http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f391bcef/apidocs/src-html/org/apache/hadoop/hbase/client/Scan.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/client/Scan.html b/apidocs/src-html/org/apache/hadoop/hbase/client/Scan.html index f26f8aa..8f0943d 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/client/Scan.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/client/Scan.html @@ -284,944 +284,951 @@ <span class="sourceLineNo">276</span> this.mvccReadPoint = scan.getMvccReadPoint();<a name="line.276"></a> <span class="sourceLineNo">277</span> this.limit = scan.getLimit();<a name="line.277"></a> <span class="sourceLineNo">278</span> this.needCursorResult = scan.isNeedCursorResult();<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> * Builds a scan object with the same specs as get.<a name="line.282"></a> -<span class="sourceLineNo">283</span> * @param get get to model scan after<a name="line.283"></a> -<span class="sourceLineNo">284</span> */<a name="line.284"></a> -<span class="sourceLineNo">285</span> public Scan(Get get) {<a name="line.285"></a> -<span class="sourceLineNo">286</span> this.startRow = get.getRow();<a name="line.286"></a> -<span class="sourceLineNo">287</span> this.includeStartRow = true;<a name="line.287"></a> -<span class="sourceLineNo">288</span> this.stopRow = get.getRow();<a name="line.288"></a> -<span class="sourceLineNo">289</span> this.includeStopRow = true;<a name="line.289"></a> -<span class="sourceLineNo">290</span> this.filter = get.getFilter();<a name="line.290"></a> -<span class="sourceLineNo">291</span> this.cacheBlocks = get.getCacheBlocks();<a name="line.291"></a> -<span class="sourceLineNo">292</span> this.maxVersions = get.getMaxVersions();<a name="line.292"></a> -<span class="sourceLineNo">293</span> this.storeLimit = get.getMaxResultsPerColumnFamily();<a name="line.293"></a> -<span class="sourceLineNo">294</span> this.storeOffset = get.getRowOffsetPerColumnFamily();<a name="line.294"></a> -<span class="sourceLineNo">295</span> this.tr = get.getTimeRange();<a name="line.295"></a> -<span class="sourceLineNo">296</span> this.familyMap = get.getFamilyMap();<a name="line.296"></a> -<span class="sourceLineNo">297</span> this.asyncPrefetch = false;<a name="line.297"></a> -<span class="sourceLineNo">298</span> this.consistency = get.getConsistency();<a name="line.298"></a> -<span class="sourceLineNo">299</span> this.setIsolationLevel(get.getIsolationLevel());<a name="line.299"></a> -<span class="sourceLineNo">300</span> this.loadColumnFamiliesOnDemand = get.getLoadColumnFamiliesOnDemandValue();<a name="line.300"></a> -<span class="sourceLineNo">301</span> for (Map.Entry<String, byte[]> attr : get.getAttributesMap().entrySet()) {<a name="line.301"></a> -<span class="sourceLineNo">302</span> setAttribute(attr.getKey(), attr.getValue());<a name="line.302"></a> -<span class="sourceLineNo">303</span> }<a name="line.303"></a> -<span class="sourceLineNo">304</span> for (Map.Entry<byte[], TimeRange> entry : get.getColumnFamilyTimeRange().entrySet()) {<a name="line.304"></a> -<span class="sourceLineNo">305</span> TimeRange tr = entry.getValue();<a name="line.305"></a> -<span class="sourceLineNo">306</span> setColumnFamilyTimeRange(entry.getKey(), tr.getMin(), tr.getMax());<a name="line.306"></a> -<span class="sourceLineNo">307</span> }<a name="line.307"></a> -<span class="sourceLineNo">308</span> this.mvccReadPoint = -1L;<a name="line.308"></a> -<span class="sourceLineNo">309</span> }<a name="line.309"></a> -<span class="sourceLineNo">310</span><a name="line.310"></a> -<span class="sourceLineNo">311</span> public boolean isGetScan() {<a name="line.311"></a> -<span class="sourceLineNo">312</span> return includeStartRow && includeStopRow<a name="line.312"></a> -<span class="sourceLineNo">313</span> && ClientUtil.areScanStartRowAndStopRowEqual(this.startRow, this.stopRow);<a name="line.313"></a> -<span class="sourceLineNo">314</span> }<a name="line.314"></a> -<span class="sourceLineNo">315</span><a name="line.315"></a> -<span class="sourceLineNo">316</span> /**<a name="line.316"></a> -<span class="sourceLineNo">317</span> * Get all columns from the specified family.<a name="line.317"></a> -<span class="sourceLineNo">318</span> * <p><a name="line.318"></a> -<span class="sourceLineNo">319</span> * Overrides previous calls to addColumn for this family.<a name="line.319"></a> -<span class="sourceLineNo">320</span> * @param family family name<a name="line.320"></a> -<span class="sourceLineNo">321</span> * @return this<a name="line.321"></a> -<span class="sourceLineNo">322</span> */<a name="line.322"></a> -<span class="sourceLineNo">323</span> public Scan addFamily(byte [] family) {<a name="line.323"></a> -<span class="sourceLineNo">324</span> familyMap.remove(family);<a name="line.324"></a> -<span class="sourceLineNo">325</span> familyMap.put(family, null);<a name="line.325"></a> -<span class="sourceLineNo">326</span> return this;<a name="line.326"></a> -<span class="sourceLineNo">327</span> }<a name="line.327"></a> -<span class="sourceLineNo">328</span><a name="line.328"></a> -<span class="sourceLineNo">329</span> /**<a name="line.329"></a> -<span class="sourceLineNo">330</span> * Get the column from the specified family with the specified qualifier.<a name="line.330"></a> -<span class="sourceLineNo">331</span> * <p><a name="line.331"></a> -<span class="sourceLineNo">332</span> * Overrides previous calls to addFamily for this family.<a name="line.332"></a> -<span class="sourceLineNo">333</span> * @param family family name<a name="line.333"></a> -<span class="sourceLineNo">334</span> * @param qualifier column qualifier<a name="line.334"></a> -<span class="sourceLineNo">335</span> * @return this<a name="line.335"></a> -<span class="sourceLineNo">336</span> */<a name="line.336"></a> -<span class="sourceLineNo">337</span> public Scan addColumn(byte [] family, byte [] qualifier) {<a name="line.337"></a> -<span class="sourceLineNo">338</span> NavigableSet<byte []> set = familyMap.get(family);<a name="line.338"></a> -<span class="sourceLineNo">339</span> if(set == null) {<a name="line.339"></a> -<span class="sourceLineNo">340</span> set = new TreeSet<>(Bytes.BYTES_COMPARATOR);<a name="line.340"></a> -<span class="sourceLineNo">341</span> }<a name="line.341"></a> -<span class="sourceLineNo">342</span> if (qualifier == null) {<a name="line.342"></a> -<span class="sourceLineNo">343</span> qualifier = HConstants.EMPTY_BYTE_ARRAY;<a name="line.343"></a> -<span class="sourceLineNo">344</span> }<a name="line.344"></a> -<span class="sourceLineNo">345</span> set.add(qualifier);<a name="line.345"></a> -<span class="sourceLineNo">346</span> familyMap.put(family, set);<a name="line.346"></a> -<span class="sourceLineNo">347</span> return this;<a name="line.347"></a> -<span class="sourceLineNo">348</span> }<a name="line.348"></a> -<span class="sourceLineNo">349</span><a name="line.349"></a> -<span class="sourceLineNo">350</span> /**<a name="line.350"></a> -<span class="sourceLineNo">351</span> * Set versions of columns only within the specified timestamp range,<a name="line.351"></a> -<span class="sourceLineNo">352</span> * [minStamp, maxStamp). 