http://git-wip-us.apache.org/repos/asf/hbase-site/blob/044b3379/apidocs/src-html/org/apache/hadoop/hbase/client/Result.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/client/Result.html b/apidocs/src-html/org/apache/hadoop/hbase/client/Result.html index da95361..72920ba 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/client/Result.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/client/Result.html @@ -283,666 +283,678 @@ <span class="sourceLineNo">275</span> return result;<a name="line.275"></a> <span class="sourceLineNo">276</span> }<a name="line.276"></a> <span class="sourceLineNo">277</span><a name="line.277"></a> -<span class="sourceLineNo">278</span> protected int binarySearch(final Cell [] kvs,<a name="line.278"></a> -<span class="sourceLineNo">279</span> final byte [] family,<a name="line.279"></a> -<span class="sourceLineNo">280</span> final byte [] qualifier) {<a name="line.280"></a> -<span class="sourceLineNo">281</span> Cell searchTerm =<a name="line.281"></a> -<span class="sourceLineNo">282</span> KeyValueUtil.createFirstOnRow(CellUtil.cloneRow(kvs[0]),<a name="line.282"></a> -<span class="sourceLineNo">283</span> family, qualifier);<a name="line.283"></a> -<span class="sourceLineNo">284</span><a name="line.284"></a> -<span class="sourceLineNo">285</span> // pos === ( -(insertion point) - 1)<a name="line.285"></a> -<span class="sourceLineNo">286</span> int pos = Arrays.binarySearch(kvs, searchTerm, CellComparator.COMPARATOR);<a name="line.286"></a> -<span class="sourceLineNo">287</span> // never will exact match<a name="line.287"></a> -<span class="sourceLineNo">288</span> if (pos < 0) {<a name="line.288"></a> -<span class="sourceLineNo">289</span> pos = (pos+1) * -1;<a name="line.289"></a> -<span class="sourceLineNo">290</span> // pos is now insertion point<a name="line.290"></a> -<span class="sourceLineNo">291</span> }<a name="line.291"></a> -<span class="sourceLineNo">292</span> if (pos == kvs.length) {<a name="line.292"></a> -<span class="sourceLineNo">293</span> return -1; // doesn't exist<a name="line.293"></a> -<span class="sourceLineNo">294</span> }<a name="line.294"></a> -<span class="sourceLineNo">295</span> return pos;<a name="line.295"></a> -<span class="sourceLineNo">296</span> }<a name="line.296"></a> -<span class="sourceLineNo">297</span><a name="line.297"></a> -<span class="sourceLineNo">298</span> /**<a name="line.298"></a> -<span class="sourceLineNo">299</span> * Searches for the latest value for the specified column.<a name="line.299"></a> -<span class="sourceLineNo">300</span> *<a name="line.300"></a> -<span class="sourceLineNo">301</span> * @param kvs the array to search<a name="line.301"></a> -<span class="sourceLineNo">302</span> * @param family family name<a name="line.302"></a> -<span class="sourceLineNo">303</span> * @param foffset family offset<a name="line.303"></a> -<span class="sourceLineNo">304</span> * @param flength family length<a name="line.304"></a> -<span class="sourceLineNo">305</span> * @param qualifier column qualifier<a name="line.305"></a> -<span class="sourceLineNo">306</span> * @param qoffset qualifier offset<a name="line.306"></a> -<span class="sourceLineNo">307</span> * @param qlength qualifier length<a name="line.307"></a> -<span class="sourceLineNo">308</span> *<a name="line.308"></a> -<span class="sourceLineNo">309</span> * @return the index where the value was found, or -1 otherwise<a name="line.309"></a> -<span class="sourceLineNo">310</span> */<a name="line.310"></a> -<span class="sourceLineNo">311</span> protected int binarySearch(final Cell [] kvs,<a name="line.311"></a> -<span class="sourceLineNo">312</span> final byte [] family, final int foffset, final int flength,<a name="line.312"></a> -<span class="sourceLineNo">313</span> final byte [] qualifier, final int qoffset, final int qlength) {<a name="line.313"></a> -<span class="sourceLineNo">314</span><a name="line.314"></a> -<span class="sourceLineNo">315</span> double keyValueSize = (double)<a name="line.315"></a> -<span class="sourceLineNo">316</span> KeyValue.getKeyValueDataStructureSize(kvs[0].getRowLength(), flength, qlength, 0);<a name="line.316"></a> -<span class="sourceLineNo">317</span><a name="line.317"></a> -<span class="sourceLineNo">318</span> byte[] buffer = localBuffer.get();<a name="line.318"></a> -<span class="sourceLineNo">319</span> if (buffer == null || keyValueSize > buffer.length) {<a name="line.319"></a> -<span class="sourceLineNo">320</span> // pad to the smallest multiple of the pad width<a name="line.320"></a> -<span class="sourceLineNo">321</span> buffer = new byte[(int) Math.ceil(keyValueSize / PAD_WIDTH) * PAD_WIDTH];<a name="line.321"></a> -<span class="sourceLineNo">322</span> localBuffer.set(buffer);<a name="line.322"></a> -<span class="sourceLineNo">323</span> }<a name="line.323"></a> -<span class="sourceLineNo">324</span><a name="line.324"></a> -<span class="sourceLineNo">325</span> Cell searchTerm = KeyValueUtil.createFirstOnRow(buffer, 0,<a name="line.325"></a> -<span class="sourceLineNo">326</span> kvs[0].getRowArray(), kvs[0].getRowOffset(), kvs[0].getRowLength(),<a name="line.326"></a> -<span class="sourceLineNo">327</span> family, foffset, flength,<a name="line.327"></a> -<span class="sourceLineNo">328</span> qualifier, qoffset, qlength);<a name="line.328"></a> +<span class="sourceLineNo">278</span> private byte[] notNullBytes(final byte[] bytes) {<a name="line.278"></a> +<span class="sourceLineNo">279</span> if (bytes == null) {<a name="line.279"></a> +<span class="sourceLineNo">280</span> return HConstants.EMPTY_BYTE_ARRAY;<a name="line.280"></a> +<span class="sourceLineNo">281</span> } else {<a name="line.281"></a> +<span class="sourceLineNo">282</span> return bytes;<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><a name="line.285"></a> +<span class="sourceLineNo">286</span> protected int binarySearch(final Cell [] kvs,<a name="line.286"></a> +<span class="sourceLineNo">287</span> final byte [] family,<a name="line.287"></a> +<span class="sourceLineNo">288</span> final byte [] qualifier) {<a name="line.288"></a> +<span class="sourceLineNo">289</span> byte[] familyNotNull = notNullBytes(family);<a name="line.289"></a> +<span class="sourceLineNo">290</span> byte[] qualifierNotNull = notNullBytes(qualifier);<a name="line.290"></a> +<span class="sourceLineNo">291</span> Cell searchTerm =<a name="line.291"></a> +<span class="sourceLineNo">292</span> CellUtil.createFirstOnRow(kvs[0].getRowArray(),<a name="line.292"></a> +<span class="sourceLineNo">293</span> kvs[0].getRowOffset(), kvs[0].getRowLength(),<a name="line.293"></a> +<span class="sourceLineNo">294</span> familyNotNull, 0, (byte)familyNotNull.length,<a name="line.294"></a> +<span class="sourceLineNo">295</span> qualifierNotNull, 0, qualifierNotNull.length);<a name="line.295"></a> +<span class="sourceLineNo">296</span><a name="line.296"></a> +<span class="sourceLineNo">297</span> // pos === ( -(insertion point) - 1)<a name="line.297"></a> +<span class="sourceLineNo">298</span> int pos = Arrays.binarySearch(kvs, searchTerm, CellComparator.COMPARATOR);<a name="line.298"></a> +<span class="sourceLineNo">299</span> // never will exact match<a name="line.299"></a> +<span class="sourceLineNo">300</span> if (pos < 0) {<a name="line.300"></a> +<span class="sourceLineNo">301</span> pos = (pos+1) * -1;<a name="line.301"></a> +<span class="sourceLineNo">302</span> // pos is now insertion point<a name="line.302"></a> +<span class="sourceLineNo">303</span> }<a name="line.303"></a> +<span class="sourceLineNo">304</span> if (pos == kvs.length) {<a name="line.304"></a> +<span class="sourceLineNo">305</span> return -1; // doesn't exist<a name="line.305"></a> +<span class="sourceLineNo">306</span> }<a name="line.306"></a> +<span class="sourceLineNo">307</span> return pos;<a name="line.307"></a> +<span class="sourceLineNo">308</span> }<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> * Searches for the latest value for the specified column.