http://git-wip-us.apache.org/repos/asf/hbase-site/blob/5a2158f2/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.BulkLoadObserverOperation.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.BulkLoadObserverOperation.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.BulkLoadObserverOperation.html index 8aeb6da..dbadad7 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.BulkLoadObserverOperation.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.BulkLoadObserverOperation.html @@ -99,1432 +99,1431 @@ <span class="sourceLineNo">091</span> * Implements the coprocessor environment and runtime support for coprocessors<a name="line.91"></a> <span class="sourceLineNo">092</span> * loaded within a {@link Region}.<a name="line.92"></a> <span class="sourceLineNo">093</span> */<a name="line.93"></a> -<span class="sourceLineNo">094</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)<a name="line.94"></a> -<span class="sourceLineNo">095</span>@InterfaceStability.Evolving<a name="line.95"></a> -<span class="sourceLineNo">096</span>public class RegionCoprocessorHost<a name="line.96"></a> -<span class="sourceLineNo">097</span> extends CoprocessorHost<RegionCoprocessor, RegionCoprocessorEnvironment> {<a name="line.97"></a> -<span class="sourceLineNo">098</span><a name="line.98"></a> -<span class="sourceLineNo">099</span> private static final Log LOG = LogFactory.getLog(RegionCoprocessorHost.class);<a name="line.99"></a> -<span class="sourceLineNo">100</span> // The shared data map<a name="line.100"></a> -<span class="sourceLineNo">101</span> private static final ReferenceMap<String, ConcurrentMap<String, Object>> SHARED_DATA_MAP =<a name="line.101"></a> -<span class="sourceLineNo">102</span> new ReferenceMap<>(AbstractReferenceMap.ReferenceStrength.HARD,<a name="line.102"></a> -<span class="sourceLineNo">103</span> AbstractReferenceMap.ReferenceStrength.WEAK);<a name="line.103"></a> -<span class="sourceLineNo">104</span><a name="line.104"></a> -<span class="sourceLineNo">105</span> // optimization: no need to call postScannerFilterRow, if no coprocessor implements it<a name="line.105"></a> -<span class="sourceLineNo">106</span> private final boolean hasCustomPostScannerFilterRow;<a name="line.106"></a> -<span class="sourceLineNo">107</span><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> * Encapsulation of the environment of each coprocessor<a name="line.110"></a> -<span class="sourceLineNo">111</span> */<a name="line.111"></a> -<span class="sourceLineNo">112</span> static class RegionEnvironment extends BaseEnvironment<RegionCoprocessor><a name="line.112"></a> -<span class="sourceLineNo">113</span> implements RegionCoprocessorEnvironment {<a name="line.113"></a> -<span class="sourceLineNo">114</span><a name="line.114"></a> -<span class="sourceLineNo">115</span> private Region region;<a name="line.115"></a> -<span class="sourceLineNo">116</span> private RegionServerServices rsServices;<a name="line.116"></a> -<span class="sourceLineNo">117</span> ConcurrentMap<String, Object> sharedData;<a name="line.117"></a> -<span class="sourceLineNo">118</span> private final MetricRegistry metricRegistry;<a name="line.118"></a> -<span class="sourceLineNo">119</span><a name="line.119"></a> -<span class="sourceLineNo">120</span> /**<a name="line.120"></a> -<span class="sourceLineNo">121</span> * Constructor<a name="line.121"></a> -<span class="sourceLineNo">122</span> * @param impl the coprocessor instance<a name="line.122"></a> -<span class="sourceLineNo">123</span> * @param priority chaining priority<a name="line.123"></a> -<span class="sourceLineNo">124</span> */<a name="line.124"></a> -<span class="sourceLineNo">125</span> public RegionEnvironment(final RegionCoprocessor impl, final int priority,<a name="line.125"></a> -<span class="sourceLineNo">126</span> final int seq, final Configuration conf, final Region region,<a name="line.126"></a> -<span class="sourceLineNo">127</span> final RegionServerServices services, final ConcurrentMap<String, Object> sharedData) {<a name="line.127"></a> -<span class="sourceLineNo">128</span> super(impl, priority, seq, conf);<a name="line.128"></a> -<span class="sourceLineNo">129</span> this.region = region;<a name="line.129"></a> -<span class="sourceLineNo">130</span> this.rsServices = services;<a name="line.130"></a> -<span class="sourceLineNo">131</span> this.sharedData = sharedData;<a name="line.131"></a> -<span class="sourceLineNo">132</span> this.metricRegistry =<a name="line.132"></a> -<span class="sourceLineNo">133</span> MetricsCoprocessor.createRegistryForRegionCoprocessor(impl.getClass().getName());<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> /** @return the region */<a name="line.136"></a> -<span class="sourceLineNo">137</span> @Override<a name="line.137"></a> -<span class="sourceLineNo">138</span> public Region getRegion() {<a name="line.138"></a> -<span class="sourceLineNo">139</span> return region;<a name="line.139"></a> -<span class="sourceLineNo">140</span> }<a name="line.140"></a> -<span class="sourceLineNo">141</span><a name="line.141"></a> -<span class="sourceLineNo">142</span> /** @return reference to the region server services */<a name="line.142"></a> -<span class="sourceLineNo">143</span> @Override<a name="line.143"></a> -<span class="sourceLineNo">144</span> public CoprocessorRegionServerServices getCoprocessorRegionServerServices() {<a 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class="sourceLineNo">157</span> }<a name="line.157"></a> -<span class="sourceLineNo">158</span><a name="line.158"></a> -<span class="sourceLineNo">159</span> @Override<a name="line.159"></a> -<span class="sourceLineNo">160</span> public RegionInfo getRegionInfo() {<a name="line.160"></a> -<span class="sourceLineNo">161</span> return region.getRegionInfo();<a name="line.161"></a> -<span class="sourceLineNo">162</span> }<a name="line.162"></a> -<span class="sourceLineNo">163</span><a name="line.163"></a> -<span class="sourceLineNo">164</span> @Override<a name="line.164"></a> -<span class="sourceLineNo">165</span> public MetricRegistry getMetricRegistryForRegionServer() {<a name="line.165"></a> -<span class="sourceLineNo">166</span> return metricRegistry;<a name="line.166"></a> -<span class="sourceLineNo">167</span> }<a name="line.167"></a> -<span class="sourceLineNo">168</span> }<a name="line.168"></a> -<span class="sourceLineNo">169</span><a name="line.169"></a> -<span class="sourceLineNo">170</span> static class TableCoprocessorAttribute {<a name="line.170"></a> -<span class="sourceLineNo">171</span> private Path path;<a name="line.171"></a> -<span class="sourceLineNo">172</span> private String className;<a name="line.172"></a> -<span class="sourceLineNo">173</span> private int priority;<a name="line.173"></a> -<span class="sourceLineNo">174</span> private Configuration conf;<a name="line.174"></a> -<span class="sourceLineNo">175</span><a name="line.175"></a> -<span class="sourceLineNo">176</span> public TableCoprocessorAttribute(Path path, String className, int priority,<a name="line.176"></a> -<span class="sourceLineNo">177</span> Configuration conf) {<a name="line.177"></a> -<span class="sourceLineNo">178</span> this.path = path;<a name="line.178"></a> -<span class="sourceLineNo">179</span> this.className = className;<a name="line.179"></a> -<span class="sourceLineNo">180</span> this.priority = priority;<a name="line.180"></a> -<span class="sourceLineNo">181</span> this.conf = conf;<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> public Path getPath() {<a name="line.184"></a> -<span class="sourceLineNo">185</span> return path;<a name="line.185"></a> -<span class="sourceLineNo">186</span> }<a name="line.186"></a> -<span class="sourceLineNo">187</span><a name="line.187"></a> -<span class="sourceLineNo">188</span> public String getClassName() {<a name="line.188"></a> -<span class="sourceLineNo">189</span> return className;<a name="line.189"></a> -<span class="sourceLineNo">190</span> }<a name="line.190"></a> -<span class="sourceLineNo">191</span><a name="line.191"></a> -<span class="sourceLineNo">192</span> public int getPriority() {<a name="line.192"></a> -<span class="sourceLineNo">193</span> return priority;<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span><a name="line.195"></a> -<span class="sourceLineNo">196</span> public Configuration getConf() {<a name="line.196"></a> -<span class="sourceLineNo">197</span> return conf;<a name="line.197"></a> -<span class="sourceLineNo">198</span> }<a name="line.198"></a> -<span class="sourceLineNo">199</span> }<a name="line.199"></a> -<span class="sourceLineNo">200</span><a