http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c4c0cfa5/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html index 30d80c0..cb70db3 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/FuzzyRowFilter.html @@ -271,378 +271,390 @@ <span class="sourceLineNo">263</span> /**<a name="line.263"></a> <span class="sourceLineNo">264</span> * @return The filter serialized using pb<a name="line.264"></a> <span class="sourceLineNo">265</span> */<a name="line.265"></a> -<span class="sourceLineNo">266</span> public byte[] toByteArray() {<a name="line.266"></a> -<span class="sourceLineNo">267</span> FilterProtos.FuzzyRowFilter.Builder builder = FilterProtos.FuzzyRowFilter.newBuilder();<a name="line.267"></a> -<span class="sourceLineNo">268</span> for (Pair<byte[], byte[]> fuzzyData : fuzzyKeysData) {<a name="line.268"></a> -<span class="sourceLineNo">269</span> BytesBytesPair.Builder bbpBuilder = BytesBytesPair.newBuilder();<a name="line.269"></a> -<span class="sourceLineNo">270</span> bbpBuilder.setFirst(UnsafeByteOperations.unsafeWrap(fuzzyData.getFirst()));<a name="line.270"></a> -<span class="sourceLineNo">271</span> bbpBuilder.setSecond(UnsafeByteOperations.unsafeWrap(fuzzyData.getSecond()));<a name="line.271"></a> -<span class="sourceLineNo">272</span> builder.addFuzzyKeysData(bbpBuilder);<a name="line.272"></a> -<span class="sourceLineNo">273</span> }<a name="line.273"></a> -<span class="sourceLineNo">274</span> return builder.build().toByteArray();<a name="line.274"></a> -<span class="sourceLineNo">275</span> }<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> * @param pbBytes A pb serialized {@link FuzzyRowFilter} instance<a name="line.278"></a> -<span class="sourceLineNo">279</span> * @return An instance of {@link FuzzyRowFilter} made from <code>bytes</code><a name="line.279"></a> -<span class="sourceLineNo">280</span> * @throws DeserializationException<a name="line.280"></a> -<span class="sourceLineNo">281</span> * @see #toByteArray<a name="line.281"></a> -<span class="sourceLineNo">282</span> */<a name="line.282"></a> -<span class="sourceLineNo">283</span> public static FuzzyRowFilter parseFrom(final byte[] pbBytes) throws DeserializationException {<a name="line.283"></a> -<span class="sourceLineNo">284</span> FilterProtos.FuzzyRowFilter proto;<a name="line.284"></a> -<span class="sourceLineNo">285</span> try {<a name="line.285"></a> -<span class="sourceLineNo">286</span> proto = FilterProtos.FuzzyRowFilter.parseFrom(pbBytes);<a name="line.286"></a> -<span class="sourceLineNo">287</span> } catch (InvalidProtocolBufferException e) {<a name="line.287"></a> -<span class="sourceLineNo">288</span> throw new DeserializationException(e);<a name="line.288"></a> -<span class="sourceLineNo">289</span> }<a name="line.289"></a> -<span class="sourceLineNo">290</span> int count = proto.getFuzzyKeysDataCount();<a name="line.290"></a> -<span class="sourceLineNo">291</span> ArrayList<Pair<byte[], byte[]>> fuzzyKeysData = new ArrayList<>(count);<a name="line.291"></a> -<span class="sourceLineNo">292</span> for (int i = 0; i < count; ++i) {<a name="line.292"></a> -<span class="sourceLineNo">293</span> BytesBytesPair current = proto.getFuzzyKeysData(i);<a name="line.293"></a> -<span class="sourceLineNo">294</span> byte[] keyBytes = current.getFirst().toByteArray();<a name="line.294"></a> -<span class="sourceLineNo">295</span> byte[] keyMeta = current.getSecond().toByteArray();<a name="line.295"></a> -<span class="sourceLineNo">296</span> fuzzyKeysData.add(new Pair<>(keyBytes, keyMeta));<a name="line.296"></a> -<span class="sourceLineNo">297</span> }<a name="line.297"></a> -<span class="sourceLineNo">298</span> return new FuzzyRowFilter(fuzzyKeysData);<a name="line.298"></a> -<span class="sourceLineNo">299</span> }<a name="line.299"></a> -<span class="sourceLineNo">300</span><a name="line.300"></a> -<span class="sourceLineNo">301</span> @Override<a name="line.301"></a> -<span class="sourceLineNo">302</span> public String toString() {<a name="line.302"></a> -<span class="sourceLineNo">303</span> final StringBuilder sb = new StringBuilder();<a name="line.303"></a> -<span class="sourceLineNo">304</span> sb.append("FuzzyRowFilter");<a name="line.304"></a> -<span class="sourceLineNo">305</span> sb.append("{fuzzyKeysData=");<a name="line.305"></a> -<span class="sourceLineNo">306</span> for (Pair<byte[], byte[]> fuzzyData : fuzzyKeysData) {<a name="line.306"></a> -<span class="sourceLineNo">307</span> sb.append('{').append(Bytes.toStringBinary(fuzzyData.getFirst())).append(":");<a name="line.307"></a> -<span class="sourceLineNo">308</span> sb.append(Bytes.toStringBinary(fuzzyData.getSecond())).append('}');<a name="line.308"></a> -<span class="sourceLineNo">309</span> }<a name="line.309"></a> -<span class="sourceLineNo">310</span> sb.append("}, ");<a name="line.310"></a> -<span class="sourceLineNo">311</span> return sb.toString();<a name="line.311"></a> -<span class="sourceLineNo">312</span> }<a name="line.312"></a> -<span class="sourceLineNo">313</span><a name="line.313"></a> -<span class="sourceLineNo">314</span> // Utility methods<a name="line.314"></a> -<span class="sourceLineNo">315</span><a name="line.315"></a> -<span class="sourceLineNo">316</span> static enum SatisfiesCode {<a name="line.316"></a> -<span