http://git-wip-us.apache.org/repos/asf/hbase-site/blob/63aade82/devapidocs/src-html/org/apache/hadoop/hbase/client/Scan.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/Scan.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/Scan.html index 64dfea4..070e349 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/Scan.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/Scan.html @@ -287,984 +287,987 @@ <span class="sourceLineNo">279</span> this.limit = scan.getLimit();<a name="line.279"></a> <span class="sourceLineNo">280</span> this.needCursorResult = scan.isNeedCursorResult();<a name="line.280"></a> <span class="sourceLineNo">281</span> setPriority(scan.getPriority());<a name="line.281"></a> -<span class="sourceLineNo">282</span> }<a name="line.282"></a> -<span class="sourceLineNo">283</span><a name="line.283"></a> -<span class="sourceLineNo">284</span> /**<a name="line.284"></a> -<span class="sourceLineNo">285</span> * Builds a scan object with the same specs as get.<a name="line.285"></a> -<span class="sourceLineNo">286</span> * @param get get to model scan after<a name="line.286"></a> -<span class="sourceLineNo">287</span> */<a name="line.287"></a> -<span class="sourceLineNo">288</span> public Scan(Get get) {<a name="line.288"></a> -<span class="sourceLineNo">289</span> this.startRow = get.getRow();<a name="line.289"></a> -<span class="sourceLineNo">290</span> this.includeStartRow = true;<a name="line.290"></a> -<span class="sourceLineNo">291</span> this.stopRow = get.getRow();<a name="line.291"></a> -<span class="sourceLineNo">292</span> this.includeStopRow = true;<a name="line.292"></a> -<span class="sourceLineNo">293</span> this.filter = get.getFilter();<a name="line.293"></a> -<span class="sourceLineNo">294</span> this.cacheBlocks = get.getCacheBlocks();<a name="line.294"></a> -<span class="sourceLineNo">295</span> this.maxVersions = get.getMaxVersions();<a name="line.295"></a> -<span class="sourceLineNo">296</span> this.storeLimit = get.getMaxResultsPerColumnFamily();<a name="line.296"></a> -<span class="sourceLineNo">297</span> this.storeOffset = get.getRowOffsetPerColumnFamily();<a name="line.297"></a> -<span class="sourceLineNo">298</span> this.tr = get.getTimeRange();<a name="line.298"></a> -<span class="sourceLineNo">299</span> this.familyMap = get.getFamilyMap();<a name="line.299"></a> -<span class="sourceLineNo">300</span> this.asyncPrefetch = false;<a name="line.300"></a> -<span class="sourceLineNo">301</span> this.consistency = get.getConsistency();<a name="line.301"></a> -<span class="sourceLineNo">302</span> this.setIsolationLevel(get.getIsolationLevel());<a name="line.302"></a> -<span class="sourceLineNo">303</span> this.loadColumnFamiliesOnDemand = get.getLoadColumnFamiliesOnDemandValue();<a name="line.303"></a> -<span class="sourceLineNo">304</span> for (Map.Entry<String, byte[]> attr : get.getAttributesMap().entrySet()) {<a name="line.304"></a> -<span class="sourceLineNo">305</span> setAttribute(attr.getKey(), attr.getValue());<a name="line.305"></a> -<span class="sourceLineNo">306</span> }<a name="line.306"></a> -<span class="sourceLineNo">307</span> for (Map.Entry<byte[], TimeRange> entry : get.getColumnFamilyTimeRange().entrySet()) {<a name="line.307"></a> -<span class="sourceLineNo">308</span> TimeRange tr = entry.getValue();<a name="line.308"></a> -<span class="sourceLineNo">309</span> setColumnFamilyTimeRange(entry.getKey(), tr.getMin(), tr.getMax());<a name="line.309"></a> -<span class="sourceLineNo">310</span> }<a name="line.310"></a> -<span class="sourceLineNo">311</span> this.mvccReadPoint = -1L;<a name="line.311"></a> -<span class="sourceLineNo">312</span> setPriority(get.getPriority());<a name="line.312"></a> -<span class="sourceLineNo">313</span> }<a name="line.313"></a> -<span class="sourceLineNo">314</span><a name="line.314"></a> -<span class="sourceLineNo">315</span> public boolean isGetScan() {<a name="line.315"></a> -<span class="sourceLineNo">316</span> return includeStartRow && includeStopRow<a name="line.316"></a> -<span class="sourceLineNo">317</span> && ClientUtil.areScanStartRowAndStopRowEqual(this.startRow, this.stopRow);<a name="line.317"></a> -<span class="sourceLineNo">318</span> }<a name="line.318"></a> -<span class="sourceLineNo">319</span><a name="line.319"></a> -<span class="sourceLineNo">320</span> /**<a name="line.320"></a> -<span class="sourceLineNo">321</span> * Get all columns from the specified family.<a name="line.321"></a> -<span class="sourceLineNo">322</span> * <p><a name="line.322"></a> -<span class="sourceLineNo">323</span> * Overrides previous calls to addColumn for this family.<a name="line.323"></a> -<span class="sourceLineNo">324</span> * @param family family name<a name="line.324"></a> -<span class="sourceLineNo">325</span> * @return this<a name="line.325"></a> -<span class="sourceLineNo">326</span> */<a name="line.326"></a> -<span class="sourceLineNo">327</span> public Scan addFamily(byte [] family) {<a name="line.327"></a> -<span class="sourceLineNo">328</span> familyMap.remove(family);<a name="line.328"></a> -<span class="sourceLineNo">329</span> familyMap.put(family, null);<a name="line.329"></a> -<span class="sourceLineNo">330</span> return this;<a name="line.330"></a> -<span class="sourceLineNo">331</span> }<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> * Get the column from the specified family with the specified qualifier.<a name="line.334"></a> -<span class="sourceLineNo">335</span> * <p><a name="line.335"></a> -<span class="sourceLineNo">336</span> * Overrides previous calls to addFamily for this family.<a name="line.336"></a> -<span class="sourceLineNo">337</span> * @param family family name<a name="line.337"></a> -<span class="sourceLineNo">338</span> * @param qualifier column qualifier<a name="line.338"></a> -<span class="sourceLineNo">339</span> * @return this<a name="line.339"></a> -<span class="sourceLineNo">340</span> */<a name="line.340"></a> -<span class="sourceLineNo">341</span> public Scan addColumn(byte [] family, byte [] qualifier) {<a name="line.341"></a> -<span class="sourceLineNo">342</span> NavigableSet<byte []> set = familyMap.get(family);<a name="line.342"></a> -<span class="sourceLineNo">343</span> if(set == null) {<a name="line.343"></a> -<span class="sourceLineNo">344</span> set = new TreeSet<>(Bytes.BYTES_COMPARATOR);<a name="line.344"></a> -<span class="sourceLineNo">345</span> familyMap.put(family, set);<a name="line.345"></a> -<span class="sourceLineNo">346</span> }<a name="line.346"></a> -<span class="sourceLineNo">347</span> if (qualifier == null) {<a name="line.347"></a> -<span class="sourceLineNo">348</span> qualifier = HConstants.EMPTY_BYTE_ARRAY;<a name="line.348"></a> +<span class="sourceLineNo">282</span> readType = scan.getReadType();<a name="line.282"></a> +<span class="sourceLineNo">283</span> super.setReplicaId(scan.getReplicaId());<a name="line.283"></a> +<span class="sourceLineNo">284</span> }<a name="line.284"></a> +<span class="sourceLineNo">285</span><a name="line.285"></a> +<span class="sourceLineNo">286</span> /**<a name="line.286"></a> +<span class="sourceLineNo">287</span> * Builds a scan object with the same specs as get.