name="line.200"></a> -<span class="sourceLineNo">201</span> /** The region server services */<a name="line.201"></a> -<span class="sourceLineNo">202</span> RegionServerServices rsServices;<a name="line.202"></a> -<span class="sourceLineNo">203</span> /** The region */<a name="line.203"></a> -<span class="sourceLineNo">204</span> HRegion region;<a name="line.204"></a> -<span class="sourceLineNo">205</span><a name="line.205"></a> -<span class="sourceLineNo">206</span> /**<a name="line.206"></a> -<span class="sourceLineNo">207</span> * Constructor<a name="line.207"></a> -<span class="sourceLineNo">208</span> * @param region the region<a name="line.208"></a> -<span class="sourceLineNo">209</span> * @param rsServices interface to available region server functionality<a name="line.209"></a> -<span class="sourceLineNo">210</span> * @param conf the configuration<a name="line.210"></a> -<span class="sourceLineNo">211</span> */<a name="line.211"></a> -<span class="sourceLineNo">212</span> public RegionCoprocessorHost(final HRegion region,<a name="line.212"></a> -<span class="sourceLineNo">213</span> final RegionServerServices rsServices, final Configuration conf) {<a name="line.213"></a> -<span class="sourceLineNo">214</span> super(rsServices);<a name="line.214"></a> -<span class="sourceLineNo">215</span> this.conf = conf;<a name="line.215"></a> -<span class="sourceLineNo">216</span> this.rsServices = rsServices;<a name="line.216"></a> -<span class="sourceLineNo">217</span> this.region = region;<a name="line.217"></a> -<span class="sourceLineNo">218</span> this.pathPrefix = Integer.toString(this.region.getRegionInfo().hashCode());<a name="line.218"></a> -<span class="sourceLineNo">219</span><a name="line.219"></a> -<span class="sourceLineNo">220</span> // load system default cp's from configuration.<a name="line.220"></a> -<span class="sourceLineNo">221</span> loadSystemCoprocessors(conf, REGION_COPROCESSOR_CONF_KEY);<a name="line.221"></a> -<span class="sourceLineNo">222</span><a name="line.222"></a> -<span class="sourceLineNo">223</span> // load system default cp's for user tables from configuration.<a name="line.223"></a> -<span class="sourceLineNo">224</span> if (!region.getRegionInfo().getTable().isSystemTable()) {<a name="line.224"></a> -<span class="sourceLineNo">225</span> loadSystemCoprocessors(conf, USER_REGION_COPROCESSOR_CONF_KEY);<a name="line.225"></a> -<span class="sourceLineNo">226</span> }<a name="line.226"></a> -<span class="sourceLineNo">227</span><a name="line.227"></a> -<span class="sourceLineNo">228</span> // load Coprocessor From HDFS<a name="line.228"></a> -<span class="sourceLineNo">229</span> loadTableCoprocessors(conf);<a name="line.229"></a> -<span class="sourceLineNo">230</span><a name="line.230"></a> -<span class="sourceLineNo">231</span> // now check whether any coprocessor implements postScannerFilterRow<a name="line.231"></a> -<span class="sourceLineNo">232</span> boolean hasCustomPostScannerFilterRow = false;<a name="line.232"></a> -<span class="sourceLineNo">233</span> out: for (RegionCoprocessorEnvironment env: coprocEnvironments) {<a name="line.233"></a> -<span class="sourceLineNo">234</span> if (env.getInstance() instanceof RegionObserver) {<a name="line.234"></a> -<span class="sourceLineNo">235</span> Class<?> clazz = env.getInstance().getClass();<a name="line.235"></a> -<span class="sourceLineNo">236</span> for(;;) {<a name="line.236"></a> -<span class="sourceLineNo">237</span> if (clazz == null) {<a name="line.237"></a> -<span class="sourceLineNo">238</span> // we must have directly implemented RegionObserver<a name="line.238"></a> -<span class="sourceLineNo">239</span> hasCustomPostScannerFilterRow = true;<a name="line.239"></a> -<span class="sourceLineNo">240</span> break out;<a name="line.240"></a> -<span class="sourceLineNo">241</span> }<a name="line.241"></a> -<span class="sourceLineNo">242</span> try {<a name="line.242"></a> -<span class="sourceLineNo">243</span> clazz.getDeclaredMethod("postScannerFilterRow", ObserverContext.class,<a name="line.243"></a> -<span class="sourceLineNo">244</span> InternalScanner.class, Cell.class, boolean.class);<a name="line.244"></a> -<span class="sourceLineNo">245</span> // this coprocessor has a custom version of postScannerFilterRow<a name="line.245"></a> -<span class="sourceLineNo">246</span> hasCustomPostScannerFilterRow = true;<a name="line.246"></a> -<span class="sourceLineNo">247</span> break out;<a name="line.247"></a> -<span class="sourceLineNo">248</span> } catch (NoSuchMethodException ignore) {<a name="line.248"></a> -<span class="sourceLineNo">249</span> }<a name="line.249"></a> -<span class="sourceLineNo">250</span> // the deprecated signature still exists<a name="line.250"></a> -<span class="sourceLineNo">251</span> try {<a name="line.251"></a> -<span class="sourceLineNo">252</span> clazz.getDeclaredMethod("postScannerFilterRow", ObserverContext.class,<a name="line.252"></a> -<span class="sourceLineNo">253</span> InternalScanner.class, byte[].class, int.class, short.class, boolean.class);<a name="line.253"></a> -<span class="sourceLineNo">254</span> // this coprocessor has a custom version of postScannerFilterRow<a name="line.254"></a> -<span class="sourceLineNo">255</span> hasCustomPostScannerFilterRow = true;<a name="line.255"></a> -<span class="sourceLineNo">256</span> break out;<a name="line.256"></a> -<span class="sourceLineNo">257</span> } catch (NoSuchMethodException ignore) {<a name="line.257"></a> -<span class="sourceLineNo">258</span> }<a name="line.258"></a> -<span class="sourceLineNo">259</span> clazz = clazz.getSuperclass();<a name="line.259"></a> -<span class="sourceLineNo">260</span> }<a name="line.260"></a> -<span class="sourceLineNo">261</span> }<a name="line.261"></a> -<span class="sourceLineNo">262</span> }<a name="line.262"></a> -<span class="sourceLineNo">263</span> this.hasCustomPostScannerFilterRow = hasCustomPostScannerFilterRow;<a name="line.263"></a> -<span class="sourceLineNo">264</span> }<a name="line.264"></a> -<span class="sourceLineNo">265</span><a name="line.265"></a> -<span class="sourceLineNo">266</span> static List<TableCoprocessorAttribute> getTableCoprocessorAttrsFromSchema(Configuration conf,<a name="line.266"></a> -<span class="sourceLineNo">267</span> TableDescriptor htd) {<a name="line.267"></a> -<span class="sourceLineNo">268</span> List<TableCoprocessorAttribute> result = Lists.newArrayList();<a name="line.268"></a> -<span class="sourceLineNo">269</span> for (Map.Entry<Bytes, Bytes> e: htd.getValues().entrySet()) {<a name="line.269"></a> -<span class="sourceLineNo">270</span> String key = Bytes.toString(e.getKey().get()).trim();<a name="line.270"></a> -<span class="sourceLineNo">271</span> if (HConstants.CP_HTD_ATTR_KEY_PATTERN.matcher(key).matches()) {<a name="line.271"></a> -<span class="sourceLineNo">272</span> String spec = Bytes.toString(e.getValue().get()).trim();<a name="line.272"></a> -<span class="sourceLineNo">273</span> // found one<a name="line.273"></a> -<span class="sourceLineNo">274</span> try {<a name="line.274"></a> -<span class="sourceLineNo">275</span> Matcher matcher = HConstants.CP_HTD_ATTR_VALUE_PATTERN.matcher(spec);<a name="line.275"></a> -<span class="sourceLineNo">276</span> if (matcher.matches()) {<a name="line.276"></a> -<span class="sourceLineNo">277</span> // jar file path can be empty if the cp class can be loaded<a name="line.277"></a> -<span class="sourceLineNo">278</span> // from class loader.<a name="line.278"></a> -<span class="sourceLineNo">279</span> Path path = matcher.group(1).trim().isEmpty() ?<a name="line.279"></a> -<span class="sourceLineNo">280</span> null : new Path(matcher.group(1).trim());<a name="line.280"></a> -<span class="sourceLineNo">281</span> String className = matcher.group(2).trim();<a name="line.281"></a> -<span class="sourceLineNo">282</span> if (className.isEmpty()) {<a name="line.282"></a> -<span class="sourceLineNo">283</span> LOG.error("Malformed table coprocessor specification: key=" +<a name="line.283"></a> -<span class="sourceLineNo">284</span> key + ", spec: " + spec);<a name="line.284"></a> -<span class="sourceLineNo">285</span> continue;<a name="line.285"></a> -<span class="sourceLineNo">286</span> }<a name="line.286"></a> -<span class="sourceLineNo">287</span> String priorityStr = matcher.group(3).trim();<a name="line.287"></a> -<span class="sourceLineNo">288</span> int priority = priorityStr.isEmpty() ?