http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f96628d5/apidocs/src-html/org/apache/hadoop/hbase/util/ByteBufferUtils.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/util/ByteBufferUtils.html b/apidocs/src-html/org/apache/hadoop/hbase/util/ByteBufferUtils.html index e954828..3776d0f 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/util/ByteBufferUtils.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/util/ByteBufferUtils.html @@ -373,674 +373,680 @@ <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> * Copy one buffer's whole data to another. Write starts at the current position of 'out' buffer.<a name="line.367"></a> -<span class="sourceLineNo">368</span> * Note : This will advance the position marker of {@code out} but not change the position maker<a name="line.368"></a> -<span class="sourceLineNo">369</span> * for {@code in}. The position and limit of the {@code in} buffer to be set properly by caller.<a name="line.369"></a> +<span class="sourceLineNo">368</span> * Note : This will advance the position marker of {@code out} and also change the position maker<a name="line.368"></a> +<span class="sourceLineNo">369</span> * for {@code in}.<a name="line.369"></a> <span class="sourceLineNo">370</span> * @param in source buffer<a name="line.370"></a> <span class="sourceLineNo">371</span> * @param out destination buffer<a name="line.371"></a> <span class="sourceLineNo">372</span> */<a name="line.372"></a> <span class="sourceLineNo">373</span> public static void copyFromBufferToBuffer(ByteBuffer in, ByteBuffer out) {<a name="line.373"></a> -<span class="sourceLineNo">374</span> if (UNSAFE_AVAIL) {<a name="line.374"></a> +<span class="sourceLineNo">374</span> if (in.hasArray() && out.hasArray()) {<a name="line.374"></a> <span class="sourceLineNo">375</span> int length = in.remaining();<a name="line.375"></a> -<span class="sourceLineNo">376</span> UnsafeAccess.copy(in, in.position(), out, out.position(), length);<a name="line.376"></a> +<span class="sourceLineNo">376</span> System.arraycopy(in.array(), in.arrayOffset(), out.array(), out.arrayOffset(), length);<a name="line.376"></a> <span class="sourceLineNo">377</span> out.position(out.position() + length);<a name="line.377"></a> -<span class="sourceLineNo">378</span> } else {<a name="line.378"></a> -<span class="sourceLineNo">379</span> out.put(in);<a name="line.379"></a> -<span class="sourceLineNo">380</span> }<a name="line.380"></a> -<span class="sourceLineNo">381</span> }<a name="line.381"></a> -<span class="sourceLineNo">382</span><a name="line.382"></a> -<span class="sourceLineNo">383</span> /**<a name="line.383"></a> -<span class="sourceLineNo">384</span> * Copy from one buffer to another from given offset. This will be absolute positional copying and<a name="line.384"></a> -<span class="sourceLineNo">385</span> * won't affect the position of any of the buffers.<a name="line.385"></a> -<span class="sourceLineNo">386</span> * @param in<a name="line.386"></a> -<span class="sourceLineNo">387</span> * @param out<a name="line.387"></a> -<span class="sourceLineNo">388</span> * @param sourceOffset<a name="line.388"></a> -<span class="sourceLineNo">389</span> * @param destinationOffset<a name="line.389"></a> -<span class="sourceLineNo">390</span> * @param length<a name="line.390"></a> -<span class="sourceLineNo">391</span> */<a name="line.391"></a> -<span class="sourceLineNo">392</span> public static int copyFromBufferToBuffer(ByteBuffer in, ByteBuffer out, int sourceOffset,<a name="line.392"></a> -<span class="sourceLineNo">393</span> int destinationOffset, int length) {<a name="line.393"></a> -<span class="sourceLineNo">394</span> if (in.hasArray() && out.hasArray()) {<a name="line.394"></a> 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out.put(inDup);<a name="line.404"></a> -<span class="sourceLineNo">405</span> out.position(outOldPos);<a name="line.405"></a> -<span class="sourceLineNo">406</span> }<a name="line.406"></a> -<span class="sourceLineNo">407</span> return destinationOffset + length;<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> /**<a name="line.410"></a> -<span class="sourceLineNo">411</span> * Copy from one buffer to another from given offset.