<a name="line.311"></a> +<span class="sourceLineNo">312</span> *<a name="line.312"></a> +<span class="sourceLineNo">313</span> * @param kvs the array to search<a name="line.313"></a> +<span class="sourceLineNo">314</span> * @param family family name<a name="line.314"></a> +<span class="sourceLineNo">315</span> * @param foffset family offset<a name="line.315"></a> +<span class="sourceLineNo">316</span> * @param flength family length<a name="line.316"></a> +<span class="sourceLineNo">317</span> * @param qualifier column qualifier<a name="line.317"></a> +<span class="sourceLineNo">318</span> * @param qoffset qualifier offset<a name="line.318"></a> +<span class="sourceLineNo">319</span> * @param qlength qualifier length<a name="line.319"></a> +<span class="sourceLineNo">320</span> *<a name="line.320"></a> +<span class="sourceLineNo">321</span> * @return the index where the value was found, or -1 otherwise<a name="line.321"></a> +<span class="sourceLineNo">322</span> */<a name="line.322"></a> +<span class="sourceLineNo">323</span> protected int binarySearch(final Cell [] kvs,<a name="line.323"></a> +<span class="sourceLineNo">324</span> final byte [] family, final int foffset, final int flength,<a name="line.324"></a> +<span class="sourceLineNo">325</span> final byte [] qualifier, final int qoffset, final int qlength) {<a name="line.325"></a> +<span class="sourceLineNo">326</span><a name="line.326"></a> +<span class="sourceLineNo">327</span> double keyValueSize = (double)<a name="line.327"></a> +<span class="sourceLineNo">328</span> KeyValue.getKeyValueDataStructureSize(kvs[0].getRowLength(), flength, qlength, 0);<a name="line.328"></a> <span class="sourceLineNo">329</span><a name="line.329"></a> -<span class="sourceLineNo">330</span> // pos === ( -(insertion point) - 1)<a name="line.330"></a> -<span class="sourceLineNo">331</span> int pos = Arrays.binarySearch(kvs, searchTerm, CellComparator.COMPARATOR);<a name="line.331"></a> -<span class="sourceLineNo">332</span> // never will exact match<a name="line.332"></a> -<span class="sourceLineNo">333</span> if (pos < 0) {<a name="line.333"></a> -<span class="sourceLineNo">334</span> pos = (pos+1) * -1;<a name="line.334"></a> -<span class="sourceLineNo">335</span> // pos is now insertion point<a name="line.335"></a> -<span class="sourceLineNo">336</span> }<a name="line.336"></a> -<span class="sourceLineNo">337</span> if (pos == kvs.length) {<a name="line.337"></a> -<span class="sourceLineNo">338</span> return -1; // doesn't exist<a name="line.338"></a> -<span class="sourceLineNo">339</span> }<a name="line.339"></a> -<span class="sourceLineNo">340</span> return pos;<a name="line.340"></a> -<span class="sourceLineNo">341</span> }<a name="line.341"></a> -<span class="sourceLineNo">342</span><a name="line.342"></a> -<span class="sourceLineNo">343</span> /**<a name="line.343"></a> -<span class="sourceLineNo">344</span> * The Cell for the most recent timestamp for a given column.<a name="line.344"></a> -<span class="sourceLineNo">345</span> *<a name="line.345"></a> -<span class="sourceLineNo">346</span> * @param family<a name="line.346"></a> -<span class="sourceLineNo">347</span> * @param qualifier<a name="line.347"></a> -<span class="sourceLineNo">348</span> *<a name="line.348"></a> -<span class="sourceLineNo">349</span> * @return the Cell for the column, or null if no value exists in the row or none have been<a name="line.349"></a> -<span class="sourceLineNo">350</span> * selected in the query (Get/Scan)<a name="line.350"></a> -<span class="sourceLineNo">351</span> */<a name="line.351"></a> -<span class="sourceLineNo">352</span> public Cell getColumnLatestCell(byte [] family, byte [] qualifier) {<a name="line.352"></a> -<span class="sourceLineNo">353</span> Cell [] kvs = rawCells(); // side effect possibly.<a name="line.353"></a> -<span class="sourceLineNo">354</span> if (kvs == null || kvs.length == 0) {<a name="line.354"></a> -<span class="sourceLineNo">355</span> return null;<a name="line.355"></a> -<span class="sourceLineNo">356</span> }<a name="line.356"></a> -<span class="sourceLineNo">357</span> int pos = binarySearch(kvs, family, qualifier);<a name="line.357"></a> -<span class="sourceLineNo">358</span> if (pos == -1) {<a name="line.358"></a> -<span class="sourceLineNo">359</span> return null;<a name="line.359"></a> -<span class="sourceLineNo">360</span> }<a name="line.360"></a> -<span class="sourceLineNo">361</span> if (CellUtil.matchingColumn(kvs[pos], family, qualifier)) {<a name="line.361"></a> -<span class="sourceLineNo">362</span> return kvs[pos];<a name="line.362"></a> -<span class="sourceLineNo">363</span> }<a name="line.363"></a> -<span class="sourceLineNo">364</span> return null;<a name="line.364"></a> -<span class="sourceLineNo">365</span> }<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> * The Cell for the most recent timestamp for a given column.<a name="line.368"></a> -<span class="sourceLineNo">369</span> *<a name="line.369"></a> -<span class="sourceLineNo">370</span> * @param family family name<a name="line.370"></a> -<span class="sourceLineNo">371</span> * @param foffset family offset<a name="line.371"></a> -<span class="sourceLineNo">372</span> * @param flength family length<a name="line.372"></a> -<span class="sourceLineNo">373</span> * @param qualifier column qualifier<a name="line.373"></a> -<span class="sourceLineNo">374</span> * @param qoffset qualifier offset<a name="line.374"></a> -<span class="sourceLineNo">375</span> * @param qlength qualifier length<a name="line.375"></a> -<span class="sourceLineNo">376</span> *<a name="line.376"></a> -<span class="sourceLineNo">377</span> * @return the Cell for the column, or null if no value exists in the row or none have been<a name="line.377"></a> -<span class="sourceLineNo">378</span> * selected in the query (Get/Scan)<a name="line.378"></a> -<span class="sourceLineNo">379</span> */<a name="line.379"></a> -<span class="sourceLineNo">380</span> public Cell getColumnLatestCell(byte [] family, int foffset, int flength,<a name="line.380"></a> -<span class="sourceLineNo">381</span> byte [] qualifier, int qoffset, int qlength) {<a name="line.381"></a> -<span class="sourceLineNo">382</span><a name="line.382"></a> -<span class="sourceLineNo">383</span> Cell [] kvs = rawCells(); // side effect possibly.