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Note, default maximum<a name="line.376"></a> -<span class="sourceLineNo">377</span> * versions to return is 1. If your time range spans more than one version<a name="line.377"></a> -<span class="sourceLineNo">378</span> * and you want all versions returned, up the number of versions beyond the<a name="line.378"></a> -<span class="sourceLineNo">379</span> * defaut.<a name="line.379"></a> -<span class="sourceLineNo">380</span> * @param timestamp version timestamp<a name="line.380"></a> -<span class="sourceLineNo">381</span> * @see #setMaxVersions()<a name="line.381"></a> -<span class="sourceLineNo">382</span> * @see #setMaxVersions(int)<a name="line.382"></a> -<span class="sourceLineNo">383</span> * @return this<a name="line.383"></a> -<span class="sourceLineNo">384</span> */<a name="line.384"></a> -<span class="sourceLineNo">385</span> public Scan setTimeStamp(long timestamp)<a name="line.385"></a> -<span class="sourceLineNo">386</span> throws IOException {<a name="line.386"></a> -<span class="sourceLineNo">387</span> try {<a name="line.387"></a> -<span class="sourceLineNo">388</span> super.setTimeRange(timestamp, timestamp + 1);<a name="line.388"></a> -<span class="sourceLineNo">389</span> } catch(Exception e) {<a name="line.389"></a> -<span class="sourceLineNo">390</span> // This should never happen, unless integer overflow or something extremely wrong...<a name="line.390"></a> -<span class="sourceLineNo">391</span> LOG.error("TimeRange failed, likely caused by integer overflow. ", e);<a name="line.391"></a> -<span class="sourceLineNo">392</span> throw e;<a name="line.392"></a> -<span class="sourceLineNo">393</span> }<a name="line.393"></a> -<span class="sourceLineNo">394</span> return this;<a name="line.394"></a> -<span class="sourceLineNo">395</span> }<a name="line.395"></a> -<span class="sourceLineNo">396</span><a name="line.396"></a> -<span class="sourceLineNo">397</span> @Override<a name="line.397"></a> -<span class="sourceLineNo">398</span> public Scan setColumnFamilyTimeRange(byte[] cf, long minStamp, long maxStamp) {<a name="line.398"></a> -<span class="sourceLineNo">399</span> return (Scan) super.setColumnFamilyTimeRange(cf, minStamp, maxStamp);<a name="line.399"></a> -<span class="sourceLineNo">400</span> }<a name="line.400"></a> -<span class="sourceLineNo">401</span><a name="line.401"></a> -<span class="sourceLineNo">402</span> @Override<a name="line.402"></a> -<span class="sourceLineNo">403</span> public Scan setColumnFamilyTimeRange(byte[] cf, TimeRange tr) {<a name="line.403"></a> -<span class="sourceLineNo">404</span> return (Scan) super.setColumnFamilyTimeRange(cf, tr);<a name="line.404"></a> -<span class="sourceLineNo">405</span> }<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> * Set the start row of the scan.<a name="line.408"></a> -<span class="sourceLineNo">409</span> * <p><a name="line.409"></a> -<span class="sourceLineNo">410</span> * If the specified row does not exist, the Scanner will start from the next closest row after the<a name="line.410"></a> -<span class="sourceLineNo">411</span> * specified row.<a name="line.411"></a> -<span class="sourceLineNo">412</span> * @param startRow row to start scanner at or after<a name="line.412"></a> -<span class="sourceLineNo">413</span> * @return this<a name="line.413"></a> -<span class="sourceLineNo">414</span> * @throws IllegalArgumentException if startRow does not meet criteria for a row key (when length<a name="line.414"></a> -<span class="sourceLineNo">415</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.415"></a> -<span class="sourceLineNo">416</span> * @deprecated use {@link #withStartRow(byte[])} instead. This method may change the inclusive of<a name="line.416"></a> -<span class="sourceLineNo">417</span> * the stop row to keep compatible with the old behavior.<a name="line.417"></a> -<span class="sourceLineNo">418</span> */<a name="line.418"></a> -<span class="sourceLineNo">419</span> @Deprecated<a name="line.419"></a> -<span class="sourceLineNo">420</span> public Scan setStartRow(byte[] startRow) {<a name="line.420"></a> -<span class="sourceLineNo">421</span> withStartRow(startRow);<a name="line.421"></a> -<span class="sourceLineNo">422</span> if (ClientUtil.areScanStartRowAndStopRowEqual(this.startRow, this.stopRow)) {<a name="line.422"></a> -<span class="sourceLineNo">423</span> // for keeping the old behavior that a scan with the same start and stop row is a get scan.<a name="line.423"></a> -<span class="sourceLineNo">424</span> this.includeStopRow = true;<a name="line.424"></a> -<span class="sourceLineNo">425</span> }<a name="line.425"></a> -<span class="sourceLineNo">426</span> return this;<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> * Set the start row of the scan.<a name="line.430"></a> -<span class="sourceLineNo">431</span> * <p><a name="line.431"></a> -<span class="sourceLineNo">432</span> * If the specified row does not exist, the Scanner will start from the next closest row after the<a name="line.432"></a> -<span class="sourceLineNo">433</span> * specified row.<a name="line.433"></a> -<span class="sourceLineNo">434</span> * @param startRow row to start scanner at or after<a name="line.434"></a> -<span class="sourceLineNo">435</span> * @return this<a name="line.435"></a> -<span class="sourceLineNo">436</span> * @throws IllegalArgumentException if startRow does not meet criteria for a row key (when length<a name="line.436"></a> -<span class="sourceLineNo">437</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.437"></a> -<span class="sourceLineNo">438</span> */<a name="line.438"></a> -<span class="sourceLineNo">439</span> public Scan withStartRow(byte[] startRow) {<a name="line.439"></a> -<span class="sourceLineNo">440</span> return withStartRow(startRow, true);<a name="line.440"></a> -<span class="sourceLineNo">441</span> }<a name="line.441"></a> -<span class="sourceLineNo">442</span><a name="line.442"></a> -<span class="sourceLineNo">443</span> /**<a name="line.443"></a> -<span class="sourceLineNo">444</span> * Set the start row of the scan.<a name="line.444"></a> -<span class="sourceLineNo">445</span> * <p><a name="line.445"></a> -<span class="sourceLineNo">446</span> * If the specified row does not exist, or the {@code inclusive} is {@code false}, the Scanner<a name="line.446"></a> -<span class="sourceLineNo">447</span> * will start from the next closest row after the specified row.<a 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length must be less than or equal to "<a name="line.456"></a> -<span class="sourceLineNo">457</span> + HConstants.MAX_ROW_LENGTH + " to meet the criteria" + " for a row key.");<a name="line.457"></a> -<span class="sourceLineNo">458</span> }<a name="line.458"></a> -<span class="sourceLineNo">459</span> this.startRow = startRow;<a name="line.459"></a> -<span class="sourceLineNo">460</span> this.includeStartRow = inclusive;<a name="line.460"></a> -<span class="sourceLineNo">461</span> return this;<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> /**<a name="line.464"></a> -<span class="sourceLineNo">465</span> * Set the stop row of the scan.