<a name="line.411"></a> -<span class="sourceLineNo">412</span> * <p><a name="line.412"></a> -<span class="sourceLineNo">413</span> * Note : This will advance the position marker of {@code out} but not change the position maker<a name="line.413"></a> -<span class="sourceLineNo">414</span> * for {@code in}<a name="line.414"></a> -<span class="sourceLineNo">415</span> * @param in source buffer<a name="line.415"></a> -<span 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common prefix of two parts in the buffer<a name="line.437"></a> -<span class="sourceLineNo">438</span> * @param buffer Where parts are located.<a name="line.438"></a> -<span class="sourceLineNo">439</span> * @param offsetLeft Offset of the first part.<a name="line.439"></a> -<span class="sourceLineNo">440</span> * @param offsetRight Offset of the second part.<a name="line.440"></a> -<span class="sourceLineNo">441</span> * @param limit Maximal length of common prefix.<a name="line.441"></a> -<span class="sourceLineNo">442</span> * @return Length of prefix.<a name="line.442"></a> -<span class="sourceLineNo">443</span> */<a name="line.443"></a> -<span class="sourceLineNo">444</span> public static int findCommonPrefix(ByteBuffer buffer, int offsetLeft,<a name="line.444"></a> -<span class="sourceLineNo">445</span> int offsetRight, int limit) {<a name="line.445"></a> -<span class="sourceLineNo">446</span> int prefix = 0;<a name="line.446"></a> -<span class="sourceLineNo">447</span><a 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in.position(in.limit());<a name="line.383"></a> +<span class="sourceLineNo">384</span> } else {<a name="line.384"></a> +<span class="sourceLineNo">385</span> out.put(in);<a name="line.385"></a> +<span class="sourceLineNo">386</span> }<a name="line.386"></a> +<span class="sourceLineNo">387</span> }<a name="line.387"></a> +<span class="sourceLineNo">388</span><a name="line.388"></a> +<span class="sourceLineNo">389</span> /**<a name="line.389"></a> +<span class="sourceLineNo">390</span> * Copy from one buffer to another from given offset. This will be absolute positional copying and<a name="line.390"></a> +<span class="sourceLineNo">391</span> * won't affect the position of any of the buffers.<a name="line.391"></a> +<span class="sourceLineNo">392</span> * @param in<a name="line.392"></a> +<span class="sourceLineNo">393</span> * @param out<a name="line.393"></a> +<span class="sourceLineNo">394</span> * @param sourceOffset<a name="line.394"></a> +<span class="sourceLineNo">395</span> * @param destinationOffset<a name="line.395"></a> +<span class="sourceLineNo">396</span> * @param length<a name="line.396"></a> +<span class="sourceLineNo">397</span> */<a name="line.397"></a> +<span class="sourceLineNo">398</span> public static int copyFromBufferToBuffer(ByteBuffer in, ByteBuffer out, int sourceOffset,<a name="line.398"></a> +<span class="sourceLineNo">399</span> int destinationOffset, int length) {<a name="line.399"></a> +<span class="sourceLineNo">400</span> if (in.hasArray() && out.hasArray()) {<a name="line.400"></a> +<span class="sourceLineNo">401</span> System.arraycopy(in.array(), sourceOffset + in.arrayOffset(), out.array(), out.arrayOffset()<a name="line.401"></a> +<span class="sourceLineNo">402</span> + destinationOffset, length);<a name="line.402"></a> +<span class="sourceLineNo">403</span> } else if (UNSAFE_AVAIL) {<a name="line.403"></a> +<span class="sourceLineNo">404</span> UnsafeAccess.copy(in, sourceOffset, out, destinationOffset, length);<a name="line.404"></a> +<span class="sourceLineNo">405</span> } else {<a name="line.405"></a> +<span class="sourceLineNo">406</span> int outOldPos = out.position();<a name="line.406"></a> +<span class="sourceLineNo">407</span> out.position(destinationOffset);<a name="line.407"></a> +<span class="sourceLineNo">408</span> ByteBuffer inDup = in.duplicate();<a name="line.408"></a> +<span class="sourceLineNo">409</span> inDup.position(sourceOffset).limit(sourceOffset + length);<a name="line.409"></a> +<span class="sourceLineNo">410</span> out.put(inDup);<a name="line.410"></a> +<span class="sourceLineNo">411</span> out.position(outOldPos);<a name="line.411"></a> +<span class="sourceLineNo">412</span> }<a name="line.412"></a> +<span class="sourceLineNo">413</span> return destinationOffset + length;<a name="line.413"></a> +<span class="sourceLineNo">414</span> }<a name="line.414"></a> +<span class="sourceLineNo">415</span><a name="line.415"></a> +<span class="sourceLineNo">416</span> /**<a name="line.416"></a> +<span class="sourceLineNo">417</span> * Copy from one buffer to another from given offset.