<a name="line.383"></a> -<span class="sourceLineNo">384</span> if (kvs == null || kvs.length == 0) {<a name="line.384"></a> -<span class="sourceLineNo">385</span> return null;<a name="line.385"></a> -<span class="sourceLineNo">386</span> }<a name="line.386"></a> -<span class="sourceLineNo">387</span> int pos = binarySearch(kvs, family, foffset, flength, qualifier, qoffset, qlength);<a name="line.387"></a> -<span class="sourceLineNo">388</span> if (pos == -1) {<a name="line.388"></a> -<span class="sourceLineNo">389</span> return null;<a name="line.389"></a> -<span class="sourceLineNo">390</span> }<a name="line.390"></a> -<span class="sourceLineNo">391</span> if (CellUtil.matchingColumn(kvs[pos], family, foffset, flength, qualifier, qoffset, qlength)) {<a name="line.391"></a> -<span class="sourceLineNo">392</span> return kvs[pos];<a name="line.392"></a> -<span class="sourceLineNo">393</span> }<a name="line.393"></a> -<span class="sourceLineNo">394</span> return null;<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> /**<a name="line.397"></a> -<span class="sourceLineNo">398</span> * Get the latest version of the specified column.<a name="line.398"></a> -<span class="sourceLineNo">399</span> * Note: this call clones the value content of the hosting Cell. See<a name="line.399"></a> -<span class="sourceLineNo">400</span> * {@link #getValueAsByteBuffer(byte[], byte[])}, etc., or {@link #listCells()} if you would<a name="line.400"></a> -<span class="sourceLineNo">401</span> * avoid the cloning.<a name="line.401"></a> -<span class="sourceLineNo">402</span> * @param family family name<a name="line.402"></a> -<span class="sourceLineNo">403</span> * @param qualifier column qualifier<a name="line.403"></a> -<span class="sourceLineNo">404</span> * @return value of latest version of column, null if none found<a name="line.404"></a> -<span class="sourceLineNo">405</span> */<a name="line.405"></a> -<span class="sourceLineNo">406</span> public byte[] getValue(byte [] family, byte [] qualifier) {<a name="line.406"></a> -<span class="sourceLineNo">407</span> Cell kv = getColumnLatestCell(family, qualifier);<a name="line.407"></a> -<span class="sourceLineNo">408</span> if (kv == null) {<a name="line.408"></a> -<span class="sourceLineNo">409</span> return null;<a name="line.409"></a> -<span class="sourceLineNo">410</span> }<a name="line.410"></a> -<span class="sourceLineNo">411</span> return CellUtil.cloneValue(kv);<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> * Returns the value wrapped in a new <code>ByteBuffer</code>.<a name="line.415"></a> -<span class="sourceLineNo">416</span> *<a name="line.416"></a> -<span class="sourceLineNo">417</span> * @param family family name<a name="line.417"></a> -<span class="sourceLineNo">418</span> * @param qualifier column qualifier<a name="line.418"></a> -<span class="sourceLineNo">419</span> *<a name="line.419"></a> -<span class="sourceLineNo">420</span> * @return the latest version of the column, or <code>null</code> if none found<a name="line.420"></a> -<span class="sourceLineNo">421</span> */<a name="line.421"></a> -<span class="sourceLineNo">422</span> public ByteBuffer getValueAsByteBuffer(byte [] family, byte [] qualifier) {<a name="line.422"></a> -<span class="sourceLineNo">423</span><a name="line.423"></a> -<span class="sourceLineNo">424</span> Cell kv = getColumnLatestCell(family, 0, family.length, qualifier, 0, qualifier.length);<a name="line.424"></a> +<span class="sourceLineNo">330</span> byte[] buffer = localBuffer.get();<a name="line.330"></a> +<span class="sourceLineNo">331</span> if (buffer == null || keyValueSize > buffer.length) {<a name="line.331"></a> +<span class="sourceLineNo">332</span> // pad to the smallest multiple of the pad width<a name="line.332"></a> +<span class="sourceLineNo">333</span> buffer = new byte[(int) Math.ceil(keyValueSize / PAD_WIDTH) * PAD_WIDTH];<a name="line.333"></a> +<span class="sourceLineNo">334</span> localBuffer.set(buffer);<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> Cell searchTerm = KeyValueUtil.createFirstOnRow(buffer, 0,<a name="line.337"></a> +<span class="sourceLineNo">338</span> kvs[0].getRowArray(), kvs[0].getRowOffset(), kvs[0].getRowLength(),<a name="line.338"></a> +<span class="sourceLineNo">339</span> family, foffset, flength,<a name="line.339"></a> +<span class="sourceLineNo">340</span> qualifier, qoffset, qlength);<a name="line.340"></a> +<span class="sourceLineNo">341</span><a name="line.341"></a> +<span class="sourceLineNo">342</span> // pos === ( -(insertion point) - 1)<a name="line.342"></a> +<span class="sourceLineNo">343</span> int pos = Arrays.binarySearch(kvs, searchTerm, CellComparator.COMPARATOR);<a name="line.343"></a> +<span class="sourceLineNo">344</span> // never will exact match<a name="line.344"></a> +<span class="sourceLineNo">345</span> if (pos < 0) {<a name="line.345"></a> +<span class="sourceLineNo">346</span> pos = (pos+1) * -1;<a name="line.346"></a> +<span class="sourceLineNo">347</span> // pos is now insertion point<a name="line.347"></a> +<span class="sourceLineNo">348</span> }<a name="line.348"></a> +<span class="sourceLineNo">349</span> if (pos == kvs.length) {<a name="line.349"></a> +<span class="sourceLineNo">350</span> return -1; // doesn't exist<a name="line.350"></a> +<span class="sourceLineNo">351</span> }<a name="line.351"></a> +<span class="sourceLineNo">352</span> return pos;<a name="line.352"></a> +<span class="sourceLineNo">353</span> }<a name="line.353"></a> +<span class="sourceLineNo">354</span><a name="line.354"></a> +<span class="sourceLineNo">355</span> /**<a name="line.355"></a> +<span class="sourceLineNo">356</span> * The Cell for the most recent timestamp for a given column.<a name="line.356"></a> +<span class="sourceLineNo">357</span> *<a name="line.357"></a> +<span class="sourceLineNo">358</span> * @param family<a name="line.358"></a> +<span class="sourceLineNo">359</span> * @param qualifier<a name="line.359"></a> +<span class="sourceLineNo">360</span> *<a name="line.360"></a> +<span class="sourceLineNo">361</span> * @return the Cell for the column, or null if no value exists in the row or none have been<a name="line.361"></a> +<span class="sourceLineNo">362</span> * selected in the query (Get/Scan)<a name="line.362"></a> +<span class="sourceLineNo">363</span> */<a name="line.363"></a> +<span class="sourceLineNo">364</span> public Cell getColumnLatestCell(byte [] family, byte [] qualifier) {<a name="line.364"></a> +<span class="sourceLineNo">365</span> Cell [] kvs = rawCells(); // side effect possibly.