<a name="line.465"></a> -<span class="sourceLineNo">466</span> * <p><a name="line.466"></a> -<span class="sourceLineNo">467</span> * The scan will include rows that are lexicographically less than the provided stopRow.<a name="line.467"></a> +<span class="sourceLineNo">279</span> setPriority(scan.getPriority());<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> * Builds a scan object with the same specs as get.<a name="line.283"></a> +<span class="sourceLineNo">284</span> * @param get get to model scan after<a name="line.284"></a> +<span class="sourceLineNo">285</span> */<a name="line.285"></a> +<span class="sourceLineNo">286</span> public Scan(Get get) {<a name="line.286"></a> +<span class="sourceLineNo">287</span> this.startRow = get.getRow();<a name="line.287"></a> +<span class="sourceLineNo">288</span> this.includeStartRow = true;<a name="line.288"></a> +<span class="sourceLineNo">289</span> this.stopRow = get.getRow();<a name="line.289"></a> +<span class="sourceLineNo">290</span> this.includeStopRow = true;<a name="line.290"></a> +<span class="sourceLineNo">291</span> this.filter = get.getFilter();<a name="line.291"></a> +<span class="sourceLineNo">292</span> this.cacheBlocks = get.getCacheBlocks();<a name="line.292"></a> +<span class="sourceLineNo">293</span> this.maxVersions = get.getMaxVersions();<a name="line.293"></a> +<span class="sourceLineNo">294</span> this.storeLimit = get.getMaxResultsPerColumnFamily();<a name="line.294"></a> +<span class="sourceLineNo">295</span> this.storeOffset = get.getRowOffsetPerColumnFamily();<a name="line.295"></a> +<span class="sourceLineNo">296</span> this.tr = get.getTimeRange();<a name="line.296"></a> +<span class="sourceLineNo">297</span> this.familyMap = get.getFamilyMap();<a name="line.297"></a> +<span class="sourceLineNo">298</span> this.asyncPrefetch = false;<a name="line.298"></a> +<span class="sourceLineNo">299</span> this.consistency = get.getConsistency();<a name="line.299"></a> +<span class="sourceLineNo">300</span> this.setIsolationLevel(get.getIsolationLevel());<a name="line.300"></a> +<span class="sourceLineNo">301</span> this.loadColumnFamiliesOnDemand = get.getLoadColumnFamiliesOnDemandValue();<a name="line.301"></a> +<span class="sourceLineNo">302</span> for (Map.Entry<String, byte[]> attr : get.getAttributesMap().entrySet()) {<a name="line.302"></a> +<span class="sourceLineNo">303</span> setAttribute(attr.getKey(), attr.getValue());<a name="line.303"></a> +<span class="sourceLineNo">304</span> }<a name="line.304"></a> +<span class="sourceLineNo">305</span> for (Map.Entry<byte[], TimeRange> entry : get.getColumnFamilyTimeRange().entrySet()) {<a name="line.305"></a> +<span class="sourceLineNo">306</span> TimeRange tr = entry.getValue();<a name="line.306"></a> +<span class="sourceLineNo">307</span> setColumnFamilyTimeRange(entry.getKey(), tr.getMin(), tr.getMax());<a name="line.307"></a> +<span class="sourceLineNo">308</span> }<a name="line.308"></a> +<span class="sourceLineNo">309</span> this.mvccReadPoint = -1L;<a name="line.309"></a> +<span class="sourceLineNo">310</span> setPriority(get.getPriority());<a name="line.310"></a> +<span class="sourceLineNo">311</span> }<a name="line.311"></a> +<span class="sourceLineNo">312</span><a name="line.312"></a> +<span class="sourceLineNo">313</span> public boolean isGetScan() {<a name="line.313"></a> +<span class="sourceLineNo">314</span> return includeStartRow && includeStopRow<a name="line.314"></a> +<span class="sourceLineNo">315</span> && ClientUtil.areScanStartRowAndStopRowEqual(this.startRow, this.stopRow);<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> * Get all columns from the specified family.<a name="line.319"></a> +<span class="sourceLineNo">320</span> * <p><a name="line.320"></a> +<span class="sourceLineNo">321</span> * Overrides previous calls to addColumn for this family.<a name="line.321"></a> +<span class="sourceLineNo">322</span> * @param family family name<a name="line.322"></a> +<span class="sourceLineNo">323</span> * @return this<a name="line.323"></a> +<span class="sourceLineNo">324</span> */<a name="line.324"></a> +<span class="sourceLineNo">325</span> public Scan addFamily(byte [] family) {<a name="line.325"></a> +<span class="sourceLineNo">326</span> familyMap.remove(family);<a name="line.326"></a> +<span class="sourceLineNo">327</span> familyMap.put(family, null);<a name="line.327"></a> +<span class="sourceLineNo">328</span> return this;<a name="line.328"></a> +<span class="sourceLineNo">329</span> }<a name="line.329"></a> +<span class="sourceLineNo">330</span><a name="line.330"></a> +<span class="sourceLineNo">331</span> /**<a name="line.331"></a> +<span class="sourceLineNo">332</span> * Get the column from the specified family with the specified qualifier.<a name="line.332"></a> +<span class="sourceLineNo">333</span> * <p><a name="line.333"></a> +<span class="sourceLineNo">334</span> * Overrides previous calls to addFamily for this family.<a name="line.334"></a> +<span class="sourceLineNo">335</span> * @param family family name<a name="line.335"></a> +<span class="sourceLineNo">336</span> * @param qualifier column qualifier<a name="line.336"></a> +<span class="sourceLineNo">337</span> * @return this<a name="line.337"></a> +<span class="sourceLineNo">338</span> */<a name="line.338"></a> +<span class="sourceLineNo">339</span> public Scan addColumn(byte [] family, byte [] qualifier) {<a name="line.339"></a> +<span class="sourceLineNo">340</span> NavigableSet<byte []> set = familyMap.get(family);<a name="line.340"></a> +<span class="sourceLineNo">341</span> if(set == null) {<a name="line.341"></a> +<span class="sourceLineNo">342</span> set = new TreeSet<>(Bytes.BYTES_COMPARATOR);<a name="line.342"></a> +<span class="sourceLineNo">343</span> }<a name="line.343"></a> +<span class="sourceLineNo">344</span> if (qualifier == null) {<a name="line.344"></a> +<span class="sourceLineNo">345</span> qualifier = HConstants.EMPTY_BYTE_ARRAY;<a name="line.345"></a> +<span class="sourceLineNo">346</span> }<a name="line.346"></a> +<span class="sourceLineNo">347</span> set.add(qualifier);<a name="line.347"></a> +<span class="sourceLineNo">348</span> familyMap.put(family, set);<a name="line.348"></a> +<span class="sourceLineNo">349</span> return this;<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> /**<a name="line.352"></a> +<span class="sourceLineNo">353</span> * Set versions of columns only within the specified timestamp range,<a name="line.353"></a> +<span class="sourceLineNo">354</span> * [minStamp, maxStamp). Note, default maximum versions to return is 1. If<a name="line.354"></a> +<span class="sourceLineNo">355</span> * your time range spans more than one version and you want all versions<a name="line.355"></a> +<span class="sourceLineNo">356</span> * returned, up the number of versions beyond the default.