<a name="line.417"></a> +<span class="sourceLineNo">418</span> * <p><a name="line.418"></a> +<span class="sourceLineNo">419</span> * Note : This will advance the position marker of {@code out} but not change the position maker<a name="line.419"></a> +<span class="sourceLineNo">420</span> * for {@code in}<a name="line.420"></a> +<span class="sourceLineNo">421</span> * @param in source buffer<a name="line.421"></a> +<span 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name="line.431"></a> +<span class="sourceLineNo">432</span> } else if (UNSAFE_AVAIL) {<a name="line.432"></a> +<span class="sourceLineNo">433</span> UnsafeAccess.copy(in, sourceOffset, out, out.position(), length);<a name="line.433"></a> +<span class="sourceLineNo">434</span> skip(out, length);<a name="line.434"></a> +<span class="sourceLineNo">435</span> } else {<a name="line.435"></a> +<span class="sourceLineNo">436</span> ByteBuffer inDup = in.duplicate();<a name="line.436"></a> +<span class="sourceLineNo">437</span> inDup.position(sourceOffset).limit(sourceOffset + length);<a name="line.437"></a> +<span class="sourceLineNo">438</span> out.put(inDup);<a name="line.438"></a> +<span class="sourceLineNo">439</span> }<a name="line.439"></a> +<span class="sourceLineNo">440</span> }<a name="line.440"></a> +<span class="sourceLineNo">441</span><a name="line.441"></a> +<span class="sourceLineNo">442</span> /**<a name="line.442"></a> +<span class="sourceLineNo">443</span> * Find length of common prefix of two parts in the buffer<a name="line.443"></a> +<span class="sourceLineNo">444</span> * @param buffer Where parts are located.<a name="line.444"></a> +<span class="sourceLineNo">445</span> * @param offsetLeft Offset of the first part.<a name="line.445"></a> +<span class="sourceLineNo">446</span> * @param offsetRight Offset of the second part.<a name="line.446"></a> +<span class="sourceLineNo">447</span> * @param limit Maximal length of common prefix.<a name="line.447"></a> +<span class="sourceLineNo">448</span> * @return Length of prefix.<a name="line.448"></a> +<span class="sourceLineNo">449</span> */<a name="line.449"></a> +<span class="sourceLineNo">450</span> public static int findCommonPrefix(ByteBuffer buffer, int offsetLeft,<a name="line.450"></a> +<span class="sourceLineNo">451</span> int offsetRight, int limit) {<a name="line.451"></a> +<span class="sourceLineNo">452</span> int prefix = 0;<a name="line.452"></a> <span class="sourceLineNo">453</span><a 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class="sourceLineNo">487</span> * @param rightLength Length of right ByteBuffer.<a name="line.487"></a> -<span class="sourceLineNo">488</span> */<a name="line.488"></a> -<span class="sourceLineNo">489</span> public static int findCommonPrefix(ByteBuffer left, int leftOffset, int leftLength,<a name="line.489"></a> -<span class="sourceLineNo">490</span> ByteBuffer right, int rightOffset, int rightLength) {<a name="line.490"></a> -<span class="sourceLineNo">491</span> int length = Math.min(leftLength, rightLength);<a name="line.491"></a> -<span class="sourceLineNo">492</span> int result = 0;<a name="line.492"></a> -<span class="sourceLineNo">493</span><a name="line.493"></a> -<span class="sourceLineNo">494</span> while (result < length && ByteBufferUtils.toByte(left, leftOffset + result) == ByteBufferUtils<a name="line.494"></a> -<span class="sourceLineNo">495</span> .toByte(right, rightOffset + result)) {<a name="line.495"></a> -<span class="sourceLineNo">496</span> result++;<a 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class="sourceLineNo">508</span> * @param lengthRight Length of the second part.