<a name="line.287"></a> +<span class="sourceLineNo">288</span> * @param get get to model scan after<a name="line.288"></a> +<span class="sourceLineNo">289</span> */<a name="line.289"></a> +<span class="sourceLineNo">290</span> public Scan(Get get) {<a name="line.290"></a> +<span class="sourceLineNo">291</span> this.startRow = get.getRow();<a name="line.291"></a> +<span class="sourceLineNo">292</span> this.includeStartRow = true;<a name="line.292"></a> +<span class="sourceLineNo">293</span> this.stopRow = get.getRow();<a name="line.293"></a> +<span class="sourceLineNo">294</span> this.includeStopRow = true;<a name="line.294"></a> +<span class="sourceLineNo">295</span> this.filter = get.getFilter();<a name="line.295"></a> +<span class="sourceLineNo">296</span> this.cacheBlocks = get.getCacheBlocks();<a name="line.296"></a> +<span class="sourceLineNo">297</span> this.maxVersions = get.getMaxVersions();<a name="line.297"></a> +<span class="sourceLineNo">298</span> this.storeLimit = get.getMaxResultsPerColumnFamily();<a name="line.298"></a> +<span class="sourceLineNo">299</span> this.storeOffset = get.getRowOffsetPerColumnFamily();<a name="line.299"></a> +<span class="sourceLineNo">300</span> this.tr = get.getTimeRange();<a name="line.300"></a> +<span class="sourceLineNo">301</span> this.familyMap = get.getFamilyMap();<a name="line.301"></a> +<span class="sourceLineNo">302</span> this.asyncPrefetch = false;<a name="line.302"></a> +<span class="sourceLineNo">303</span> this.consistency = get.getConsistency();<a name="line.303"></a> +<span class="sourceLineNo">304</span> this.setIsolationLevel(get.getIsolationLevel());<a name="line.304"></a> +<span class="sourceLineNo">305</span> this.loadColumnFamiliesOnDemand = get.getLoadColumnFamiliesOnDemandValue();<a name="line.305"></a> +<span class="sourceLineNo">306</span> for (Map.Entry<String, byte[]> attr : get.getAttributesMap().entrySet()) {<a name="line.306"></a> +<span class="sourceLineNo">307</span> setAttribute(attr.getKey(), attr.getValue());<a name="line.307"></a> +<span class="sourceLineNo">308</span> }<a name="line.308"></a> +<span class="sourceLineNo">309</span> for (Map.Entry<byte[], TimeRange> entry : get.getColumnFamilyTimeRange().entrySet()) {<a name="line.309"></a> +<span class="sourceLineNo">310</span> TimeRange tr = entry.getValue();<a name="line.310"></a> +<span class="sourceLineNo">311</span> setColumnFamilyTimeRange(entry.getKey(), tr.getMin(), tr.getMax());<a name="line.311"></a> +<span class="sourceLineNo">312</span> }<a name="line.312"></a> +<span class="sourceLineNo">313</span> this.mvccReadPoint = -1L;<a name="line.313"></a> +<span class="sourceLineNo">314</span> setPriority(get.getPriority());<a name="line.314"></a> +<span class="sourceLineNo">315</span> super.setReplicaId(get.getReplicaId());<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> public boolean isGetScan() {<a name="line.318"></a> +<span class="sourceLineNo">319</span> return includeStartRow && includeStopRow<a name="line.319"></a> +<span class="sourceLineNo">320</span> && ClientUtil.areScanStartRowAndStopRowEqual(this.startRow, this.stopRow);<a name="line.320"></a> +<span class="sourceLineNo">321</span> }<a name="line.321"></a> +<span class="sourceLineNo">322</span><a name="line.322"></a> +<span class="sourceLineNo">323</span> /**<a name="line.323"></a> +<span class="sourceLineNo">324</span> * Get all columns from the specified family.<a name="line.324"></a> +<span class="sourceLineNo">325</span> * <p><a name="line.325"></a> +<span class="sourceLineNo">326</span> * Overrides previous calls to addColumn for this family.<a name="line.326"></a> +<span class="sourceLineNo">327</span> * @param family family name<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> public Scan addFamily(byte [] family) {<a name="line.330"></a> +<span class="sourceLineNo">331</span> familyMap.remove(family);<a name="line.331"></a> +<span class="sourceLineNo">332</span> familyMap.put(family, null);<a name="line.332"></a> +<span class="sourceLineNo">333</span> return this;<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> /**<a name="line.336"></a> +<span class="sourceLineNo">337</span> * Get the column from the specified family with the specified qualifier.<a name="line.337"></a> +<span class="sourceLineNo">338</span> * <p><a name="line.338"></a> +<span class="sourceLineNo">339</span> * Overrides previous calls to addFamily for this family.<a name="line.339"></a> +<span class="sourceLineNo">340</span> * @param family family name<a name="line.340"></a> +<span class="sourceLineNo">341</span> * @param qualifier column qualifier<a name="line.341"></a> +<span class="sourceLineNo">342</span> * @return this<a name="line.342"></a> +<span class="sourceLineNo">343</span> */<a name="line.343"></a> +<span class="sourceLineNo">344</span> public Scan addColumn(byte [] family, byte [] qualifier) {<a name="line.344"></a> +<span class="sourceLineNo">345</span> NavigableSet<byte []> set = familyMap.get(family);<a name="line.345"></a> +<span class="sourceLineNo">346</span> if(set == null) {<a name="line.346"></a> +<span class="sourceLineNo">347</span> set = new TreeSet<>(Bytes.BYTES_COMPARATOR);<a name="line.347"></a> +<span class="sourceLineNo">348</span> familyMap.put(family, set);<a name="line.348"></a> <span class="sourceLineNo">349</span> }<a name="line.349"></a> -<span class="sourceLineNo">350</span> set.add(qualifier);<a name="line.350"></a> -<span class="sourceLineNo">351</span> return this;<a name="line.351"></a> -<span class="sourceLineNo">352</span> }<a name="line.352"></a> -<span class="sourceLineNo">353</span><a name="line.353"></a> -<span class="sourceLineNo">354</span> /**<a name="line.354"></a> -<span class="sourceLineNo">355</span> * Get versions of columns only within the specified timestamp range,<a name="line.355"></a> -<span class="sourceLineNo">356</span> * [minStamp, maxStamp). Note, default maximum versions to return is 1. If<a name="line.356"></a> -<span class="sourceLineNo">357</span> * your time range spans more than one version and you want all versions<a name="line.357"></a> -<span class="sourceLineNo">358</span> * returned, up the number of versions beyond the default.