http://git-wip-us.apache.org/repos/asf/hbase-site/blob/32d40534/devapidocs/src-html/org/apache/hadoop/hbase/client/HTable.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/HTable.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/HTable.html index fa3eec2..0fc2c34 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/HTable.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/HTable.html @@ -136,1195 +136,1196 @@ <span class="sourceLineNo">128</span> if (maxThreads == 0) {<a name="line.128"></a> <span class="sourceLineNo">129</span> maxThreads = 1; // is there a better default?<a name="line.129"></a> <span class="sourceLineNo">130</span> }<a name="line.130"></a> -<span class="sourceLineNo">131</span> long keepAliveTime = conf.getLong("hbase.htable.threads.keepalivetime", 60);<a name="line.131"></a> -<span class="sourceLineNo">132</span><a name="line.132"></a> -<span class="sourceLineNo">133</span> // Using the "direct handoff" approach, new threads will only be created<a name="line.133"></a> -<span class="sourceLineNo">134</span> // if it is necessary and will grow unbounded. This could be bad but in HCM<a name="line.134"></a> -<span class="sourceLineNo">135</span> // we only create as many Runnables as there are region servers. It means<a name="line.135"></a> -<span class="sourceLineNo">136</span> // it also scales when new region servers are added.<a name="line.136"></a> -<span class="sourceLineNo">137</span> ThreadPoolExecutor pool = new ThreadPoolExecutor(1, maxThreads, keepAliveTime, TimeUnit.SECONDS,<a name="line.137"></a> -<span class="sourceLineNo">138</span> new SynchronousQueue<Runnable>(), Threads.newDaemonThreadFactory("htable"));<a name="line.138"></a> -<span class="sourceLineNo">139</span> pool.allowCoreThreadTimeOut(true);<a name="line.139"></a> -<span class="sourceLineNo">140</span> return pool;<a name="line.140"></a> -<span class="sourceLineNo">141</span> }<a name="line.141"></a> -<span class="sourceLineNo">142</span><a name="line.142"></a> -<span class="sourceLineNo">143</span> /**<a name="line.143"></a> -<span class="sourceLineNo">144</span> * Creates an object to access a HBase table.<a name="line.144"></a> -<span class="sourceLineNo">145</span> * Used by HBase internally. DO NOT USE. See {@link ConnectionFactory} class comment for how to<a name="line.145"></a> -<span class="sourceLineNo">146</span> * get a {@link Table} instance (use {@link Table} instead of {@link HTable}).<a name="line.146"></a> -<span class="sourceLineNo">147</span> * @param tableName Name of the table.<a name="line.147"></a> -<span class="sourceLineNo">148</span> * @param connection HConnection to be used.<a name="line.148"></a> -<span class="sourceLineNo">149</span> * @param pool ExecutorService to be used.<a name="line.149"></a> -<span class="sourceLineNo">150</span> * @throws IOException if a remote or network exception occurs<a name="line.150"></a> -<span class="sourceLineNo">151</span> */<a name="line.151"></a> -<span class="sourceLineNo">152</span> @InterfaceAudience.Private<a name="line.152"></a> -<span class="sourceLineNo">153</span> protected HTable(TableName tableName, final ClusterConnection connection,<a name="line.153"></a> -<span class="sourceLineNo">154</span> final TableConfiguration tableConfig,<a name="line.154"></a> -<span class="sourceLineNo">155</span> final RpcRetryingCallerFactory rpcCallerFactory,<a name="line.155"></a> -<span class="sourceLineNo">156</span> final RpcControllerFactory rpcControllerFactory,<a name="line.156"></a> -<span class="sourceLineNo">157</span> final ExecutorService pool) throws IOException {<a name="line.157"></a> -<span class="sourceLineNo">158</span> if (connection == null || connection.isClosed()) {<a name="line.158"></a> -<span class="sourceLineNo">159</span> throw new IllegalArgumentException("Connection is null or closed.");<a name="line.159"></a> -<span class="sourceLineNo">160</span> }<a name="line.160"></a> -<span class="sourceLineNo">161</span> this.tableName = tableName;<a name="line.161"></a> -<span class="sourceLineNo">162</span> this.cleanupConnectionOnClose = false;<a name="line.162"></a> -<span class="sourceLineNo">163</span> this.connection = connection;<a name="line.163"></a> -<span class="sourceLineNo">164</span> this.configuration = connection.getConfiguration();<a name="line.164"></a> -<span class="sourceLineNo">165</span> this.tableConfiguration = tableConfig;<a name="line.165"></a> -<span class="sourceLineNo">166</span> this.pool = pool;<a name="line.166"></a> -<span class="sourceLineNo">167</span> if (pool == null) {<a name="line.167"></a> -<span class="sourceLineNo">168</span> this.pool = getDefaultExecutor(this.configuration);<a name="line.168"></a> -<span class="sourceLineNo">169</span> this.cleanupPoolOnClose = true;<a name="line.169"></a> -<span class="sourceLineNo">170</span> } else {<a name="line.170"></a> -<span class="sourceLineNo">171</span> this.cleanupPoolOnClose = false;<a name="line.171"></a> -<span class="sourceLineNo">172</span> }<a name="line.172"></a> -<span class="sourceLineNo">173</span><a name="line.173"></a> -<span class="sourceLineNo">174</span> this.rpcCallerFactory = rpcCallerFactory;<a name="line.174"></a> -<span class="sourceLineNo">175</span> this.rpcControllerFactory = rpcControllerFactory;<a name="line.175"></a> -<span class="sourceLineNo">176</span><a name="line.176"></a> -<span class="sourceLineNo">177</span> this.finishSetup();<a name="line.177"></a> -<span class="sourceLineNo">178</span> }<a name="line.178"></a> -<span class="sourceLineNo">179</span><a name="line.179"></a> -<span class="sourceLineNo">180</span> /**<a name="line.180"></a> -<span class="sourceLineNo">181</span> * For internal testing. Uses Connection provided in {@code params}.