<a name="line.356"></a> +<span class="sourceLineNo">357</span> * @param minStamp minimum timestamp value, inclusive<a name="line.357"></a> +<span class="sourceLineNo">358</span> * @param maxStamp maximum timestamp value, exclusive<a name="line.358"></a> +<span class="sourceLineNo">359</span> * @see #setMaxVersions()<a name="line.359"></a> +<span class="sourceLineNo">360</span> * @see #setMaxVersions(int)<a name="line.360"></a> +<span class="sourceLineNo">361</span> * @return this<a name="line.361"></a> +<span class="sourceLineNo">362</span> */<a name="line.362"></a> +<span class="sourceLineNo">363</span> @Override<a name="line.363"></a> +<span class="sourceLineNo">364</span> public Scan setTimeRange(long minStamp, long maxStamp) throws IOException {<a name="line.364"></a> +<span class="sourceLineNo">365</span> return (Scan) super.setTimeRange(minStamp, maxStamp);<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> * Set versions of columns only within the specified timestamp range,<a name="line.369"></a> +<span class="sourceLineNo">370</span> * @param tr Input TimeRange<a name="line.370"></a> +<span class="sourceLineNo">371</span> * @return this for invocation chaining<a name="line.371"></a> +<span class="sourceLineNo">372</span> */<a name="line.372"></a> +<span class="sourceLineNo">373</span> public Scan setTimeRange(TimeRange tr) {<a name="line.373"></a> +<span class="sourceLineNo">374</span> return (Scan) super.setTimeRange(tr);<a name="line.374"></a> +<span class="sourceLineNo">375</span> }<a name="line.375"></a> +<span class="sourceLineNo">376</span><a name="line.376"></a> +<span class="sourceLineNo">377</span> /**<a name="line.377"></a> +<span class="sourceLineNo">378</span> * Get versions of columns with the specified timestamp. Note, default maximum<a name="line.378"></a> +<span class="sourceLineNo">379</span> * versions to return is 1. If your time range spans more than one version<a name="line.379"></a> +<span class="sourceLineNo">380</span> * and you want all versions returned, up the number of versions beyond the<a name="line.380"></a> +<span class="sourceLineNo">381</span> * defaut.<a name="line.381"></a> +<span class="sourceLineNo">382</span> * @param timestamp version timestamp<a name="line.382"></a> +<span class="sourceLineNo">383</span> * @see #setMaxVersions()<a name="line.383"></a> +<span class="sourceLineNo">384</span> * @see #setMaxVersions(int)<a name="line.384"></a> +<span class="sourceLineNo">385</span> * @return this<a name="line.385"></a> +<span class="sourceLineNo">386</span> */<a name="line.386"></a> +<span class="sourceLineNo">387</span> public Scan setTimeStamp(long timestamp)<a name="line.387"></a> +<span class="sourceLineNo">388</span> throws IOException {<a name="line.388"></a> +<span class="sourceLineNo">389</span> try {<a name="line.389"></a> +<span class="sourceLineNo">390</span> super.setTimeRange(timestamp, timestamp + 1);<a name="line.390"></a> +<span class="sourceLineNo">391</span> } catch(Exception e) {<a name="line.391"></a> +<span class="sourceLineNo">392</span> // This should never happen, unless integer overflow or something extremely wrong...<a name="line.392"></a> +<span class="sourceLineNo">393</span> LOG.error("TimeRange failed, likely caused by integer overflow. ", e);<a name="line.393"></a> +<span class="sourceLineNo">394</span> throw e;<a name="line.394"></a> +<span class="sourceLineNo">395</span> }<a name="line.395"></a> +<span class="sourceLineNo">396</span> return this;<a name="line.396"></a> +<span class="sourceLineNo">397</span> }<a name="line.397"></a> +<span class="sourceLineNo">398</span><a name="line.398"></a> +<span class="sourceLineNo">399</span> @Override<a name="line.399"></a> +<span class="sourceLineNo">400</span> public Scan setColumnFamilyTimeRange(byte[] cf, long minStamp, long maxStamp) {<a name="line.400"></a> +<span class="sourceLineNo">401</span> return (Scan) super.setColumnFamilyTimeRange(cf, minStamp, maxStamp);<a name="line.401"></a> +<span class="sourceLineNo">402</span> }<a name="line.402"></a> +<span class="sourceLineNo">403</span><a name="line.403"></a> +<span class="sourceLineNo">404</span> @Override<a name="line.404"></a> +<span class="sourceLineNo">405</span> public Scan setColumnFamilyTimeRange(byte[] cf, TimeRange tr) {<a name="line.405"></a> +<span class="sourceLineNo">406</span> return (Scan) super.setColumnFamilyTimeRange(cf, tr);<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> * Set the start row of the scan.<a name="line.410"></a> +<span class="sourceLineNo">411</span> * <p><a name="line.411"></a> +<span class="sourceLineNo">412</span> * If the specified row does not exist, the Scanner will start from the next closest row after the<a name="line.412"></a> +<span class="sourceLineNo">413</span> * specified row.<a name="line.413"></a> +<span class="sourceLineNo">414</span> * @param startRow row to start scanner at or after<a name="line.414"></a> +<span class="sourceLineNo">415</span> * @return this<a name="line.415"></a> +<span class="sourceLineNo">416</span> * @throws IllegalArgumentException if startRow does not meet criteria for a row key (when length<a name="line.416"></a> +<span class="sourceLineNo">417</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.417"></a> +<span class="sourceLineNo">418</span> * @deprecated use {@link #withStartRow(byte[])} instead. This method may change the inclusive of<a name="line.418"></a> +<span class="sourceLineNo">419</span> * the stop row to keep compatible with the old behavior.<a name="line.419"></a> +<span class="sourceLineNo">420</span> */<a name="line.420"></a> +<span class="sourceLineNo">421</span> @Deprecated<a name="line.421"></a> +<span class="sourceLineNo">422</span> public Scan setStartRow(byte[] startRow) {<a name="line.422"></a> +<span class="sourceLineNo">423</span> withStartRow(startRow);<a name="line.423"></a> +<span class="sourceLineNo">424</span> if (ClientUtil.areScanStartRowAndStopRowEqual(this.startRow, this.stopRow)) {<a name="line.424"></a> +<span class="sourceLineNo">425</span> // for keeping the old behavior that a scan with the same start and stop row is a get scan.<a name="line.425"></a> +<span class="sourceLineNo">426</span> this.includeStopRow = true;<a name="line.426"></a> +<span class="sourceLineNo">427</span> }<a name="line.427"></a> +<span class="sourceLineNo">428</span> return this;<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> /**<a name="line.431"></a> +<span class="sourceLineNo">432</span> * Set the start row of the scan.<a name="line.432"></a> +<span class="sourceLineNo">433</span> * <p><a name="line.433"></a> +<span class="sourceLineNo">434</span> * If the specified row does not exist, the Scanner will start from the next closest row after the<a name="line.434"></a> +<span class="sourceLineNo">435</span> * specified row.<a name="line.435"></a> +<span class="sourceLineNo">436</span> * @param startRow row to start scanner at or after<a name="line.436"></a> +<span class="sourceLineNo">437</span> * @return this<a name="line.437"></a> +<span class="sourceLineNo">438</span> * @throws IllegalArgumentException if startRow does not meet criteria for a row key (when length<a name="line.438"></a> +<span class="sourceLineNo">439</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.439"></a> +<span class="sourceLineNo">440</span> */<a name="line.440"></a> +<span class="sourceLineNo">441</span> public Scan withStartRow(byte[] startRow) {<a name="line.441"></a> +<span class="sourceLineNo">442</span> return withStartRow(startRow, true);<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> * Set the start row of the scan.