<a name="line.288"></a> -<span class="sourceLineNo">289</span> Coprocessor.PRIORITY_USER : Integer.parseInt(priorityStr);<a name="line.289"></a> -<span class="sourceLineNo">290</span> String cfgSpec = null;<a name="line.290"></a> -<span class="sourceLineNo">291</span> try {<a name="line.291"></a> -<span class="sourceLineNo">292</span> cfgSpec = matcher.group(4);<a name="line.292"></a> -<span class="sourceLineNo">293</span> } catch (IndexOutOfBoundsException ex) {<a name="line.293"></a> -<span class="sourceLineNo">294</span> // ignore<a name="line.294"></a> -<span class="sourceLineNo">295</span> }<a name="line.295"></a> -<span class="sourceLineNo">296</span> Configuration ourConf;<a name="line.296"></a> -<span class="sourceLineNo">297</span> if (cfgSpec != null && !cfgSpec.trim().equals("|")) {<a name="line.297"></a> -<span class="sourceLineNo">298</span> cfgSpec = cfgSpec.substring(cfgSpec.indexOf('|') + 1);<a name="line.298"></a> -<span class="sourceLineNo">299</span> // do an explicit deep copy of the passed configuration<a name="line.299"></a> -<span class="sourceLineNo">300</span> ourConf = new Configuration(false);<a name="line.300"></a> -<span class="sourceLineNo">301</span> HBaseConfiguration.merge(ourConf, conf);<a name="line.301"></a> -<span class="sourceLineNo">302</span> Matcher m = HConstants.CP_HTD_ATTR_VALUE_PARAM_PATTERN.matcher(cfgSpec);<a name="line.302"></a> -<span class="sourceLineNo">303</span> while (m.find()) {<a name="line.303"></a> -<span class="sourceLineNo">304</span> ourConf.set(m.group(1), m.group(2));<a name="line.304"></a> -<span class="sourceLineNo">305</span> }<a name="line.305"></a> -<span class="sourceLineNo">306</span> } else {<a name="line.306"></a> -<span class="sourceLineNo">307</span> ourConf = conf;<a name="line.307"></a> -<span class="sourceLineNo">308</span> }<a name="line.308"></a> -<span class="sourceLineNo">309</span> result.add(new TableCoprocessorAttribute(path, className, priority, ourConf));<a name="line.309"></a> -<span class="sourceLineNo">310</span> } else {<a name="line.310"></a> -<span class="sourceLineNo">311</span> LOG.error("Malformed table coprocessor specification: key=" + key +<a name="line.311"></a> -<span class="sourceLineNo">312</span> ", spec: " + spec);<a name="line.312"></a> -<span class="sourceLineNo">313</span> }<a name="line.313"></a> -<span class="sourceLineNo">314</span> } catch (Exception ioe) {<a name="line.314"></a> -<span class="sourceLineNo">315</span> LOG.error("Malformed table coprocessor specification: key=" + key +<a name="line.315"></a> -<span class="sourceLineNo">316</span> ", spec: " + spec);<a name="line.316"></a> -<span class="sourceLineNo">317</span> }<a name="line.317"></a> -<span class="sourceLineNo">318</span> }<a name="line.318"></a> -<span class="sourceLineNo">319</span> }<a name="line.319"></a> -<span class="sourceLineNo">320</span> return result;<a name="line.320"></a> -<span class="sourceLineNo">321</span> }<a name="line.321"></a> -<span class="sourceLineNo">322</span><a name="line.322"></a> -<span class="sourceLineNo">323</span> /**<a name="line.323"></a> -<span class="sourceLineNo">324</span> * Sanity check the table coprocessor attributes of the supplied schema. Will<a name="line.324"></a> -<span class="sourceLineNo">325</span> * throw an exception if there is a problem.<a name="line.325"></a> -<span class="sourceLineNo">326</span> * @param conf<a name="line.326"></a> -<span class="sourceLineNo">327</span> * @param htd<a name="line.327"></a> -<span class="sourceLineNo">328</span> * @throws IOException<a name="line.328"></a> -<span class="sourceLineNo">329</span> */<a name="line.329"></a> -<span class="sourceLineNo">330</span> public static void testTableCoprocessorAttrs(final Configuration conf,<a name="line.330"></a> -<span class="sourceLineNo">331</span> final TableDescriptor htd) throws IOException {<a name="line.331"></a> -<span class="sourceLineNo">332</span> String pathPrefix = UUID.randomUUID().toString();<a name="line.332"></a> -<span class="sourceLineNo">333</span> for (TableCoprocessorAttribute attr: getTableCoprocessorAttrsFromSchema(conf, htd)) {<a name="line.333"></a> -<span class="sourceLineNo">334</span> if (attr.getPriority() < 0) {<a name="line.334"></a> -<span class="sourceLineNo">335</span> throw new IOException("Priority for coprocessor " + attr.getClassName() +<a name="line.335"></a> -<span class="sourceLineNo">336</span> " cannot be less than 0");<a name="line.336"></a> -<span class="sourceLineNo">337</span> }<a name="line.337"></a> -<span class="sourceLineNo">338</span> ClassLoader old = Thread.currentThread().getContextClassLoader();<a name="line.338"></a> -<span class="sourceLineNo">339</span> try {<a name="line.339"></a> -<span class="sourceLineNo">340</span> ClassLoader cl;<a name="line.340"></a> -<span class="sourceLineNo">341</span> if (attr.getPath() != null) {<a name="line.341"></a> -<span class="sourceLineNo">342</span> cl = CoprocessorClassLoader.getClassLoader(attr.getPath(),<a name="line.342"></a> -<span class="sourceLineNo">343</span> CoprocessorHost.class.getClassLoader(), pathPrefix, conf);<a name="line.343"></a> -<span class="sourceLineNo">344</span> } else {<a name="line.344"></a> 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-<span class="sourceLineNo">356</span><a name="line.356"></a> -<span class="sourceLineNo">357</span> void loadTableCoprocessors(final Configuration conf) {<a name="line.357"></a> -<span class="sourceLineNo">358</span> boolean coprocessorsEnabled = conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY,<a name="line.358"></a> -<span class="sourceLineNo">359</span> DEFAULT_COPROCESSORS_ENABLED);<a name="line.359"></a> -<span class="sourceLineNo">360</span> boolean tableCoprocessorsEnabled = conf.getBoolean(USER_COPROCESSORS_ENABLED_CONF_KEY,<a name="line.360"></a> -<span class="sourceLineNo">361</span> DEFAULT_USER_COPROCESSORS_ENABLED);<a name="line.361"></a> -<span class="sourceLineNo">362</span> if (!(coprocessorsEnabled && tableCoprocessorsEnabled)) {<a name="line.362"></a> -<span class="sourceLineNo">363</span> return;<a name="line.363"></a> -<span class="sourceLineNo">364</span> }<a name="line.364"></a> -<span class="sourceLineNo">365</span><a name="line.365"></a> -<span class="sourceLineNo">366</span> // scan the table attributes for coprocessor load specifications<a name="line.366"></a> -<span class="sourceLineNo">367</span> // initialize the coprocessors<a name="line.367"></a> -<span class="sourceLineNo">368</span> List<RegionCoprocessorEnvironment> configured = new ArrayList<>();<a name="line.368"></a> -<span class="sourceLineNo">369</span> for (TableCoprocessorAttribute attr: getTableCoprocessorAttrsFromSchema(conf,<a name="line.369"></a> -<span class="sourceLineNo">370</span> region.getTableDescriptor())) {<a name="line.370"></a> -<span class="sourceLineNo">371</span> // Load encompasses classloading and coprocessor initialization<a name="line.371"></a> -<span class="sourceLineNo">372</span> try {<a name="line.372"></a> -<span class="sourceLineNo">373</span> RegionCoprocessorEnvironment env = load(attr.getPath(), attr.getClassName(),<a name="line.373"></a> -<span class="sourceLineNo">374</span> attr.getPriority(), attr.getConf());<a name="line.374"></a> -<span class="sourceLineNo">375</span> if (env == null) {<a name="line.375"></a> -<span class="sourceLineNo">376</span> continue;<a name="line.376"></a> -<span class="sourceLineNo">377</span> }<a name="line.377"></a> -<span class="sourceLineNo">378</span> configured.add(env);<a name="line.378"></a> -<span class="sourceLineNo">379</span> LOG.info("Loaded coprocessor " + attr.getClassName() + " from HTD of " +<a name="line.379"></a> -<span class="sourceLineNo">380</span> region.getTableDescriptor().getTableName().getNameAsString() + " successfully.");<a name="line.380"></a> -<span class="sourceLineNo">381</span> } catch (Throwable t) {<a name="line.381"></a> -<span class="sourceLineNo">382</span> // Coprocessor failed to load, do we abort on error?<a name="line.382"></a> -<span class="sourceLineNo">383</span> if (conf.getBoolean(ABORT_ON_ERROR_KEY, DEFAULT_ABORT_ON_ERROR)) {<a name="line.383"></a> -<span class="sourceLineNo">384</span> abortServer(attr.getClassName(), t);<a name="line.384"></a> -<span class="sourceLineNo">385</span> } else {<a name="line.385"></a> -<span class="sourceLineNo">386</span> LOG.error("Failed to load coprocessor " + attr.getClassName(), t);<a name="line.386"></a> -<span class="sourceLineNo">387</span> }<a name="line.387"></a> -<span class="sourceLineNo">388</span> }<a name="line.388"></a> -<span class="sourceLineNo">389</span> }<a name="line.389"></a> -<span class="sourceLineNo">390</span> // add together to coprocessor set for COW efficiency<a name="line.390"></a> -<span class="sourceLineNo">391</span> coprocEnvironments.addAll(configured);<a name="line.391"></a> -<span class="sourceLineNo">392</span> }<a name="line.392"></a> -<span class="sourceLineNo">393</span><a name="line.393"></a> -<span class="sourceLineNo">394</span> @Override<a name="line.394"></a> -<span class="sourceLineNo">395</span> public RegionEnvironment createEnvironment(RegionCoprocessor instance, int priority, int seq,<a name="line.395"></a> -<span class="sourceLineNo">396</span> Configuration conf) {<a name="line.396"></a> -<span class="sourceLineNo">397</span> // If coprocessor exposes any services, register them.