<a name="line.181"></a> -<span class="sourceLineNo">182</span> * @throws IOException<a name="line.182"></a> -<span class="sourceLineNo">183</span> */<a name="line.183"></a> -<span class="sourceLineNo">184</span> @VisibleForTesting<a name="line.184"></a> -<span class="sourceLineNo">185</span> protected HTable(ClusterConnection conn, BufferedMutatorParams params) throws IOException {<a name="line.185"></a> -<span class="sourceLineNo">186</span> connection = conn;<a name="line.186"></a> -<span class="sourceLineNo">187</span> tableName = params.getTableName();<a name="line.187"></a> -<span class="sourceLineNo">188</span> tableConfiguration = new TableConfiguration(connection.getConfiguration());<a name="line.188"></a> -<span class="sourceLineNo">189</span> cleanupPoolOnClose = false;<a name="line.189"></a> -<span class="sourceLineNo">190</span> cleanupConnectionOnClose = false;<a name="line.190"></a> -<span class="sourceLineNo">191</span> // used from tests, don't trust the connection is real<a name="line.191"></a> -<span class="sourceLineNo">192</span> this.mutator = new BufferedMutatorImpl(conn, null, null, params);<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> /**<a name="line.195"></a> -<span class="sourceLineNo">196</span> * @return maxKeyValueSize from configuration.<a name="line.196"></a> -<span class="sourceLineNo">197</span> */<a name="line.197"></a> -<span class="sourceLineNo">198</span> public static int getMaxKeyValueSize(Configuration conf) {<a name="line.198"></a> -<span class="sourceLineNo">199</span> return conf.getInt("hbase.client.keyvalue.maxsize", -1);<a name="line.199"></a> -<span class="sourceLineNo">200</span> }<a name="line.200"></a> -<span class="sourceLineNo">201</span><a name="line.201"></a> -<span class="sourceLineNo">202</span> /**<a name="line.202"></a> -<span class="sourceLineNo">203</span> * setup this HTable's parameter based on the passed configuration<a name="line.203"></a> -<span class="sourceLineNo">204</span> */<a name="line.204"></a> -<span class="sourceLineNo">205</span> private void finishSetup() throws IOException {<a name="line.205"></a> -<span class="sourceLineNo">206</span> if (tableConfiguration == null) {<a name="line.206"></a> -<span class="sourceLineNo">207</span> tableConfiguration = new TableConfiguration(configuration);<a name="line.207"></a> -<span class="sourceLineNo">208</span> }<a name="line.208"></a> -<span class="sourceLineNo">209</span><a name="line.209"></a> -<span class="sourceLineNo">210</span> this.operationTimeout = tableName.isSystemTable() ?<a name="line.210"></a> -<span class="sourceLineNo">211</span> tableConfiguration.getMetaOperationTimeout() : tableConfiguration.getOperationTimeout();<a name="line.211"></a> -<span class="sourceLineNo">212</span> this.scannerCaching = tableConfiguration.getScannerCaching();<a name="line.212"></a> -<span class="sourceLineNo">213</span> this.scannerMaxResultSize = tableConfiguration.getScannerMaxResultSize();<a name="line.213"></a> -<span class="sourceLineNo">214</span> if (this.rpcCallerFactory == null) {<a name="line.214"></a> -<span class="sourceLineNo">215</span> this.rpcCallerFactory = connection.getNewRpcRetryingCallerFactory(configuration);<a name="line.215"></a> -<span class="sourceLineNo">216</span> }<a name="line.216"></a> -<span class="sourceLineNo">217</span> if (this.rpcControllerFactory == null) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> this.rpcControllerFactory = RpcControllerFactory.instantiate(configuration);<a name="line.218"></a> -<span class="sourceLineNo">219</span> }<a name="line.219"></a> -<span class="sourceLineNo">220</span><a name="line.220"></a> -<span class="sourceLineNo">221</span> // puts need to track errors globally due to how the APIs currently work.<a name="line.221"></a> -<span class="sourceLineNo">222</span> multiAp = this.connection.getAsyncProcess();<a name="line.222"></a> -<span class="sourceLineNo">223</span> this.locator = new HRegionLocator(getName(), connection);<a name="line.223"></a> -<span class="sourceLineNo">224</span> }<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> * {@inheritDoc}<a name="line.227"></a> -<span class="sourceLineNo">228</span> */<a name="line.228"></a> -<span class="sourceLineNo">229</span> @Override<a name="line.229"></a> -<span class="sourceLineNo">230</span> public Configuration getConfiguration() {<a name="line.230"></a> -<span class="sourceLineNo">231</span> return configuration;<a name="line.231"></a> -<span class="sourceLineNo">232</span> }<a name="line.232"></a> -<span class="sourceLineNo">233</span><a name="line.233"></a> -<span class="sourceLineNo">234</span> /**<a name="line.234"></a> -<span class="sourceLineNo">235</span> * {@inheritDoc}<a name="line.235"></a> -<span class="sourceLineNo">236</span> */<a name="line.236"></a> -<span class="sourceLineNo">237</span> @Override<a name="line.237"></a> -<span class="sourceLineNo">238</span> public byte [] getTableName() {<a name="line.238"></a> -<span class="sourceLineNo">239</span> return this.tableName.getName();<a name="line.239"></a> -<span class="sourceLineNo">240</span> }<a name="line.240"></a> -<span class="sourceLineNo">241</span><a name="line.241"></a> -<span class="sourceLineNo">242</span> @Override<a name="line.242"></a> -<span class="sourceLineNo">243</span> public TableName getName() {<a name="line.243"></a> -<span class="sourceLineNo">244</span> return tableName;<a name="line.244"></a> -<span class="sourceLineNo">245</span> }<a name="line.245"></a> -<span class="sourceLineNo">246</span><a name="line.246"></a> -<span class="sourceLineNo">247</span> /**<a name="line.247"></a> -<span class="sourceLineNo">248</span> * <em>INTERNAL</em> Used by unit tests and tools to do low-level<a name="line.248"></a> -<span class="sourceLineNo">249</span> * manipulations.