<a name="line.365"></a> +<span class="sourceLineNo">366</span> if (kvs == null || kvs.length == 0) {<a name="line.366"></a> +<span class="sourceLineNo">367</span> return null;<a name="line.367"></a> +<span class="sourceLineNo">368</span> }<a name="line.368"></a> +<span class="sourceLineNo">369</span> int pos = binarySearch(kvs, family, qualifier);<a name="line.369"></a> +<span class="sourceLineNo">370</span> if (pos == -1) {<a name="line.370"></a> +<span class="sourceLineNo">371</span> return null;<a name="line.371"></a> +<span class="sourceLineNo">372</span> }<a name="line.372"></a> +<span class="sourceLineNo">373</span> if (CellUtil.matchingColumn(kvs[pos], family, qualifier)) {<a name="line.373"></a> +<span class="sourceLineNo">374</span> return kvs[pos];<a name="line.374"></a> +<span class="sourceLineNo">375</span> }<a name="line.375"></a> +<span class="sourceLineNo">376</span> return null;<a name="line.376"></a> +<span class="sourceLineNo">377</span> }<a name="line.377"></a> +<span class="sourceLineNo">378</span><a name="line.378"></a> +<span class="sourceLineNo">379</span> /**<a name="line.379"></a> +<span class="sourceLineNo">380</span> * The Cell for the most recent timestamp for a given column.<a name="line.380"></a> +<span class="sourceLineNo">381</span> *<a name="line.381"></a> +<span class="sourceLineNo">382</span> * @param family family name<a name="line.382"></a> +<span class="sourceLineNo">383</span> * @param foffset family offset<a name="line.383"></a> +<span class="sourceLineNo">384</span> * @param flength family length<a name="line.384"></a> +<span class="sourceLineNo">385</span> * @param qualifier column qualifier<a name="line.385"></a> +<span class="sourceLineNo">386</span> * @param qoffset qualifier offset<a name="line.386"></a> +<span class="sourceLineNo">387</span> * @param qlength qualifier length<a name="line.387"></a> +<span class="sourceLineNo">388</span> *<a name="line.388"></a> +<span class="sourceLineNo">389</span> * @return the Cell for the column, or null if no value exists in the row or none have been<a name="line.389"></a> +<span class="sourceLineNo">390</span> * selected in the query (Get/Scan)<a name="line.390"></a> +<span class="sourceLineNo">391</span> */<a name="line.391"></a> +<span class="sourceLineNo">392</span> public Cell getColumnLatestCell(byte [] family, int foffset, int flength,<a name="line.392"></a> +<span class="sourceLineNo">393</span> byte [] qualifier, int qoffset, int qlength) {<a name="line.393"></a> +<span class="sourceLineNo">394</span><a name="line.394"></a> +<span class="sourceLineNo">395</span> Cell [] kvs = rawCells(); // side effect possibly.<a name="line.395"></a> +<span class="sourceLineNo">396</span> if (kvs == null || kvs.length == 0) {<a name="line.396"></a> +<span class="sourceLineNo">397</span> return null;<a name="line.397"></a> +<span class="sourceLineNo">398</span> }<a name="line.398"></a> +<span class="sourceLineNo">399</span> int pos = binarySearch(kvs, family, foffset, flength, qualifier, qoffset, qlength);<a name="line.399"></a> +<span class="sourceLineNo">400</span> if (pos == -1) {<a name="line.400"></a> +<span class="sourceLineNo">401</span> return null;<a name="line.401"></a> +<span class="sourceLineNo">402</span> }<a name="line.402"></a> +<span class="sourceLineNo">403</span> if (CellUtil.matchingColumn(kvs[pos], family, foffset, flength, qualifier, qoffset, qlength)) {<a name="line.403"></a> +<span class="sourceLineNo">404</span> return kvs[pos];<a name="line.404"></a> +<span class="sourceLineNo">405</span> }<a name="line.405"></a> +<span class="sourceLineNo">406</span> return null;<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> * Get the latest version of the specified column.<a name="line.410"></a> +<span class="sourceLineNo">411</span> * Note: this call clones the value content of the hosting Cell. See<a name="line.411"></a> +<span class="sourceLineNo">412</span> * {@link #getValueAsByteBuffer(byte[], byte[])}, etc., or {@link #listCells()} if you would<a name="line.412"></a> +<span class="sourceLineNo">413</span> * avoid the cloning.<a name="line.413"></a> +<span class="sourceLineNo">414</span> * @param family family name<a name="line.414"></a> +<span class="sourceLineNo">415</span> * @param qualifier column qualifier<a name="line.415"></a> +<span class="sourceLineNo">416</span> * @return value of latest version of column, null if none found<a name="line.416"></a> +<span class="sourceLineNo">417</span> */<a name="line.417"></a> +<span class="sourceLineNo">418</span> public byte[] getValue(byte [] family, byte [] qualifier) {<a name="line.418"></a> +<span class="sourceLineNo">419</span> Cell kv = getColumnLatestCell(family, qualifier);<a name="line.419"></a> +<span class="sourceLineNo">420</span> if (kv == null) {<a name="line.420"></a> +<span class="sourceLineNo">421</span> return null;<a name="line.421"></a> +<span class="sourceLineNo">422</span> }<a name="line.422"></a> +<span class="sourceLineNo">423</span> return CellUtil.cloneValue(kv);<a name="line.423"></a> +<span class="sourceLineNo">424</span> }<a name="line.424"></a> <span class="sourceLineNo">425</span><a name="line.425"></a> -<span class="sourceLineNo">426</span> if (kv == null) {<a name="line.426"></a> -<span class="sourceLineNo">427</span> return null;<a name="line.427"></a> -<span class="sourceLineNo">428</span> }<a name="line.428"></a> -<span class="sourceLineNo">429</span> return ByteBuffer.wrap(kv.getValueArray(), kv.getValueOffset(), kv.getValueLength()).<a name="line.429"></a> -<span class="sourceLineNo">430</span> asReadOnlyBuffer();<a name="line.430"></a> -<span class="sourceLineNo">431</span> }<a name="line.431"></a> -<span class="sourceLineNo">432</span><a name="line.432"></a> -<span class="sourceLineNo">433</span> /**<a name="line.433"></a> -<span class="sourceLineNo">434</span> * Returns the value wrapped in a new <code>ByteBuffer</code>.<a name="line.434"></a> -<span class="sourceLineNo">435</span> *<a name="line.435"></a> -<span class="sourceLineNo">436</span> * @param family family name<a name="line.436"></a> -<span class="sourceLineNo">437</span> * @param foffset family offset<a name="line.437"></a> -<span class="sourceLineNo">438</span> * @param flength family length<a name="line.438"></a> -<span class="sourceLineNo">439</span> * @param qualifier column qualifier<a name="line.439"></a> -<span class="sourceLineNo">440</span> * @param qoffset qualifier offset<a name="line.440"></a> -<span class="sourceLineNo">441</span> * @param qlength qualifier length<a name="line.441"></a> -<span class="sourceLineNo">442</span> *<a name="line.442"></a> -<span class="sourceLineNo">443</span> * @return the latest version of the column, or <code>null</code> if none found<a name="line.443"></a> -<span class="sourceLineNo">444</span> */<a name="line.444"></a> -<span class="sourceLineNo">445</span> public ByteBuffer getValueAsByteBuffer(byte [] family, int foffset, int flength,<a name="line.445"></a> -<span class="sourceLineNo">446</span> byte [] qualifier, int qoffset, int qlength) {<a name="line.446"></a> -<span class="sourceLineNo">447</span><a name="line.447"></a> -<span class="sourceLineNo">448</span> Cell kv = getColumnLatestCell(family, foffset, flength, qualifier, qoffset, qlength);<a name="line.448"></a> -<span class="sourceLineNo">449</span><a name="line.449"></a> -<span class="sourceLineNo">450</span> if (kv == null) {<a name="line.450"></a> -<span class="sourceLineNo">451</span> return null;<a name="line.451"></a> -<span class="sourceLineNo">452</span> }<a name="line.452"></a> -<span class="sourceLineNo">453</span> return ByteBuffer.wrap(kv.getValueArray(), kv.getValueOffset(), kv.getValueLength()).