<a name="line.446"></a> +<span class="sourceLineNo">447</span> * <p><a name="line.447"></a> +<span class="sourceLineNo">448</span> * If the specified row does not exist, or the {@code inclusive} is {@code false}, the Scanner<a name="line.448"></a> +<span class="sourceLineNo">449</span> * will start from the next closest row after the specified row.<a name="line.449"></a> +<span class="sourceLineNo">450</span> * @param startRow row to start scanner at or after<a name="line.450"></a> +<span class="sourceLineNo">451</span> * @param inclusive whether we should include the start row when scan<a name="line.451"></a> +<span class="sourceLineNo">452</span> * @return this<a name="line.452"></a> +<span class="sourceLineNo">453</span> * @throws IllegalArgumentException if startRow does not meet criteria for a row key (when length<a name="line.453"></a> +<span class="sourceLineNo">454</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.454"></a> +<span class="sourceLineNo">455</span> */<a name="line.455"></a> +<span class="sourceLineNo">456</span> public Scan withStartRow(byte[] startRow, boolean inclusive) {<a name="line.456"></a> +<span class="sourceLineNo">457</span> if (Bytes.len(startRow) > HConstants.MAX_ROW_LENGTH) {<a name="line.457"></a> +<span class="sourceLineNo">458</span> throw new IllegalArgumentException("startRow's length must be less than or equal to "<a name="line.458"></a> +<span class="sourceLineNo">459</span> + HConstants.MAX_ROW_LENGTH + " to meet the criteria" + " for a row key.");<a name="line.459"></a> +<span class="sourceLineNo">460</span> }<a name="line.460"></a> +<span class="sourceLineNo">461</span> this.startRow = startRow;<a name="line.461"></a> +<span class="sourceLineNo">462</span> this.includeStartRow = inclusive;<a name="line.462"></a> +<span class="sourceLineNo">463</span> return this;<a name="line.463"></a> +<span class="sourceLineNo">464</span> }<a name="line.464"></a> +<span class="sourceLineNo">465</span><a name="line.465"></a> +<span class="sourceLineNo">466</span> /**<a name="line.466"></a> +<span class="sourceLineNo">467</span> * Set the stop row of the scan.<a name="line.467"></a> <span class="sourceLineNo">468</span> * <p><a name="line.468"></a> -<span class="sourceLineNo">469</span> * <b>Note:</b> When doing a filter for a rowKey <u>Prefix</u> use<a name="line.469"></a> -<span class="sourceLineNo">470</span> * {@link #setRowPrefixFilter(byte[])}. The 'trailing 0' will not yield the desired result.<a name="line.470"></a> -<span class="sourceLineNo">471</span> * </p><a name="line.471"></a> -<span class="sourceLineNo">472</span> * @param stopRow row to end at (exclusive)<a name="line.472"></a> -<span class="sourceLineNo">473</span> * @return this<a name="line.473"></a> -<span class="sourceLineNo">474</span> * @throws IllegalArgumentException if stopRow does not meet criteria for a row key (when length<a name="line.474"></a> -<span class="sourceLineNo">475</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.475"></a> -<span class="sourceLineNo">476</span> * @deprecated use {@link #withStartRow(byte[])} instead. This method may change the inclusive of<a name="line.476"></a> -<span class="sourceLineNo">477</span> * the stop row to keep compatible with the old behavior.<a name="line.477"></a> -<span class="sourceLineNo">478</span> */<a name="line.478"></a> -<span class="sourceLineNo">479</span> @Deprecated<a name="line.479"></a> -<span class="sourceLineNo">480</span> public Scan setStopRow(byte[] stopRow) {<a name="line.480"></a> -<span class="sourceLineNo">481</span> withStopRow(stopRow);<a name="line.481"></a> -<span class="sourceLineNo">482</span> if (ClientUtil.areScanStartRowAndStopRowEqual(this.startRow, this.stopRow)) {<a name="line.482"></a> -<span class="sourceLineNo">483</span> // for keeping the old behavior that a scan with the same start and stop row is a get scan.<a name="line.483"></a> -<span class="sourceLineNo">484</span> this.includeStopRow = true;<a name="line.484"></a> -<span class="sourceLineNo">485</span> }<a name="line.485"></a> -<span class="sourceLineNo">486</span> return 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> /**<a name="line.489"></a> -<span class="sourceLineNo">490</span> * Set the stop row of the scan.<a name="line.490"></a> -<span class="sourceLineNo">491</span> * <p><a name="line.491"></a> -<span class="sourceLineNo">492</span> * The scan will include rows that are lexicographically less than the provided stopRow.<a name="line.492"></a> +<span class="sourceLineNo">469</span> * The scan will include rows that are lexicographically less than the provided stopRow.<a name="line.469"></a> +<span class="sourceLineNo">470</span> * <p><a name="line.470"></a> +<span class="sourceLineNo">471</span> * <b>Note:</b> When doing a filter for a rowKey <u>Prefix</u> use<a name="line.471"></a> +<span class="sourceLineNo">472</span> * {@link #setRowPrefixFilter(byte[])}. The 'trailing 0' will not yield the desired result.<a name="line.472"></a> +<span class="sourceLineNo">473</span> * </p><a name="line.473"></a> +<span class="sourceLineNo">474</span> * @param stopRow row to end at (exclusive)<a name="line.474"></a> +<span class="sourceLineNo">475</span> * @return this<a name="line.475"></a> +<span class="sourceLineNo">476</span> * @throws IllegalArgumentException if stopRow does not meet criteria for a row key (when length<a name="line.476"></a> +<span class="sourceLineNo">477</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.477"></a> +<span class="sourceLineNo">478</span> * @deprecated use {@link #withStartRow(byte[])} instead. This method may change the inclusive of<a name="line.478"></a> +<span class="sourceLineNo">479</span> * the stop row to keep compatible with the old behavior.<a name="line.479"></a> +<span class="sourceLineNo">480</span> */<a name="line.480"></a> +<span class="sourceLineNo">481</span> @Deprecated<a name="line.481"></a> +<span class="sourceLineNo">482</span> public Scan setStopRow(byte[] stopRow) {<a name="line.482"></a> +<span class="sourceLineNo">483</span> withStopRow(stopRow);<a name="line.483"></a> +<span class="sourceLineNo">484</span> if (ClientUtil.areScanStartRowAndStopRowEqual(this.startRow, this.stopRow)) {<a name="line.484"></a> +<span class="sourceLineNo">485</span> // for keeping the old behavior that a scan with the same start and stop row is a get scan.<a name="line.485"></a> +<span class="sourceLineNo">486</span> this.includeStopRow = true;<a name="line.486"></a> +<span class="sourceLineNo">487</span> }<a name="line.487"></a> +<span class="sourceLineNo">488</span> return this;<a name="line.488"></a> +<span class="sourceLineNo">489</span> }<a name="line.489"></a> +<span class="sourceLineNo">490</span><a name="line.490"></a> +<span class="sourceLineNo">491</span> /**<a name="line.491"></a> +<span class="sourceLineNo">492</span> * Set the stop row of the scan.