<a name="line.249"></a> -<span class="sourceLineNo">250</span> * @return An HConnection instance.<a name="line.250"></a> -<span class="sourceLineNo">251</span> * @deprecated This method will be changed from public to package protected.<a name="line.251"></a> -<span class="sourceLineNo">252</span> */<a name="line.252"></a> -<span class="sourceLineNo">253</span> // TODO(tsuna): Remove this. Unit tests shouldn't require public helpers.<a name="line.253"></a> -<span class="sourceLineNo">254</span> @Deprecated<a name="line.254"></a> -<span class="sourceLineNo">255</span> @VisibleForTesting<a name="line.255"></a> -<span class="sourceLineNo">256</span> public HConnection getConnection() {<a name="line.256"></a> -<span class="sourceLineNo">257</span> return this.connection;<a name="line.257"></a> -<span class="sourceLineNo">258</span> }<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> * {@inheritDoc}<a name="line.261"></a> -<span class="sourceLineNo">262</span> */<a name="line.262"></a> -<span class="sourceLineNo">263</span> @Override<a name="line.263"></a> -<span class="sourceLineNo">264</span> public HTableDescriptor getTableDescriptor() throws IOException {<a name="line.264"></a> -<span class="sourceLineNo">265</span> HTableDescriptor htd = HBaseAdmin.getTableDescriptor(tableName, connection, rpcCallerFactory, operationTimeout);<a name="line.265"></a> -<span class="sourceLineNo">266</span> if (htd != null) {<a name="line.266"></a> -<span class="sourceLineNo">267</span> return new UnmodifyableHTableDescriptor(htd);<a name="line.267"></a> -<span class="sourceLineNo">268</span> }<a name="line.268"></a> -<span class="sourceLineNo">269</span> return null;<a name="line.269"></a> -<span class="sourceLineNo">270</span> }<a name="line.270"></a> -<span class="sourceLineNo">271</span><a name="line.271"></a> -<span class="sourceLineNo">272</span> private <V> V executeMasterCallable(MasterCallable<V> callable) throws IOException {<a name="line.272"></a> -<span class="sourceLineNo">273</span> RpcRetryingCaller<V> caller = rpcCallerFactory.newCaller();<a name="line.273"></a> -<span class="sourceLineNo">274</span> try {<a name="line.274"></a> -<span class="sourceLineNo">275</span> return caller.callWithRetries(callable, operationTimeout);<a name="line.275"></a> -<span class="sourceLineNo">276</span> } finally {<a name="line.276"></a> -<span class="sourceLineNo">277</span> callable.close();<a name="line.277"></a> -<span class="sourceLineNo">278</span> }<a name="line.278"></a> -<span class="sourceLineNo">279</span> }<a name="line.279"></a> -<span class="sourceLineNo">280</span><a name="line.280"></a> -<span class="sourceLineNo">281</span> /**<a name="line.281"></a> -<span class="sourceLineNo">282</span> * Get the corresponding start keys and regions for an arbitrary range of<a name="line.282"></a> -<span class="sourceLineNo">283</span> * keys.<a name="line.283"></a> -<span class="sourceLineNo">284</span> * <p><a name="line.284"></a> -<span class="sourceLineNo">285</span> * @param startKey Starting row in range, inclusive<a name="line.285"></a> -<span class="sourceLineNo">286</span> * @param endKey Ending row in range<a name="line.286"></a> -<span class="sourceLineNo">287</span> * @param includeEndKey true if endRow is inclusive, false if exclusive<a name="line.287"></a> -<span class="sourceLineNo">288</span> * @return A pair of list of start keys and list of HRegionLocations that<a name="line.288"></a> -<span class="sourceLineNo">289</span> * contain the specified range<a name="line.289"></a> -<span class="sourceLineNo">290</span> * @throws IOException if a remote or network exception occurs<a name="line.290"></a> -<span class="sourceLineNo">291</span> */<a name="line.291"></a> -<span class="sourceLineNo">292</span> private Pair<List<byte[]>, List<HRegionLocation>> getKeysAndRegionsInRange(<a name="line.292"></a> -<span class="sourceLineNo">293</span> final byte[] startKey, final byte[] endKey, final boolean includeEndKey)<a name="line.293"></a> -<span class="sourceLineNo">294</span> throws IOException {<a name="line.294"></a> -<span class="sourceLineNo">295</span> return getKeysAndRegionsInRange(startKey, endKey, includeEndKey, false);<a name="line.295"></a> -<span class="sourceLineNo">296</span> }<a name="line.296"></a> -<span class="sourceLineNo">297</span><a name="line.297"></a> -<span class="sourceLineNo">298</span> /**<a name="line.298"></a> -<span class="sourceLineNo">299</span> * Get the corresponding start keys and regions for an arbitrary range of<a name="line.299"></a> -<span class="sourceLineNo">300</span> * keys.<a name="line.300"></a> -<span class="sourceLineNo">301</span> * <p><a name="line.301"></a> -<span class="sourceLineNo">302</span> * @param startKey Starting row in range, inclusive<a name="line.302"></a> -<span class="sourceLineNo">303</span> * @param endKey Ending row in range<a name="line.303"></a> -<span class="sourceLineNo">304</span> * @param includeEndKey true if endRow is inclusive, false if exclusive<a name="line.304"></a> -<span class="sourceLineNo">305</span> * @param reload true to reload information or false to use cached information<a name="line.305"></a> -<span class="sourceLineNo">306</span> * @return A pair of list of start keys and list of HRegionLocations that<a name="line.306"></a> -<span class="sourceLineNo">307</span> * contain the specified range<a name="line.307"></a> -<span class="sourceLineNo">308</span> * @throws IOException if a remote or network exception occurs<a name="line.308"></a> -<span class="sourceLineNo">309</span> */<a name="line.309"></a> -<span class="sourceLineNo">310</span> private Pair<List<byte[]>, List<HRegionLocation>> getKeysAndRegionsInRange(<a name="line.310"></a> -<span class="sourceLineNo">311</span> final byte[] startKey, final