class="sourceLineNo">317</span> /** row satisfies fuzzy rule */<a name="line.317"></a> -<span class="sourceLineNo">318</span> YES,<a name="line.318"></a> -<span class="sourceLineNo">319</span> /** row doesn't satisfy fuzzy rule, but there's possible greater row that does */<a name="line.319"></a> -<span class="sourceLineNo">320</span> NEXT_EXISTS,<a name="line.320"></a> -<span class="sourceLineNo">321</span> /** row doesn't satisfy fuzzy rule and there's no greater row that does */<a name="line.321"></a> -<span class="sourceLineNo">322</span> NO_NEXT<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> @VisibleForTesting<a name="line.325"></a> -<span class="sourceLineNo">326</span> static SatisfiesCode satisfies(byte[] row, byte[] fuzzyKeyBytes, byte[] fuzzyKeyMeta) {<a name="line.326"></a> -<span class="sourceLineNo">327</span> return satisfies(false, row, 0, row.length, fuzzyKeyBytes, fuzzyKeyMeta);<a name="line.327"></a> -<span class="sourceLineNo">328</span> }<a 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class="sourceLineNo">339</span> if (!UNSAFE_UNALIGNED) {<a name="line.339"></a> -<span class="sourceLineNo">340</span> return satisfiesNoUnsafe(reverse, row, offset, length, fuzzyKeyBytes, fuzzyKeyMeta);<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> if (row == null) {<a name="line.343"></a> -<span class="sourceLineNo">344</span> // do nothing, let scan to proceed<a name="line.344"></a> -<span class="sourceLineNo">345</span> return SatisfiesCode.YES;<a name="line.345"></a> -<span class="sourceLineNo">346</span> }<a name="line.346"></a> -<span class="sourceLineNo">347</span> length = Math.min(length, fuzzyKeyBytes.length);<a name="line.347"></a> -<span class="sourceLineNo">348</span> int numWords = length / Bytes.SIZEOF_LONG;<a name="line.348"></a> -<span class="sourceLineNo">349</span><a name="line.349"></a> -<span class="sourceLineNo">350</span> int j = numWords << 3; // numWords * SIZEOF_LONG;<a name="line.350"></a> -<span class="sourceLineNo">351</span><a name="line.351"></a> -<span class="sourceLineNo">352</span> for (int i = 0; i < j; i += Bytes.SIZEOF_LONG) {<a name="line.352"></a> -<span class="sourceLineNo">353</span> long fuzzyBytes = UnsafeAccess.toLong(fuzzyKeyBytes, i);<a name="line.353"></a> -<span class="sourceLineNo">354</span> long fuzzyMeta = UnsafeAccess.toLong(fuzzyKeyMeta, i);<a name="line.354"></a> -<span class="sourceLineNo">355</span> long rowValue = UnsafeAccess.toLong(row, offset + i);<a name="line.355"></a> -<span class="sourceLineNo">356</span> if ((rowValue & fuzzyMeta) != (fuzzyBytes)) {<a name="line.356"></a> -<span class="sourceLineNo">357</span> // We always return NEXT_EXISTS<a name="line.357"></a> -<span class="sourceLineNo">358</span> return SatisfiesCode.NEXT_EXISTS;<a name="line.358"></a> -<span class="sourceLineNo">359</span> }<a name="line.359"></a> -<span class="sourceLineNo">360</span> 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!= (fuzzyBytes)) {<a name="line.392"></a> -<span class="sourceLineNo">393</span> // We always return NEXT_EXISTS<a name="line.393"></a> -<span class="sourceLineNo">394</span> return SatisfiesCode.NEXT_EXISTS;<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> return SatisfiesCode.YES;<a name="line.397"></a> -<span class="sourceLineNo">398</span> }<a name="line.398"></a> -<span class="sourceLineNo">399</span><a name="line.399"></a> -<span class="sourceLineNo">400</span> static SatisfiesCode satisfiesNoUnsafe(boolean reverse, byte[] row, int offset, int length,<a name="line.400"></a> -<span class="sourceLineNo">401</span> byte[] fuzzyKeyBytes, byte[] fuzzyKeyMeta) {<a name="line.401"></a> -<span class="sourceLineNo">402</span> if (row == null) {<a name="line.402"></a> -<span class="sourceLineNo">403</span> // do nothing, let scan to proceed<a name="line.403"></a> -<span class="sourceLineNo">404</span> return SatisfiesCode.YES;<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> Order order = Order.orderFor(reverse);<a name="line.407"></a> -<span class="sourceLineNo">408</span> boolean nextRowKeyCandidateExists = false;<a name="line.408"></a> -<span class="sourceLineNo">409</span><a name="line.409"></a> -<span class="sourceLineNo">410</span> for (int i = 0; i < fuzzyKeyMeta.length && i < length; i++) {<a name="line.410"></a> -<span class="sourceLineNo">411</span> // First, checking if this position is fixed and not equals the given one<a name="line.411"></a> -<span class="sourceLineNo">412</span> boolean byteAtPositionFixed = fuzzyKeyMeta[i] == 0;<a name="line.412"></a> -<span class="sourceLineNo">413</span> boolean fixedByteIncorrect = byteAtPositionFixed && fuzzyKeyBytes[i] != row[i + offset];<a name="line.413"></a> -<span class="sourceLineNo">414</span> if (fixedByteIncorrect) {<a name="line.414"></a> -<span class="sourceLineNo">415</span> // in this case there's another row that satisfies fuzzy rule and bigger than this row<a name="line.415"></a> -<span class="sourceLineNo">416</span> if (nextRowKeyCandidateExists) {<a name="line.416"></a> -<span class="sourceLineNo">417</span> return SatisfiesCode.NEXT_EXISTS;<a name="line.417"></a> -<span class="sourceLineNo">418</span> }<a name="line.418"></a> -<span class="sourceLineNo">419</span><a name="line.419"></a> -<span class="sourceLineNo">420</span> // If this row byte is less than fixed then there's a byte array bigger than<a name="line.420"></a> -<span class="sourceLineNo">421</span> // this row and which satisfies the fuzzy rule. 