<a name="line.492"></a> <span class="sourceLineNo">493</span> * <p><a name="line.493"></a> -<span class="sourceLineNo">494</span> * <b>Note:</b> When doing a filter for a rowKey <u>Prefix</u> use<a name="line.494"></a> -<span class="sourceLineNo">495</span> * {@link #setRowPrefixFilter(byte[])}. The 'trailing 0' will not yield the desired result.<a name="line.495"></a> -<span class="sourceLineNo">496</span> * </p><a name="line.496"></a> -<span class="sourceLineNo">497</span> * @param stopRow row to end at (exclusive)<a name="line.497"></a> -<span class="sourceLineNo">498</span> * @return this<a name="line.498"></a> -<span class="sourceLineNo">499</span> * @throws IllegalArgumentException if stopRow does not meet criteria for a row key (when length<a name="line.499"></a> -<span class="sourceLineNo">500</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.500"></a> -<span class="sourceLineNo">501</span> */<a name="line.501"></a> -<span class="sourceLineNo">502</span> public Scan withStopRow(byte[] stopRow) {<a name="line.502"></a> -<span class="sourceLineNo">503</span> return withStopRow(stopRow, false);<a name="line.503"></a> -<span class="sourceLineNo">504</span> }<a name="line.504"></a> -<span class="sourceLineNo">505</span><a name="line.505"></a> -<span class="sourceLineNo">506</span> /**<a name="line.506"></a> -<span class="sourceLineNo">507</span> * Set the stop row of the scan.<a name="line.507"></a> -<span class="sourceLineNo">508</span> * <p><a name="line.508"></a> -<span class="sourceLineNo">509</span> * The scan will include rows that are lexicographically less than (or equal to if<a name="line.509"></a> -<span class="sourceLineNo">510</span> * {@code inclusive} is {@code true}) the provided stopRow.<a name="line.510"></a> -<span class="sourceLineNo">511</span> * @param stopRow row to end at<a name="line.511"></a> -<span class="sourceLineNo">512</span> * @param inclusive whether we should include the stop row when scan<a name="line.512"></a> -<span class="sourceLineNo">513</span> * @return this<a name="line.513"></a> -<span class="sourceLineNo">514</span> * @throws IllegalArgumentException if stopRow does not meet criteria for a row key (when length<a name="line.514"></a> -<span class="sourceLineNo">515</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.515"></a> -<span class="sourceLineNo">516</span> */<a name="line.516"></a> -<span class="sourceLineNo">517</span> public Scan withStopRow(byte[] stopRow, boolean inclusive) {<a name="line.517"></a> -<span class="sourceLineNo">518</span> if (Bytes.len(stopRow) > HConstants.MAX_ROW_LENGTH) {<a name="line.518"></a> -<span class="sourceLineNo">519</span> throw new IllegalArgumentException("stopRow's length must be less than or equal to "<a name="line.519"></a> -<span class="sourceLineNo">520</span> + HConstants.MAX_ROW_LENGTH + " to meet the criteria" + " for a row key.");<a name="line.520"></a> -<span class="sourceLineNo">521</span> }<a name="line.521"></a> -<span class="sourceLineNo">522</span> this.stopRow = stopRow;<a name="line.522"></a> -<span class="sourceLineNo">523</span> this.includeStopRow = inclusive;<a name="line.523"></a> -<span class="sourceLineNo">524</span> return this;<a name="line.524"></a> -<span class="sourceLineNo">525</span> }<a name="line.525"></a> -<span class="sourceLineNo">526</span><a name="line.526"></a> -<span class="sourceLineNo">527</span> /**<a name="line.527"></a> -<span class="sourceLineNo">528</span> * <p>Set a filter (using stopRow and startRow) so the result set only contains rows where the<a name="line.528"></a> -<span class="sourceLineNo">529</span> * rowKey starts with the specified prefix.</p><a name="line.529"></a> -<span class="sourceLineNo">530</span> * <p>This is a utility method that converts the desired rowPrefix into the appropriate values<a name="line.530"></a> -<span class="sourceLineNo">531</span> * for the startRow and stopRow to achieve the desired result.</p><a name="line.531"></a> -<span class="sourceLineNo">532</span> * <p>This can safely be used in combination with setFilter.</p><a name="line.532"></a> -<span class="sourceLineNo">533</span> * <p><b>NOTE: Doing a {@link #setStartRow(byte[])} and/or {@link #setStopRow(byte[])}<a name="line.533"></a> -<span class="sourceLineNo">534</span> * after this method will yield undefined results.</b></p><a name="line.534"></a> -<span class="sourceLineNo">535</span> * @param rowPrefix the prefix all rows must start with. (Set <i>null</i> to remove the filter.)<a name="line.535"></a> -<span class="sourceLineNo">536</span> * @return this<a name="line.536"></a> -<span class="sourceLineNo">537</span> */<a name="line.537"></a> -<span class="sourceLineNo">538</span> public Scan setRowPrefixFilter(byte[] rowPrefix) {<a name="line.538"></a> -<span class="sourceLineNo">539</span> if (rowPrefix == null) {<a name="line.539"></a> -<span class="sourceLineNo">540</span> setStartRow(HConstants.EMPTY_START_ROW);<a name="line.540"></a> -<span class="sourceLineNo">541</span> setStopRow(HConstants.EMPTY_END_ROW);<a name="line.541"></a> -<span class="sourceLineNo">542</span> } else {<a name="line.542"></a> -<span class="sourceLineNo">543</span> this.setStartRow(rowPrefix);<a name="line.543"></a> -<span class="sourceLineNo">544</span> this.setStopRow(calculateTheClosestNextRowKeyForPrefix(rowPrefix));<a name="line.544"></a> -<span class="sourceLineNo">545</span> }<a name="line.545"></a> -<span class="sourceLineNo">546</span> return this;<a name="line.546"></a> -<span class="sourceLineNo">547</span> }<a name="line.547"></a> -<span class="sourceLineNo">548</span><a name="line.548"></a> -<span class="sourceLineNo">549</span> /**<a name="line.549"></a> -<span class="sourceLineNo">550</span> * <p>When scanning for a prefix the scan should stop immediately after the the last row that<a name="line.550"></a> -<span class="sourceLineNo">551</span> * has the specified prefix. This method calculates the closest next rowKey immediately following<a name="line.551"></a> -<span class="sourceLineNo">552</span> * the given rowKeyPrefix.</p><a name="line.552"></a> -<span class="sourceLineNo">553</span> * <p><b>IMPORTANT: This converts a rowKey<u>Prefix</u> into a rowKey</b>.</p><a name="line.553"></a> -<span class="sourceLineNo">554</span> * <p>If the prefix is an 'ASCII' string put into a byte[] then this is easy because you can<a name="line.554"></a> -<span class="sourceLineNo">555</span> * simply increment the last byte of the array.<a name="line.555"></a> -<span class="sourceLineNo">556</span> * But if your application uses real binary rowids you may run into the scenario that your<a name="line.556"></a> -<span class="sourceLineNo">557</span> * prefix is something like:</p><a name="line.557"></a> -<span class="sourceLineNo">558</span> * &nbsp;&nbsp;&nbsp;<b>{ 0x12, 0x23, 0xFF, 0xFF }</b><br/><a name="line.558"></a> -<span class="sourceLineNo">559</span> * Then this stopRow needs to be fed into the actual scan<br/><a name="line.559"></a> -<span class="sourceLineNo">560</span> * &nbsp;&nbsp;&nbsp;<b>{ 0x12, 0x24 }</b> (Notice that it is shorter now)<br/><a name="line.560"></a> -<span class="sourceLineNo">561</span> * This method calculates the correct stop row value for this usecase.