<a name="line.453"></a> -<span class="sourceLineNo">454</span> asReadOnlyBuffer();<a name="line.454"></a> -<span class="sourceLineNo">455</span> }<a name="line.455"></a> -<span class="sourceLineNo">456</span><a name="line.456"></a> -<span class="sourceLineNo">457</span> /**<a name="line.457"></a> -<span class="sourceLineNo">458</span> * Loads the latest version of the specified column into the provided <code>ByteBuffer</code>.<a name="line.458"></a> -<span class="sourceLineNo">459</span> * <p><a name="line.459"></a> -<span class="sourceLineNo">460</span> * Does not clear or flip the buffer.<a name="line.460"></a> -<span class="sourceLineNo">461</span> *<a name="line.461"></a> -<span class="sourceLineNo">462</span> * @param family family name<a name="line.462"></a> -<span class="sourceLineNo">463</span> * @param qualifier column qualifier<a name="line.463"></a> -<span class="sourceLineNo">464</span> * @param dst the buffer where to write the value<a name="line.464"></a> -<span class="sourceLineNo">465</span> *<a name="line.465"></a> -<span class="sourceLineNo">466</span> * @return <code>true</code> if a value was found, <code>false</code> otherwise<a name="line.466"></a> -<span class="sourceLineNo">467</span> *<a name="line.467"></a> -<span class="sourceLineNo">468</span> * @throws BufferOverflowException there is insufficient space remaining in the buffer<a name="line.468"></a> -<span class="sourceLineNo">469</span> */<a name="line.469"></a> -<span class="sourceLineNo">470</span> public boolean loadValue(byte [] family, byte [] qualifier, ByteBuffer dst)<a name="line.470"></a> -<span class="sourceLineNo">471</span> throws BufferOverflowException {<a name="line.471"></a> -<span class="sourceLineNo">472</span> return loadValue(family, 0, family.length, qualifier, 0, qualifier.length, dst);<a name="line.472"></a> -<span class="sourceLineNo">473</span> }<a name="line.473"></a> -<span class="sourceLineNo">474</span><a name="line.474"></a> -<span class="sourceLineNo">475</span> /**<a name="line.475"></a> -<span class="sourceLineNo">476</span> * Loads the latest version of the specified column into the provided <code>ByteBuffer</code>.<a name="line.476"></a> -<span class="sourceLineNo">477</span> * <p><a name="line.477"></a> -<span class="sourceLineNo">478</span> * Does not clear or flip the buffer.<a name="line.478"></a> +<span class="sourceLineNo">426</span> /**<a name="line.426"></a> +<span class="sourceLineNo">427</span> * Returns the value wrapped in a new <code>ByteBuffer</code>.<a name="line.427"></a> +<span class="sourceLineNo">428</span> *<a name="line.428"></a> +<span class="sourceLineNo">429</span> * @param family family name<a name="line.429"></a> +<span class="sourceLineNo">430</span> * @param qualifier column qualifier<a name="line.430"></a> +<span class="sourceLineNo">431</span> *<a name="line.431"></a> +<span class="sourceLineNo">432</span> * @return the latest version of the column, or <code>null</code> if none found<a name="line.432"></a> +<span class="sourceLineNo">433</span> */<a name="line.433"></a> +<span class="sourceLineNo">434</span> public ByteBuffer getValueAsByteBuffer(byte [] family, byte [] qualifier) {<a name="line.434"></a> +<span class="sourceLineNo">435</span><a name="line.435"></a> +<span class="sourceLineNo">436</span> Cell kv = getColumnLatestCell(family, 0, family.length, qualifier, 0, qualifier.length);<a name="line.436"></a> +<span class="sourceLineNo">437</span><a name="line.437"></a> +<span class="sourceLineNo">438</span> if (kv == null) {<a name="line.438"></a> +<span class="sourceLineNo">439</span> return null;<a name="line.439"></a> +<span class="sourceLineNo">440</span> }<a name="line.440"></a> +<span class="sourceLineNo">441</span> return ByteBuffer.wrap(kv.getValueArray(), kv.getValueOffset(), kv.getValueLength()).<a name="line.441"></a> +<span class="sourceLineNo">442</span> asReadOnlyBuffer();<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> * Returns the value wrapped in a new <code>ByteBuffer</code>.<a name="line.446"></a> +<span class="sourceLineNo">447</span> *<a name="line.447"></a> +<span class="sourceLineNo">448</span> * @param family family name<a name="line.448"></a> +<span class="sourceLineNo">449</span> * @param foffset family offset<a name="line.449"></a> +<span class="sourceLineNo">450</span> * @param flength family length<a name="line.450"></a> +<span class="sourceLineNo">451</span> * @param qualifier column qualifier<a name="line.451"></a> +<span class="sourceLineNo">452</span> * @param qoffset qualifier offset<a name="line.452"></a> +<span class="sourceLineNo">453</span> * @param qlength qualifier length<a name="line.453"></a> +<span class="sourceLineNo">454</span> *<a name="line.454"></a> +<span class="sourceLineNo">455</span> * @return the latest version of the column, or <code>null</code> if none found<a name="line.455"></a> +<span class="sourceLineNo">456</span> */<a name="line.456"></a> +<span class="sourceLineNo">457</span> public ByteBuffer getValueAsByteBuffer(byte [] family, int foffset, int flength,<a name="line.457"></a> +<span class="sourceLineNo">458</span> byte [] qualifier, int qoffset, int qlength) {<a name="line.458"></a> +<span class="sourceLineNo">459</span><a name="line.459"></a> +<span class="sourceLineNo">460</span> Cell kv = getColumnLatestCell(family, foffset, flength, qualifier, qoffset, qlength);<a name="line.460"></a> +<span class="sourceLineNo">461</span><a name="line.461"></a> +<span class="sourceLineNo">462</span> if (kv == null) {<a name="line.462"></a> +<span class="sourceLineNo">463</span> return null;<a name="line.463"></a> +<span class="sourceLineNo">464</span> }<a name="line.464"></a> +<span class="sourceLineNo">465</span> return ByteBuffer.wrap(kv.getValueArray(), kv.getValueOffset(), kv.getValueLength()).<a name="line.465"></a> +<span class="sourceLineNo">466</span> asReadOnlyBuffer();<a name="line.466"></a> +<span class="sourceLineNo">467</span> }<a name="line.467"></a> +<span class="sourceLineNo">468</span><a name="line.468"></a> +<span class="sourceLineNo">469</span> /**<a name="line.469"></a> +<span class="sourceLineNo">470</span> * Loads the latest version of the specified column into the provided <code>ByteBuffer</code>.<a name="line.470"></a> +<span class="sourceLineNo">471</span> * <p><a name="line.471"></a> +<span class="sourceLineNo">472</span> * Does not clear or flip the buffer.