<a name="line.508"></a> -<span class="sourceLineNo">509</span> * @return True if equal<a name="line.509"></a> -<span class="sourceLineNo">510</span> */<a name="line.510"></a> -<span class="sourceLineNo">511</span> public static boolean arePartsEqual(ByteBuffer buffer,<a name="line.511"></a> -<span class="sourceLineNo">512</span> int offsetLeft, int lengthLeft,<a name="line.512"></a> -<span class="sourceLineNo">513</span> int offsetRight, int lengthRight) {<a name="line.513"></a> -<span class="sourceLineNo">514</span> if (lengthLeft != lengthRight) {<a name="line.514"></a> -<span class="sourceLineNo">515</span> return false;<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> if (buffer.hasArray()) {<a name="line.518"></a> -<span class="sourceLineNo">519</span> return 0 == Bytes.compareTo(<a name="line.519"></a> -<span class="sourceLineNo">520</span> buffer.array(), buffer.arrayOffset() + offsetLeft, lengthLeft,<a name="line.520"></a> -<span class="sourceLineNo">521</span> buffer.array(), buffer.arrayOffset() + offsetRight, lengthRight);<a name="line.521"></a> +<span class="sourceLineNo">454</span> for (; prefix < limit; ++prefix) {<a name="line.454"></a> +<span class="sourceLineNo">455</span> if (buffer.get(offsetLeft + prefix) != buffer.get(offsetRight + prefix)) {<a name="line.455"></a> +<span class="sourceLineNo">456</span> break;<a name="line.456"></a> +<span class="sourceLineNo">457</span> }<a name="line.457"></a> +<span class="sourceLineNo">458</span> }<a name="line.458"></a> +<span class="sourceLineNo">459</span><a name="line.459"></a> +<span class="sourceLineNo">460</span> return prefix;<a name="line.460"></a> +<span class="sourceLineNo">461</span> }<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> * Find length of common prefix in two arrays.<a name="line.464"></a> +<span class="sourceLineNo">465</span> * @param left Array to be compared.<a name="line.465"></a> +<span class="sourceLineNo">466</span> * @param leftOffset Offset in left array.<a name="line.466"></a> +<span class="sourceLineNo">467</span> * @param leftLength Length of left array.<a name="line.467"></a> +<span class="sourceLineNo">468</span> * @param right Array to be compared.<a name="line.468"></a> +<span class="sourceLineNo">469</span> * @param rightOffset Offset in right array.<a name="line.469"></a> +<span class="sourceLineNo">470</span> * @param rightLength Length of right array.<a name="line.470"></a> +<span class="sourceLineNo">471</span> */<a name="line.471"></a> +<span class="sourceLineNo">472</span> public static int findCommonPrefix(<a name="line.472"></a> +<span class="sourceLineNo">473</span> byte[] left, int leftOffset, int leftLength,<a name="line.473"></a> +<span class="sourceLineNo">474</span> byte[] right, int rightOffset, int rightLength) {<a name="line.474"></a> +<span class="sourceLineNo">475</span> int length = Math.min(leftLength, rightLength);<a name="line.475"></a> +<span class="sourceLineNo">476</span> int result = 0;<a name="line.476"></a> +<span class="sourceLineNo">477</span><a name="line.477"></a> +<span class="sourceLineNo">478</span> while (result < length &&<a name="line.478"></a> +<span class="sourceLineNo">479</span> left[leftOffset + result] == right[rightOffset + result]) {<a name="line.479"></a> +<span class="sourceLineNo">480</span> result++;<a name="line.480"></a> +<span class="sourceLineNo">481</span> }<a name="line.481"></a> +<span class="sourceLineNo">482</span><a name="line.482"></a> +<span class="sourceLineNo">483</span> return result;<a name="line.483"></a> +<span class="sourceLineNo">484</span> }<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> * Find length of common prefix in two arrays.<a name="line.487"></a> +<span class="sourceLineNo">488</span> * @param left ByteBuffer to be compared.<a name="line.488"></a> +<span class="sourceLineNo">489</span> * @param leftOffset Offset in left ByteBuffer.<a name="line.489"></a> +<span class="sourceLineNo">490</span> * @param leftLength Length of left ByteBuffer.<a name="line.490"></a> +<span class="sourceLineNo">491</span> * @param right ByteBuffer to be compared.<a name="line.491"></a> +<span class="sourceLineNo">492</span> * @param rightOffset Offset in right ByteBuffer.<a name="line.492"></a> +<span class="sourceLineNo">493</span> * @param rightLength Length of right ByteBuffer.<a name="line.493"></a> +<span class="sourceLineNo">494</span> */<a name="line.494"></a> +<span class="sourceLineNo">495</span> public static int 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class="sourceLineNo">506</span> }<a name="line.506"></a> +<span class="sourceLineNo">507</span><a name="line.507"></a> +<span class="sourceLineNo">508</span> /**<a name="line.508"></a> +<span class="sourceLineNo">509</span> * Check whether two parts in the same buffer are equal.