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class="sourceLineNo">454</span> return getNextForFuzzyRule(reverse, row, 0, row.length, fuzzyKeyBytes, fuzzyKeyMeta);<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> /** Abstracts directional comparisons based on scan direction. */<a name="line.457"></a> -<span class="sourceLineNo">458</span> private enum Order {<a name="line.458"></a> -<span class="sourceLineNo">459</span> ASC {<a name="line.459"></a> -<span class="sourceLineNo">460</span> public boolean lt(int lhs, int rhs) {<a name="line.460"></a> -<span class="sourceLineNo">461</span> return lhs < rhs;<a name="line.461"></a> -<span class="sourceLineNo">462</span> }<a name="line.462"></a> -<span class="sourceLineNo">463</span><a name="line.463"></a> -<span class="sourceLineNo">464</span> public boolean gt(int lhs, int rhs) {<a name="line.464"></a> -<span class="sourceLineNo">465</span> return lhs > rhs;<a name="line.465"></a> -<span class="sourceLineNo">466</span> }<a name="line.466"></a> -<span class="sourceLineNo">467</span><a name="line.467"></a> -<span class="sourceLineNo">468</span> public byte inc(byte val) {<a name="line.468"></a> -<span class="sourceLineNo">469</span> // TODO: what about over/underflow?<a name="line.469"></a> -<span class="sourceLineNo">470</span> return (byte) (val + 1);<a name="line.470"></a> -<span class="sourceLineNo">471</span> }<a name="line.471"></a> -<span class="sourceLineNo">472</span><a name="line.472"></a> -<span class="sourceLineNo">473</span> public boolean isMax(byte val) {<a name="line.473"></a> -<span class="sourceLineNo">474</span> return val == (byte) 0xff;<a name="line.474"></a> +<span class="sourceLineNo">266</span> @Override<a name="line.266"></a> +<span class="sourceLineNo">267</span> public byte[] toByteArray() {<a name="line.267"></a> +<span class="sourceLineNo">268</span> FilterProtos.FuzzyRowFilter.Builder builder = FilterProtos.FuzzyRowFilter.newBuilder();<a name="line.268"></a> +<span class="sourceLineNo">269</span> for (Pair<byte[], byte[]> fuzzyData : fuzzyKeysData) {<a name="line.269"></a> +<span class="sourceLineNo">270</span> BytesBytesPair.Builder bbpBuilder = BytesBytesPair.newBuilder();<a name="line.270"></a> +<span class="sourceLineNo">271</span> bbpBuilder.setFirst(UnsafeByteOperations.unsafeWrap(fuzzyData.getFirst()));<a name="line.271"></a> +<span class="sourceLineNo">272</span> bbpBuilder.setSecond(UnsafeByteOperations.unsafeWrap(fuzzyData.getSecond()));<a name="line.272"></a> +<span class="sourceLineNo">273</span> builder.addFuzzyKeysData(bbpBuilder);<a name="line.273"></a> +<span class="sourceLineNo">274</span> }<a name="line.274"></a> +<span class="sourceLineNo">275</span> return builder.build().toByteArray();<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> /**<a name="line.278"></a> +<span class="sourceLineNo">279</span> * @param pbBytes A pb serialized {@link FuzzyRowFilter} instance<a name="line.279"></a> +<span class="sourceLineNo">280</span> * @return An instance of {@link FuzzyRowFilter} made from <code>bytes</code><a name="line.280"></a> +<span class="sourceLineNo">281</span> * @throws DeserializationException<a name="line.281"></a> +<span class="sourceLineNo">282</span> * @see #toByteArray<a name="line.282"></a> +<span class="sourceLineNo">283</span> */<a name="line.283"></a> +<span class="sourceLineNo">284</span> public static FuzzyRowFilter parseFrom(final byte[] pbBytes) throws DeserializationException {<a name="line.284"></a> +<span class="sourceLineNo">285</span> FilterProtos.FuzzyRowFilter proto;<a name="line.285"></a> +<span class="sourceLineNo">286</span> try {<a name="line.286"></a> +<span class="sourceLineNo">287</span> proto = FilterProtos.FuzzyRowFilter.parseFrom(pbBytes);<a name="line.287"></a> +<span class="sourceLineNo">288</span> } catch (InvalidProtocolBufferException e) {<a name="line.288"></a> +<span class="sourceLineNo">289</span> throw new DeserializationException(e);<a name="line.289"></a> +<span class="sourceLineNo">290</span> }<a name="line.290"></a> +<span class="sourceLineNo">291</span> int count = proto.getFuzzyKeysDataCount();<a name="line.291"></a> +<span class="sourceLineNo">292</span> ArrayList<Pair<byte[], byte[]>> fuzzyKeysData = new ArrayList<>(count);<a name="line.292"></a> +<span class="sourceLineNo">293</span> for (int i = 0; i < count; ++i) {<a name="line.293"></a> +<span class="sourceLineNo">294</span> BytesBytesPair current = proto.getFuzzyKeysData(i);<a name="line.294"></a> +<span class="sourceLineNo">295</span> byte[] keyBytes = current.getFirst().toByteArray();<a name="line.295"></a> +<span class="sourceLineNo">296</span> byte[] keyMeta = current.getSecond().toByteArray();<a name="line.296"></a> +<span class="sourceLineNo">297</span> fuzzyKeysData.add(new Pair<>(keyBytes, keyMeta));<a name="line.297"></a> +<span class="sourceLineNo">298</span> }<a name="line.298"></a> +<span class="sourceLineNo">299</span> return new FuzzyRowFilter(fuzzyKeysData);<a name="line.299"></a> +<span class="sourceLineNo">300</span> }<a name="line.300"></a> +<span class="sourceLineNo">301</span><a name="line.301"></a> +<span class="sourceLineNo">302</span> @Override<a