<a name="line.397"></a> -<span class="sourceLineNo">398</span> for (Service service : instance.getServices()) {<a name="line.398"></a> -<span class="sourceLineNo">399</span> region.registerService(service);<a name="line.399"></a> -<span class="sourceLineNo">400</span> }<a name="line.400"></a> -<span class="sourceLineNo">401</span> ConcurrentMap<String, Object> classData;<a name="line.401"></a> -<span class="sourceLineNo">402</span> // make sure only one thread can add maps<a name="line.402"></a> -<span class="sourceLineNo">403</span> synchronized (SHARED_DATA_MAP) {<a name="line.403"></a> -<span class="sourceLineNo">404</span> // as long as at least one RegionEnvironment holds on to its classData it will<a name="line.404"></a> -<span class="sourceLineNo">405</span> // remain in this 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IllegalAccessException {<a name="line.416"></a> -<span class="sourceLineNo">417</span> if (RegionCoprocessor.class.isAssignableFrom(implClass)) {<a name="line.417"></a> -<span class="sourceLineNo">418</span> return (RegionCoprocessor)implClass.newInstance();<a name="line.418"></a> -<span class="sourceLineNo">419</span> } else if (CoprocessorService.class.isAssignableFrom(implClass)) {<a name="line.419"></a> -<span class="sourceLineNo">420</span> // For backward compatibility with old CoprocessorService impl which don't extend<a name="line.420"></a> -<span class="sourceLineNo">421</span> // RegionCoprocessor.<a name="line.421"></a> -<span class="sourceLineNo">422</span> return new CoprocessorServiceBackwardCompatiblity.RegionCoprocessorService(<a name="line.422"></a> -<span class="sourceLineNo">423</span> (CoprocessorService)implClass.newInstance());<a name="line.423"></a> -<span class="sourceLineNo">424</span> } else {<a name="line.424"></a> -<span class="sourceLineNo">425</span> LOG.error(implClass.getName() + " is not of type RegionCoprocessor. Check the "<a name="line.425"></a> -<span class="sourceLineNo">426</span> + "configuration " + CoprocessorHost.REGION_COPROCESSOR_CONF_KEY);<a name="line.426"></a> -<span class="sourceLineNo">427</span> return null;<a name="line.427"></a> -<span class="sourceLineNo">428</span> }<a name="line.428"></a> -<span class="sourceLineNo">429</span> }<a name="line.429"></a> -<span class="sourceLineNo">430</span><a name="line.430"></a> -<span class="sourceLineNo">431</span> private ObserverGetter<RegionCoprocessor, RegionObserver> regionObserverGetter =<a name="line.431"></a> -<span class="sourceLineNo">432</span> RegionCoprocessor::getRegionObserver;<a name="line.432"></a> -<span class="sourceLineNo">433</span><a name="line.433"></a> -<span class="sourceLineNo">434</span> private ObserverGetter<RegionCoprocessor, EndpointObserver> endpointObserverGetter =<a name="line.434"></a> -<span class="sourceLineNo">435</span> RegionCoprocessor::getEndpointObserver;<a name="line.435"></a> -<span class="sourceLineNo">436</span><a name="line.436"></a> -<span class="sourceLineNo">437</span> abstract class RegionObserverOperation extends ObserverOperationWithoutResult<RegionObserver> {<a name="line.437"></a> -<span class="sourceLineNo">438</span> public RegionObserverOperation() {<a name="line.438"></a> -<span class="sourceLineNo">439</span> super(regionObserverGetter);<a name="line.439"></a> -<span class="sourceLineNo">440</span> }<a name="line.440"></a> -<span class="sourceLineNo">441</span><a name="line.441"></a> -<span class="sourceLineNo">442</span> public RegionObserverOperation(User user) {<a name="line.442"></a> -<span class="sourceLineNo">443</span> super(regionObserverGetter, user);<a name="line.443"></a> -<span class="sourceLineNo">444</span> }<a name="line.444"></a> -<span class="sourceLineNo">445</span> }<a name="line.445"></a> -<span class="sourceLineNo">446</span><a name="line.446"></a> -<span class="sourceLineNo">447</span> abstract class BulkLoadObserverOperation 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name="line.98"></a> +<span class="sourceLineNo">099</span> // The shared data map<a name="line.99"></a> +<span class="sourceLineNo">100</span> private static final ReferenceMap<String, ConcurrentMap<String, Object>> SHARED_DATA_MAP =<a name="line.100"></a> +<span class="sourceLineNo">101</span> new ReferenceMap<>(AbstractReferenceMap.ReferenceStrength.HARD,<a name="line.101"></a> +<span class="sourceLineNo">102</span> AbstractReferenceMap.ReferenceStrength.WEAK);<a name="line.102"></a> +<span class="sourceLineNo">103</span><a name="line.103"></a> +<span class="sourceLineNo">104</span> // optimization: no need to call postScannerFilterRow, if no coprocessor implements it<a name="line.104"></a> +<span class="sourceLineNo">105</span> private final boolean hasCustomPostScannerFilterRow;<a name="line.105"></a> +<span class="sourceLineNo">106</span><a name="line.106"></a> +<span class="sourceLineNo">107</span> /**<a name="line.107"></a> +<span class="sourceLineNo">108</span> *<a name="line.108"></a> +<span class="sourceLineNo">109</span> * Encapsulation of the environment of each coprocessor<a name="line.109"></a> +<span class="sourceLineNo">110</span> */<a name="line.110"></a> +<span class="sourceLineNo">111</span> static class RegionEnvironment extends BaseEnvironment<RegionCoprocessor><a name="line.111"></a> +<span class="sourceLineNo">112</span> implements RegionCoprocessorEnvironment {<a name="line.112"></a> +<span class="sourceLineNo">113</span><a name="line.113"></a> +<span class="sourceLineNo">114</span> private Region region;<a name="line.114"></a> +<span class="sourceLineNo">115</span> private RegionServerServices rsServices;<a name="line.115"></a> +<span class="sourceLineNo">116</span> ConcurrentMap<String, Object> sharedData;<a name="line.116"></a> +<span class="sourceLineNo">117</span> private final MetricRegistry metricRegistry;<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> * Constructor<a name="line.120"></a> +<span class="sourceLineNo">121</span> * @param impl the coprocessor instance<a name="line.121"></a> +<span class="sourceLineNo">122</span> * @param priority chaining priority<a name="line.122"></a> +<span class="sourceLineNo">123</span> */<a name="line.123"></a> +<span class="sourceLineNo">124</span> public RegionEnvironment(final RegionCoprocessor impl, final int priority,<a name="line.124"></a> +<span class="sourceLineNo">125</span> final int seq, final Configuration conf, final Region region,<a name="line.125"></a> +<span class="sourceLineNo">126</span> final RegionServerServices services, final ConcurrentMap<String, Object> sharedData) {<a name="line.126"></a> +<span class="sourceLineNo">127</span> super(impl, priority, seq, conf);<a name="line.127"></a> +<span class="sourceLineNo">128</span> this.region = region;<a name="line.128"></a> +<span class="sourceLineNo">129</span> this.rsServices = services;<a name="line.129"></a> +<span class="sourceLineNo">130</span> this.sharedData = sharedData;<a name="line.130"></a> +<span class="sourceLineNo">131</span> this.metricRegistry =<a name="line.131"></a> +<span class="sourceLineNo">132</span> MetricsCoprocessor.createRegistryForRegionCoprocessor(impl.getClass().getName());<a name="line.132"></a> +<span class="sourceLineNo">133</span> }<a name="line.133"></a> +<span class="sourceLineNo">134</span><a name="line.134"></a> +<span class="sourceLineNo">135</span> /** @return the region */<a name="line.135"></a> +<span class="sourceLineNo">136</span> @Override<a name="line.136"></a> +<span class="sourceLineNo">137</span> public Region getRegion() {<a name="line.137"></a> +<span class="sourceLineNo">138</span> return region;<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<a name="line.139"></a> +<span class="sourceLineNo">140</span><a name="line.140"></a> +<span class="sourceLineNo">141</span> /** @return reference to the region server services */<a name="line.141"></a> +<span class="sourceLineNo">142</span> @Override<a name="line.142"></a> +<span class="sourceLineNo">143</span> public CoprocessorRegionServerServices