<a name="line.358"></a> -<span class="sourceLineNo">359</span> * @param minStamp minimum timestamp value, inclusive<a name="line.359"></a> -<span class="sourceLineNo">360</span> * @param maxStamp maximum timestamp value, exclusive<a name="line.360"></a> -<span class="sourceLineNo">361</span> * @see #setMaxVersions()<a name="line.361"></a> -<span class="sourceLineNo">362</span> * @see #setMaxVersions(int)<a name="line.362"></a> -<span class="sourceLineNo">363</span> * @return this<a name="line.363"></a> -<span class="sourceLineNo">364</span> */<a name="line.364"></a> -<span class="sourceLineNo">365</span> public Scan setTimeRange(long minStamp, long maxStamp) throws IOException {<a name="line.365"></a> -<span class="sourceLineNo">366</span> tr = new TimeRange(minStamp, maxStamp);<a name="line.366"></a> -<span class="sourceLineNo">367</span> return this;<a name="line.367"></a> -<span class="sourceLineNo">368</span> }<a name="line.368"></a> -<span class="sourceLineNo">369</span><a name="line.369"></a> -<span class="sourceLineNo">370</span> /**<a name="line.370"></a> -<span class="sourceLineNo">371</span> * Get versions of columns with the specified timestamp. Note, default maximum<a name="line.371"></a> -<span class="sourceLineNo">372</span> * versions to return is 1. If your time range spans more than one version<a name="line.372"></a> -<span class="sourceLineNo">373</span> * and you want all versions returned, up the number of versions beyond the<a name="line.373"></a> -<span class="sourceLineNo">374</span> * defaut.<a name="line.374"></a> -<span class="sourceLineNo">375</span> * @param timestamp version timestamp<a name="line.375"></a> -<span class="sourceLineNo">376</span> * @see #setMaxVersions()<a name="line.376"></a> -<span class="sourceLineNo">377</span> * @see #setMaxVersions(int)<a name="line.377"></a> -<span class="sourceLineNo">378</span> * @return this<a name="line.378"></a> -<span class="sourceLineNo">379</span> * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0.<a name="line.379"></a> -<span class="sourceLineNo">380</span> * Use {@link #setTimestamp(long)} instead<a name="line.380"></a> -<span class="sourceLineNo">381</span> */<a name="line.381"></a> -<span class="sourceLineNo">382</span> @Deprecated<a name="line.382"></a> -<span class="sourceLineNo">383</span> public Scan setTimeStamp(long timestamp)<a name="line.383"></a> -<span class="sourceLineNo">384</span> throws IOException {<a name="line.384"></a> -<span class="sourceLineNo">385</span> return this.setTimestamp(timestamp);<a name="line.385"></a> -<span class="sourceLineNo">386</span> }<a name="line.386"></a> -<span class="sourceLineNo">387</span><a name="line.387"></a> -<span class="sourceLineNo">388</span> /**<a name="line.388"></a> -<span class="sourceLineNo">389</span> * Get versions of columns with the specified timestamp. Note, default maximum<a name="line.389"></a> -<span class="sourceLineNo">390</span> * versions to return is 1. If your time range spans more than one version<a name="line.390"></a> -<span class="sourceLineNo">391</span> * and you want all versions returned, up the number of versions beyond the<a name="line.391"></a> -<span class="sourceLineNo">392</span> * defaut.<a name="line.392"></a> -<span class="sourceLineNo">393</span> * @param timestamp version timestamp<a name="line.393"></a> -<span class="sourceLineNo">394</span> * @see #setMaxVersions()<a name="line.394"></a> -<span class="sourceLineNo">395</span> * @see #setMaxVersions(int)<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> public Scan setTimestamp(long timestamp) {<a name="line.398"></a> -<span class="sourceLineNo">399</span> try {<a name="line.399"></a> -<span class="sourceLineNo">400</span> tr = new TimeRange(timestamp, timestamp + 1);<a name="line.400"></a> -<span class="sourceLineNo">401</span> } catch(Exception e) {<a name="line.401"></a> -<span class="sourceLineNo">402</span> // This should never happen, unless integer overflow or something extremely wrong...<a name="line.402"></a> -<span class="sourceLineNo">403</span> LOG.error("TimeRange failed, likely caused by integer overflow. ", e);<a name="line.403"></a> -<span class="sourceLineNo">404</span> throw e;<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> return this;<a name="line.407"></a> -<span class="sourceLineNo">408</span> }<a name="line.408"></a> +<span class="sourceLineNo">350</span> if (qualifier == null) {<a name="line.350"></a> +<span class="sourceLineNo">351</span> qualifier = HConstants.EMPTY_BYTE_ARRAY;<a name="line.351"></a> +<span class="sourceLineNo">352</span> }<a name="line.352"></a> +<span class="sourceLineNo">353</span> set.add(qualifier);<a name="line.353"></a> +<span class="sourceLineNo">354</span> return this;<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> /**<a name="line.357"></a> +<span class="sourceLineNo">358</span> * Get versions of columns only within the specified timestamp range,<a name="line.358"></a> +<span class="sourceLineNo">359</span> * [minStamp, maxStamp). Note, default maximum versions to return is 1. If<a name="line.359"></a> +<span class="sourceLineNo">360</span> * your time range spans more than one version and you want all versions<a name="line.360"></a> +<span class="sourceLineNo">361</span> * returned, up the number of versions beyond the default.<a name="line.361"></a> +<span class="sourceLineNo">362</span> * @param minStamp minimum timestamp value, inclusive<a name="line.362"></a> +<span class="sourceLineNo">363</span> * @param maxStamp maximum timestamp value, exclusive<a name="line.363"></a> +<span class="sourceLineNo">364</span> * @see #setMaxVersions()<a name="line.364"></a> +<span class="sourceLineNo">365</span> * @see #setMaxVersions(int)<a name="line.365"></a> +<span class="sourceLineNo">366</span> * @return this<a name="line.366"></a> +<span class="sourceLineNo">367</span> */<a name="line.367"></a> +<span class="sourceLineNo">368</span> public Scan setTimeRange(long minStamp, long maxStamp) throws IOException {<a name="line.368"></a> +<span class="sourceLineNo">369</span> tr = new TimeRange(minStamp, maxStamp);<a name="line.369"></a> +<span class="sourceLineNo">370</span> return this;<a name="line.370"></a> +<span class="sourceLineNo">371</span> }<a name="line.371"></a> +<span class="sourceLineNo">372</span><a name="line.372"></a> +<span class="sourceLineNo">373</span> /**<a name="line.373"></a> +<span class="sourceLineNo">374</span> * Get versions of columns with the specified timestamp. Note, default maximum<a name="line.374"></a> +<span class="sourceLineNo">375</span> * versions to return is 1. If your time range spans more than one version<a name="line.375"></a> +<span class="sourceLineNo">376</span> * and you want all versions returned, up the number of versions beyond the<a name="line.376"></a> +<span class="sourceLineNo">377</span> * defaut.