byte[] endKey, final boolean includeEndKey,<a name="line.311"></a> -<span class="sourceLineNo">312</span> final boolean reload) throws IOException {<a name="line.312"></a> -<span class="sourceLineNo">313</span> final boolean endKeyIsEndOfTable = Bytes.equals(endKey,HConstants.EMPTY_END_ROW);<a name="line.313"></a> -<span class="sourceLineNo">314</span> if ((Bytes.compareTo(startKey, endKey) > 0) && !endKeyIsEndOfTable) {<a 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keysInRange.add(currentKey);<a name="line.324"></a> -<span class="sourceLineNo">325</span> regionsInRange.add(regionLocation);<a name="line.325"></a> -<span class="sourceLineNo">326</span> currentKey = regionLocation.getRegionInfo().getEndKey();<a name="line.326"></a> -<span class="sourceLineNo">327</span> } while (!Bytes.equals(currentKey, HConstants.EMPTY_END_ROW)<a name="line.327"></a> -<span class="sourceLineNo">328</span> && (endKeyIsEndOfTable || Bytes.compareTo(currentKey, endKey) < 0<a name="line.328"></a> -<span class="sourceLineNo">329</span> || (includeEndKey && Bytes.compareTo(currentKey, endKey) == 0)));<a name="line.329"></a> -<span class="sourceLineNo">330</span> return new Pair<List<byte[]>, List<HRegionLocation>>(keysInRange,<a name="line.330"></a> -<span class="sourceLineNo">331</span> regionsInRange);<a name="line.331"></a> -<span class="sourceLineNo">332</span> }<a name="line.332"></a> -<span class="sourceLineNo">333</span><a name="line.333"></a> -<span class="sourceLineNo">334</span> /**<a name="line.334"></a> -<span class="sourceLineNo">335</span> * The underlying {@link HTable} must not be closed.<a name="line.335"></a> -<span class="sourceLineNo">336</span> * {@link HTableInterface#getScanner(Scan)} has other usage details.<a name="line.336"></a> -<span class="sourceLineNo">337</span> */<a name="line.337"></a> -<span class="sourceLineNo">338</span> @Override<a name="line.338"></a> -<span class="sourceLineNo">339</span> public ResultScanner getScanner(final Scan scan) throws IOException {<a name="line.339"></a> -<span class="sourceLineNo">340</span> if (scan.getBatch() > 0 && scan.isSmall()) {<a name="line.340"></a> -<span class="sourceLineNo">341</span> throw new IllegalArgumentException("Small scan should not be used with batching");<a name="line.341"></a> -<span class="sourceLineNo">342</span> }<a name="line.342"></a> -<span class="sourceLineNo">343</span><a name="line.343"></a> -<span class="sourceLineNo">344</span> if 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class="sourceLineNo">397</span> * The underlying {@link HTable} must not be closed.<a name="line.397"></a> -<span class="sourceLineNo">398</span> * {@link HTableInterface#getScanner(byte[], byte[])} has other usage details.<a name="line.398"></a> -<span class="sourceLineNo">399</span> */<a name="line.399"></a> -<span class="sourceLineNo">400</span> @Override<a name="line.400"></a> -<span class="sourceLineNo">401</span> public ResultScanner getScanner(byte [] family, byte [] qualifier)<a name="line.401"></a> -<span class="sourceLineNo">402</span> throws IOException {<a name="line.402"></a> -<span class="sourceLineNo">403</span> Scan scan = new Scan();<a name="line.403"></a> -<span class="sourceLineNo">404</span> scan.addColumn(family, qualifier);<a name="line.404"></a> -<span class="sourceLineNo">405</span> return getScanner(scan);<a name="line.405"></a> -<span class="sourceLineNo">406</span> }<a name="line.406"></a> -<span class="sourceLineNo">407</span><a name="line.407"></a> -<span class="sourceLineNo">408</span> /**<a name="line.408"></a> -<span class="sourceLineNo">409</span> * {@inheritDoc}<a name="line.409"></a> -<span class="sourceLineNo">410</span> */<a name="line.410"></a> -<span class="sourceLineNo">411</span> @Override<a name="line.411"></a> -<span class="sourceLineNo">412</span> public Result get(final Get get) throws IOException {<a name="line.412"></a> -<span class="sourceLineNo">413</span> return get(get, get.isCheckExistenceOnly());<a name="line.413"></a> -<span class="sourceLineNo">414</span> }<a name="line.414"></a> -<span class="sourceLineNo">415</span><a name="line.415"></a> -<span class="sourceLineNo">416</span> private Result get(Get get, final boolean checkExistenceOnly) throws IOException {<a name="line.416"></a> -<span class="sourceLineNo">417</span> // if we are changing settings to the get, clone it.<a name="line.417"></a> -<span class="sourceLineNo">418</span> if (get.isCheckExistenceOnly() != checkExistenceOnly || get.getConsistency() 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callable = new RegionServerCallable<Result>(this.connection,<a name="line.429"></a> -<span class="sourceLineNo">430</span> getName(), get.getRow()) {<a name="line.430"></a> -<span class="sourceLineNo">431</span> @Override<a name="line.431"></a> -<span class="sourceLineNo">432</span> public Result call(int callTimeout) throws IOException {<a name="line.432"></a> -<span class="sourceLineNo">433</span> ClientProtos.GetRequest request =<a name="line.433"></a> -<span class="sourceLineNo">434</span> RequestConverter.buildGetRequest(getLocation().getRegionInfo().getRegionName(), getReq);<a name="line.434"></a> -<span class="sourceLineNo">435</span> PayloadCarryingRpcController controller = rpcControllerFactory.newController();<a name="line.435"></a> -<span class="sourceLineNo">436</span> controller.setPriority(tableName);<a name="line.436"></a> -<span class="sourceLineNo">437</span> controller.setCallTimeout(callTimeout);<a name="line.437"></a> -<span class="sourceLineNo">438</span> try {<a 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class="sourceLineNo">131</span> int corePoolSize = conf.getInt("hbase.htable.threads.coresize", 1);<a name="line.131"></a> +<span class="sourceLineNo">132</span> long keepAliveTime = conf.getLong("hbase.htable.threads.keepalivetime", 60);<a name="line.132"></a> +<span class="sourceLineNo">133</span><a name="line.133"></a> +<span class="sourceLineNo">134</span> // Using the "direct handoff" approach, new threads will only be created<a name="line.134"></a> +<span class="sourceLineNo">135</span> // if it is necessary and will grow unbounded. This could be bad but in HCM<a name="line.135"></a> +<span class="sourceLineNo">136</span> // we only create as many Runnables as there are region servers. 