<a name="line.472"></a> +<span class="sourceLineNo">473</span> *<a name="line.473"></a> +<span class="sourceLineNo">474</span> * @param family family name<a name="line.474"></a> +<span class="sourceLineNo">475</span> * @param qualifier column qualifier<a name="line.475"></a> +<span class="sourceLineNo">476</span> * @param dst the buffer where to write the value<a name="line.476"></a> +<span class="sourceLineNo">477</span> *<a name="line.477"></a> +<span class="sourceLineNo">478</span> * @return <code>true</code> if a value was found, <code>false</code> otherwise<a name="line.478"></a> <span class="sourceLineNo">479</span> *<a name="line.479"></a> -<span class="sourceLineNo">480</span> * @param family family name<a name="line.480"></a> -<span class="sourceLineNo">481</span> * @param foffset family offset<a name="line.481"></a> -<span class="sourceLineNo">482</span> * @param flength family length<a name="line.482"></a> -<span class="sourceLineNo">483</span> * @param qualifier column qualifier<a name="line.483"></a> -<span class="sourceLineNo">484</span> * @param qoffset qualifier offset<a name="line.484"></a> -<span class="sourceLineNo">485</span> * @param qlength qualifier length<a name="line.485"></a> -<span class="sourceLineNo">486</span> * @param dst the buffer where to write the value<a name="line.486"></a> -<span class="sourceLineNo">487</span> *<a name="line.487"></a> -<span class="sourceLineNo">488</span> * @return <code>true</code> if a value was found, <code>false</code> otherwise<a name="line.488"></a> -<span class="sourceLineNo">489</span> *<a name="line.489"></a> -<span class="sourceLineNo">490</span> * @throws BufferOverflowException there is insufficient space remaining in the buffer<a name="line.490"></a> -<span class="sourceLineNo">491</span> */<a name="line.491"></a> -<span class="sourceLineNo">492</span> public boolean loadValue(byte [] family, int foffset, int flength,<a name="line.492"></a> -<span class="sourceLineNo">493</span> byte [] qualifier, int qoffset, int qlength, ByteBuffer dst)<a name="line.493"></a> -<span class="sourceLineNo">494</span> throws BufferOverflowException {<a name="line.494"></a> -<span class="sourceLineNo">495</span> Cell kv = getColumnLatestCell(family, foffset, flength, qualifier, qoffset, qlength);<a name="line.495"></a> -<span class="sourceLineNo">496</span><a name="line.496"></a> -<span class="sourceLineNo">497</span> if (kv == null) {<a name="line.497"></a> -<span class="sourceLineNo">498</span> return false;<a name="line.498"></a> -<span class="sourceLineNo">499</span> }<a name="line.499"></a> -<span class="sourceLineNo">500</span> dst.put(kv.getValueArray(), kv.getValueOffset(), kv.getValueLength());<a name="line.500"></a> -<span class="sourceLineNo">501</span> return true;<a name="line.501"></a> -<span class="sourceLineNo">502</span> }<a name="line.502"></a> -<span class="sourceLineNo">503</span><a name="line.503"></a> -<span class="sourceLineNo">504</span> /**<a name="line.504"></a> -<span class="sourceLineNo">505</span> * Checks if the specified column contains a non-empty value (not a zero-length byte array).<a name="line.505"></a> -<span class="sourceLineNo">506</span> *<a name="line.506"></a> -<span class="sourceLineNo">507</span> * @param family family name<a name="line.507"></a> -<span class="sourceLineNo">508</span> * @param qualifier column qualifier<a name="line.508"></a> -<span class="sourceLineNo">509</span> *<a name="line.509"></a> -<span class="sourceLineNo">510</span> * @return whether or not a latest value exists and is not empty<a name="line.510"></a> -<span class="sourceLineNo">511</span> */<a name="line.511"></a> -<span class="sourceLineNo">512</span> public boolean containsNonEmptyColumn(byte [] family, byte [] qualifier) {<a name="line.512"></a> -<span class="sourceLineNo">513</span><a name="line.513"></a> -<span class="sourceLineNo">514</span> return containsNonEmptyColumn(family, 0, family.length, qualifier, 0, qualifier.length);<a name="line.514"></a> -<span class="sourceLineNo">515</span> }<a name="line.515"></a> -<span class="sourceLineNo">516</span><a name="line.516"></a> -<span class="sourceLineNo">517</span> /**<a name="line.517"></a> -<span class="sourceLineNo">518</span> * Checks if the specified column contains a non-empty value (not a zero-length byte array).<a name="line.518"></a> -<span class="sourceLineNo">519</span> *<a name="line.519"></a> -<span class="sourceLineNo">520</span> * @param family family name<a name="line.520"></a> -<span class="sourceLineNo">521</span> * @param foffset family offset<a name="line.521"></a> -<span class="sourceLineNo">522</span> * @param flength family length<a name="line.522"></a> -<span class="sourceLineNo">523</span> * @param qualifier column qualifier<a name="line.523"></a> -<span class="sourceLineNo">524</span> * @param qoffset qualifier offset<a name="line.524"></a> -<span class="sourceLineNo">525</span> * @param qlength qualifier length<a name="line.525"></a> -<span class="sourceLineNo">526</span> *<a name="line.526"></a> -<span class="sourceLineNo">527</span> * @return whether or not a latest value exists and is not empty<a name="line.527"></a> -<span class="sourceLineNo">528</span> */<a name="line.528"></a> -<span class="sourceLineNo">529</span> public boolean containsNonEmptyColumn(byte [] family, int foffset, int flength,<a name="line.529"></a> -<span class="sourceLineNo">530</span> byte [] qualifier, int qoffset, int qlength) {<a name="line.530"></a> -<span class="sourceLineNo">531</span><a name="line.531"></a> -<span class="sourceLineNo">532</span> Cell kv = getColumnLatestCell(family, foffset, flength, qualifier, qoffset, qlength);<a name="line.532"></a> -<span class="sourceLineNo">533</span><a name="line.533"></a> -<span class="sourceLineNo">534</span> return (kv != null) && (kv.getValueLength() > 0);<a name="line.534"></a> -<span class="sourceLineNo">535</span> }<a name="line.535"></a> -<span class="sourceLineNo">536</span><a name="line.536"></a> -<span class="sourceLineNo">537</span> /**<a name="line.537"></a> -<span class="sourceLineNo">538</span> * Checks if the specified column contains an empty value (a zero-length byte array).<a name="line.538"></a> -<span class="sourceLineNo">539</span> *<a name="line.539"></a> -<span class="sourceLineNo">540</span> * @param family family name<a 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value (a zero-length byte array).<a name="line.551"></a> -<span class="sourceLineNo">552</span> *<a name="line.552"></a> -<span class="sourceLineNo">553</span> * @param family family name<a name="line.553"></a> -<span class="sourceLineNo">554</span> * @param foffset family offset<a name="line.554"></a> -<span class="sourceLineNo">555</span> * @param flength family length<a name="line.555"></a> -<span class="sourceLineNo">556</span> * @param qualifier column qualifier<a name="line.556"></a> -<span class="sourceLineNo">557</span> * @param qoffset qualifier offset<a name="line.557"></a> -<span class="sourceLineNo">558</span> * @param qlength qualifier length<a name="line.558"></a> -<span class="sourceLineNo">559</span> *<a name="line.559"></a> -<span class="sourceLineNo">560</span> * @return whether or not a latest value exists and is empty<a name="line.560"></a> -<span class="sourceLineNo">561</span> */<a name="line.561"></a> -<span class="sourceLineNo">562</span> public boolean 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class="sourceLineNo">481</span> */<a name="line.481"></a> +<span class="sourceLineNo">482</span> public boolean loadValue(byte [] family, byte [] qualifier, ByteBuffer dst)<a name="line.482"></a> +<span class="sourceLineNo">483</span> throws BufferOverflowException {<a name="line.483"></a> +<span class="sourceLineNo">484</span> return loadValue(family, 0, family.length, qualifier, 0, qualifier.length, dst);<a name="line.484"></a> +<span class="sourceLineNo">485</span> }<a name="line.485"></a> +<span class="sourceLineNo">486</span><a name="line.486"></a> +<span class="sourceLineNo">487</span> /**<a name="line.487"></a> +<span class="sourceLineNo">488</span> * Loads the latest version of the specified column into the provided <code>ByteBuffer</code>.