name="line.302"></a> +<span class="sourceLineNo">303</span> public String toString() {<a name="line.303"></a> +<span class="sourceLineNo">304</span> final StringBuilder sb = new StringBuilder();<a name="line.304"></a> +<span class="sourceLineNo">305</span> sb.append("FuzzyRowFilter");<a name="line.305"></a> +<span class="sourceLineNo">306</span> sb.append("{fuzzyKeysData=");<a name="line.306"></a> +<span class="sourceLineNo">307</span> for (Pair<byte[], byte[]> fuzzyData : fuzzyKeysData) {<a name="line.307"></a> +<span class="sourceLineNo">308</span> sb.append('{').append(Bytes.toStringBinary(fuzzyData.getFirst())).append(":");<a name="line.308"></a> +<span class="sourceLineNo">309</span> sb.append(Bytes.toStringBinary(fuzzyData.getSecond())).append('}');<a name="line.309"></a> +<span class="sourceLineNo">310</span> }<a name="line.310"></a> +<span class="sourceLineNo">311</span> sb.append("}, ");<a name="line.311"></a> +<span class="sourceLineNo">312</span> return sb.toString();<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> // Utility methods<a name="line.315"></a> +<span class="sourceLineNo">316</span><a name="line.316"></a> +<span class="sourceLineNo">317</span> static enum SatisfiesCode {<a name="line.317"></a> +<span class="sourceLineNo">318</span> /** row satisfies fuzzy rule */<a name="line.318"></a> +<span class="sourceLineNo">319</span> YES,<a name="line.319"></a> +<span class="sourceLineNo">320</span> /** row doesn't satisfy fuzzy rule, but there's possible greater row that does */<a name="line.320"></a> +<span class="sourceLineNo">321</span> NEXT_EXISTS,<a name="line.321"></a> +<span class="sourceLineNo">322</span> /** row doesn't satisfy fuzzy rule and there's no greater row that does */<a name="line.322"></a> +<span class="sourceLineNo">323</span> NO_NEXT<a name="line.323"></a> +<span class="sourceLineNo">324</span> }<a name="line.324"></a> +<span class="sourceLineNo">325</span><a name="line.325"></a> +<span class="sourceLineNo">326</span> @VisibleForTesting<a name="line.326"></a> +<span class="sourceLineNo">327</span> static SatisfiesCode satisfies(byte[] row, byte[] fuzzyKeyBytes, byte[] fuzzyKeyMeta) {<a name="line.327"></a> +<span class="sourceLineNo">328</span> return satisfies(false, row, 0, row.length, fuzzyKeyBytes, fuzzyKeyMeta);<a name="line.328"></a> +<span class="sourceLineNo">329</span> }<a name="line.329"></a> +<span class="sourceLineNo">330</span><a name="line.330"></a> +<span class="sourceLineNo">331</span> @VisibleForTesting<a name="line.331"></a> +<span class="sourceLineNo">332</span> static SatisfiesCode satisfies(boolean reverse, byte[] row, byte[] fuzzyKeyBytes,<a name="line.332"></a> +<span class="sourceLineNo">333</span> byte[] fuzzyKeyMeta) {<a name="line.333"></a> +<span class="sourceLineNo">334</span> return satisfies(reverse, row, 0, row.length, fuzzyKeyBytes, fuzzyKeyMeta);<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> static SatisfiesCode satisfies(boolean reverse, byte[] row, int offset, int length,<a name="line.337"></a> +<span class="sourceLineNo">338</span> byte[] fuzzyKeyBytes, byte[] fuzzyKeyMeta) {<a name="line.338"></a> +<span class="sourceLineNo">339</span><a name="line.339"></a> +<span class="sourceLineNo">340</span> if (!UNSAFE_UNALIGNED) {<a name="line.340"></a> +<span class="sourceLineNo">341</span> return satisfiesNoUnsafe(reverse, row, offset, length, fuzzyKeyBytes, fuzzyKeyMeta);<a name="line.341"></a> +<span class="sourceLineNo">342</span> }<a name="line.342"></a> +<span class="sourceLineNo">343</span><a name="line.343"></a> +<span class="sourceLineNo">344</span> if (row == null) {<a name="line.344"></a> +<span class="sourceLineNo">345</span> // do nothing, let scan to proceed<a name="line.345"></a> +<span class="sourceLineNo">346</span> return SatisfiesCode.YES;<a name="line.346"></a> +<span class="sourceLineNo">347</span> }<a name="line.347"></a> +<span class="sourceLineNo">348</span> length = Math.min(length, fuzzyKeyBytes.length);<a name="line.348"></a> +<span class="sourceLineNo">349</span> int numWords = length / Bytes.SIZEOF_LONG;<a name="line.349"></a> +<span class="sourceLineNo">350</span><a name="line.350"></a> +<span class="sourceLineNo">351</span> int j = numWords << 3; // numWords * SIZEOF_LONG;<a name="line.351"></a> +<span class="sourceLineNo">352</span><a name="line.352"></a> +<span class="sourceLineNo">353</span> for (int i = 0; i < j; i += Bytes.SIZEOF_LONG) {<a name="line.353"></a> +<span class="sourceLineNo">354</span> long fuzzyBytes = UnsafeAccess.toLong(fuzzyKeyBytes, i);<a name="line.354"></a> +<span class="sourceLineNo">355</span> long fuzzyMeta = UnsafeAccess.toLong(fuzzyKeyMeta, i);<a name="line.355"></a> +<span class="sourceLineNo">356</span> long rowValue = UnsafeAccess.toLong(row, offset + i);<a name="line.356"></a> +<span class="sourceLineNo">357</span> if ((rowValue & fuzzyMeta) != (fuzzyBytes)) {<a name="line.357"></a> +<span class="sourceLineNo">358</span> // We always return NEXT_EXISTS<a name="line.358"></a> +<span class="sourceLineNo">359</span> return SatisfiesCode.NEXT_EXISTS;<a name="line.359"></a> +<span class="sourceLineNo">360</span> }<a name="line.360"></a> +<span class="sourceLineNo">361</span> }<a name="line.361"></a> +<span class="sourceLineNo">362</span><a name="line.362"></a> +<span