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DO NOT USE. See {@link ConnectionFactory} class comment for how to<a name="line.146"></a> +<span class="sourceLineNo">147</span> * get a {@link Table} instance (use {@link Table} instead of {@link HTable}).<a name="line.147"></a> +<span class="sourceLineNo">148</span> * @param tableName Name of the table.<a name="line.148"></a> +<span class="sourceLineNo">149</span> * @param connection HConnection to be used.<a name="line.149"></a> +<span class="sourceLineNo">150</span> * @param pool ExecutorService to be used.<a name="line.150"></a> +<span class="sourceLineNo">151</span> * @throws IOException if a remote or network exception occurs<a name="line.151"></a> +<span class="sourceLineNo">152</span> */<a name="line.152"></a> +<span class="sourceLineNo">153</span> @InterfaceAudience.Private<a name="line.153"></a> +<span class="sourceLineNo">154</span> protected HTable(TableName tableName, final ClusterConnection connection,<a name="line.154"></a> +<span class="sourceLineNo">155</span> final TableConfiguration tableConfig,<a name="line.155"></a> +<span class="sourceLineNo">156</span> final RpcRetryingCallerFactory rpcCallerFactory,<a name="line.156"></a> +<span class="sourceLineNo">157</span> final RpcControllerFactory rpcControllerFactory,<a name="line.157"></a> +<span class="sourceLineNo">158</span> final ExecutorService pool) throws IOException {<a name="line.158"></a> +<span class="sourceLineNo">159</span> if (connection == null || connection.isClosed()) {<a name="line.159"></a> +<span class="sourceLineNo">160</span> throw new IllegalArgumentException("Connection is null or closed.");<a name="line.160"></a> +<span class="sourceLineNo">161</span> }<a name="line.161"></a> +<span class="sourceLineNo">162</span> this.tableName = tableName;<a name="line.162"></a> +<span class="sourceLineNo">163</span> this.cleanupConnectionOnClose = false;<a name="line.163"></a> +<span class="sourceLineNo">164</span> this.connection = connection;<a name="line.164"></a> +<span class="sourceLineNo">165</span> this.configuration = connection.getConfiguration();<a name="line.165"></a> +<span class="sourceLineNo">166</span> this.tableConfiguration = tableConfig;<a name="line.166"></a> +<span class="sourceLineNo">167</span> this.pool = pool;<a name="line.167"></a> +<span class="sourceLineNo">168</span> if (pool == null) {<a name="line.168"></a> +<span class="sourceLineNo">169</span> this.pool = getDefaultExecutor(this.configuration);<a name="line.169"></a> +<span class="sourceLineNo">170</span> this.cleanupPoolOnClose = true;<a name="line.170"></a> +<span class="sourceLineNo">171</span> } else {<a name="line.171"></a> +<span class="sourceLineNo">172</span> this.cleanupPoolOnClose = false;<a name="line.172"></a> +<span class="sourceLineNo">173</span> }<a name="line.173"></a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span> this.rpcCallerFactory = rpcCallerFactory;<a name="line.175"></a> +<span class="sourceLineNo">176</span> this.rpcControllerFactory = rpcControllerFactory;<a name="line.176"></a> +<span class="sourceLineNo">177</span><a name="line.177"></a> +<span class="sourceLineNo">178</span> this.finishSetup();<a name="line.178"></a> +<span class="sourceLineNo">179</span> }<a name="line.179"></a> +<span class="sourceLineNo">180</span><a name="line.180"></a> +<span class="sourceLineNo">181</span> /**<a name="line.181"></a> +<span class="sourceLineNo">182</span> * For internal testing. 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+<span class="sourceLineNo">204</span> * setup this HTable's parameter based on the passed configuration<a name="line.204"></a> +<span class="sourceLineNo">205</span> */<a name="line.205"></a> +<span class="sourceLineNo">206</span> private void finishSetup() throws IOException {<a name="line.206"></a> +<span class="sourceLineNo">207</span> if (tableConfiguration == null) {<a name="line.207"></a> +<span class="sourceLineNo">208</span> tableConfiguration = new TableConfiguration(configuration);<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> this.operationTimeout = tableName.isSystemTable() ?<a name="line.211"></a> +<span class="sourceLineNo">212</span> tableConfiguration.getMetaOperationTimeout() : tableConfiguration.getOperationTimeout();<a name="line.212"></a> +<span class="sourceLineNo">213</span> this.scannerCaching = tableConfiguration.getScannerCaching();<a name="line.213"></a> +<span class="sourceLineNo">214</span> this.scannerMaxResultSize = tableConfiguration.getScannerMaxResultSize();<a name="line.214"></a> +<span class="sourceLineNo">215</span> if (this.rpcCallerFactory == null) {<a name="line.215"></a> +<span class="sourceLineNo">216</span> this.rpcCallerFactory = connection.getNewRpcRetryingCallerFactory(configuration);<a name="line.216"></a> +<span class="sourceLineNo">217</span> }<a name="line.217"></a> +<span class="sourceLineNo">218</span> if (this.rpcControllerFactory == null) {<a name="line.218"></a> +<span class="sourceLineNo">219</span> this.rpcControllerFactory = RpcControllerFactory.instantiate(configuration);<a name="line.219"></a> +<span class="sourceLineNo">220</span> }<a name="line.220"></a> +<span class="sourceLineNo">221</span><a name="line.221"></a> +<span class="sourceLineNo">222</span> // puts need to track errors globally due to how the APIs currently work.