority, conf);<a name="line.220"></a>
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-<span class="sourceLineNo">222</span>  }<a name="line.222"></a>
-<span class="sourceLineNo">223</span><a name="line.223"></a>
-<span class="sourceLineNo">224</span>  /**<a name="line.224"></a>
-<span class="sourceLineNo">225</span>   * @param implClass Implementation class<a name="line.225"></a>
-<span class="sourceLineNo">226</span>   * @param priority priority<a name="line.226"></a>
-<span class="sourceLineNo">227</span>   * @param conf configuration<a name="line.227"></a>
-<span class="sourceLineNo">228</span>   * @throws java.io.IOException Exception<a name="line.228"></a>
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-<span class="sourceLineNo">230</span>  public E loadInstance(Class&lt;?&gt; implClass, int priority, Configuration conf)<a name="line.230"></a>
-<span class="sourceLineNo">231</span>      throws IOException {<a name="line.231"></a>
-<span class="sourceLineNo">232</span>    if (!Coprocessor.class.isAssignableFrom(implClass)) {<a name="line.232"></a>
-<span class="sourceLineNo">233</span>      throw new IOException("Configured class " + implClass.getName() + " must implement "<a name="line.233"></a>
-<span class="sourceLineNo">234</span>          + Coprocessor.class.getName() + " interface ");<a name="line.234"></a>
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-<span class="sourceLineNo">236</span><a name="line.236"></a>
-<span class="sourceLineNo">237</span>    // create the instance<a name="line.237"></a>
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-<span class="sourceLineNo">239</span>    Object o = null;<a name="line.239"></a>
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-<span class="sourceLineNo">244</span>      throw new IOException(e);<a name="line.244"></a>
-<span class="sourceLineNo">245</span>    } catch (IllegalAccessException e) {<a name="line.245"></a>
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+<span class="sourceLineNo">116</span>   * regionserver.<a name="line.116"></a>
+<span class="sourceLineNo">117</span>   * (HBASE-4070: Improve region server metrics to report loaded coprocessors<a name="line.117"></a>
+<span class="sourceLineNo">118</span>   * to master).<a name="line.118"></a>
+<span class="sourceLineNo">119</span>   */<a name="line.119"></a>
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