getCoprocessorRegionServerServices() {<a name="line.143"></a> +<span class="sourceLineNo">144</span> return rsServices;<a name="line.144"></a> +<span class="sourceLineNo">145</span> }<a name="line.145"></a> +<span class="sourceLineNo">146</span><a name="line.146"></a> +<span class="sourceLineNo">147</span> @Override<a name="line.147"></a> +<span class="sourceLineNo">148</span> public void shutdown() {<a name="line.148"></a> +<span class="sourceLineNo">149</span> super.shutdown();<a name="line.149"></a> +<span class="sourceLineNo">150</span> MetricsCoprocessor.removeRegistry(this.metricRegistry);<a name="line.150"></a> +<span class="sourceLineNo">151</span> }<a name="line.151"></a> +<span class="sourceLineNo">152</span><a name="line.152"></a> +<span class="sourceLineNo">153</span> @Override<a name="line.153"></a> +<span class="sourceLineNo">154</span> public ConcurrentMap<String, Object> getSharedData() {<a name="line.154"></a> +<span class="sourceLineNo">155</span> return sharedData;<a name="line.155"></a> +<span class="sourceLineNo">156</span> }<a name="line.156"></a> +<span class="sourceLineNo">157</span><a name="line.157"></a> +<span class="sourceLineNo">158</span> @Override<a name="line.158"></a> +<span class="sourceLineNo">159</span> public RegionInfo getRegionInfo() {<a name="line.159"></a> +<span class="sourceLineNo">160</span> return region.getRegionInfo();<a name="line.160"></a> +<span class="sourceLineNo">161</span> }<a name="line.161"></a> +<span class="sourceLineNo">162</span><a name="line.162"></a> +<span class="sourceLineNo">163</span> @Override<a name="line.163"></a> +<span class="sourceLineNo">164</span> public MetricRegistry getMetricRegistryForRegionServer() {<a name="line.164"></a> +<span class="sourceLineNo">165</span> return metricRegistry;<a name="line.165"></a> +<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><a name="line.168"></a> +<span class="sourceLineNo">169</span> static class TableCoprocessorAttribute {<a name="line.169"></a> +<span class="sourceLineNo">170</span> private Path path;<a name="line.170"></a> +<span class="sourceLineNo">171</span> private String className;<a name="line.171"></a> +<span class="sourceLineNo">172</span> private int priority;<a name="line.172"></a> +<span class="sourceLineNo">173</span> private Configuration conf;<a name="line.173"></a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span> public TableCoprocessorAttribute(Path path, String className, int priority,<a name="line.175"></a> +<span class="sourceLineNo">176</span> Configuration conf) {<a name="line.176"></a> +<span class="sourceLineNo">177</span> this.path = path;<a name="line.177"></a> +<span class="sourceLineNo">178</span> this.className = className;<a name="line.178"></a> +<span class="sourceLineNo">179</span> this.priority = priority;<a name="line.179"></a> +<span class="sourceLineNo">180</span> this.conf = conf;<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> public Path getPath() {<a name="line.183"></a> +<span class="sourceLineNo">184</span> return path;<a name="line.184"></a> +<span class="sourceLineNo">185</span> }<a name="line.185"></a> +<span class="sourceLineNo">186</span><a name="line.186"></a> +<span class="sourceLineNo">187</span> public String getClassName() {<a name="line.187"></a> +<span class="sourceLineNo">188</span> return className;<a name="line.188"></a> +<span class="sourceLineNo">189</span> }<a name="line.189"></a> +<span class="sourceLineNo">190</span><a name="line.190"></a> +<span class="sourceLineNo">191</span> public int getPriority() {<a name="line.191"></a> +<span class="sourceLineNo">192</span> return priority;<a name="line.192"></a> +<span class="sourceLineNo">193</span> }<a name="line.193"></a> +<span class="sourceLineNo">194</span><a name="line.194"></a> +<span class="sourceLineNo">195</span> public Configuration getConf() {<a name="line.195"></a> +<span class="sourceLineNo">196</span> return conf;<a name="line.196"></a> +<span class="sourceLineNo">197</span> }<a name="line.197"></a> +<span class="sourceLineNo">198</span> }<a name="line.198"></a> +<span class="sourceLineNo">199</span><a name="line.199"></a> +<span class="sourceLineNo">200</span> /** The region server services */<a name="line.200"></a> +<span class="sourceLineNo">201</span> RegionServerServices rsServices;<a name="line.201"></a> +<span class="sourceLineNo">202</span> /** The region */<a name="line.202"></a> +<span class="sourceLineNo">203</span> HRegion region;<a name="line.203"></a> +<span class="sourceLineNo">204</span><a name="line.204"></a> +<span class="sourceLineNo">205</span> /**<a name="line.205"></a> +<span class="sourceLineNo">206</span> * Constructor<a name="line.206"></a> +<span class="sourceLineNo">207</span> * @param region the region<a name="line.207"></a> +<span class="sourceLineNo">208</span> * @param rsServices interface to available region server functionality<a name="line.208"></a> +<span class="sourceLineNo">209</span> * @param conf the configuration<a name="line.209"></a> +<span class="sourceLineNo">210</span> */<a name="line.210"></a> +<span class="sourceLineNo">211</span> public RegionCoprocessorHost(final HRegion region,<a name="line.211"></a> +<span class="sourceLineNo">212</span> final RegionServerServices rsServices, final Configuration conf) {<a name="line.212"></a> +<span class="sourceLineNo">213</span> super(rsServices);<a name="line.213"></a> +<span class="sourceLineNo">214</span> this.conf = conf;<a name="line.214"></a> +<span class="sourceLineNo">215</span> this.rsServices = rsServices;<a name="line.215"></a> +<span class="sourceLineNo">216</span> this.region = region;<a name="line.216"></a> +<span class="sourceLineNo">217</span> this.pathPrefix = Integer.toString(this.region.getRegionInfo().hashCode());<a name="line.217"></a> +<span class="sourceLineNo">218</span><a name="line.218"></a> +<span class="sourceLineNo">219</span> // load system default cp's from configuration.<a name="line.219"></a> +<span class="sourceLineNo">220</span> loadSystemCoprocessors(conf, REGION_COPROCESSOR_CONF_KEY);<a name="line.220"></a> +<span class="sourceLineNo">221</span><a name="line.221"></a> +<span class="sourceLineNo">222</span> // load system default cp's for user tables from configuration.<a name="line.222"></a> +<span class="sourceLineNo">223</span> if (!region.getRegionInfo().getTable().isSystemTable()) {<a name="line.223"></a> +<span class="sourceLineNo">224</span> loadSystemCoprocessors(conf, USER_REGION_COPROCESSOR_CONF_KEY);<a name="line.224"></a> +<span class="sourceLineNo">225</span> }<a name="line.225"></a> +<span class="sourceLineNo">226</span><a name="line.226"></a> +<span class="sourceLineNo">227</span> // load Coprocessor From HDFS<a name="line.227"></a> +<span class="sourceLineNo">228</span> loadTableCoprocessors(conf);<a name="line.228"></a> +<span class="sourceLineNo">229</span><a name="line.229"></a> +<span class="sourceLineNo">230</span> // now check whether any coprocessor implements postScannerFilterRow<a name="line.230"></a> +<span class="sourceLineNo">231</span> boolean hasCustomPostScannerFilterRow = false;<a name="line.231"></a> +<span class="sourceLineNo">232</span> out: for (RegionCoprocessorEnvironment env: coprocEnvironments) {<a name="line.232"></a> +<span class="sourceLineNo">233</span> if (env.getInstance() instanceof RegionObserver) {<a name="line.233"></a> +<span class="sourceLineNo">234</span> Class<?