<a name="line.377"></a> +<span class="sourceLineNo">378</span> * @param timestamp version timestamp<a name="line.378"></a> +<span class="sourceLineNo">379</span> * @see #setMaxVersions()<a name="line.379"></a> +<span class="sourceLineNo">380</span> * @see #setMaxVersions(int)<a name="line.380"></a> +<span class="sourceLineNo">381</span> * @return this<a name="line.381"></a> +<span class="sourceLineNo">382</span> * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0.<a name="line.382"></a> +<span class="sourceLineNo">383</span> * Use {@link #setTimestamp(long)} instead<a name="line.383"></a> +<span class="sourceLineNo">384</span> */<a name="line.384"></a> +<span class="sourceLineNo">385</span> @Deprecated<a name="line.385"></a> +<span class="sourceLineNo">386</span> public Scan setTimeStamp(long timestamp)<a name="line.386"></a> +<span class="sourceLineNo">387</span> throws IOException {<a name="line.387"></a> +<span class="sourceLineNo">388</span> return this.setTimestamp(timestamp);<a name="line.388"></a> +<span class="sourceLineNo">389</span> }<a name="line.389"></a> +<span class="sourceLineNo">390</span><a name="line.390"></a> +<span class="sourceLineNo">391</span> /**<a name="line.391"></a> +<span class="sourceLineNo">392</span> * Get versions of columns with the specified timestamp. Note, default maximum<a name="line.392"></a> +<span class="sourceLineNo">393</span> * versions to return is 1. If your time range spans more than one version<a name="line.393"></a> +<span class="sourceLineNo">394</span> * and you want all versions returned, up the number of versions beyond the<a name="line.394"></a> +<span class="sourceLineNo">395</span> * defaut.<a name="line.395"></a> +<span class="sourceLineNo">396</span> * @param timestamp version timestamp<a name="line.396"></a> +<span class="sourceLineNo">397</span> * @see #setMaxVersions()<a name="line.397"></a> +<span class="sourceLineNo">398</span> * @see #setMaxVersions(int)<a name="line.398"></a> +<span class="sourceLineNo">399</span> * @return this<a name="line.399"></a> +<span class="sourceLineNo">400</span> */<a name="line.400"></a> +<span class="sourceLineNo">401</span> public Scan setTimestamp(long timestamp) {<a name="line.401"></a> +<span class="sourceLineNo">402</span> try {<a name="line.402"></a> +<span class="sourceLineNo">403</span> tr = new TimeRange(timestamp, timestamp + 1);<a name="line.403"></a> +<span class="sourceLineNo">404</span> } catch(Exception e) {<a name="line.404"></a> +<span class="sourceLineNo">405</span> // This should never happen, unless integer overflow or something extremely wrong...<a name="line.405"></a> +<span class="sourceLineNo">406</span> LOG.error("TimeRange failed, likely caused by integer overflow. ", e);<a name="line.406"></a> +<span class="sourceLineNo">407</span> throw e;<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> @Override public Scan setColumnFamilyTimeRange(byte[] cf, long minStamp, long maxStamp) {<a name="line.410"></a> -<span class="sourceLineNo">411</span> return (Scan) super.setColumnFamilyTimeRange(cf, minStamp, maxStamp);<a name="line.411"></a> -<span class="sourceLineNo">412</span> }<a name="line.412"></a> -<span class="sourceLineNo">413</span><a name="line.413"></a> -<span class="sourceLineNo">414</span> /**<a name="line.414"></a> -<span class="sourceLineNo">415</span> * Set the start row of the scan.<a name="line.415"></a> -<span class="sourceLineNo">416</span> * <p><a name="line.416"></a> -<span class="sourceLineNo">417</span> * If the specified row does not exist, the Scanner will start from the next closest row after the<a name="line.417"></a> -<span class="sourceLineNo">418</span> * specified row.<a name="line.418"></a> -<span class="sourceLineNo">419</span> * @param startRow row to start scanner at or after<a name="line.419"></a> -<span class="sourceLineNo">420</span> * @return this<a name="line.420"></a> -<span class="sourceLineNo">421</span> * @throws IllegalArgumentException if startRow does not meet criteria for a row key (when length<a name="line.421"></a> -<span class="sourceLineNo">422</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.422"></a> -<span class="sourceLineNo">423</span> * @deprecated use {@link #withStartRow(byte[])} instead. This method may change the inclusive of<a name="line.423"></a> -<span class="sourceLineNo">424</span> * the stop row to keep compatible with the old behavior.<a name="line.424"></a> -<span class="sourceLineNo">425</span> */<a name="line.425"></a> -<span class="sourceLineNo">426</span> @Deprecated<a name="line.426"></a> -<span class="sourceLineNo">427</span> public Scan setStartRow(byte[] startRow) {<a name="line.427"></a> -<span class="sourceLineNo">428</span> withStartRow(startRow);<a name="line.428"></a> -<span class="sourceLineNo">429</span> if (ClientUtil.areScanStartRowAndStopRowEqual(this.startRow, this.stopRow)) {<a name="line.429"></a> -<span class="sourceLineNo">430</span> // for keeping the old behavior that a scan with the same start and stop row is a get scan.<a name="line.430"></a> -<span class="sourceLineNo">431</span> this.includeStopRow = true;<a name="line.431"></a> -<span class="sourceLineNo">432</span> }<a name="line.432"></a> -<span class="sourceLineNo">433</span> return this;<a name="line.433"></a> -<span class="sourceLineNo">434</span> }<a name="line.434"></a> -<span class="sourceLineNo">435</span><a name="line.435"></a> -<span class="sourceLineNo">436</span> /**<a name="line.436"></a> -<span class="sourceLineNo">437</span> * Set the start row of the scan.<a name="line.437"></a> -<span class="sourceLineNo">438</span> * <p><a name="line.438"></a> -<span class="sourceLineNo">439</span> * If the specified row does not exist, the Scanner will start from the next closest row after the<a name="line.439"></a> -<span class="sourceLineNo">440</span> * specified row.