<a name="line.509"></a> +<span class="sourceLineNo">510</span> * @param buffer In which buffer there are parts<a name="line.510"></a> +<span class="sourceLineNo">511</span> * @param offsetLeft Beginning of first part.<a name="line.511"></a> +<span class="sourceLineNo">512</span> * @param lengthLeft Length of the first part.<a name="line.512"></a> +<span class="sourceLineNo">513</span> * @param offsetRight Beginning of the second part.<a name="line.513"></a> +<span class="sourceLineNo">514</span> * @param lengthRight Length of the second part.<a name="line.514"></a> +<span class="sourceLineNo">515</span> * @return True if equal<a name="line.515"></a> +<span class="sourceLineNo">516</span> */<a 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class="sourceLineNo">524</span> if (buffer.hasArray()) {<a name="line.524"></a> +<span class="sourceLineNo">525</span> return 0 == Bytes.compareTo(<a name="line.525"></a> +<span class="sourceLineNo">526</span> buffer.array(), buffer.arrayOffset() + offsetLeft, lengthLeft,<a name="line.526"></a> +<span class="sourceLineNo">527</span> buffer.array(), buffer.arrayOffset() + offsetRight, lengthRight);<a name="line.527"></a> <span class="sourceLineNo">528</span> }<a name="line.528"></a> -<span class="sourceLineNo">529</span> return true;<a name="line.529"></a> -<span class="sourceLineNo">530</span> }<a name="line.530"></a> -<span class="sourceLineNo">531</span><a name="line.531"></a> -<span class="sourceLineNo">532</span> /**<a name="line.532"></a> -<span class="sourceLineNo">533</span> * Increment position in buffer.<a name="line.533"></a> -<span class="sourceLineNo">534</span> * @param buffer In this buffer.<a name="line.534"></a> -<span class="sourceLineNo">535</span> * @param length By 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containing the bytes in the specified range<a name="line.556"></a> +<span class="sourceLineNo">557</span> */<a name="line.557"></a> +<span class="sourceLineNo">558</span> public static byte[] toBytes(ByteBuffer buffer, int startPosition) {<a name="line.558"></a> +<span class="sourceLineNo">559</span> int originalPosition = buffer.position();<a name="line.559"></a> +<span class="sourceLineNo">560</span> byte[] output = new byte[buffer.limit() - startPosition];<a name="line.560"></a> +<span class="sourceLineNo">561</span> buffer.position(startPosition);<a name="line.561"></a> +<span class="sourceLineNo">562</span> buffer.get(output);<a name="line.562"></a> +<span class="sourceLineNo">563</span> buffer.position(originalPosition);<a name="line.563"></a> +<span class="sourceLineNo">564</span> return output;<a name="line.564"></a> +<span class="sourceLineNo">565</span> }<a name="line.565"></a> +<span class="sourceLineNo">566</span><a name="line.566"></a> +<span 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= buffer.get(offset + i);<a name="line.577"></a> +<span class="sourceLineNo">578</span> }<a name="line.578"></a> +<span class="sourceLineNo">579</span> return output;<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> public static boolean equals(ByteBuffer buf1, int o1, int l1, ByteBuffer buf2, int o2, int l2) {<a name="line.582"></a> +<span class="sourceLineNo">583</span> if ((l1 == 0) || (l2 == 0)) {<a name="line.583"></a> +<span class="sourceLineNo">584</span> // both 0 length, return true, or else false<a name="line.584"></a> +<span class="sourceLineNo">585</span> return l1 == l2;<a name="line.585"></a> +<span class="sourceLineNo">586</span> }<a name="line.586"></a> +<span class="sourceLineNo">587</span> // Since we're often comparing adjacent sorted data,<a name="line.587"></a> +<span class="sourceLineNo">588</span> // it's usual to have equal arrays except for the very last byte<a name="line.588"></a> +<span class="sourceLineNo">589</span> // so check that first<a name="line.589"></a> +<span class="sourceLineNo">590</span> if (toByte(buf1, o1 + l1 - 1) != toByte(buf2, o2 + l2 - 1)) return false;<a name="line.590"></a> +<span class="sourceLineNo">591</span> return compareTo(buf1, o1, l1, buf2, o2, l2) == 0;<a name="line.591"></a> +<span class="sourceLineNo">592</span> }<a name="line.592"></a> +<span class="sourceLineNo">593</span><a name="line.593"></a> +<span