> clazz = env.getInstance().getClass();<a name="line.234"></a> +<span class="sourceLineNo">235</span> for(;;) {<a name="line.235"></a> +<span class="sourceLineNo">236</span> if (clazz == null) {<a name="line.236"></a> +<span class="sourceLineNo">237</span> // we must have directly implemented RegionObserver<a name="line.237"></a> +<span class="sourceLineNo">238</span> hasCustomPostScannerFilterRow = true;<a name="line.238"></a> +<span class="sourceLineNo">239</span> break out;<a name="line.239"></a> +<span class="sourceLineNo">240</span> }<a name="line.240"></a> +<span class="sourceLineNo">241</span> try {<a name="line.241"></a> +<span class="sourceLineNo">242</span> clazz.getDeclaredMethod("postScannerFilterRow", ObserverContext.class,<a name="line.242"></a> +<span class="sourceLineNo">243</span> InternalScanner.class, Cell.class, boolean.class);<a name="line.243"></a> +<span class="sourceLineNo">244</span> // this coprocessor has a custom version of postScannerFilterRow<a name="line.244"></a> +<span class="sourceLineNo">245</span> hasCustomPostScannerFilterRow = true;<a name="line.245"></a> +<span class="sourceLineNo">246</span> break out;<a name="line.246"></a> +<span class="sourceLineNo">247</span> } catch (NoSuchMethodException ignore) {<a name="line.247"></a> +<span class="sourceLineNo">248</span> }<a name="line.248"></a> +<span class="sourceLineNo">249</span> // the deprecated signature still exists<a name="line.249"></a> +<span class="sourceLineNo">250</span> try {<a name="line.250"></a> +<span class="sourceLineNo">251</span> clazz.getDeclaredMethod("postScannerFilterRow", ObserverContext.class,<a name="line.251"></a> +<span class="sourceLineNo">252</span> InternalScanner.class, byte[].class, int.class, short.class, boolean.class);<a name="line.252"></a> +<span class="sourceLineNo">253</span> // this coprocessor has a custom version of postScannerFilterRow<a name="line.253"></a> +<span class="sourceLineNo">254</span> hasCustomPostScannerFilterRow = true;<a name="line.254"></a> +<span class="sourceLineNo">255</span> break out;<a name="line.255"></a> +<span class="sourceLineNo">256</span> } catch (NoSuchMethodException ignore) {<a name="line.256"></a> +<span class="sourceLineNo">257</span> }<a name="line.257"></a> +<span class="sourceLineNo">258</span> clazz = clazz.getSuperclass();<a name="line.258"></a> +<span class="sourceLineNo">259</span> }<a name="line.259"></a> +<span class="sourceLineNo">260</span> }<a name="line.260"></a> +<span class="sourceLineNo">261</span> }<a name="line.261"></a> +<span class="sourceLineNo">262</span> this.hasCustomPostScannerFilterRow = hasCustomPostScannerFilterRow;<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> +<span class="sourceLineNo">265</span> static List<TableCoprocessorAttribute> getTableCoprocessorAttrsFromSchema(Configuration conf,<a name="line.265"></a> +<span class="sourceLineNo">266</span> TableDescriptor htd) {<a name="line.266"></a> +<span class="sourceLineNo">267</span> List<TableCoprocessorAttribute> result = Lists.newArrayList();<a name="line.267"></a> +<span class="sourceLineNo">268</span> for (Map.Entry<Bytes, Bytes> e: htd.getValues().entrySet()) {<a name="line.268"></a> +<span class="sourceLineNo">269</span> String key = Bytes.toString(e.getKey().get()).trim();<a name="line.269"></a> +<span class="sourceLineNo">270</span> if (HConstants.CP_HTD_ATTR_KEY_PATTERN.matcher(key).matches()) {<a name="line.270"></a> +<span class="sourceLineNo">271</span> String spec = Bytes.toString(e.getValue().get()).trim();<a name="line.271"></a> +<span class="sourceLineNo">272</span> // found one<a name="line.272"></a> +<span class="sourceLineNo">273</span> try {<a name="line.273"></a> +<span class="sourceLineNo">274</span> Matcher matcher = HConstants.CP_HTD_ATTR_VALUE_PATTERN.matcher(spec);<a name="line.274"></a> +<span class="sourceLineNo">275</span> if (matcher.matches()) {<a name="line.275"></a> +<span class="sourceLineNo">276</span> // jar file path can be empty if the cp class can be loaded<a name="line.276"></a> +<span class="sourceLineNo">277</span> // from class loader.<a name="line.277"></a> +<span class="sourceLineNo">278</span> Path path = matcher.group(1).trim().isEmpty() ?<a name="line.278"></a> +<span class="sourceLineNo">279</span> null : new Path(matcher.group(1).trim());<a name="line.279"></a> +<span class="sourceLineNo">280</span> String className = matcher.group(2).trim();<a name="line.280"></a> +<span class="sourceLineNo">281</span> if (className.isEmpty()) {<a name="line.281"></a> +<span class="sourceLineNo">282</span> LOG.error("Malformed table coprocessor specification: key=" +<a name="line.282"></a> +<span class="sourceLineNo">283</span> key + ", spec: " + spec);<a name="line.283"></a> +<span class="sourceLineNo">284</span> continue;<a name="line.284"></a> +<span class="sourceLineNo">285</span> }<a name="line.285"></a> +<span class="sourceLineNo">286</span> String priorityStr = matcher.group(3).trim();<a name="line.286"></a> +<span class="sourceLineNo">287</span> int priority = priorityStr.isEmpty() ?<a name="line.287"></a> +<span class="sourceLineNo">288</span> Coprocessor.PRIORITY_USER : Integer.parseInt(priorityStr);<a name="line.288"></a> +<span class="sourceLineNo">289</span> String cfgSpec = null;<a name="line.289"></a> +<span class="sourceLineNo">290</span> try {<a name="line.290"></a> +<span class="sourceLineNo">291</span> cfgSpec = matcher.group(4);<a name="line.291"></a> +<span class="sourceLineNo">292</span> } catch (IndexOutOfBoundsException ex) {<a name="line.292"></a> +<span class="sourceLineNo">293</span> // ignore<a name="line.293"></a> +<span class="sourceLineNo">294</span> }<a name="line.294"></a> +<span class="sourceLineNo">295</span> Configuration ourConf;<a name="line.295"></a> +<span class="sourceLineNo">296</span> if (cfgSpec != null && !cfgSpec.trim().equals("|")) {<a name="line.296"></a> +<span class="sourceLineNo">297</span> cfgSpec = cfgSpec.substring(cfgSpec.indexOf('|') + 1);<a name="line.297"></a> +<span class="sourceLineNo">298</span> // do an explicit deep copy of the passed configuration<a name="line.298"></a> +<span class="sourceLineNo">299</span> ourConf = new Configuration(false);<a name="line.299"></a> +<span class="sourceLineNo">300</span> HBaseConfiguration.merge(ourConf, conf);<a name="line.300"></a> +<span class="sourceLineNo">301</span> Matcher m = HConstants.CP_HTD_ATTR_VALUE_PARAM_PATTERN.matcher(cfgSpec);<a name="line.301"></a> +<span class="sourceLineNo">302</span> while (m.find()) {<a name="line.302"></a> +<span class="sourceLineNo">303</span> ourConf.set(m.group(1), m.group(2));<a name="line.303"></a> +<span class="sourceLineNo">304</span> }<a name="line.304"></a> +<span class="sourceLineNo">305</span> } else {<a name="line.305"></a> +<span class="sourceLineNo">306</span> ourConf = conf;<a name="line.306"></a> +<span class="sourceLineNo">307</span> }<a name="line.307"></a> +<span class="sourceLineNo">308</span> result.add(new TableCoprocessorAttribute(path, className, priority, ourConf));<a name="line.308"></a> +<span class="sourceLineNo">309</span> } else {<a name="line.309"></a> +<span class="sourceLineNo">310</span> LOG.error("Malformed table coprocessor specification: key=" + key +<a name="line.310"></a> +<span class="sourceLineNo">311</span> ", spec: " + spec);<a name="line.311"></a> +<span class="sourceLineNo">312</span> }<a name="line.312"></a> +<span class="sourceLineNo">313</span> } catch (Exception ioe) {<a name="line.313"></a> +<span class="sourceLineNo">314</span> LOG.error("Malformed table coprocessor specification: key=" + key +<a name="line.314"></a> +<span class="sourceLineNo">315</span> ", spec: " + spec);<a name="line.315"></a> +<span class="sourceLineNo">316</span> }<a name="line.316"></a> +<span class="sourceLineNo">317</span> }<a name="line.317"></a> +<span class="sourceLineNo">318</span> }<a name="line.318"></a> +<span class="sourceLineNo">319</span> return result;<a name="line.319"></a> +<span class="sourceLineNo">320</span> }<a name="line.320"></a> +<span class="sourceLineNo">321</span><a name="line.321"></a> +<span class="sourceLineNo">322</span> /**<a name="line.322"></a> +<span class="sourceLineNo">323</span> * Sanity check the table coprocessor attributes of the supplied schema. Will<a name="line.323"></a> +<span class="sourceLineNo">324</span> * throw an exception if there is a problem.<a name="line.324"></a> +<span class="sourceLineNo">325</span> * @param conf<a name="line.325"></a> +<span class="sourceLineNo">326</span> * @param htd<a name="line.326"></a> +<span class="sourceLineNo">327</span> * @throws IOException<a name="line.327"></a> +<span class="sourceLineNo">328</span> */<a name="line.328"></a> +<span class="sourceLineNo">329</span> public static void testTableCoprocessorAttrs(final Configuration conf,<a name="line.329"></a> +<span class="sourceLineNo">330</span> final TableDescriptor htd) throws IOException {<a name="line.330"></a> +<span class="sourceLineNo">331</span> String pathPrefix = UUID.randomUUID().toString();<a name="line.331"></a> +<span class="sourceLineNo">332</span> for (TableCoprocessorAttribute attr: getTableCoprocessorAttrsFromSchema(conf, htd)) {<a name="line.332"></a> +<span class="sourceLineNo">333</span> if (attr.getPriority() < 0) {<a name="line.333"></a> +<span class="sourceLineNo">334</span> throw new IOException("Priority for coprocessor " + attr.getClassName() +<a name="line.334"></a> +<span class="sourceLineNo">335</span> " cannot be less than 0");<a name="line.335"></a> +<span class="sourceLineNo">336</span> }<a name="line.336"></a> +<span class="sourceLineNo">337</span> ClassLoader old = Thread.currentThread().getContextClassLoader();<a name="line.337"></a> +<span class="sourceLineNo">338</span> try {<a name="line.338"></a> +<span class="sourceLineNo">339</span> ClassLoader