<a name="line.440"></a> -<span class="sourceLineNo">441</span> * @param startRow row to start scanner at or after<a name="line.441"></a> -<span class="sourceLineNo">442</span> * @return this<a name="line.442"></a> -<span class="sourceLineNo">443</span> * @throws IllegalArgumentException if startRow does not meet criteria for a row key (when length<a name="line.443"></a> -<span 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length must be less than or equal to "<a name="line.463"></a> -<span class="sourceLineNo">464</span> + HConstants.MAX_ROW_LENGTH + " to meet the criteria" + " for a row key.");<a name="line.464"></a> -<span class="sourceLineNo">465</span> }<a name="line.465"></a> -<span class="sourceLineNo">466</span> this.startRow = startRow;<a name="line.466"></a> -<span class="sourceLineNo">467</span> this.includeStartRow = inclusive;<a name="line.467"></a> -<span class="sourceLineNo">468</span> return this;<a name="line.468"></a> -<span class="sourceLineNo">469</span> }<a name="line.469"></a> -<span class="sourceLineNo">470</span><a name="line.470"></a> -<span class="sourceLineNo">471</span> /**<a name="line.471"></a> -<span class="sourceLineNo">472</span> * Set the stop row of the scan.<a name="line.472"></a> -<span class="sourceLineNo">473</span> * <p><a name="line.473"></a> -<span class="sourceLineNo">474</span> * The scan will include rows that are lexicographically less than the provided stopRow.<a name="line.474"></a> -<span class="sourceLineNo">475</span> * <p><a name="line.475"></a> -<span class="sourceLineNo">476</span> * <b>Note:</b> When doing a filter for a rowKey <u>Prefix</u> use<a name="line.476"></a> -<span class="sourceLineNo">477</span> * {@link #setRowPrefixFilter(byte[])}. The 'trailing 0' will not yield the desired result.<a name="line.477"></a> -<span class="sourceLineNo">478</span> * </p><a name="line.478"></a> -<span class="sourceLineNo">479</span> * @param stopRow row to end at (exclusive)<a name="line.479"></a> -<span class="sourceLineNo">480</span> * @return this<a name="line.480"></a> -<span class="sourceLineNo">481</span> * @throws IllegalArgumentException if stopRow does not meet criteria for a row key (when length<a name="line.481"></a> -<span class="sourceLineNo">482</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.482"></a> -<span class="sourceLineNo">483</span> * @deprecated use {@link #withStartRow(byte[])} instead. This method may change the inclusive of<a name="line.483"></a> -<span class="sourceLineNo">484</span> * the stop row to keep compatible with the old behavior.<a name="line.484"></a> -<span class="sourceLineNo">485</span> */<a name="line.485"></a> -<span class="sourceLineNo">486</span> @Deprecated<a name="line.486"></a> -<span class="sourceLineNo">487</span> public Scan setStopRow(byte[] stopRow) {<a name="line.487"></a> -<span class="sourceLineNo">488</span> withStopRow(stopRow);<a name="line.488"></a> -<span class="sourceLineNo">489</span> if (ClientUtil.areScanStartRowAndStopRowEqual(this.startRow, this.stopRow)) {<a name="line.489"></a> -<span class="sourceLineNo">490</span> // for keeping the old behavior that a scan with the same start and stop row is a get scan.<a name="line.490"></a> -<span class="sourceLineNo">491</span> this.includeStopRow = true;<a name="line.491"></a> -<span class="sourceLineNo">492</span> }<a name="line.492"></a> -<span class="sourceLineNo">493</span> return this;<a name="line.493"></a> -<span class="sourceLineNo">494</span> }<a name="line.494"></a> -<span class="sourceLineNo">495</span><a name="line.495"></a> -<span class="sourceLineNo">496</span> /**<a name="line.496"></a> -<span class="sourceLineNo">497</span> * Set the stop row of the scan.<a name="line.497"></a> -<span class="sourceLineNo">498</span> * <p><a name="line.498"></a> -<span class="sourceLineNo">499</span> * The scan will include rows that are lexicographically less than the provided stopRow.<a name="line.499"></a> -<span class="sourceLineNo">500</span> * <p><a name="line.500"></a> -<span class="sourceLineNo">501</span> * <b>Note:</b> When doing a filter for a rowKey <u>Prefix</u> use<a name="line.501"></a> -<span class="sourceLineNo">502</span> * {@link #setRowPrefixFilter(byte[])}. The 'trailing 0' will not yield the desired result.<a name="line.502"></a> -<span class="sourceLineNo">503</span> * </p><a name="line.503"></a> -<span class="sourceLineNo">504</span> * @param stopRow row to end at (exclusive)<a name="line.504"></a> -<span class="sourceLineNo">505</span> * @return this<a name="line.505"></a> -<span class="sourceLineNo">506</span> * @throws IllegalArgumentException if stopRow does not meet criteria for a row key (when length<a name="line.506"></a> -<span class="sourceLineNo">507</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.507"></a> -<span class="sourceLineNo">508</span> */<a name="line.508"></a> -<span class="sourceLineNo">509</span> public Scan withStopRow(byte[] stopRow) {<a name="line.509"></a> -<span class="sourceLineNo">510</span> return withStopRow(stopRow, false);<a name="line.510"></a> -<span class="sourceLineNo">511</span> }<a name="line.511"></a> -<span class="sourceLineNo">512</span><a name="line.512"></a> -<span class="sourceLineNo">513</span> /**<a name="line.513"></a> -<span class="sourceLineNo">514</span> * Set the stop row of the scan.<a name="line.514"></a> -<span class="sourceLineNo">515</span> * <p><a name="line.515"></a> -<span class="sourceLineNo">516</span> * The scan will include rows that are lexicographically less than (or equal to if<a name="line.516"></a> -<span class="sourceLineNo">517</span> * {@code inclusive} is {@code true}) the provided stopRow.<a name="line.517"></a> -<span class="sourceLineNo">518</span> * @param stopRow row to end at<a name="line.518"></a> -<span class="sourceLineNo">519</span> * @param inclusive whether we should include the stop row when scan<a name="line.519"></a> -<span class="sourceLineNo">520</span> * @return this<a name="line.520"></a> -<span class="sourceLineNo">521</span> * @throws IllegalArgumentException if stopRow does not meet criteria for a row key (when length<a name="line.521"></a> -<span class="sourceLineNo">522</span> * exceeds {@link HConstants#MAX_ROW_LENGTH})<a name="line.522"></a> -<span class="sourceLineNo">523</span> */<a name="line.523"></a> -<span class="sourceLineNo">524</span> public Scan withStopRow(byte[] stopRow, boolean inclusive) {<a name="line.524"></a> -<span class="sourceLineNo">525</span> if (Bytes.len(stopRow) > HConstants.MAX_ROW_LENGTH) {<a name="line.525"></a> -<span class="sourceLineNo">526</span> throw new IllegalArgumentException("stopRow's length must be less than or equal to "<a name="line.526"></a> -<span class="sourceLineNo">527</span> + HConstants.MAX_ROW_LENGTH + " to meet the criteria" + " for a row key.");<a name="line.527"></a> -<span class="sourceLineNo">528</span> }<a name="line.528"></a> -<span class="sourceLineNo">529</span> this.stopRow = stopRow;<a name="line.529"></a> -<span class="sourceLineNo">530</span> this.includeStopRow = inclusive;<a name="line.530"></a> -<span class="sourceLineNo">531</span> return this;<a name="line.531"></a> -<span class="sourceLineNo">532</span> }<a name="line.532"></a> -<span class="sourceLineNo">533</span><a name="line.533"></a> -<span class="sourceLineNo">534</span> /**<a name="line.534"></a> -<span class="sourceLineNo">535</span> * <p>Set a filter (using stopRow and startRow) so the result set only contains rows where the<a name="line.535"></a> -<span class="sourceLineNo">536</span> * rowKey starts with the specified prefix.