http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e1eb0a07/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 14660e3..0e9a950 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/HTable.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/HTable.html @@ -251,1007 +251,1003 @@ <span class="sourceLineNo">243</span><a name="line.243"></a> <span class="sourceLineNo">244</span> @Override<a name="line.244"></a> <span class="sourceLineNo">245</span> public TableDescriptor getDescriptor() throws IOException {<a name="line.245"></a> -<span class="sourceLineNo">246</span> HTableDescriptor htd = HBaseAdmin.getHTableDescriptor(tableName, connection, rpcCallerFactory,<a name="line.246"></a> +<span class="sourceLineNo">246</span> return HBaseAdmin.getTableDescriptor(tableName, connection, rpcCallerFactory,<a name="line.246"></a> <span class="sourceLineNo">247</span> rpcControllerFactory, operationTimeout, readRpcTimeout);<a name="line.247"></a> -<span class="sourceLineNo">248</span> if (htd != null) {<a name="line.248"></a> -<span class="sourceLineNo">249</span> return new ImmutableHTableDescriptor(htd);<a name="line.249"></a> -<span class="sourceLineNo">250</span> }<a name="line.250"></a> -<span class="sourceLineNo">251</span> return null;<a name="line.251"></a> -<span class="sourceLineNo">252</span> }<a name="line.252"></a> -<span class="sourceLineNo">253</span><a name="line.253"></a> -<span class="sourceLineNo">254</span> /**<a name="line.254"></a> -<span class="sourceLineNo">255</span> * Get the corresponding start keys and regions for an arbitrary range of<a name="line.255"></a> -<span class="sourceLineNo">256</span> * keys.<a name="line.256"></a> -<span class="sourceLineNo">257</span> * <p><a 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endKey, final boolean includeEndKey)<a name="line.266"></a> -<span class="sourceLineNo">267</span> throws IOException {<a name="line.267"></a> -<span class="sourceLineNo">268</span> return getKeysAndRegionsInRange(startKey, endKey, includeEndKey, false);<a name="line.268"></a> -<span class="sourceLineNo">269</span> }<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> * Get the corresponding start keys and regions for an arbitrary range of<a name="line.272"></a> -<span class="sourceLineNo">273</span> * keys.<a name="line.273"></a> -<span class="sourceLineNo">274</span> * <p><a name="line.274"></a> -<span class="sourceLineNo">275</span> * @param startKey Starting row in range, inclusive<a name="line.275"></a> -<span class="sourceLineNo">276</span> * @param endKey Ending row in range<a name="line.276"></a> -<span class="sourceLineNo">277</span> * @param includeEndKey true if endRow is inclusive, false if exclusive<a name="line.277"></a> -<span class="sourceLineNo">278</span> * @param reload true to reload information or false to use cached information<a name="line.278"></a> -<span class="sourceLineNo">279</span> * @return A pair of list of start keys and list of HRegionLocations that<a name="line.279"></a> -<span class="sourceLineNo">280</span> * contain the specified range<a name="line.280"></a> -<span class="sourceLineNo">281</span> * @throws IOException if a remote or network exception occurs<a name="line.281"></a> -<span class="sourceLineNo">282</span> */<a name="line.282"></a> -<span class="sourceLineNo">283</span> private Pair<List<byte[]>, List<HRegionLocation>> getKeysAndRegionsInRange(<a name="line.283"></a> -<span class="sourceLineNo">284</span> final byte[] startKey, final byte[] endKey, final boolean includeEndKey,<a name="line.284"></a> -<span class="sourceLineNo">285</span> final boolean reload) throws IOException {<a name="line.285"></a> -<span class="sourceLineNo">286</span> final boolean endKeyIsEndOfTable = Bytes.equals(endKey,HConstants.EMPTY_END_ROW);<a name="line.286"></a> -<span class="sourceLineNo">287</span> if ((Bytes.compareTo(startKey, endKey) > 0) && !endKeyIsEndOfTable) {<a name="line.287"></a> -<span class="sourceLineNo">288</span> throw new IllegalArgumentException(<a name="line.288"></a> -<span class="sourceLineNo">289</span> "Invalid range: " + Bytes.toStringBinary(startKey) +<a name="line.289"></a> -<span class="sourceLineNo">290</span> " > " + Bytes.toStringBinary(endKey));<a name="line.290"></a> -<span class="sourceLineNo">291</span> }<a name="line.291"></a> -<span class="sourceLineNo">292</span> List<byte[]> keysInRange = new ArrayList<>();<a name="line.292"></a> -<span class="sourceLineNo">293</span> List<HRegionLocation> regionsInRange = new ArrayList<>();<a name="line.293"></a> -<span class="sourceLineNo">294</span> byte[] currentKey = startKey;<a name="line.294"></a> -<span class="sourceLineNo">295</span> do {<a name="line.295"></a> -<span class="sourceLineNo">296</span> HRegionLocation regionLocation = getRegionLocator().getRegionLocation(currentKey, reload);<a name="line.296"></a> -<span class="sourceLineNo">297</span> keysInRange.add(currentKey);<a name="line.297"></a> -<span class="sourceLineNo">298</span> regionsInRange.add(regionLocation);<a name="line.298"></a> -<span class="sourceLineNo">299</span> currentKey = regionLocation.getRegionInfo().getEndKey();<a name="line.299"></a> -<span class="sourceLineNo">300</span> } while (!Bytes.equals(currentKey, HConstants.EMPTY_END_ROW)<a name="line.300"></a> -<span class="sourceLineNo">301</span> && (endKeyIsEndOfTable || Bytes.compareTo(currentKey, endKey) < 0<a name="line.301"></a> -<span class="sourceLineNo">302</span> || (includeEndKey && Bytes.compareTo(currentKey, endKey) == 0)));<a name="line.302"></a> -<span class="sourceLineNo">303</span> return new Pair<>(keysInRange, regionsInRange);<a 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class="sourceLineNo">257</span> * @return A pair of list of start keys and list of HRegionLocations that<a name="line.257"></a> +<span class="sourceLineNo">258</span> * contain the specified range<a name="line.258"></a> +<span class="sourceLineNo">259</span> * @throws IOException if a remote or network exception occurs<a name="line.259"></a> +<span class="sourceLineNo">260</span> */<a name="line.260"></a> +<span class="sourceLineNo">261</span> private Pair<List<byte[]>, List<HRegionLocation>> getKeysAndRegionsInRange(<a name="line.261"></a> +<span class="sourceLineNo">262</span> final byte[] startKey, final byte[] endKey, final boolean includeEndKey)<a name="line.262"></a> +<span class="sourceLineNo">263</span> throws IOException {<a name="line.263"></a> +<span class="sourceLineNo">264</span> return getKeysAndRegionsInRange(startKey, endKey, includeEndKey, false);<a name="line.264"></a> +<span class="sourceLineNo">265</span> }<a name="line.265"></a> +<span class="sourceLineNo">266</span><a name="line.266"></a> +<span class="sourceLineNo">267</span> /**<a name="line.267"></a> +<span class="sourceLineNo">268</span> * Get the corresponding start keys and regions for an arbitrary range of<a name="line.268"></a> +<span class="sourceLineNo">269</span> * keys.<a name="line.269"></a> +<span class="sourceLineNo">270</span> * <p><a name="line.270"></a> +<span class="sourceLineNo">271</span> * @param startKey Starting row in range, inclusive<a name="line.271"></a> +<span class="sourceLineNo">272</span> * @param endKey Ending row in range<a name="line.272"></a> +<span class="sourceLineNo">273</span> * @param includeEndKey true if endRow is inclusive, false if exclusive<a name="line.273"></a> +<span class="sourceLineNo">274</span> * @param reload true to reload information or false to use cached information<a name="line.274"></a> +<span class="sourceLineNo">275</span> * @return A pair of list of start keys and list of HRegionLocations that<a 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new IllegalArgumentException(<a name="line.284"></a> +<span class="sourceLineNo">285</span> "Invalid range: " + Bytes.toStringBinary(startKey) +<a name="line.285"></a> +<span class="sourceLineNo">286</span> " > " + Bytes.toStringBinary(endKey));<a name="line.286"></a> +<span class="sourceLineNo">287</span> }<a name="line.287"></a> +<span class="sourceLineNo">288</span> List<byte[]> keysInRange = new ArrayList<>();<a name="line.288"></a> +<span class="sourceLineNo">289</span> List<HRegionLocation> regionsInRange = new ArrayList<>();<a name="line.289"></a> +<span class="sourceLineNo">290</span> byte[] currentKey = startKey;<a name="line.290"></a> +<span class="sourceLineNo">291</span> do {<a name="line.291"></a> +<span class="sourceLineNo">292</span> HRegionLocation regionLocation = getRegionLocator().getRegionLocation(currentKey, reload);<a name="line.292"></a> +<span class="sourceLineNo">293</span> keysInRange.add(currentKey);<a name="line.293"></a> +<span class="sourceLineNo">294</span> regionsInRange.add(regionLocation);<a name="line.294"></a> +<span class="sourceLineNo">295</span> currentKey = regionLocation.getRegionInfo().getEndKey();<a name="line.295"></a> +<span class="sourceLineNo">296</span> } while (!Bytes.equals(currentKey, HConstants.EMPTY_END_ROW)<a name="line.296"></a> +<span class="sourceLineNo">297</span> && (endKeyIsEndOfTable || Bytes.compareTo(currentKey, endKey) < 0<a name="line.297"></a> +<span class="sourceLineNo">298</span> || (includeEndKey && Bytes.compareTo(currentKey, endKey) == 0)));<a name="line.298"></a> +<span class="sourceLineNo">299</span> return new Pair<>(keysInRange, regionsInRange);<a name="line.299"></a> +<span class="sourceLineNo">300</span> }<a name="line.300"></a> +<span class="sourceLineNo">301</span><a name="line.301"></a> +<span class="sourceLineNo">302</span> /**<a name="line.302"></a> +<span class="sourceLineNo">303</span> * The underlying {@link HTable} must not be closed.<a name="line.303"></a> +<span class="sourceLineNo">304</span> * {@link Table#getScanner(Scan)} has other usage details.<a name="line.304"></a> +<span class="sourceLineNo">305</span> */<a name="line.305"></a> +<span class="sourceLineNo">306</span> @Override<a name="line.306"></a> +<span class="sourceLineNo">307</span> public ResultScanner getScanner(Scan scan) throws IOException {<a name="line.307"></a> +<span class="sourceLineNo">308</span> if (scan.getCaching() <= 0) {<a name="line.308"></a> +<span class="sourceLineNo">309</span> scan.setCaching(scannerCaching);<a name="line.309"></a> +<span class="sourceLineNo">310</span> }<a name="line.310"></a> +<span class="sourceLineNo">311</span> if (scan.getMaxResultSize() <= 0) {<a name="line.311"></a> +<span class="sourceLineNo">312</span> scan.setMaxResultSize(scannerMaxResultSize);<a name="line.312"></a> +<span class="sourceLineNo">313</span> }<a name="line.313"></a> +<span class="sourceLineNo">314</span> if (scan.getMvccReadPoint() > 0) {<a 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