<a name="line.488"></a> +<span class="sourceLineNo">489</span> * <p><a name="line.489"></a> +<span class="sourceLineNo">490</span> * Does not clear or flip the buffer.<a name="line.490"></a> +<span class="sourceLineNo">491</span> *<a 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class="sourceLineNo">502</span> * @throws BufferOverflowException there is insufficient space remaining in the buffer<a name="line.502"></a> +<span class="sourceLineNo">503</span> */<a name="line.503"></a> +<span class="sourceLineNo">504</span> public boolean loadValue(byte [] family, int foffset, int flength,<a name="line.504"></a> +<span class="sourceLineNo">505</span> byte [] qualifier, int qoffset, int qlength, ByteBuffer dst)<a name="line.505"></a> +<span class="sourceLineNo">506</span> throws BufferOverflowException {<a name="line.506"></a> +<span class="sourceLineNo">507</span> Cell kv = getColumnLatestCell(family, foffset, flength, qualifier, qoffset, qlength);<a name="line.507"></a> +<span class="sourceLineNo">508</span><a name="line.508"></a> +<span class="sourceLineNo">509</span> if (kv == null) {<a name="line.509"></a> +<span class="sourceLineNo">510</span> return false;<a name="line.510"></a> +<span class="sourceLineNo">511</span> }<a name="line.511"></a> +<span class="sourceLineNo">512</span> dst.put(kv.getValueArray(), kv.getValueOffset(), kv.getValueLength());<a name="line.512"></a> +<span class="sourceLineNo">513</span> return true;<a name="line.513"></a> +<span class="sourceLineNo">514</span> }<a name="line.514"></a> +<span class="sourceLineNo">515</span><a name="line.515"></a> +<span class="sourceLineNo">516</span> /**<a name="line.516"></a> +<span class="sourceLineNo">517</span> * Checks if the specified column contains a non-empty value (not a zero-length byte array).<a name="line.517"></a> +<span class="sourceLineNo">518</span> *<a name="line.518"></a> +<span class="sourceLineNo">519</span> * @param family family name<a name="line.519"></a> +<span class="sourceLineNo">520</span> * @param qualifier column qualifier<a name="line.520"></a> +<span class="sourceLineNo">521</span> *<a name="line.521"></a> +<span class="sourceLineNo">522</span> * @return whether or not a latest value exists and is not empty<a name="line.522"></a> +<span class="sourceLineNo">523</span> */<a name="line.523"></a> +<span class="sourceLineNo">524</span> public boolean containsNonEmptyColumn(byte [] family, byte [] qualifier) {<a name="line.524"></a> +<span class="sourceLineNo">525</span><a name="line.525"></a> +<span class="sourceLineNo">526</span> return containsNonEmptyColumn(family, 0, family.length, qualifier, 0, qualifier.length);<a name="line.526"></a> +<span class="sourceLineNo">527</span> }<a name="line.527"></a> +<span class="sourceLineNo">528</span><a name="line.528"></a> +<span class="sourceLineNo">529</span> /**<a name="line.529"></a> +<span class="sourceLineNo">530</span> * Checks if the specified column contains a non-empty value (not a zero-length byte array).<a name="line.530"></a> +<span class="sourceLineNo">531</span> *<a name="line.531"></a> +<span class="sourceLineNo">532</span> * @param family family name<a name="line.532"></a> +<span class="sourceLineNo">533</span> * @param foffset family offset<a name="line.533"></a> +<span class="sourceLineNo">534</span> * @param flength family length<a name="line.534"></a> +<span class="sourceLineNo">535</span> * @param qualifier column qualifier<a name="line.535"></a> +<span class="sourceLineNo">536</span> * @param qoffset qualifier offset<a name="line.536"></a> +<span class="sourceLineNo">537</span> * @param qlength qualifier length<a name="line.537"></a> +<span class="sourceLineNo">538</span> *<a name="line.538"></a> +<span class="sourceLineNo">539</span> * @return whether or not a latest value exists and is not empty<a name="line.539"></a> +<span class="sourceLineNo">540</span> */<a name="line.540"></a> +<span class="sourceLineNo">541</span> public boolean containsNonEmptyColumn(byte [] family, int foffset, int flength,<a name="line.541"></a> +<span class="sourceLineNo">542</span> byte [] qualifier, int qoffset, int qlength) {<a name="line.542"></a> +<span class="sourceLineNo">543</span><a name="line.543"></a> +<span class="sourceLineNo">544</span> Cell kv = getColumnLatestCell(family, foffset, flength, qualifier, qoffset, qlength);<a name="line.544"></a> +<span class="sourceLineNo">545</span><a name="line.545"></a> +<span class="sourceLineNo">546</span> return (kv != null) && (kv.getValueLength() > 0);<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> * Checks if the specified column contains an empty value (a zero-length byte array).<a name="line.550"></a> +<span class="sourceLineNo">551</span> *<a name="line.551"></a> +<span class="sourceLineNo">552</span> * @param family family name<a name="line.552"></a> +<span class="sourceLineNo">553</span> * @param qualifier column qualifier<a name="line.553"></a> +<span class="sourceLineNo">554</span> *<a name="line.554"></a> +<span class="sourceLineNo">555</span> * @return whether or not a latest value exists and is empty<a name="line.555"></a> +<span class="sourceLineNo">556</span> */<a name="line.556"></a> +<span class="sourceLineNo">557</span> public boolean containsEmptyColumn(byte [] family, byte [] qualifier) {<a name="line.557"></a> +<span class="sourceLineNo">558</span><a name="line.558"></a> +<span class="sourceLineNo">559</span> return containsEmptyColumn(family, 0, family.length, qualifier, 0, qualifier.length);<a name="line.559"></a> +<span class="sourceLineNo">560</span> }<a name="line.560"></a> +<span class="sourceLineNo">561</span><a name="line.561"></a> +<span class="sourceLineNo">562</span> /**<a name="line.562"></a> +<span class="sourceLineNo">563</span> * Checks if the specified column contains an empty value (a zero-length byte array).