<a name="line.561"></a> -<span class="sourceLineNo">562</span> *<a name="line.562"></a> -<span class="sourceLineNo">563</span> * @param rowKeyPrefix the rowKey<u>Prefix</u>.<a name="line.563"></a> -<span class="sourceLineNo">564</span> * @return the closest next rowKey immediately following the given rowKeyPrefix.<a name="line.564"></a> -<span class="sourceLineNo">565</span> */<a name="line.565"></a> -<span class="sourceLineNo">566</span> private byte[] calculateTheClosestNextRowKeyForPrefix(byte[] rowKeyPrefix) {<a name="line.566"></a> -<span class="sourceLineNo">567</span> // Essentially we are treating it like an 'unsigned very very long' and doing +1 manually.<a name="line.567"></a> -<span class="sourceLineNo">568</span> // Search for the place where the trailing 0xFFs start<a name="line.568"></a> -<span class="sourceLineNo">569</span> int offset = rowKeyPrefix.length;<a name="line.569"></a> -<span class="sourceLineNo">570</span> while (offset > 0) {<a name="line.570"></a> -<span class="sourceLineNo">571</span> if (rowKeyPrefix[offset - 1] != (byte) 0xFF) {<a name="line.571"></a> -<span class="sourceLineNo">572</span> break;<a name="line.572"></a> -<span class="sourceLineNo">573</span> }<a name="line.573"></a> -<span class="sourceLineNo">574</span> offset--;<a name="line.574"></a> -<span class="sourceLineNo">575</span> }<a name="line.575"></a> -<span class="sourceLineNo">576</span><a name="line.576"></a> -<span class="sourceLineNo">577</span> if (offset == 0) {<a name="line.577"></a> -<span class="sourceLineNo">578</span> // We got an 0xFFFF... (only FFs) stopRow value which is<a name="line.578"></a> -<span class="sourceLineNo">579</span> // the last possible prefix before the end of the table.<a name="line.579"></a> -<span class="sourceLineNo">580</span> // So set it to stop at the 'end of the table'<a name="line.580"></a> -<span class="sourceLineNo">581</span> return HConstants.EMPTY_END_ROW;<a name="line.581"></a> -<span class="sourceLineNo">582</span> }<a name="line.582"></a> -<span class="sourceLineNo">583</span><a name="line.583"></a> -<span class="sourceLineNo">584</span> // Copy the right length of the original<a name="line.584"></a> -<span class="sourceLineNo">585</span> byte[] newStopRow = Arrays.copyOfRange(rowKeyPrefix, 0, offset);<a name="line.585"></a> -<span class="sourceLineNo">586</span> // And increment the last one<a name="line.586"></a> -<span class="sourceLineNo">587</span> newStopRow[newStopRow.length - 1]++;<a name="line.587"></a> -<span class="sourceLineNo">588</span> return newStopRow;<a name="line.588"></a> -<span class="sourceLineNo">589</span> }<a name="line.589"></a> -<span class="sourceLineNo">590</span><a name="line.590"></a> -<span class="sourceLineNo">591</span> /**<a name="line.591"></a> -<span class="sourceLineNo">592</span> * Get all available versions.<a name="line.592"></a> -<span class="sourceLineNo">593</span> * @return this<a name="line.593"></a> -<span class="sourceLineNo">594</span> */<a name="line.594"></a> -<span class="sourceLineNo">595</span> public Scan setMaxVersions() {<a name="line.595"></a> -<span class="sourceLineNo">596</span> this.maxVersions = Integer.MAX_VALUE;<a name="line.596"></a> -<span class="sourceLineNo">597</span> return this;<a name="line.597"></a> -<span class="sourceLineNo">598</span> }<a name="line.598"></a> -<span class="sourceLineNo">599</span><a name="line.599"></a> -<span class="sourceLineNo">600</span> /**<a name="line.600"></a> -<span class="sourceLineNo">601</span> * Get up to the specified number of versions of each column.<a name="line.601"></a> -<span class="sourceLineNo">602</span> * @param maxVersions maximum versions for each column<a name="line.602"></a> -<span class="sourceLineNo">603</span> * @return this<a name="line.603"></a> -<span class="sourceLineNo">604</span> */<a name="line.604"></a> -<span class="sourceLineNo">605</span> public Scan setMaxVersions(int maxVersions) {<a name="line.605"></a> -<span class="sourceLineNo">606</span> this.maxVersions = maxVersions;<a name="line.606"></a> -<span class="sourceLineNo">607</span> return this;<a name="line.607"></a> -<span class="sourceLineNo">608</span> }<a name="line.608"></a> -<span class="sourceLineNo">609</span><a name="line.609"></a> -<span class="sourceLineNo">610</span> /**<a name="line.610"></a> -<span class="sourceLineNo">611</span> * Set the maximum number of cells to return for each call to next(). Callers should be aware<a name="line.611"></a> -<span class="sourceLineNo">612</span> * that this is not equivalent to calling {@link #setAllowPartialResults(boolean)}.<a name="line.612"></a> -<span class="sourceLineNo">613</span> * If you don't allow partial results, the number of cells in each Result must equal to your<a name="line.613"></a> -<span class="sourceLineNo">614</span> * batch setting unless it is the last Result for current row. So this method is helpful in paging<a name="line.614"></a> -<span class="sourceLineNo">615</span> * queries. If you just want to prevent OOM at client, use setAllowPartialResults(true) is better.<a name="line.615"></a> -<span class="sourceLineNo">616</span> * @param batch the maximum number of values<a name="line.616"></a> -<span class="sourceLineNo">617</span> * @see Result#mayHaveMoreCellsInRow()<a name="line.617"></a> -<span class="sourceLineNo">618</span> */<a name="line.618"></a> -<span class="sourceLineNo">619</span> public Scan setBatch(int batch) {<a name="line.619"></a> -<span class="sourceLineNo">620</span> if (this.hasFilter() && this.filter.hasFilterRow()) {<a name="line.620"></a> -<span class="sourceLineNo">621</span> throw new IncompatibleFilterException(<a name="line.621"></a> -<span class="sourceLineNo">622</span> "Cannot set batch on a scan using a filter" +<a name="line.622"></a> -<span class="sourceLineNo">623</span> " that returns true for filter.hasFilterRow");<a name="line.623"></a> -<span class="sourceLineNo">624</span> }<a name="line.624"></a> -<span class="sourceLineNo">625</span> this.batch = batch;<a name="line.625"></a> -<span class="sourceLineNo">626</span> return this;<a name="line.626"></a> -<span class="sourceLineNo">627</span> }<a name="line.627"></a> -<span class="sourceLineNo">628</span><a name="line.628"></a> -<span class="sourceLineNo">629</span> /**<a name="line.629"></a> -<span class="sourceLineNo">630</span> * Set the maximum number of values to return per row per Column Family<a name="line.630"></a> -<span class="sourceLineNo">631</span> * @param limit the maximum number of values returned / row / CF<a name="line.631"></a> -<span class="sourceLineNo">632</span> */<a name="line.632"></a> -<span class="sourceLineNo">633</span> public Scan setMaxResultsPerColumnFamily(int limit) {<a name="line.633"></a> -<span class="sourceLineNo">634</span> this.storeLimit = limit;<a name="line.634"></a> -<span class="sourceLineNo">635</span> return this;<a name="line.635"></a> -<span class="sourceLineNo">636</span> }<a name="line.636"></a> -<span class="sourceLineNo">637</span><a name="line.637"></a> -<span class="sourceLineNo">638</span> /**<a name="line.638"></a> -<span class="sourceLineNo">639</span> * Set offset for the row per Column Family.