</p><a name="line.536"></a> -<span class="sourceLineNo">537</span> * <p>This is a utility method that converts the desired rowPrefix into the appropriate values<a name="line.537"></a> -<span class="sourceLineNo">538</span> * for the startRow and stopRow to achieve the desired result.</p><a name="line.538"></a> -<span class="sourceLineNo">539</span> * <p>This can safely be used in combination with setFilter.</p><a name="line.539"></a> -<span class="sourceLineNo">540</span> * <p><b>NOTE: Doing a {@link #setStartRow(byte[])} and/or {@link #setStopRow(byte[])}<a name="line.540"></a> -<span class="sourceLineNo">541</span> * after this method will yield undefined results.</b></p><a name="line.541"></a> -<span class="sourceLineNo">542</span> * @param rowPrefix the prefix all rows must start with. (Set <i>null</i> to remove the filter.)<a name="line.542"></a> -<span class="sourceLineNo">543</span> * @return this<a name="line.543"></a> -<span class="sourceLineNo">544</span> */<a name="line.544"></a> -<span class="sourceLineNo">545</span> public Scan setRowPrefixFilter(byte[] rowPrefix) {<a name="line.545"></a> -<span class="sourceLineNo">546</span> if (rowPrefix == null) {<a name="line.546"></a> -<span class="sourceLineNo">547</span> setStartRow(HConstants.EMPTY_START_ROW);<a name="line.547"></a> -<span class="sourceLineNo">548</span> setStopRow(HConstants.EMPTY_END_ROW);<a name="line.548"></a> -<span class="sourceLineNo">549</span> } else {<a name="line.549"></a> -<span class="sourceLineNo">550</span> this.setStartRow(rowPrefix);<a name="line.550"></a> -<span class="sourceLineNo">551</span> this.setStopRow(calculateTheClosestNextRowKeyForPrefix(rowPrefix));<a name="line.551"></a> -<span class="sourceLineNo">552</span> }<a name="line.552"></a> -<span class="sourceLineNo">553</span> return this;<a name="line.553"></a> -<span class="sourceLineNo">554</span> }<a name="line.554"></a> -<span class="sourceLineNo">555</span><a name="line.555"></a> -<span class="sourceLineNo">556</span> /**<a name="line.556"></a> -<span class="sourceLineNo">557</span> * <p>When scanning for a prefix the scan should stop immediately after the the last row that<a name="line.557"></a> -<span class="sourceLineNo">558</span> * has the specified prefix. This method calculates the closest next rowKey immediately following<a name="line.558"></a> -<span class="sourceLineNo">559</span> * the given rowKeyPrefix.</p><a name="line.559"></a> -<span class="sourceLineNo">560</span> * <p><b>IMPORTANT: This converts a rowKey<u>Prefix</u> into a rowKey</b>.</p><a name="line.560"></a> -<span class="sourceLineNo">561</span> * <p>If the prefix is an 'ASCII' string put into a byte[] then this is easy because you can<a name="line.561"></a> -<span class="sourceLineNo">562</span> * simply increment the last byte of the array.<a name="line.562"></a> -<span class="sourceLineNo">563</span> * But if your application uses real binary rowids you may run into the scenario that your<a name="line.563"></a> -<span class="sourceLineNo">564</span> * prefix is something like:</p><a name="line.564"></a> -<span class="sourceLineNo">565</span> * &nbsp;&nbsp;&nbsp;<b>{ 0x12, 0x23, 0xFF, 0xFF }</b><br/><a name="line.565"></a> -<span class="sourceLineNo">566</span> * Then this stopRow needs to be fed into the actual scan<br/><a name="line.566"></a> -<span class="sourceLineNo">567</span> * &nbsp;&nbsp;&nbsp;<b>{ 0x12, 0x24 }</b> (Notice that it is shorter now)<br/><a name="line.567"></a> -<span class="sourceLineNo">568</span> * This method calculates the correct stop row value for this usecase.<a name="line.568"></a> -<span class="sourceLineNo">569</span> *<a name="line.569"></a> -<span class="sourceLineNo">570</span> * @param rowKeyPrefix the rowKey<u>Prefix</u>.<a name="line.570"></a> -<span class="sourceLineNo">571</span> * @return the closest next rowKey immediately following the given rowKeyPrefix.<a name="line.571"></a> -<span class="sourceLineNo">572</span> */<a name="line.572"></a> -<span class="sourceLineNo">573</span> private byte[] calculateTheClosestNextRowKeyForPrefix(byte[] rowKeyPrefix) {<a name="line.573"></a> -<span class="sourceLineNo">574</span> // Essentially we are treating it like an 'unsigned very very long' and doing +1 manually.<a name="line.574"></a> -<span class="sourceLineNo">575</span> // Search for the place where the trailing 0xFFs start<a name="line.575"></a> -<span class="sourceLineNo">576</span> int offset = rowKeyPrefix.length;<a name="line.576"></a> -<span class="sourceLineNo">577</span> while (offset > 0) {<a name="line.577"></a> -<span class="sourceLineNo">578</span> if (rowKeyPrefix[offset - 1] != (byte) 0xFF) {<a name="line.578"></a> -<span class="sourceLineNo">579</span> break;<a name="line.579"></a> -<span class="sourceLineNo">580</span> }<a name="line.580"></a> -<span class="sourceLineNo">581</span> offset--;<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> if (offset == 0) {<a name="line.584"></a> -<span class="sourceLineNo">585</span> // We got an 0xFFFF... (only FFs) stopRow value which is<a name="line.585"></a> -<span class="sourceLineNo">586</span> // the last possible prefix before the end of the table.<a name="line.586"></a> -<span class="sourceLineNo">587</span> // So set it to stop at the 'end of the table'<a name="line.587"></a> -<span class="sourceLineNo">588</span> return HConstants.EMPTY_END_ROW;<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> // Copy the right length of the original<a name="line.591"></a> -<span class="sourceLineNo">592</span> byte[] newStopRow = Arrays.copyOfRange(rowKeyPrefix, 0, offset);<a name="line.592"></a> -<span class="sourceLineNo">593</span> // And increment the last one<a name="line.593"></a> -<span class="sourceLineNo">594</span> newStopRow[newStopRow.length - 1]++;<a name="line.594"></a> -<span class="sourceLineNo">595</span> return newStopRow;<a name="line.595"></a> -<span class="sourceLineNo">596</span> }<a name="line.596"></a> -<span class="sourceLineNo">597</span><a name="line.597"></a> -<span class="sourceLineNo">598</span> /**<a name="line.598"></a> -<span class="sourceLineNo">599</span> * Get all available versions.<a name="line.599"></a> -<span class="sourceLineNo">600</span> * @return this<a name="line.600"></a> -<span class="sourceLineNo">601</span> * @deprecated It is easy to misunderstand with column family's max versions, so use<a name="line.601"></a> -<span class="sourceLineNo">602</span> * {@link #readAllVersions()} instead.