<a name="line.222"></a> +<span class="sourceLineNo">223</span> multiAp = this.connection.getAsyncProcess();<a name="line.223"></a> +<span class="sourceLineNo">224</span> this.locator = new HRegionLocator(getName(), connection);<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> /**<a name="line.227"></a> +<span class="sourceLineNo">228</span> * {@inheritDoc}<a name="line.228"></a> +<span class="sourceLineNo">229</span> */<a name="line.229"></a> +<span class="sourceLineNo">230</span> @Override<a name="line.230"></a> +<span class="sourceLineNo">231</span> public Configuration getConfiguration() {<a name="line.231"></a> +<span class="sourceLineNo">232</span> return configuration;<a name="line.232"></a> +<span class="sourceLineNo">233</span> }<a name="line.233"></a> +<span class="sourceLineNo">234</span><a name="line.234"></a> +<span class="sourceLineNo">235</span> /**<a name="line.235"></a> +<span class="sourceLineNo">236</span> * {@inheritDoc}<a name="line.236"></a> +<span class="sourceLineNo">237</span> */<a name="line.237"></a> +<span class="sourceLineNo">238</span> @Override<a name="line.238"></a> +<span class="sourceLineNo">239</span> public byte [] getTableName() {<a name="line.239"></a> +<span class="sourceLineNo">240</span> return this.tableName.getName();<a name="line.240"></a> +<span class="sourceLineNo">241</span> }<a name="line.241"></a> +<span class="sourceLineNo">242</span><a name="line.242"></a> +<span class="sourceLineNo">243</span> @Override<a name="line.243"></a> +<span class="sourceLineNo">244</span> public TableName getName() {<a name="line.244"></a> +<span class="sourceLineNo">245</span> return tableName;<a name="line.245"></a> +<span class="sourceLineNo">246</span> }<a name="line.246"></a> +<span class="sourceLineNo">247</span><a name="line.247"></a> +<span class="sourceLineNo">248</span> /**<a name="line.248"></a> +<span class="sourceLineNo">249</span> * <em>INTERNAL</em> Used by unit tests and tools to do low-level<a name="line.249"></a> +<span class="sourceLineNo">250</span> * manipulations.<a name="line.250"></a> +<span class="sourceLineNo">251</span> * @return An HConnection instance.<a name="line.251"></a> +<span class="sourceLineNo">252</span> * @deprecated This method will be changed from public to package protected.<a name="line.252"></a> +<span class="sourceLineNo">253</span> */<a name="line.253"></a> +<span class="sourceLineNo">254</span> // TODO(tsuna): Remove this. Unit tests shouldn't require public helpers.<a name="line.254"></a> +<span class="sourceLineNo">255</span> @Deprecated<a name="line.255"></a> +<span class="sourceLineNo">256</span> @VisibleForTesting<a name="line.256"></a> +<span class="sourceLineNo">257</span> public HConnection getConnection() {<a name="line.257"></a> +<span class="sourceLineNo">258</span> return this.connection;<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> * {@inheritDoc}<a name="line.262"></a> +<span class="sourceLineNo">263</span> */<a name="line.263"></a> +<span class="sourceLineNo">264</span> @Override<a name="line.264"></a> +<span class="sourceLineNo">265</span> public HTableDescriptor getTableDescriptor() throws IOException {<a name="line.265"></a> +<span class="sourceLineNo">266</span> HTableDescriptor htd = HBaseAdmin.getTableDescriptor(tableName, connection, rpcCallerFactory, operationTimeout);<a name="line.266"></a> +<span class="sourceLineNo">267</span> if (htd != null) {<a name="line.267"></a> +<span class="sourceLineNo">268</span> return new UnmodifyableHTableDescriptor(htd);<a name="line.268"></a> +<span class="sourceLineNo">269</span> }<a name="line.269"></a> +<span class="sourceLineNo">270</span> return null;<a name="line.270"></a> +<span class="sourceLineNo">271</span> }<a name="line.271"></a> +<span class="sourceLineNo">272</span><a name="line.272"></a> +<span class="sourceLineNo">273</span> private <V> V executeMasterCallable(MasterCallable<V> callable) throws IOException {<a name="line.273"></a> +<span class="sourceLineNo">274</span> RpcRetryingCaller<V> caller = rpcCallerFactory.newCaller();<a name="line.274"></a> +<span class="sourceLineNo">275</span> try {<a name="line.275"></a> +<span class="sourceLineNo">276</span> return caller.callWithRetries(callable, operationTimeout);<a name="line.276"></a> +<span class="sourceLineNo">277</span> } finally {<a name="line.277"></a> +<span class="sourceLineNo">278</span> callable.close();<a name="line.278"></a> +<span class="sourceLineNo">279</span> }<a name="line.279"></a> +<span class="sourceLineNo">280</span> }<a name="line.280"></a> +<span class="sourceLineNo">281</span><a name="line.281"></a> +<span class="sourceLineNo">282</span> /**<a name="line.282"></a> +<span class="sourceLineNo">283</span> * Get the corresponding start keys and regions for an arbitrary range of<a name="line.283"></a> +<span class="sourceLineNo">284</span> * keys.