class="sourceLineNo">363</span> int off = j;<a name="line.363"></a> +<span class="sourceLineNo">364</span><a name="line.364"></a> +<span class="sourceLineNo">365</span> if (length - off >= Bytes.SIZEOF_INT) {<a name="line.365"></a> +<span class="sourceLineNo">366</span> int fuzzyBytes = UnsafeAccess.toInt(fuzzyKeyBytes, off);<a name="line.366"></a> +<span class="sourceLineNo">367</span> int fuzzyMeta = UnsafeAccess.toInt(fuzzyKeyMeta, off);<a name="line.367"></a> +<span class="sourceLineNo">368</span> int rowValue = UnsafeAccess.toInt(row, offset + off);<a name="line.368"></a> +<span class="sourceLineNo">369</span> if ((rowValue & fuzzyMeta) != (fuzzyBytes)) {<a name="line.369"></a> +<span class="sourceLineNo">370</span> // We always return NEXT_EXISTS<a name="line.370"></a> +<span class="sourceLineNo">371</span> return SatisfiesCode.NEXT_EXISTS;<a name="line.371"></a> +<span class="sourceLineNo">372</span> }<a name="line.372"></a> +<span class="sourceLineNo">373</span> off += Bytes.SIZEOF_INT;<a name="line.373"></a> +<span class="sourceLineNo">374</span> }<a name="line.374"></a> +<span class="sourceLineNo">375</span><a name="line.375"></a> +<span class="sourceLineNo">376</span> if (length - off >= Bytes.SIZEOF_SHORT) {<a name="line.376"></a> +<span class="sourceLineNo">377</span> short fuzzyBytes = UnsafeAccess.toShort(fuzzyKeyBytes, off);<a name="line.377"></a> +<span class="sourceLineNo">378</span> short fuzzyMeta = UnsafeAccess.toShort(fuzzyKeyMeta, off);<a name="line.378"></a> +<span class="sourceLineNo">379</span> short rowValue = UnsafeAccess.toShort(row, offset + off);<a name="line.379"></a> +<span class="sourceLineNo">380</span> if ((rowValue & fuzzyMeta) != (fuzzyBytes)) {<a name="line.380"></a> +<span class="sourceLineNo">381</span> // We always return NEXT_EXISTS<a name="line.381"></a> +<span class="sourceLineNo">382</span> // even if it does not (in this case getNextForFuzzyRule<a name="line.382"></a> +<span class="sourceLineNo">383</span> // will return null)<a name="line.383"></a> +<span class="sourceLineNo">384</span> return SatisfiesCode.NEXT_EXISTS;<a name="line.384"></a> +<span class="sourceLineNo">385</span> }<a name="line.385"></a> +<span class="sourceLineNo">386</span> off += Bytes.SIZEOF_SHORT;<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> if (length - off >= Bytes.SIZEOF_BYTE) {<a name="line.389"></a> +<span class="sourceLineNo">390</span> int fuzzyBytes = fuzzyKeyBytes[off] & 0xff;<a name="line.390"></a> +<span class="sourceLineNo">391</span> int fuzzyMeta = fuzzyKeyMeta[off] & 0xff;<a name="line.391"></a> +<span class="sourceLineNo">392</span> int rowValue = row[offset + off] & 0xff;<a name="line.392"></a> +<span class="sourceLineNo">393</span> if ((rowValue & fuzzyMeta) != (fuzzyBytes)) {<a name="line.393"></a> +<span class="sourceLineNo">394</span> // We always return NEXT_EXISTS<a name="line.394"></a> +<span class="sourceLineNo">395</span> return SatisfiesCode.NEXT_EXISTS;<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> return SatisfiesCode.YES;<a name="line.398"></a> +<span class="sourceLineNo">399</span> }<a name="line.399"></a> +<span class="sourceLineNo">400</span><a name="line.400"></a> +<span class="sourceLineNo">401</span> static SatisfiesCode satisfiesNoUnsafe(boolean reverse, byte[] row, int offset, int length,<a name="line.401"></a> +<span class="sourceLineNo">402</span> byte[] fuzzyKeyBytes, byte[] fuzzyKeyMeta) {<a name="line.402"></a> +<span class="sourceLineNo">403</span> if (row == null) {<a name="line.403"></a> +<span class="sourceLineNo">404</span> // do nothing, let scan to proceed<a name="line.404"></a> +<span class="sourceLineNo">405</span> return SatisfiesCode.YES;<a name="line.405"></a> +<span class="sourceLineNo">406</span> }<a name="line.406"></a> +<span class="sourceLineNo">407</span><a name="line.407"></a> +<span class="sourceLineNo">408</span> Order order = Order.orderFor(reverse);<a name="line.408"></a> +<span class="sourceLineNo">409</span> boolean nextRowKeyCandidateExists = false;<a name="line.409"></a> +<span class="sourceLineNo">410</span><a name="line.410"></a> +<span class="sourceLineNo">411</span> for (int i = 0; i < fuzzyKeyMeta.length && i < length; i++) {<a name="line.411"></a> +<span class="sourceLineNo">412</span> // First, checking if this position is fixed and not equals the given one<a name="line.412"></a> +<span class="sourceLineNo">413</span> boolean byteAtPositionFixed = fuzzyKeyMeta[i] == 0;<a name="line.413"></a> +<span class="sourceLineNo">414</span> boolean fixedByteIncorrect = byteAtPositionFixed && fuzzyKeyBytes[i] != row[i + offset];<a name="line.414"></a> +<span class="sourceLineNo">415</span> if (fixedByteIncorrect) {<a name="line.415"></a> +<span class="sourceLineNo">416</span> // in this case there's another row that satisfies fuzzy rule and bigger than this row<a name="line.416"></a> +<span class="sourceLineNo">417</span> if (nextRowKeyCandidateExists) {<a name="line.417"></a> +<span class="sourceLineNo">418</span> return SatisfiesCode.NEXT_EXISTS;<a name="line.418"></a> +<span class="sourceLineNo">419</span> }<a name="line.419"></a> +<span class="sourceLineNo">420</span><a name="line.420"></a> +<span class="sourceLineNo">421</span> // If this row byte is less than fixed then there's a byte array bigger