cl;<a name="line.339"></a> +<span class="sourceLineNo">340</span> if (attr.getPath() != null) {<a name="line.340"></a> +<span class="sourceLineNo">341</span> cl = CoprocessorClassLoader.getClassLoader(attr.getPath(),<a name="line.341"></a> +<span class="sourceLineNo">342</span> CoprocessorHost.class.getClassLoader(), pathPrefix, conf);<a name="line.342"></a> +<span class="sourceLineNo">343</span> } else {<a name="line.343"></a> +<span class="sourceLineNo">344</span> cl = CoprocessorHost.class.getClassLoader();<a name="line.344"></a> +<span class="sourceLineNo">345</span> }<a name="line.345"></a> +<span class="sourceLineNo">346</span> Thread.currentThread().setContextClassLoader(cl);<a name="line.346"></a> +<span class="sourceLineNo">347</span> cl.loadClass(attr.getClassName());<a name="line.347"></a> +<span class="sourceLineNo">348</span> } catch (ClassNotFoundException e) {<a name="line.348"></a> +<span class="sourceLineNo">349</span> throw new IOException("Class " + attr.getClassName() + " cannot be loaded", e);<a name="line.349"></a> +<span class="sourceLineNo">350</span> } finally {<a name="line.350"></a> +<span class="sourceLineNo">351</span> Thread.currentThread().setContextClassLoader(old);<a name="line.351"></a> +<span class="sourceLineNo">352</span> }<a name="line.352"></a> +<span class="sourceLineNo">353</span> }<a name="line.353"></a> +<span class="sourceLineNo">354</span> }<a name="line.354"></a> +<span class="sourceLineNo">355</span><a name="line.355"></a> +<span class="sourceLineNo">356</span> void loadTableCoprocessors(final Configuration conf) {<a name="line.356"></a> +<span class="sourceLineNo">357</span> boolean coprocessorsEnabled = conf.getBoolean(COPROCESSORS_ENABLED_CONF_KEY,<a name="line.357"></a> +<span class="sourceLineNo">358</span> DEFAULT_COPROCESSORS_ENABLED);<a name="line.358"></a> +<span class="sourceLineNo">359</span> boolean tableCoprocessorsEnabled = conf.getBoolean(USER_COPROCESSORS_ENABLED_CONF_KEY,<a name="line.359"></a> +<span class="sourceLineNo">360</span> DEFAULT_USER_COPROCESSORS_ENABLED);<a name="line.360"></a> +<span class="sourceLineNo">361</span> if (!(coprocessorsEnabled && tableCoprocessorsEnabled)) {<a name="line.361"></a> +<span class="sourceLineNo">362</span> return;<a name="line.362"></a> +<span class="sourceLineNo">363</span> }<a name="line.363"></a> +<span class="sourceLineNo">364</span><a name="line.364"></a> +<span class="sourceLineNo">365</span> // scan the table attributes for coprocessor load specifications<a name="line.365"></a> +<span class="sourceLineNo">366</span> // initialize the coprocessors<a name="line.366"></a> +<span class="sourceLineNo">367</span> List<RegionCoprocessorEnvironment> configured = new ArrayList<>();<a name="line.367"></a> +<span class="sourceLineNo">368</span> for (TableCoprocessorAttribute attr: getTableCoprocessorAttrsFromSchema(conf,<a name="line.368"></a> +<span class="sourceLineNo">369</span> region.getTableDescriptor())) {<a name="line.369"></a> +<span class="sourceLineNo">370</span> // Load encompasses classloading and coprocessor initialization<a name="line.370"></a> +<span class="sourceLineNo">371</span> try {<a name="line.371"></a> +<span class="sourceLineNo">372</span> RegionCoprocessorEnvironment env = load(attr.getPath(), attr.getClassName(),<a name="line.372"></a> +<span class="sourceLineNo">373</span> attr.getPriority(), attr.getConf());<a name="line.373"></a> +<span class="sourceLineNo">374</span> if (env == null) {<a name="line.374"></a> +<span class="sourceLineNo">375</span> continue;<a name="line.375"></a> +<span class="sourceLineNo">376</span> }<a name="line.376"></a> +<span class="sourceLineNo">377</span> configured.add(env);<a name="line.377"></a> +<span class="sourceLineNo">378</span> LOG.info("Loaded coprocessor " + attr.getClassName() + " from HTD of " +<a name="line.378"></a> +<span class="sourceLineNo">379</span> region.getTableDescriptor().getTableName().getNameAsString() + " successfully.");<a name="line.379"></a> +<span class="sourceLineNo">380</span> } catch (Throwable t) {<a name="line.380"></a> +<span class="sourceLineNo">381</span> // Coprocessor failed to load, do we abort on error?<a name="line.381"></a> +<span class="sourceLineNo">382</span> if (conf.getBoolean(ABORT_ON_ERROR_KEY, DEFAULT_ABORT_ON_ERROR)) {<a name="line.382"></a> +<span class="sourceLineNo">383</span> abortServer(attr.getClassName(), t);<a name="line.383"></a> +<span class="sourceLineNo">384</span> } else {<a name="line.384"></a> +<span class="sourceLineNo">385</span> LOG.error("Failed to load coprocessor " + attr.getClassName(), t);<a name="line.385"></a> +<span class="sourceLineNo">386</span> }<a name="line.386"></a> +<span class="sourceLineNo">387</span> }<a name="line.387"></a> +<span class="sourceLineNo">388</span> }<a name="line.388"></a> +<span class="sourceLineNo">389</span> // add together to coprocessor set for COW efficiency<a name="line.389"></a> +<span class="sourceLineNo">390</span> coprocEnvironments.addAll(configured);<a name="line.390"></a> +<span class="sourceLineNo">391</span> }<a name="line.391"></a> +<span class="sourceLineNo">392</span><a name="line.392"></a> +<span class="sourceLineNo">393</span> @Override<a name="line.393"></a> +<span class="sourceLineNo">394</span> public RegionEnvironment createEnvironment(RegionCoprocessor instance, int priority, int seq,<a name="line.394"></a> +<span class="sourceLineNo">395</span> Configuration conf) {<a name="line.395"></a> +<span class="sourceLineNo">396</span> // If coprocessor exposes any services, register them.<a name="line.396"></a> +<span class="sourceLineNo">397</span> for (Service service : instance.getServices()) {<a name="line.397"></a> +<span class="sourceLineNo">398</span> region.registerService(service);<a name="line.398"></a> +<span class="sourceLineNo">399</span> }<a name="line.399"></a> +<span class="sourceLineNo">400</span> ConcurrentMap<String, Object> classData;<a name="line.400"></a> +<span class="sourceLineNo">401</span> // make sure only one thread can add maps<a name="line.401"></a> +<span class="sourceLineNo">402</span> synchronized (SHARED_DATA_MAP) {<a name="line.402"></a> +<span class="sourceLineNo">403</span> // as long as at least one RegionEnvironment holds on to its classData it will<a name="line.403"></a> +<span class="sourceLineNo">404</span> // remain in this map<a name="line.404"></a> +<span class="sourceLineNo">405</span> classData =<a name="line.405"></a> +<span class="sourceLineNo">406</span> SHARED_DATA_MAP.computeIfAbsent(instance.getClass().getName(),<a name="line.406"></a> +<span class="sourceLineNo">407</span> k -> new ConcurrentHashMap<>());<a name="line.407"></a> +<span class="sourceLineNo">408</span> }<a name="line.408"></a> +<span class="sourceLineNo">409</span> return new RegionEnvironment(instance, priority, seq, conf, region,<a name="line.409"></a> +<span class="sourceLineNo">410</span> rsServices, classData);<a name="line.410"></a> +<span class="sourceLineNo">411</span> }<a name="line.411"></a> +<span class="sourceLineNo">412</span><a name="line.412"></a> +<span class="sourceLineNo">413</span> @Override<a name="line.413"></a> +<span class="sourceLineNo">414</span> public RegionCoprocessor checkAndGetInstance(Class<?> implClass)<a name="line.414"></a> +<span class="sourceLineNo">415</span> throws InstantiationException, IllegalAccessException {<a name="line.415"></a> +<span class="sourceLineNo">416</span> if (RegionCoprocessor.class.isAssignableFrom(implClass)) {<a name="line.416"></a> +<span class="sourceLineNo">417</span> return (RegionCoprocessor)implClass.newInstance();<a name="line.417"></a> +<span class="sourceLineNo">418</span> } else if (CoprocessorService.class.isAssignableFrom(implClass)) {<a name="line.418"></a> +<span class="sourceLineNo">419</span> // For backward compatibility with old CoprocessorService impl which don't extend<a name="line.419"></a> +<span class="sourceLineNo">420</span> // RegionCoprocessor.