<a name="line.602"></a> -<span class="sourceLineNo">603</span> */<a name="line.603"></a> -<span class="sourceLineNo">604</span> @Deprecated<a name="line.604"></a> -<span class="sourceLineNo">605</span> public Scan setMaxVersions() {<a name="line.605"></a> -<span class="sourceLineNo">606</span> return readAllVersions();<a name="line.606"></a> -<span class="sourceLineNo">607</span> }<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> * Get up to the specified number of versions of each column.<a name="line.610"></a> -<span class="sourceLineNo">611</span> * @param maxVersions maximum versions for each column<a name="line.611"></a> -<span class="sourceLineNo">612</span> * @return this<a name="line.612"></a> -<span class="sourceLineNo">613</span> * @deprecated It is easy to misunderstand with column family's max versions, so use<a name="line.613"></a> -<span class="sourceLineNo">614</span> * {@link #readVersions(int)} instead.<a name="line.614"></a> -<span class="sourceLineNo">615</span> */<a name="line.615"></a> -<span class="sourceLineNo">616</span> @Deprecated<a name="line.616"></a> -<span class="sourceLineNo">617</span> public Scan setMaxVersions(int maxVersions) {<a name="line.617"></a> -<span class="sourceLineNo">618</span> return readVersions(maxVersions);<a name="line.618"></a> -<span class="sourceLineNo">619</span> }<a name="line.619"></a> -<span class="sourceLineNo">620</span><a name="line.620"></a> -<span class="sourceLineNo">621</span> /**<a name="line.621"></a> -<span class="sourceLineNo">622</span> * Get all available versions.<a name="line.622"></a> -<span class="sourceLineNo">623</span> * @return this<a name="line.623"></a> -<span class="sourceLineNo">624</span> */<a name="line.624"></a> -<span class="sourceLineNo">625</span> public Scan readAllVersions() {<a name="line.625"></a> -<span class="sourceLineNo">626</span> this.maxVersions = Integer.MAX_VALUE;<a name="line.626"></a> -<span class="sourceLineNo">627</span> return this;<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> /**<a name="line.630"></a> -<span class="sourceLineNo">631</span> * Get up to the specified number of versions of each column.<a name="line.631"></a> -<span class="sourceLineNo">632</span> * @param versions specified number of versions for each column<a name="line.632"></a> -<span class="sourceLineNo">633</span> * @return this<a name="line.633"></a> -<span class="sourceLineNo">634</span> */<a name="line.634"></a> -<span class="sourceLineNo">635</span> public Scan readVersions(int versions) {<a name="line.635"></a> -<span class="sourceLineNo">636</span> this.maxVersions = versions;<a name="line.636"></a> -<span class="sourceLineNo">637</span> return this;<a name="line.637"></a> -<span class="sourceLineNo">638</span> }<a name="line.638"></a> -<span class="sourceLineNo">639</span><a name="line.639"></a> -<span class="sourceLineNo">640</span> /**<a name="line.640"></a> -<span class="sourceLineNo">641</span> * Set the maximum number of cells to return for each call to next(). Callers should be aware<a name="line.641"></a> -<span class="sourceLineNo">642</span> * that this is not equivalent to calling {@link #setAllowPartialResults(boolean)}.<a name="line.642"></a> -<span class="sourceLineNo">643</span> * If you don't allow partial results, the number of cells in each Result must equal to your<a name="line.643"></a> -<span class="sourceLineNo">644</span> * batch setting unless it is the last Result for current row. So this method is helpful in paging<a name="line.644"></a> -<span class="sourceLineNo">645</span> * queries. 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true by default. When true, default settings of the table and<a name="line.849"></a> -<span class="sourceLineNo">850</span> * family are used (this will never override caching blocks if the block<a name="line.850"></a> -<span class="sourceLineNo">851</span> * cache is disabled for that family or entirely).<a name="line.851"></a> -<span class="sourceLineNo">852</span> *<a name="line.852"></a> -<span class="sourceLineNo">853</span> * @param cacheBlocks if false, default settings are overridden and blocks<a name="line.853"></a> -<span class="sourceLineNo">854</span> * will not be cached<a name="line.854"></a> -<span class="sourceLineNo">855</span> */<a name="line.855"></a> -<span class="sourceLineNo">856</span> public Scan setCacheBlocks(boolean cacheBlocks) {<a name="line.856"></a> -<span class="sourceLineNo">857</span> this.cacheBlocks = cacheBlocks;<a name="line.857"></a> -<span class="sourceLineNo">858</span> return this;<a name="line.858"></a> -<span class="sourceLineNo">859</span> }<a name="line.859"></a> -<span class="sourceLineNo">860</span><a name="line.860"></a> -<span class="sourceLineNo">861</span> /**<a name="line.861"></a> -<span class="sourceLineNo">862</span> * Get whether blocks should be cached for this Scan.<a name="line.862"></a> -<span class="sourceLineNo">863</span> * @return true if default caching should be used, false if blocks should not<a name="line.863"></a> -<span class="sourceLineNo">864</span> * be cached<a name="line.864"></a> -<span class="sourceLineNo">865</span> */<a name="line.865"></a> -<span class="sourceLineNo">866</span> public boolean getCacheBlocks() {<a name="line.866"></a> -<span class="sourceLineNo">867</span> return cacheBlocks;<a name="line.867"></a> -<span class="sourceLineNo">868</span> }<a name="line.868"></a> -<span class="sourceLineNo">869</span><a name="line.869"></a> -<span class="sourceLineNo">870</span> /**<a name="line.870"></a> -<span class="sourceLineNo">871</span> * Set whether this scan is a reversed one<a name="line.871"></a> -<span class="sourceLineNo">872</span> * <p><a name="line.872"></a> -<span class="sourceLineNo">873</span> * This is false by default which means forward(normal) scan.<a name="line.873"></a> -<span class="sourceLineNo">874</span> *<a name="line.874"></a> -<span class="sourceLineNo">875</span> * @param reversed if true, scan will be backward order<a name="line.875"></a> -<span class="sourceLineNo">876</span> * @return this<a name="line.876"></a> -<span class="sourceLineNo">877</span> */<a name="line.877"></a> -<span class="sourceLineNo">878</span> public Scan setReversed(boolean reversed) {<a name="line.878"></a> -<span class="sourceLineNo">879</span> this.reversed = reversed;<a name="line.879"></a> -<span class="sourceLineNo">880</span> return this;<a name="line.880"></a> -<span class="sourceLineNo">881</span> }<a name="line.881"></a> -<span class="sourceLineNo">882</span><a name="line.882"></a> -<span class="sourceLineNo">883</span> /**<a name="line.883"></a> -<span class="sourceLineNo">884</span> * Get whether this scan is a reversed one.