than<a name="line.421"></a> +<span class="sourceLineNo">422</span> // this row and which satisfies the fuzzy rule. Otherwise there's no such byte array:<a name="line.422"></a> +<span class="sourceLineNo">423</span> // this row is simply bigger than any byte array that satisfies the fuzzy rule<a name="line.423"></a> +<span class="sourceLineNo">424</span> boolean rowByteLessThanFixed = (row[i + offset] & 0xFF) < (fuzzyKeyBytes[i] & 0xFF);<a name="line.424"></a> +<span class="sourceLineNo">425</span> if (rowByteLessThanFixed && !reverse) {<a name="line.425"></a> +<span class="sourceLineNo">426</span> return SatisfiesCode.NEXT_EXISTS;<a name="line.426"></a> +<span class="sourceLineNo">427</span> } else if (!rowByteLessThanFixed && reverse) {<a name="line.427"></a> +<span class="sourceLineNo">428</span> return SatisfiesCode.NEXT_EXISTS;<a name="line.428"></a> +<span class="sourceLineNo">429</span> } else {<a name="line.429"></a> +<span class="sourceLineNo">430</span> return SatisfiesCode.NO_NEXT;<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> // Second, checking if this position is not fixed and byte value is not the biggest. 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1);<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> public static Order orderFor(boolean reverse) {<a name="line.504"></a> -<span class="sourceLineNo">505</span> return reverse ? 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length : fuzzyKeyBytes.length);<a name="line.551"></a> +<span class="sourceLineNo">552</span> if (reverse && length > fuzzyKeyBytes.length) {<a name="line.552"></a> +<span class="sourceLineNo">553</span> // we need trailing 0xff's instead of trailing 0x00's<a name="line.553"></a> +<span class="sourceLineNo">554</span> for (int i = fuzzyKeyBytes.length; i < result.length; i++) {<a name="line.554"></a> +<span class="sourceLineNo">555</span> result[i] = (byte) 0xFF;<a name="line.555"></a> +<span class="sourceLineNo">556</span> }<a name="line.556"></a> +<span class="sourceLineNo">557</span> }<a name="line.557"></a> +<span class="sourceLineNo">558</span> int toInc = -1;<a name="line.558"></a> +<span class="sourceLineNo">559</span> final Order order = Order.orderFor(reverse);<a name="line.559"></a> +<span class="sourceLineNo">560</span><a name="line.560"></a> +<span class="sourceLineNo">561</span> boolean increased = false;<a name="line.561"></a> +<span class="sourceLineNo">562</span> for (int i = 0; i < result.length; i++) {<a name="line.562"></a> +<span class="sourceLineNo">563</span> if (i >= fuzzyKeyMeta.length || fuzzyKeyMeta[i] == 0 /* non-fixed */) {<a name="line.563"></a> +<span class="sourceLineNo">564</span> result[i] = row[offset + i];<a name="line.564"></a> +<span class="sourceLineNo">565</span> if (!order.isMax(row[offset + i])) {<a name="line.565"></a> +<span class="sourceLineNo">566</span> // this is "non-fixed" position and is not at max value, hence we can increase it<a name="line.566"></a> +<span class="sourceLineNo">567</span> toInc = i;<a name="line.567"></a> +<span class="sourceLineNo">568</span> }<a name="line.568"></a> +<span class="sourceLineNo">569</span> } else if (i < fuzzyKeyMeta.length && fuzzyKeyMeta[i] == -1 /* fixed */) {<a name="line.569"></a> +<span class="sourceLineNo">570</span> if (order.lt((row[i + offset] & 0xFF), (fuzzyKeyBytes[i] & 0xFF))) {<a name="line.570"></a> +<span class="sourceLineNo">571</span> // if setting value for any fixed position increased the original array,<a name="line.571"></a> +<span class="sourceLineNo">572</span> // we are OK<a name="line.572"></a> +<span class="sourceLineNo">573</span> increased = true;<a name="line.573"></a> +<span class="sourceLineNo">574</span> break;<a name="line.574"></a> +<span class="sourceLineNo">575</span> }<a name="line.575"></a> +<span class="sourceLineNo">576</span><a name="line.576"></a> +<span class="sourceLineNo">577</span> if (order.gt((row[i + offset] & 0xFF), (fuzzyKeyBytes[i] & 0xFF))) {<a name="line.577"></a> +<span class="sourceLineNo">578</span> // if setting value for any fixed position makes array "smaller", then just stop:<a name="line.578"></a> +<span class="sourceLineNo">579</span> // in case we found some non-fixed position to increase we will do it, otherwise<a name="line.579"></a> +<span class="sourceLineNo">580</span> // there's no "next" row key that satisfies fuzzy rule and "greater" than given row<a name="line.580"></a> +<span class="sourceLineNo">581</span> break;<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> }<a name="line.584"></a> +<span class="sourceLineNo">585</span><a name="line.585"></a> +<span class="sourceLineNo">586</span> if (!increased) {<a name="line.586"></a> +<span class="sourceLineNo">587</span> if (toInc < 0) {<a name="line.587"></a> +<span class="sourceLineNo">588</span> return null;<a name="line.588"></a> +<span class="sourceLineNo">589</span> }<a name="line.589"></a> +<span class="sourceLineNo">590</span> result[toInc] = order.inc(result[toInc]);<a name="line.590"></a> +<span class="sourceLineNo">591</span><a name="line.591"></a> +<span class="sourceLineNo">592</span> // Setting all "non-fixed" positions to zeroes to the right of the one we increased so<a name="line.592"></a> +<span class="sourceLineNo">593</span> // that found "next" row key is the smallest possible<a