class="sourceLineNo">594</span> /**<a name="line.594"></a> +<span class="sourceLineNo">595</span> * @param buf<a name="line.595"></a> +<span class="sourceLineNo">596</span> * ByteBuffer to hash<a name="line.596"></a> +<span class="sourceLineNo">597</span> * @param offset<a name="line.597"></a> +<span class="sourceLineNo">598</span> * offset to start from<a name="line.598"></a> +<span class="sourceLineNo">599</span> * @param length<a name="line.599"></a> +<span 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return false;<a name="line.648"></a> +<span class="sourceLineNo">649</span> return compareTo(buf1, o1, l1, buf2, o2, l2) == 0;<a name="line.649"></a> +<span class="sourceLineNo">650</span> }<a name="line.650"></a> +<span class="sourceLineNo">651</span><a name="line.651"></a> +<span class="sourceLineNo">652</span> public static int compareTo(byte [] buf1, int o1, int l1, ByteBuffer buf2, int o2, int l2) {<a name="line.652"></a> +<span class="sourceLineNo">653</span> // This method is nearly same as the compareTo that follows but hard sharing code given<a name="line.653"></a> +<span class="sourceLineNo">654</span> // byte array and bytebuffer types and this is a hot code path<a name="line.654"></a> +<span class="sourceLineNo">655</span> if (UNSAFE_UNALIGNED) {<a name="line.655"></a> +<span class="sourceLineNo">656</span> long offset2Adj;<a name="line.656"></a> +<span class="sourceLineNo">657</span> Object refObj2 = null;<a name="line.657"></a> +<span class="sourceLineNo">658</span> if 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name="line.703"></a> +<span class="sourceLineNo">704</span> static int compareToUnsafe(Object obj1, long o1, int l1, Object obj2, long o2, int l2) {<a name="line.704"></a> +<span class="sourceLineNo">705</span> final int minLength = Math.min(l1, l2);<a name="line.705"></a> +<span class="sourceLineNo">706</span> final int minWords = minLength / Bytes.SIZEOF_LONG;<a name="line.706"></a> +<span class="sourceLineNo">707</span><a name="line.707"></a> +<span class="sourceLineNo">708</span> /*<a name="line.708"></a> +<span class="sourceLineNo">709</span> * Compare 8 bytes at a time. 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We do all writes in Big Endian format.<a name="line.752"></a> +<span class="sourceLineNo">753</span> */<a name="line.753"></a> +<span class="sourceLineNo">754</span> private static boolean lessThanUnsignedLong(long x1, long x2) {<a name="line.754"></a> +<span class="sourceLineNo">755</span> if (UnsafeAccess.littleEndian) {<a name="line.755"></a> +<span class="sourceLineNo">756</span> x1 = Long.reverseBytes(x1);<a name="line.756"></a> +<span class="sourceLineNo">757</span> x2 = Long.reverseBytes(x2);<a name="line.757"></a> +<span class="sourceLineNo">758</span> }<a name="line.758"></a> +<span class="sourceLineNo">759</span> return (x1 + Long.MIN_VALUE) < (x2 + Long.MIN_VALUE);<a name="line.759"></a> +<span class="sourceLineNo">760</span> }<a name="line.760"></a> +<span class="sourceLineNo">761</span><a name="line.761"></a> +<span class="sourceLineNo">762</span> /*<a name="line.762"></a> +<span class="sourceLineNo">763</span> * Both values are passed as is read by Unsafe. 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We do all writes in Big Endian format.<a name="line.764"></a> +<span class="sourceLineNo">765</span> */<a name="line.765"></a> +<span class="sourceLineNo">766</span> private static boolean lessThanUnsignedInt(int x1, int x2) {<a name="line.766"></a> +<span class="sourceLineNo">767</span> if (UnsafeAccess.littleEndian) {<a name="line.767"></a> +<span class="sourceLineNo">768</span> x1 = Integer.reverseBytes(x1);<a name="line.768"></a> +<span class="sourceLineNo">769</span> x2 = Integer.reverseBytes(x2);<a name="line.769"></a> +<span class="sourceLineNo">770</span> }<a name="line.770"></a> +<span class="sourceLineNo">771</span> return (x1 & 0xffffffffL) < (x2 & 0xffffffffL);<a name="line.771"></a> +<span class="sourceLineNo">772</span> }<a name="line.772"></a> +<span class="sourceLineNo">773</span><a name="line.773"></a> +<span class="sourceLineNo">774</span> /*<a name="line.774"></a> +<span class="sourceLineNo">775</span> * Both values are passed as is read by Unsafe. 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<TRUNCATED>