<a name="line.563"></a> +<span class="sourceLineNo">564</span> *<a name="line.564"></a> +<span class="sourceLineNo">565</span> * @param family family name<a name="line.565"></a> +<span class="sourceLineNo">566</span> * @param foffset family offset<a name="line.566"></a> +<span class="sourceLineNo">567</span> * @param flength family length<a name="line.567"></a> +<span class="sourceLineNo">568</span> * @param qualifier column qualifier<a name="line.568"></a> +<span class="sourceLineNo">569</span> * @param qoffset qualifier offset<a name="line.569"></a> +<span class="sourceLineNo">570</span> * @param qlength qualifier length<a name="line.570"></a> <span class="sourceLineNo">571</span> *<a name="line.571"></a> -<span class="sourceLineNo">572</span> * @param family family name<a name="line.572"></a> -<span class="sourceLineNo">573</span> * @param qualifier column qualifier<a name="line.573"></a> -<span class="sourceLineNo">574</span> *<a name="line.574"></a> -<span class="sourceLineNo">575</span> * @return true if at least one value exists in the result, false if not<a name="line.575"></a> -<span class="sourceLineNo">576</span> */<a name="line.576"></a> -<span class="sourceLineNo">577</span> public boolean containsColumn(byte [] family, byte [] qualifier) {<a name="line.577"></a> -<span class="sourceLineNo">578</span> Cell kv = getColumnLatestCell(family, qualifier);<a name="line.578"></a> -<span class="sourceLineNo">579</span> return kv != null;<a name="line.579"></a> -<span class="sourceLineNo">580</span> }<a name="line.580"></a> -<span class="sourceLineNo">581</span><a name="line.581"></a> -<span class="sourceLineNo">582</span> /**<a name="line.582"></a> -<span class="sourceLineNo">583</span> * Checks for existence of a value for the specified column (empty or not).<a name="line.583"></a> -<span class="sourceLineNo">584</span> *<a name="line.584"></a> -<span class="sourceLineNo">585</span> * @param family family name<a name="line.585"></a> -<span class="sourceLineNo">586</span> * @param foffset family offset<a name="line.586"></a> -<span class="sourceLineNo">587</span> * @param flength family length<a name="line.587"></a> -<span class="sourceLineNo">588</span> * @param qualifier column qualifier<a name="line.588"></a> -<span class="sourceLineNo">589</span> * @param qoffset qualifier offset<a name="line.589"></a> -<span class="sourceLineNo">590</span> * @param qlength qualifier length<a name="line.590"></a> -<span class="sourceLineNo">591</span> *<a name="line.591"></a> -<span class="sourceLineNo">592</span> * @return true if at least one value exists in the result, false if not<a name="line.592"></a> -<span class="sourceLineNo">593</span> */<a name="line.593"></a> -<span class="sourceLineNo">594</span> public boolean containsColumn(byte [] family, int foffset, int flength,<a name="line.594"></a> -<span class="sourceLineNo">595</span> byte [] qualifier, int qoffset, int qlength) {<a name="line.595"></a> -<span class="sourceLineNo">596</span><a name="line.596"></a> -<span class="sourceLineNo">597</span> return getColumnLatestCell(family, foffset, flength, qualifier, qoffset, qlength) != null;<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> * Map of families to all versions of its qualifiers and values.<a name="line.601"></a> -<span class="sourceLineNo">602</span> * <p><a name="line.602"></a> -<span class="sourceLineNo">603</span> * Returns a three level Map of the form:<a name="line.603"></a> -<span class="sourceLineNo">604</span> * <code>Map&amp;family,Map&lt;qualifier,Map&lt;timestamp,value&gt;&gt;&gt;</code><a name="line.604"></a> -<span class="sourceLineNo">605</span> * <p><a name="line.605"></a> -<span class="sourceLineNo">606</span> * Note: All other map returning methods make use of this map internally.<a name="line.606"></a> -<span class="sourceLineNo">607</span> * @return map from families to qualifiers to versions<a name="line.607"></a> -<span class="sourceLineNo">608</span> */<a name="line.608"></a> -<span class="sourceLineNo">609</span> public NavigableMap<byte[], NavigableMap<byte[], NavigableMap<Long, byte[]>>> getMap() {<a name="line.609"></a> -<span class="sourceLineNo">610</span> if (this.familyMap != null) {<a name="line.610"></a> -<span class="sourceLineNo">611</span> return this.familyMap;<a name="line.611"></a> -<span class="sourceLineNo">612</span> }<a name="line.612"></a> -<span class="sourceLineNo">613</span> if(isEmpty()) {<a name="line.613"></a> -<span class="sourceLineNo">614</span> return null;<a name="line.614"></a> -<span class="sourceLineNo">615</span> }<a name="line.615"></a> -<span class="sourceLineNo">616</span> this.familyMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.616"></a> -<span class="sourceLineNo">617</span> for(Cell kv : this.cells) {<a name="line.617"></a> -<span class="sourceLineNo">618</span> byte [] family = CellUtil.cloneFamily(kv);<a name="line.618"></a> -<span class="sourceLineNo">619</span> NavigableMap<byte[], NavigableMap<Long, byte[]>> columnMap = familyMap.get(family);<a name="line.619"></a> -<span class="sourceLineNo">620</span> if(columnMap == null) {<a name="line.620"></a> -<span class="sourceLineNo">621</span> columnMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.621"></a> -<span class="sourceLineNo">622</span> familyMap.put(family, columnMap);<a name="line.622"></a> -<span class="sourceLineNo">623</span> }<a name="line.623"></a> -<span class="sourceLineNo">624</span> byte [] qualifier = CellUtil.cloneQualifier(kv);<a name="line.624"></a> -<span class="sourceLineNo">625</span> NavigableMap<Long, byte[]> versionMap = columnMap.get(qualifier);<a name="line.625"></a> -<span class="sourceLineNo">626</span> if(versionMap == null) {<a name="line.626"></a> -<span class="sourceLineNo">627</span> versionMap = new TreeMap<>(new Comparator<Long>() {<a name="line.627"></a> -<span class="sourceLineNo">628</span> @Override<a name="line.628"></a> -<span class="sourceLineNo">629</span> public int compare(Long l1, Long l2) {<a name="line.629"></a> -<span class="sourceLineNo">630</span> return l2.compareTo(l1);<a name="line.630"></a> -<span class="sourceLineNo">631</span> }<a name="line.631"></a> -<span class="sourceLineNo">632</span> });<a name="line.632"></a> -<span class="sourceLineNo">633</span> columnMap.put(qualifier, versionMap);<a name="line.633"></a> -<span class="sourceLineNo">634</span> }<a name="line.634"></a> -<span class="sourceLineNo">635</span> Long timestamp = kv.getTimestamp();<a name="line.635"></a> -<span class="sourceLineNo">636</span> byte [] value = CellUtil.cloneValue(kv);<a name="line.636"></a> -<span class="sourceLineNo">637</span><a name="line.637"></a> -<span class="sourceLineNo">638</span> versionMap.put(timestamp, value);<a name="line.638"></a> -<span class="sourceLineNo">639</span> }<a name="line.639"></a> -<span class="sourceLineNo">640</span> return this.familyMap;<a name="line.640"></a> -<span class="sourceLineNo">641</span> }<a name="line.641"></a> -<span class="sourceLineNo">642</span><a name="line.642"></a> -<span class="sourceLineNo">643</span> /**<a name="line.643"></a> -<span class="sourceLineNo">644</span> * Map of families to their most recent qualifiers and values.<a name="line.644"></a> -<span class="sourceLineNo">645</span> * <p><a name="line.645"></a> -<span class="sourceLineNo">646</span> * Returns a two level Map of the form: <code>Map&amp;family,Map&lt;qualifier,value&gt;&gt;</code><a name="line.646"></a> -<span class="sourceLineNo">647</span> * <p><a name="line.647"></a> -<span class="sourceLineNo">648</span> * The most recent version of each qualifier will be used.<a name="line.648"></a> -<span class="sourceLineNo">649</span> * @return map from families to qualifiers and value<a name="line.649"></a> -<span class="sourceLineNo">650</span> */<a name="line.650"></a> -<span class="sourceLineNo">651</span> public NavigableMap<byte[], NavigableMap<byte[], byte[]>> getNoVersionMap() {<a name="line.651"></a> -<span 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<TRUNCATED>