<a name="line.284"></a> +<span class="sourceLineNo">285</span> * <p><a name="line.285"></a> +<span class="sourceLineNo">286</span> * @param startKey Starting row in range, inclusive<a name="line.286"></a> +<span class="sourceLineNo">287</span> * @param endKey Ending row in range<a name="line.287"></a> +<span class="sourceLineNo">288</span> * @param includeEndKey true if endRow is inclusive, false if exclusive<a name="line.288"></a> +<span class="sourceLineNo">289</span> * @return A pair of list of start keys and list of HRegionLocations that<a name="line.289"></a> +<span class="sourceLineNo">290</span> * contain the specified range<a name="line.290"></a> +<span class="sourceLineNo">291</span> * @throws IOException if a remote or network exception occurs<a name="line.291"></a> +<span class="sourceLineNo">292</span> */<a name="line.292"></a> +<span class="sourceLineNo">293</span> private Pair<List<byte[]>, List<HRegionLocation>> getKeysAndRegionsInRange(<a name="line.293"></a> +<span class="sourceLineNo">294</span> final byte[] startKey, final byte[] endKey, final boolean includeEndKey)<a name="line.294"></a> +<span class="sourceLineNo">295</span> throws IOException {<a name="line.295"></a> +<span class="sourceLineNo">296</span> return getKeysAndRegionsInRange(startKey, endKey, includeEndKey, false);<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a name="line.297"></a> +<span class="sourceLineNo">298</span><a name="line.298"></a> +<span class="sourceLineNo">299</span> /**<a name="line.299"></a> +<span class="sourceLineNo">300</span> * Get the corresponding start keys and regions for an arbitrary range of<a name="line.300"></a> +<span class="sourceLineNo">301</span> * keys.<a name="line.301"></a> +<span class="sourceLineNo">302</span> * <p><a name="line.302"></a> +<span class="sourceLineNo">303</span> * @param startKey Starting row in range, inclusive<a name="line.303"></a> +<span class="sourceLineNo">304</span> * @param endKey Ending row in range<a name="line.304"></a> +<span class="sourceLineNo">305</span> * @param includeEndKey true if endRow is inclusive, false if exclusive<a name="line.305"></a> +<span class="sourceLineNo">306</span> * @param reload true to reload information or false to use cached information<a name="line.306"></a> +<span class="sourceLineNo">307</span> * @return A pair of list of start keys and list of HRegionLocations that<a name="line.307"></a> +<span class="sourceLineNo">308</span> * contain the specified range<a name="line.308"></a> +<span class="sourceLineNo">309</span> * @throws IOException if a remote or network exception occurs<a name="line.309"></a> +<span class="sourceLineNo">310</span> */<a name="line.310"></a> +<span class="sourceLineNo">311</span> private Pair<List<byte[]>, List<HRegionLocation>> getKeysAndRegionsInRange(<a name="line.311"></a> +<span class="sourceLineNo">312</span> final byte[] startKey, final byte[] endKey, final boolean includeEndKey,<a name="line.312"></a> +<span class="sourceLineNo">313</span> final boolean reload) throws IOException {<a name="line.313"></a> +<span class="sourceLineNo">314</span> final boolean endKeyIsEndOfTable = Bytes.equals(endKey,HConstants.EMPTY_END_ROW);<a name="line.314"></a> +<span class="sourceLineNo">315</span> if ((Bytes.compareTo(startKey, endKey) > 0) && !endKeyIsEndOfTable) {<a name="line.315"></a> +<span class="sourceLineNo">316</span> throw new IllegalArgumentException(<a name="line.316"></a> +<span class="sourceLineNo">317</span> "Invalid range: " + Bytes.toStringBinary(startKey) +<a name="line.317"></a> +<span class="sourceLineNo">318</span> " > " + Bytes.toStringBinary(endKey));<a name="line.318"></a> +<span class="sourceLineNo">319</span> }<a name="line.319"></a> +<span class="sourceLineNo">320</span> List<byte[]> keysInRange = new ArrayList<byte[]>();<a name="line.320"></a> +<span class="sourceLineNo">321</span> List<HRegionLocation> regionsInRange = new ArrayList<HRegionLocation>();<a name="line.321"></a> +<span class="sourceLineNo">322</span> byte[] currentKey = startKey;<a name="line.322"></a> +<span class="sourceLineNo">323</span> do {<a name="line.323"></a> +<span class="sourceLineNo">324</span> HRegionLocation regionLocation = getRegionLocator().getRegionLocation(currentKey, reload);<a name="line.324"></a> +<span class="sourceLineNo">325</span> keysInRange.add(currentKey);<a name="line.325"></a> +<span class="sourceLineNo">326</span> regionsInRange.add(regionLocation);<a name="line.326"></a> +<span class="sourceLineNo">327</span> currentKey = regionLocation.getRegionInfo().getEndKey();<a name="line.327"></a> +<span class="sourceLineNo">328</span> } while (!Bytes.equals(currentKey, HConstants.EMPTY_END_ROW)<a name="line.328"></a> +<span class="sourceLineNo">329</span> && (endKeyIsEndOfTable || Bytes.compareTo(currentKey, endKey) < 0<a name="line.329"></a> +<span class="sourceLineNo">330</span> || (includeEndKey && Bytes.compareTo(currentKey, endKey) == 0)));<a name="line.330"></a> +<span class="sourceLineNo">331</span> return new Pair<List<byte[]>, List<HRegionLocation>>(keysInRange,<a name="line.331"></a> +<span class="sourceLineNo">332</span> regionsInRange);<a name="line.332"></a> +<span class="sourceLineNo">333</span> }<a name="line.333"></a> +<span class="sourceLineNo">334</span><a name="line.334"></a> +<span class="sourceLineNo">335</span> /**<a name="line.335"></a> +<span class="sourceLineNo">336</span> * The underlying {@link HTable} must not be closed.<a name="line.336"></a> +<span class="sourceLineNo">337</span> * {@link HTableInterface#getScanner(Scan)} has other usage details.<a name="line.337"></a> +<span class="sourceLineNo">338</span> */<a name="line.338"></a> +<span class="sourceLineNo">339</span> @Override<a name="line.339"></a> +<span class="sourceLineNo">340</span> public ResultScanner getScanner(final Scan scan) throws IOException {<a name="line.340"></a> +<span class="sourceLineNo">341</span> if (scan.getBatch() > 0 && scan.isSmall()) {<a name="line.341"></a> +<span class="sourceLineNo">342</span> throw new IllegalArgumentException("Small scan should not be used with batching");<a name="line.342"></a> +<span class="sourceLineNo">343</span> }<a name="line.343"></a> +<span class="sourceLineNo">344</span><a name="line.344"></a> +<span class="sourceLineNo">345</span> if (scan.getCaching() <= 0) {<a name="line.345"></a> +<span class="sourceLineNo">346</span> scan.setCaching(scannerCaching);<a name="line.346"></a> +<span class="sourceLineNo">347</span> }<a name="line.347"></a> +<span class="sourceLineNo">348</span> if (scan.getMaxResultSize() <= 