<a name="line.420"></a> +<span class="sourceLineNo">421</span> return new CoprocessorServiceBackwardCompatiblity.RegionCoprocessorService(<a name="line.421"></a> +<span class="sourceLineNo">422</span> (CoprocessorService)implClass.newInstance());<a name="line.422"></a> +<span class="sourceLineNo">423</span> } else {<a name="line.423"></a> +<span class="sourceLineNo">424</span> LOG.error(implClass.getName() + " is not of type RegionCoprocessor. Check the "<a name="line.424"></a> +<span class="sourceLineNo">425</span> + "configuration " + CoprocessorHost.REGION_COPROCESSOR_CONF_KEY);<a name="line.425"></a> +<span class="sourceLineNo">426</span> return null;<a name="line.426"></a> +<span class="sourceLineNo">427</span> }<a name="line.427"></a> +<span class="sourceLineNo">428</span> }<a name="line.428"></a> +<span class="sourceLineNo">429</span><a name="line.429"></a> +<span class="sourceLineNo">430</span> private ObserverGetter<RegionCoprocessor, RegionObserver> regionObserverGetter =<a name="line.430"></a> +<span class="sourceLineNo">431</span> RegionCoprocessor::getRegionObserver;<a name="line.431"></a> +<span class="sourceLineNo">432</span><a name="line.432"></a> +<span class="sourceLineNo">433</span> private ObserverGetter<RegionCoprocessor, EndpointObserver> endpointObserverGetter =<a name="line.433"></a> +<span class="sourceLineNo">434</span> RegionCoprocessor::getEndpointObserver;<a name="line.434"></a> +<span class="sourceLineNo">435</span><a name="line.435"></a> +<span class="sourceLineNo">436</span> abstract class RegionObserverOperation extends ObserverOperationWithoutResult<RegionObserver> {<a name="line.436"></a> +<span class="sourceLineNo">437</span> public RegionObserverOperation() {<a name="line.437"></a> +<span class="sourceLineNo">438</span> super(regionObserverGetter);<a name="line.438"></a> +<span class="sourceLineNo">439</span> }<a name="line.439"></a> +<span class="sourceLineNo">440</span><a name="line.440"></a> +<span class="sourceLineNo">441</span> public RegionObserverOperation(User user) {<a name="line.441"></a> +<span class="sourceLineNo">442</span> super(regionObserverGetter, user);<a name="line.442"></a> +<span class="sourceLineNo">443</span> }<a name="line.443"></a> +<span class="sourceLineNo">444</span> }<a name="line.444"></a> +<span class="sourceLineNo">445</span><a name="line.445"></a> +<span class="sourceLineNo">446</span> abstract class BulkLoadObserverOperation extends<a name="line.446"></a> +<span class="sourceLineNo">447</span> ObserverOperationWithoutResult<BulkLoadObserver> {<a name="line.447"></a> +<span class="sourceLineNo">448</span> public BulkLoadObserverOperation(User user) {<a name="line.448"></a> +<span class="sourceLineNo">449</span> super(RegionCoprocessor::getBulkLoadObserver, user);<a name="line.449"></a> +<span class="sourceLineNo">450</span> }<a name="line.450"></a> +<span class="sourceLineNo">451</span> }<a name="line.451"></a> +<span class="sourceLineNo">452</span><a name="line.452"></a> <span class="sourceLineNo">453</span><a name="line.453"></a> -<span class="sourceLineNo">454</span><a name="line.454"></a> -<span class="sourceLineNo">455</span> //////////////////////////////////////////////////////////////////////////////////////////////////<a name="line.455"></a> -<span class="sourceLineNo">456</span> // Observer operations<a name="line.456"></a> -<span class="sourceLineNo">457</span> //////////////////////////////////////////////////////////////////////////////////////////////////<a name="line.457"></a> -<span class="sourceLineNo">458</span><a name="line.458"></a> -<span class="sourceLineNo">459</span> //////////////////////////////////////////////////////////////////////////////////////////////////<a name="line.459"></a> -<span class="sourceLineNo">460</span> // Observer operations<a name="line.460"></a> -<span class="sourceLineNo">461</span> //////////////////////////////////////////////////////////////////////////////////////////////////<a name="line.461"></a> -<span class="sourceLineNo">462</span><a name="line.462"></a> -<span class="sourceLineNo">463</span> /**<a name="line.463"></a> -<span class="sourceLineNo">464</span> * Invoked before a region open.<a name="line.464"></a> -<span class="sourceLineNo">465</span> *<a name="line.465"></a> -<span class="sourceLineNo">466</span> * @throws IOException Signals that an I/O exception has occurred.<a name="line.466"></a> -<span class="sourceLineNo">467</span> */<a name="line.467"></a> -<span class="sourceLineNo">468</span> public void preOpen() throws IOException {<a name="line.468"></a> -<span class="sourceLineNo">469</span> execOperation(coprocEnvironments.isEmpty() ? null : new RegionObserverOperation() {<a name="line.469"></a> -<span class="sourceLineNo">470</span> @Override<a name="line.470"></a> -<span class="sourceLineNo">471</span> public void call(RegionObserver observer) throws IOException {<a name="line.471"></a> -<span class="sourceLineNo">472</span> observer.preOpen(this);<a name="line.472"></a> -<span class="sourceLineNo">473</span> }<a name="line.473"></a> -<span class="sourceLineNo">474</span> });<a name="line.474"></a> -<span class="sourceLineNo">475</span> }<a name="line.475"></a> +<span class="sourceLineNo">454</span> //////////////////////////////////////////////////////////////////////////////////////////////////<a name="line.454"></a> +<span class="sourceLineNo">455</span> // Observer operations<a name="line.455"></a> +<span class="sourceLineNo">456</span> //////////////////////////////////////////////////////////////////////////////////////////////////<a name="line.456"></a> +<span class="sourceLineNo">457</span><a name="line.457"></a> +<span class="sourceLineNo">458</span> //////////////////////////////////////////////////////////////////////////////////////////////////<a name="line.458"></a> +<span class="sourceLineNo">459</span> // Observer operations<a name="line.459"></a> +<span class="sourceLineNo">460</span> //////////////////////////////////////////////////////////////////////////////////////////////////<a name="line.460"></a> +<span class="sourceLineNo">461</span><a name="line.461"></a> +<span class="sourceLineNo">462</span> /**<a name="line.462"></a> +<span class="sourceLineNo">463</span> * Invoked before a region open.<a name="line.463"></a> +<span class="sourceLineNo">464</span> *<a name="line.464"></a> +<span class="sourceLineNo">465</span> * @throws IOException Signals that an I/O exception has occurred.<a name="line.465"></a> +<span class="sourceLineNo">466</span> */<a name="line.466"></a> +<span class="sourceLineNo">467</span> public void preOpen() throws IOException {<a name="line.467"></a> +<span class="sourceLineNo">468</span> execOperation(coprocEnvironments.isEmpty() ? null : new RegionObserverOperation() {<a name="line.468"></a> +<span class="sourceLineNo">469</span> @Override<a name="line.469"></a> +<span class="sourceLineNo">470</span> public void call(RegionObserver observer) throws IOException {<a name="line.470"></a> +<span class="sourceLineNo">471</span> observer.preOpen(this);<a name="line.471"></a> +<span class="sourceLineNo">472</span> }<a name="line.472"></a> +<span class="sourceLineNo">473</span> });<a name="line.473"></a> +<span class="sourceLineNo">474</span> }<a name="line.474"></a> +<span class="sourceLineNo">475</span><a name="line.475"></a> <span class="sourceLineNo">476</span><a name="line.476"></a> -<span class="sourceLineNo">477</span><a name="line.477"></a> -<span class="sourceLineNo">478</span> /**<a name="line.478"></a> -<span class="sourceLineNo">479</span> * Invoked after a region open<a name="line.479"></a> -<span class="sourceLineNo">480</span> */<a name="line.480"></a> -<span class="sourceLineNo">481</span> public void postOpen() {<a name="line.481"></a> -<span class="sourceLineNo">482</span> try {<a name="line.482"></a> -<span class="sourceLineNo">483</span> execOperation(coprocEnvironments.isEmpty() ? null : new RegionObserverOperation() {<a name="line.483"></a> -<span class="sourceLineNo">484</span> @Override<a name="line.484"></a> -<span class="sourceLineNo">485</span> public void call(RegionObserver observer) throws IOException {<a name="line.485"></a> -<span class="sourceLineNo">486</span> observer.postOpen(this);<a name="line.486"></a> -<span class="sourceLineNo">487</span> }<a name="line.487"></a> -<span class="sourceLineNo">488</span> });<a name="line.488"></a> -<span class="sourceLineNo">489</span> } catch (IOException e) {<a name="line.489"></a> -<span class="sourceLineNo">490</span> LOG.warn(e);<a name="line.490"></a> -<span class="sourceLineNo">491</span> }<a name="line.491"></a> -<span class="sourceLineNo">492</span> }<a name="line.492"></a> -<span class="sourceLineNo">493</span><a name="line.493"></a> -<span class="sourceLineNo">494</span> /**<a name="line.494"></a> -<span class="sourceLineNo">495</span> * Invoked after log replay on region<a name="line.495"></a> -<span class="sourceLineNo">496</span> */<a name="line.496"></a> -<span class="sourceLineNo">497</span> public void postLogReplay() {<a name="line.497"></a> -<span class="sourceLineNo">498</span> try {<a name="line.498"></a> -<span class="sourceLineNo">499</span> execOperation(coprocEnvironments.isEmpty() ? 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<TRUNCATED>