name="line.593"></a> +<span class="sourceLineNo">594</span> for (int i = toInc + 1; i < result.length; i++) {<a name="line.594"></a> +<span class="sourceLineNo">595</span> if (i >= fuzzyKeyMeta.length || fuzzyKeyMeta[i] == 0 /* non-fixed */) {<a name="line.595"></a> +<span class="sourceLineNo">596</span> result[i] = order.min();<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> }<a name="line.599"></a> +<span class="sourceLineNo">600</span><a name="line.600"></a> +<span class="sourceLineNo">601</span> return reverse? result: trimTrailingZeroes(result, fuzzyKeyMeta, toInc);<a name="line.601"></a> +<span class="sourceLineNo">602</span> }<a name="line.602"></a> +<span class="sourceLineNo">603</span><a name="line.603"></a> +<span class="sourceLineNo">604</span> /**<a name="line.604"></a> +<span class="sourceLineNo">605</span> * For forward scanner, next cell hint should not contain any trailing zeroes<a name="line.605"></a> +<span class="sourceLineNo">606</span> * unless they are part of fuzzyKeyMeta<a name="line.606"></a> +<span class="sourceLineNo">607</span> * hint = '\x01\x01\x01\x00\x00'<a name="line.607"></a> +<span class="sourceLineNo">608</span> * will skip valid row '\x01\x01\x01'<a name="line.608"></a> +<span class="sourceLineNo">609</span> * <a name="line.609"></a> +<span class="sourceLineNo">610</span> * @param result<a name="line.610"></a> +<span class="sourceLineNo">611</span> * @param fuzzyKeyMeta<a name="line.611"></a> +<span class="sourceLineNo">612</span> * @param toInc - position of incremented byte<a name="line.612"></a> +<span class="sourceLineNo">613</span> * @return trimmed version of result<a name="line.613"></a> +<span class="sourceLineNo">614</span> */<a name="line.614"></a> +<span class="sourceLineNo">615</span> <a name="line.615"></a> +<span class="sourceLineNo">616</span> private static byte[] trimTrailingZeroes(byte[] result, byte[] fuzzyKeyMeta, int toInc) {<a name="line.616"></a> +<span class="sourceLineNo">617</span> int off = fuzzyKeyMeta.length >= result.length? result.length -1:<a name="line.617"></a> +<span class="sourceLineNo">618</span> fuzzyKeyMeta.length -1; <a name="line.618"></a> +<span class="sourceLineNo">619</span> for( ; off >= 0; off--){<a name="line.619"></a> +<span class="sourceLineNo">620</span> if(fuzzyKeyMeta[off] != 0) break;<a name="line.620"></a> +<span class="sourceLineNo">621</span> }<a name="line.621"></a> +<span class="sourceLineNo">622</span> if (off < toInc) off = toInc;<a name="line.622"></a> +<span class="sourceLineNo">623</span> byte[] retValue = new byte[off+1];<a name="line.623"></a> +<span class="sourceLineNo">624</span> System.arraycopy(result, 0, retValue, 0, retValue.length);<a name="line.624"></a> +<span class="sourceLineNo">625</span> return retValue;<a name="line.625"></a> +<span class="sourceLineNo">626</span> }<a name="line.626"></a> +<span class="sourceLineNo">627</span><a name="line.627"></a> +<span class="sourceLineNo">628</span> /**<a name="line.628"></a> +<span class="sourceLineNo">629</span> * @return true if and only if the fields of the filter that are serialized are equal to the<a name="line.629"></a> +<span class="sourceLineNo">630</span> * corresponding fields in other. Used for testing.<a name="line.630"></a> +<span class="sourceLineNo">631</span> */<a name="line.631"></a> +<span class="sourceLineNo">632</span> @Override<a name="line.632"></a> +<span class="sourceLineNo">633</span> boolean areSerializedFieldsEqual(Filter o) {<a name="line.633"></a> +<span class="sourceLineNo">634</span> if (o == this) return true;<a name="line.634"></a> +<span class="sourceLineNo">635</span> if (!(o instanceof FuzzyRowFilter)) return false;<a name="line.635"></a> +<span class="sourceLineNo">636</span><a name="line.636"></a> +<span class="sourceLineNo">637</span> FuzzyRowFilter other = (FuzzyRowFilter) o;<a name="line.637"></a> +<span class="sourceLineNo">638</span> if (this.fuzzyKeysData.size() != other.fuzzyKeysData.size()) return false;<a name="line.638"></a> +<span class="sourceLineNo">639</span> for (int i = 0; i < fuzzyKeysData.size(); ++i) {<a name="line.639"></a> +<span class="sourceLineNo">640</span> Pair<byte[], byte[]> thisData = this.fuzzyKeysData.get(i);<a name="line.640"></a> +<span class="sourceLineNo">641</span> Pair<byte[], byte[]> otherData = other.fuzzyKeysData.get(i);<a name="line.641"></a> +<span class="sourceLineNo">642</span> if (!(Bytes.equals(thisData.getFirst(), otherData.getFirst()) && Bytes.equals(<a name="line.642"></a> +<span class="sourceLineNo">643</span> thisData.getSecond(), otherData.getSecond()))) {<a name="line.643"></a> +<span class="sourceLineNo">644</span> return false;<a name="line.644"></a> +<span class="sourceLineNo">645</span> }<a name="line.645"></a> +<span class="sourceLineNo">646</span> }<a name="line.646"></a> +<span class="sourceLineNo">647</span> return true;<a name="line.647"></a> +<span class="sourceLineNo">648</span> }<a name="line.648"></a> +<span class="sourceLineNo">649</span>}<a name="line.649"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c4c0cfa5/apidocs/src-html/org/apache/hadoop/hbase/filter/InclusiveStopFilter.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/InclusiveStopFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/InclusiveStopFilter.html index 71cf628..13d4a04 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/filter/InclusiveStopFilter.