public class ByteFunctionHelpers extends Object
コンストラクタと説明 |
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ByteFunctionHelpers() |
修飾子とタイプ | メソッドと説明 |
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static int |
compare(ArrowBuf left,
int lStart,
int lEnd,
ArrowBuf right,
int rStart,
int rEnd)
Helper function to compare a set of bytes in two ArrowBufs.
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static int |
compare(ArrowBuf left,
int lStart,
int lEnd,
byte[] right,
int rStart,
int rEnd)
Helper function to compare a set of bytes in ArrowBuf to a ByteArray.
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static int |
equal(ArrowBuf left,
int lStart,
int lEnd,
ArrowBuf right,
int rStart,
int rEnd)
Helper function to check for equality of bytes in two ArrowBufs
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static int |
unsignedLongCompare(long a,
long b)
Compares the two specified
long values, treating them as unsigned values between
0 and 2^64 - 1 inclusive. |
public static final int equal(ArrowBuf left, int lStart, int lEnd, ArrowBuf right, int rStart, int rEnd)
left
- Left ArrowBuf for comparisonlStart
- start offset in the bufferlEnd
- end offset in the bufferright
- Right ArrowBuf for comparisonrStart
- start offset in the bufferrEnd
- end offset in the bufferpublic static final int compare(ArrowBuf left, int lStart, int lEnd, ArrowBuf right, int rStart, int rEnd)
left
- Left ArrowBuf to comparelStart
- start offset in the bufferlEnd
- end offset in the bufferright
- Right ArrowBuf to comparerStart
- start offset in the bufferrEnd
- end offset in the bufferpublic static final int compare(ArrowBuf left, int lStart, int lEnd, byte[] right, int rStart, int rEnd)
left
- Left ArrowBuf for comparison purposeslStart
- start offset in the bufferlEnd
- end offset in the bufferright
- second input to be comparedrStart
- start offset in the byte arrayrEnd
- end offset in the byte arraypublic static int unsignedLongCompare(long a, long b)
long
values, treating them as unsigned values between
0
and 2^64 - 1
inclusive.a
- the first unsigned long
to compareb
- the second unsigned long
to comparea
is less than b
; a positive value if a
is
greater than b
; or zero if they are equalCopyright © 2018 The Apache Software Foundation. All rights reserved.