<a name="line.884"></a> -<span class="sourceLineNo">885</span> * @return true if backward scan, false if forward(default) scan<a name="line.885"></a> -<span class="sourceLineNo">886</span> */<a name="line.886"></a> -<span class="sourceLineNo">887</span> public boolean isReversed() {<a name="line.887"></a> -<span class="sourceLineNo">888</span> return reversed;<a name="line.888"></a> -<span class="sourceLineNo">889</span> }<a name="line.889"></a> -<span class="sourceLineNo">890</span><a name="line.890"></a> -<span class="sourceLineNo">891</span> /**<a name="line.891"></a> -<span class="sourceLineNo">892</span> * Setting whether the caller wants to see the partial results when server returns<a name="line.892"></a> -<span class="sourceLineNo">893</span> * less-than-expected cells. It is helpful while scanning a huge row to prevent OOM at client.<a name="line.893"></a> -<span class="sourceLineNo">894</span> * By default this value is false and the complete results will be assembled client side<a name="line.894"></a> -<span class="sourceLineNo">895</span> * before being delivered to the caller.<a name="line.895"></a> -<span class="sourceLineNo">896</span> * @param allowPartialResults<a name="line.896"></a> -<span class="sourceLineNo">897</span> * @return this<a name="line.897"></a> -<span class="sourceLineNo">898</span> * @see Result#mayHaveMoreCellsInRow()<a name="line.898"></a> -<span class="sourceLineNo">899</span> * @see #setBatch(int)<a name="line.899"></a> -<span class="sourceLineNo">900</span> */<a name="line.900"></a> -<span class="sourceLineNo">901</span> public Scan setAllowPartialResults(final boolean allowPartialResults) {<a name="line.901"></a> -<span class="sourceLineNo">902</span> this.allowPartialResults = allowPartialResults;<a name="line.902"></a> -<span class="sourceLineNo">903</span> return this;<a name="line.903"></a> -<span class="sourceLineNo">904</span> }<a name="line.904"></a> -<span class="sourceLineNo">905</span><a name="line.905"></a> -<span class="sourceLineNo">906</span> /**<a name="line.906"></a> -<span class="sourceLineNo">907</span> * @return true when the constructor of this scan understands that the results they will see may<a name="line.907"></a> -<span class="sourceLineNo">908</span> * only represent a partial portion of a row. 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class="sourceLineNo">945</span> * timestamps, etc.) into a Map along with the fingerprinted information.<a name="line.945"></a> -<span class="sourceLineNo">946</span> * Useful for debugging, logging, and administration tools.<a name="line.946"></a> -<span class="sourceLineNo">947</span> * @param maxCols a limit on the number of columns output prior to truncation<a name="line.947"></a> -<span class="sourceLineNo">948</span> * @return Map<a name="line.948"></a> -<span class="sourceLineNo">949</span> */<a name="line.949"></a> -<span class="sourceLineNo">950</span> @Override<a name="line.950"></a> -<span class="sourceLineNo">951</span> public Map<String, Object> toMap(int maxCols) {<a name="line.951"></a> -<span class="sourceLineNo">952</span> // start with the fingerpring map and build on top of it<a name="line.952"></a> -<span class="sourceLineNo">953</span> Map<String, Object> map = getFingerprint();<a name="line.953"></a> -<span class="sourceLineNo">954</span> // map from families to column list replaces fingerprint's list of families<a name="line.954"></a> -<span class="sourceLineNo">955</span> Map<String, List<String>> familyColumns = new HashMap<>();<a name="line.955"></a> -<span class="sourceLineNo">956</span> map.put("families", familyColumns);<a name="line.956"></a> -<span class="sourceLineNo">957</span> // add scalar information first<a name="line.957"></a> -<span class="sourceLineNo">958</span> map.put("startRow", Bytes.toStringBinary(this.startRow));<a name="line.958"></a> -<span class="sourceLineNo">959</span> map.put("stopRow", Bytes.toStringBinary(this.stopRow));<a name="line.959"></a> -<span class="sourceLineNo">960</span> map.put("maxVersions", this.maxVersions);<a name="line.960"></a> -<span class="sourceLineNo">961</span> map.put("batch", this.batch);<a name="line.961"></a> -<span class="sourceLineNo">962</span> map.put("caching", this.caching);<a name="line.962"></a> -<span class="sourceLineNo">963</span> map.put("maxResultSize", 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It means the<a name="line.1033"></a> -<span class="sourceLineNo">1034</span> * better performance for small scan. [HBASE-9488]. Generally, if the scan range is within one<a name="line.1034"></a> -<span class="sourceLineNo">1035</span> * data block(64KB), it could be considered as a small scan.<a name="line.1035"></a> -<span class="sourceLineNo">1036</span> * @param small<a name="line.1036"></a> -<span class="sourceLineNo">1037</span> * @deprecated since 2.0.0. Use {@link #setLimit(int)} and {@link #setReadType(ReadType)} instead.<a name="line.1037"></a> -<span class="sourceLineNo">1038</span> * And for the one rpc optimization, now we will also fetch data when openScanner, and<a name="line.1038"></a> -<span class="sourceLineNo">1039</span> * if the number of rows reaches the limit then we will close the scanner<a name="line.1039"></a> -<span class="sourceLineNo">1040</span> * automatically which means we will fall back to one rpc.<a name="line.1040"></a> -<span class="sourceLineNo">1041</span> * @see #setLimit(int)<a name="line.1041"></a> -<span class="sourceLineNo">1042</span> * @see #setReadType(ReadType)<a name="line.1042"></a> -<span class="sourceLineNo">1043</span> */<a name="line.1043"></a> -<span class="sourceLineNo">1044</span> @Deprecated<a name="line.1044"></a> -<span class="sourceLineNo">1045</span> public Scan setSmall(boolean small) {<a name="line.1045"></a> -<span class="sourceLineNo">1046</span> this.small = small;<a name="line.1046"></a> -<span class="sourceLineNo">1047</span> this.readType = ReadType.PREAD;<a name="line.1047"></a> -<span class="sourceLineNo">1048</span> return this;<a name="line.1048"></a> -<span class="sourceLineNo">1049</span> }<a name="line.1049"></a> -<span class="sourceLineNo">1050</span><a name="line.1050"></a> -<span class="sourceLineNo">1051</span> /**<a name="line.1051"></a> -<span class="sourceLineNo">1052</span> * Get whether this scan is a small scan<a name="line.1052"></a> -<span class="sourceLineNo">1053</span> * @return true if small scan<a name="line.1053"></a> -<span class="sourceLineNo">1054</span> * @deprecated since 2.0.0. 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<TRUNCATED>