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/InclusiveStopFilter.html @@ -71,71 +71,75 @@ <span class="sourceLineNo">063</span> return ReturnCode.INCLUDE;<a name="line.63"></a> <span class="sourceLineNo">064</span> }<a name="line.64"></a> <span class="sourceLineNo">065</span><a name="line.65"></a> -<span class="sourceLineNo">066</span> public boolean filterRowKey(Cell firstRowCell) {<a name="line.66"></a> -<span class="sourceLineNo">067</span> // if stopRowKey is <= buffer, then true, filter row.<a name="line.67"></a> -<span class="sourceLineNo">068</span> if (filterAllRemaining()) return true;<a name="line.68"></a> -<span class="sourceLineNo">069</span> int cmp = CellComparator.getInstance().compareRows(firstRowCell, stopRowKey, 0, stopRowKey.length);<a name="line.69"></a> -<span class="sourceLineNo">070</span> done = reversed ? cmp < 0 : cmp > 0;<a name="line.70"></a> -<span class="sourceLineNo">071</span> return done;<a name="line.71"></a> -<span class="sourceLineNo">072</span> }<a name="line.72"></a> -<span class="sourceLineNo">073</span><a name="line.73"></a> -<span class="sourceLineNo">074</span> public boolean filterAllRemaining() {<a name="line.74"></a> -<span class="sourceLineNo">075</span> return done;<a name="line.75"></a> -<span class="sourceLineNo">076</span> }<a name="line.76"></a> -<span class="sourceLineNo">077</span><a name="line.77"></a> -<span class="sourceLineNo">078</span> public static Filter createFilterFromArguments (ArrayList<byte []> filterArguments) {<a name="line.78"></a> -<span class="sourceLineNo">079</span> Preconditions.checkArgument(filterArguments.size() == 1,<a name="line.79"></a> -<span class="sourceLineNo">080</span> "Expected 1 but got: %s", filterArguments.size());<a name="line.80"></a> -<span class="sourceLineNo">081</span> byte [] stopRowKey = ParseFilter.removeQuotesFromByteArray(filterArguments.get(0));<a name="line.81"></a> -<span class="sourceLineNo">082</span> return new InclusiveStopFilter(stopRowKey);<a name="line.82"></a> -<span class="sourceLineNo">083</span> }<a name="line.83"></a> -<span class="sourceLineNo">084</span><a name="line.84"></a> -<span class="sourceLineNo">085</span> /**<a name="line.85"></a> -<span class="sourceLineNo">086</span> * @return The filter serialized using pb<a name="line.86"></a> -<span class="sourceLineNo">087</span> */<a name="line.87"></a> -<span class="sourceLineNo">088</span> public byte [] toByteArray() {<a name="line.88"></a> -<span class="sourceLineNo">089</span> FilterProtos.InclusiveStopFilter.Builder builder =<a name="line.89"></a> -<span class="sourceLineNo">090</span> FilterProtos.InclusiveStopFilter.newBuilder();<a name="line.90"></a> -<span class="sourceLineNo">091</span> if (this.stopRowKey != null) builder.setStopRowKey(<a name="line.91"></a> -<span class="sourceLineNo">092</span> UnsafeByteOperations.unsafeWrap(this.stopRowKey));<a name="line.92"></a> -<span class="sourceLineNo">093</span> return builder.build().toByteArray();<a name="line.93"></a> -<span class="sourceLineNo">094</span> }<a name="line.94"></a> -<span class="sourceLineNo">095</span><a name="line.95"></a> -<span class="sourceLineNo">096</span> /**<a name="line.96"></a> -<span class="sourceLineNo">097</span> * @param pbBytes A pb serialized {@link InclusiveStopFilter} instance<a name="line.97"></a> -<span class="sourceLineNo">098</span> * @return An instance of {@link InclusiveStopFilter} made from <code>bytes</code><a name="line.98"></a> -<span class="sourceLineNo">099</span> * @throws DeserializationException<a name="line.99"></a> -<span class="sourceLineNo">100</span> * @see #toByteArray<a name="line.100"></a> -<span class="sourceLineNo">101</span> */<a name="line.101"></a> -<span class="sourceLineNo">102</span> public static InclusiveStopFilter parseFrom(final byte [] pbBytes)<a name="line.102"></a> -<span class="sourceLineNo">103</span> throws DeserializationException {<a name="line.103"></a> -<span class="sourceLineNo">104</span> FilterProtos.InclusiveStopFilter proto;<a name="line.104"></a> -<span class="sourceLineNo">105</span> try {<a name="line.105"></a> -<span class="sourceLineNo">106</span> proto = FilterProtos.InclusiveStopFilter.parseFrom(pbBytes);<a name="line.106"></a> -<span class="sourceLineNo">107</span> } catch (InvalidProtocolBufferException e) {<a name="line.107"></a> -<span class="sourceLineNo">108</span> throw new DeserializationException(e);<a name="line.108"></a> -<span class="sourceLineNo">109</span> }<a name="line.109"></a> -<span class="sourceLineNo">110</span> return new InclusiveStopFilter(proto.hasStopRowKey()?proto.getStopRowKey().toByteArray():null);<a name="line.110"></a> -<span class="sourceLineNo">111</span> }<a name="line.111"></a> -<span class="sourceLineNo">112</span><a name="line.112"></a> -<span class="sourceLineNo">113</span> /**<a name="line.113"></a> -<span class="sourceLineNo">114</span> * @param o the other filter to compare with<a name="line.114"></a> -<span class="sourceLineNo">115</span> * @return true if and only if the fields of the filter that are serialized<a name="line.115"></a> -<span class="sourceLineNo">116</span> * are equal to the corresponding fields in other. 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