0) {<a name="line.348"></a> +<span class="sourceLineNo">349</span> scan.setMaxResultSize(scannerMaxResultSize);<a name="line.349"></a> +<span class="sourceLineNo">350</span> }<a name="line.350"></a> +<span class="sourceLineNo">351</span><a name="line.351"></a> +<span class="sourceLineNo">352</span> Boolean async = scan.isAsyncPrefetch();<a name="line.352"></a> +<span class="sourceLineNo">353</span> if (async == null) {<a name="line.353"></a> +<span class="sourceLineNo">354</span> async = tableConfiguration.isClientScannerAsyncPrefetch();<a name="line.354"></a> +<span class="sourceLineNo">355</span> }<a name="line.355"></a> +<span class="sourceLineNo">356</span><a name="line.356"></a> +<span class="sourceLineNo">357</span> if (scan.isReversed()) {<a name="line.357"></a> +<span class="sourceLineNo">358</span> if (scan.isSmall()) {<a name="line.358"></a> +<span class="sourceLineNo">359</span> return new ClientSmallReversedScanner(getConfiguration(), scan, getName(),<a name="line.359"></a> +<span class="sourceLineNo">360</span> this.connection, this.rpcCallerFactory, this.rpcControllerFactory,<a name="line.360"></a> +<span class="sourceLineNo">361</span> pool, tableConfiguration.getReplicaCallTimeoutMicroSecondScan());<a name="line.361"></a> +<span class="sourceLineNo">362</span> } else {<a name="line.362"></a> +<span class="sourceLineNo">363</span> return new ReversedClientScanner(getConfiguration(), scan, getName(),<a name="line.363"></a> +<span class="sourceLineNo">364</span> this.connection, this.rpcCallerFactory, this.rpcControllerFactory,<a name="line.364"></a> +<span class="sourceLineNo">365</span> pool, tableConfiguration.getReplicaCallTimeoutMicroSecondScan());<a name="line.365"></a> +<span class="sourceLineNo">366</span> }<a name="line.366"></a> +<span class="sourceLineNo">367</span> }<a name="line.367"></a> +<span class="sourceLineNo">368</span><a name="line.368"></a> +<span class="sourceLineNo">369</span> if (scan.isSmall()) {<a name="line.369"></a> +<span class="sourceLineNo">370</span> return new ClientSmallScanner(getConfiguration(), scan, getName(),<a name="line.370"></a> +<span class="sourceLineNo">371</span> this.connection, this.rpcCallerFactory, this.rpcControllerFactory,<a name="line.371"></a> +<span class="sourceLineNo">372</span> pool, tableConfiguration.getReplicaCallTimeoutMicroSecondScan());<a name="line.372"></a> +<span class="sourceLineNo">373</span> } else {<a name="line.373"></a> +<span class="sourceLineNo">374</span> if (async) {<a name="line.374"></a> +<span class="sourceLineNo">375</span> return new ClientAsyncPrefetchScanner(getConfiguration(), scan, getName(), this.connection,<a name="line.375"></a> +<span class="sourceLineNo">376</span> this.rpcCallerFactory, this.rpcControllerFactory,<a name="line.376"></a> +<span class="sourceLineNo">377</span> pool, tableConfiguration.getReplicaCallTimeoutMicroSecondScan());<a name="line.377"></a> +<span class="sourceLineNo">378</span> } else {<a name="line.378"></a> +<span class="sourceLineNo">379</span> return new ClientSimpleScanner(getConfiguration(), scan, getName(), this.connection,<a name="line.379"></a> +<span class="sourceLineNo">380</span> this.rpcCallerFactory, this.rpcControllerFactory,<a name="line.380"></a> +<span class="sourceLineNo">381</span> pool, tableConfiguration.getReplicaCallTimeoutMicroSecondScan());<a name="line.381"></a> +<span class="sourceLineNo">382</span> }<a name="line.382"></a> +<span class="sourceLineNo">383</span> }<a name="line.383"></a> +<span class="sourceLineNo">384</span> }<a name="line.384"></a> +<span class="sourceLineNo">385</span><a name="line.385"></a> +<span class="sourceLineNo">386</span> /**<a 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class="sourceLineNo">398</span> * The underlying {@link HTable} must not be closed.<a name="line.398"></a> +<span class="sourceLineNo">399</span> * {@link HTableInterface#getScanner(byte[], byte[])} has other usage details.<a name="line.399"></a> +<span class="sourceLineNo">400</span> */<a name="line.400"></a> +<span class="sourceLineNo">401</span> @Override<a name="line.401"></a> +<span class="sourceLineNo">402</span> public ResultScanner getScanner(byte [] family, byte [] qualifier)<a name="line.402"></a> +<span class="sourceLineNo">403</span> throws IOException {<a name="line.403"></a> +<span class="sourceLineNo">404</span> Scan scan = new Scan();<a name="line.404"></a> +<span class="sourceLineNo">405</span> scan.addColumn(family, qualifier);<a name="line.405"></a> +<span class="sourceLineNo">406</span> return getScanner(scan);<a name="line.406"></a> +<span class="sourceLineNo">407</span> }<a name="line.407"></a> +<span class="sourceLineNo">408</span><a name="line.408"></a> +<span class="sourceLineNo">409</span> /**<a name="line.409"></a> +<span class="sourceLineNo">410</span> * {@inheritDoc}<a name="line.410"></a> +<span class="sourceLineNo">411</span> */<a name="line.411"></a> +<span class="sourceLineNo">412</span> @Override<a name="line.412"></a> +<span class="sourceLineNo">413</span> public Result get(final Get get) throws IOException {<a name="line.413"></a> +<span class="sourceLineNo">414</span> return get(get, get.isCheckExistenceOnly());<a name="line.414"></a> +<span class="sourceLineNo">415</span> }<a name="line.415"></a> +<span class="sourceLineNo">416</span><a name="line.416"></a> +<span class="sourceLineNo">417</span> private Result get(Get get, final boolean checkExistenceOnly) throws IOException {<a name="line.417"></a> +<span class="sourceLineNo">418</span> // if we are changing settings to the get, clone it.<a name="line.418"></a> +<span class="sourceLineNo">419</span> if (get.isCheckExistenceOnly() != checkExistenceOnly || get.getConsistency() 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