<a name="line.639"></a> -<span class="sourceLineNo">640</span> * @param offset is the number of kvs that will be skipped.<a name="line.640"></a> -<span class="sourceLineNo">641</span> */<a name="line.641"></a> -<span class="sourceLineNo">642</span> public Scan setRowOffsetPerColumnFamily(int offset) {<a name="line.642"></a> -<span class="sourceLineNo">643</span> this.storeOffset = offset;<a name="line.643"></a> -<span class="sourceLineNo">644</span> return this;<a name="line.644"></a> -<span class="sourceLineNo">645</span> }<a name="line.645"></a> -<span class="sourceLineNo">646</span><a name="line.646"></a> -<span class="sourceLineNo">647</span> /**<a name="line.647"></a> -<span class="sourceLineNo">648</span> * Set the number of rows for caching that will be passed to scanners.<a name="line.648"></a> -<span class="sourceLineNo">649</span> * If not set, the Configuration setting {@link HConstants#HBASE_CLIENT_SCANNER_CACHING} will<a name="line.649"></a> -<span class="sourceLineNo">650</span> * apply.<a name="line.650"></a> -<span class="sourceLineNo">651</span> * Higher caching values will enable faster scanners but will use more memory.<a name="line.651"></a> -<span class="sourceLineNo">652</span> * @param caching the number of rows for caching<a name="line.652"></a> -<span class="sourceLineNo">653</span> */<a name="line.653"></a> -<span class="sourceLineNo">654</span> public Scan setCaching(int caching) {<a name="line.654"></a> -<span class="sourceLineNo">655</span> this.caching = caching;<a name="line.655"></a> -<span class="sourceLineNo">656</span> return this;<a name="line.656"></a> -<span class="sourceLineNo">657</span> }<a name="line.657"></a> -<span class="sourceLineNo">658</span><a name="line.658"></a> -<span class="sourceLineNo">659</span> /**<a name="line.659"></a> -<span class="sourceLineNo">660</span> * @return the maximum result size in bytes. See {@link #setMaxResultSize(long)}<a name="line.660"></a> -<span class="sourceLineNo">661</span> */<a name="line.661"></a> -<span class="sourceLineNo">662</span> public long getMaxResultSize() {<a name="line.662"></a> -<span class="sourceLineNo">663</span> return maxResultSize;<a name="line.663"></a> -<span class="sourceLineNo">664</span> }<a name="line.664"></a> -<span class="sourceLineNo">665</span><a name="line.665"></a> -<span class="sourceLineNo">666</span> /**<a name="line.666"></a> -<span class="sourceLineNo">667</span> * Set the maximum result size. The default is -1; this means that no specific<a name="line.667"></a> -<span class="sourceLineNo">668</span> * maximum result size will be set for this scan, and the global configured<a name="line.668"></a> -<span class="sourceLineNo">669</span> * value will be used instead. (Defaults to unlimited).<a name="line.669"></a> -<span class="sourceLineNo">670</span> *<a name="line.670"></a> -<span class="sourceLineNo">671</span> * @param maxResultSize The maximum result size in bytes.<a name="line.671"></a> -<span class="sourceLineNo">672</span> */<a name="line.672"></a> -<span class="sourceLineNo">673</span> public Scan setMaxResultSize(long maxResultSize) {<a name="line.673"></a> -<span class="sourceLineNo">674</span> this.maxResultSize = maxResultSize;<a name="line.674"></a> -<span class="sourceLineNo">675</span> return this;<a name="line.675"></a> -<span class="sourceLineNo">676</span> }<a name="line.676"></a> -<span class="sourceLineNo">677</span><a name="line.677"></a> -<span class="sourceLineNo">678</span> @Override<a name="line.678"></a> -<span class="sourceLineNo">679</span> public Scan setFilter(Filter filter) {<a name="line.679"></a> -<span class="sourceLineNo">680</span> super.setFilter(filter);<a name="line.680"></a> -<span 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class="sourceLineNo">693</span><a name="line.693"></a> -<span class="sourceLineNo">694</span> /**<a name="line.694"></a> -<span class="sourceLineNo">695</span> * Getting the familyMap<a name="line.695"></a> -<span class="sourceLineNo">696</span> * @return familyMap<a name="line.696"></a> -<span class="sourceLineNo">697</span> */<a name="line.697"></a> -<span class="sourceLineNo">698</span> public Map<byte [], NavigableSet<byte []>> getFamilyMap() {<a name="line.698"></a> -<span class="sourceLineNo">699</span> return this.familyMap;<a name="line.699"></a> -<span class="sourceLineNo">700</span> }<a name="line.700"></a> -<span class="sourceLineNo">701</span><a name="line.701"></a> -<span class="sourceLineNo">702</span> /**<a name="line.702"></a> -<span class="sourceLineNo">703</span> * @return the number of families in familyMap<a name="line.703"></a> -<span class="sourceLineNo">704</span> */<a name="line.704"></a> -<span class="sourceLineNo">705</span> public int numFamilies() {<a 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Useful for parsing and aggregation by debugging,<a name="line.884"></a> -<span class="sourceLineNo">885</span> * logging, and administration tools.<a name="line.885"></a> -<span class="sourceLineNo">886</span> * @return Map<a name="line.886"></a> -<span class="sourceLineNo">887</span> */<a name="line.887"></a> -<span class="sourceLineNo">888</span> @Override<a name="line.888"></a> -<span class="sourceLineNo">889</span> public Map<String, Object> getFingerprint() {<a name="line.889"></a> -<span class="sourceLineNo">890</span> Map<String, Object> map = new HashMap<>();<a name="line.890"></a> -<span class="sourceLineNo">891</span> List<String> families = new ArrayList<>();<a name="line.891"></a> -<span class="sourceLineNo">892</span> if(this.familyMap.isEmpty()) {<a name="line.892"></a> -<span class="sourceLineNo">893</span> map.put("families", "ALL");<a name="line.893"></a> -<span class="sourceLineNo">894</span> return map;<a name="line.894"></a> -<span class="sourceLineNo">895</span> } 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class="sourceLineNo">907</span> * timestamps, etc.) into a Map along with the fingerprinted information.<a name="line.907"></a> -<span class="sourceLineNo">908</span> * Useful for debugging, logging, and administration tools.<a name="line.908"></a> -<span class="sourceLineNo">909</span> * @param maxCols a limit on the number of columns output prior to truncation<a name="line.909"></a> -<span class="sourceLineNo">910</span> * @return Map<a name="line.910"></a> -<span class="sourceLineNo">911</span> */<a name="line.911"></a> -<span class="sourceLineNo">912</span> @Override<a name="line.912"></a> -<span class="sourceLineNo">913</span> public Map<String, Object> toMap(int maxCols) {<a name="line.913"></a> -<span class="sourceLineNo">914</span> // start with the fingerpring map and build on top of it<a name="line.914"></a> -<span class="sourceLineNo">915</span> Map<String, Object> map = getFingerprint();<a name="line.915"></a> -<span class="sourceLineNo">916</span> // map from families to 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It means the<a name="line.995"></a> -<span class="sourceLineNo"
<TRUNCATED>