com.hazelcast.nio

Class Bits

java.lang.Object

com.hazelcast.nio.Bits

public final class Bits
extends Object

Access and manipulate bits, bytes, primitives ...

Field Summary

Fields

Modifier and Type	Field and Description
static int	BOOLEAN_SIZE_IN_BYTES Boolean size in bytes
static int	BYTE_SIZE_IN_BYTES Byte size in bytes
static int	CACHE_LINE_LENGTH Length of the data blocks used by the CPU cache sub-system in bytes.
static int	CHAR_SIZE_IN_BYTES Char size in bytes
static int	DOUBLE_SIZE_IN_BYTES Double size in bytes
static int	FLOAT_SIZE_IN_BYTES Float size in bytes
static int	INT_SIZE_IN_BYTES Integer size in bytes
static Charset	ISO_8859_1 A reusable instance of the ISO Latin-1 charset
static int	LONG_SIZE_IN_BYTES Long size in bytes
static int	NULL_ARRAY_LENGTH for null arrays, this value writen to stream to represent null array size.
static int	SHORT_SIZE_IN_BYTES Short size in bytes
static Charset	UTF_8 A reusable instance of the UTF-8 charset

Method Summary

Methods

Modifier and Type	Method and Description
static byte	clearBit(byte value, int bit) Clears n-th bit of the byte value
static int	clearBit(int value, int bit) Clears n-th bit of the integer value
static int	combineToInt(short x, short y) Combines two short integer values into an integer.
static long	combineToLong(int x, int y) Combines two integer values into a long integer.
static int	extractInt(long value, boolean lowerBits)
static short	extractShort(int value, boolean lowerBits)
static byte	invertBit(byte value, int bit) Inverts n-th bit of the byte value
static int	invertBit(int value, int bit) Inverts n-th bit of the integer value
static boolean	isBitSet(int value, int bit) Returns true if n-th bit of the value is set, false otherwise
static char	readChar(byte[] buffer, int pos, boolean bigEndian)
static char	readCharB(byte[] buffer, int pos)
static char	readCharL(byte[] buffer, int pos)
static int	readInt(byte[] buffer, int pos, boolean bigEndian)
static int	readIntB(byte[] buffer, int pos)
static int	readIntL(byte[] buffer, int pos)
static long	readLong(byte[] buffer, int pos, boolean bigEndian)
static long	readLongB(byte[] buffer, int pos)
static long	readLongL(byte[] buffer, int pos)
static short	readShort(byte[] buffer, int pos, boolean bigEndian)
static short	readShortB(byte[] buffer, int pos)
static short	readShortL(byte[] buffer, int pos)
static int	readUtf8Char(byte[] buffer, int pos, char[] dst, int dstPos)
static char	readUtf8Char(DataInput in, byte firstByte)
static byte	setBit(byte value, int bit) Sets n-th bit of the byte value
static int	setBit(int value, int bit) Sets n-th bit of the integer value
static void	writeChar(byte[] buffer, int pos, char v, boolean bigEndian)
static void	writeCharB(byte[] buffer, int pos, char v)
static void	writeCharL(byte[] buffer, int pos, char v)
static void	writeInt(byte[] buffer, int pos, int v, boolean bigEndian)
static void	writeIntB(byte[] buffer, int pos, int v)
static void	writeIntL(byte[] buffer, int pos, int v)
static void	writeLong(byte[] buffer, int pos, long v, boolean bigEndian)
static void	writeLongB(byte[] buffer, int pos, long v)
static void	writeLongL(byte[] buffer, int pos, long v)
static void	writeShort(byte[] buffer, int pos, short v, boolean bigEndian)
static void	writeShortB(byte[] buffer, int pos, short v)
static void	writeShortL(byte[] buffer, int pos, short v)
static int	writeUtf8Char(byte[] buffer, int pos, int c)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

BYTE_SIZE_IN_BYTES

public static final int BYTE_SIZE_IN_BYTES

Byte size in bytes

See Also:

Constant Field Values

BOOLEAN_SIZE_IN_BYTES

public static final int BOOLEAN_SIZE_IN_BYTES

Boolean size in bytes

See Also:

Constant Field Values

SHORT_SIZE_IN_BYTES

public static final int SHORT_SIZE_IN_BYTES

Short size in bytes

See Also:

Constant Field Values

CHAR_SIZE_IN_BYTES

public static final int CHAR_SIZE_IN_BYTES

Char size in bytes

See Also:

Constant Field Values

INT_SIZE_IN_BYTES

public static final int INT_SIZE_IN_BYTES

Integer size in bytes

See Also:

Constant Field Values

FLOAT_SIZE_IN_BYTES

public static final int FLOAT_SIZE_IN_BYTES

Float size in bytes

See Also:

Constant Field Values

LONG_SIZE_IN_BYTES

public static final int LONG_SIZE_IN_BYTES

Long size in bytes

See Also:

Constant Field Values

DOUBLE_SIZE_IN_BYTES

public static final int DOUBLE_SIZE_IN_BYTES

Double size in bytes

See Also:

Constant Field Values

NULL_ARRAY_LENGTH

public static final int NULL_ARRAY_LENGTH

for null arrays, this value writen to stream to represent null array size.

See Also:

Constant Field Values

CACHE_LINE_LENGTH

public static final int CACHE_LINE_LENGTH

Length of the data blocks used by the CPU cache sub-system in bytes.

See Also:

Constant Field Values

UTF_8

public static final Charset UTF_8

A reusable instance of the UTF-8 charset

ISO_8859_1

public static final Charset ISO_8859_1

A reusable instance of the ISO Latin-1 charset

Method Detail

readChar

public static char readChar(byte[] buffer,
            int pos,
            boolean bigEndian)

readCharB

public static char readCharB(byte[] buffer,
             int pos)

readCharL

public static char readCharL(byte[] buffer,
             int pos)

writeChar

public static void writeChar(byte[] buffer,
             int pos,
             char v,
             boolean bigEndian)

writeCharB

public static void writeCharB(byte[] buffer,
              int pos,
              char v)

writeCharL

public static void writeCharL(byte[] buffer,
              int pos,
              char v)

readShort

public static short readShort(byte[] buffer,
              int pos,
              boolean bigEndian)

readShortB

public static short readShortB(byte[] buffer,
               int pos)

readShortL

public static short readShortL(byte[] buffer,
               int pos)

writeShort

public static void writeShort(byte[] buffer,
              int pos,
              short v,
              boolean bigEndian)

writeShortB

public static void writeShortB(byte[] buffer,
               int pos,
               short v)

writeShortL

public static void writeShortL(byte[] buffer,
               int pos,
               short v)

readInt

public static int readInt(byte[] buffer,
          int pos,
          boolean bigEndian)

readIntB

public static int readIntB(byte[] buffer,
           int pos)

readIntL

public static int readIntL(byte[] buffer,
           int pos)

writeInt

public static void writeInt(byte[] buffer,
            int pos,
            int v,
            boolean bigEndian)

writeIntB

public static void writeIntB(byte[] buffer,
             int pos,
             int v)

writeIntL

public static void writeIntL(byte[] buffer,
             int pos,
             int v)

readLong

public static long readLong(byte[] buffer,
            int pos,
            boolean bigEndian)

readLongB

public static long readLongB(byte[] buffer,
             int pos)

readLongL

public static long readLongL(byte[] buffer,
             int pos)

writeLong

public static void writeLong(byte[] buffer,
             int pos,
             long v,
             boolean bigEndian)

writeLongB

public static void writeLongB(byte[] buffer,
              int pos,
              long v)

writeLongL

public static void writeLongL(byte[] buffer,
              int pos,
              long v)

writeUtf8Char

public static int writeUtf8Char(byte[] buffer,
                int pos,
                int c)

readUtf8Char

public static int readUtf8Char(byte[] buffer,
               int pos,
               char[] dst,
               int dstPos)
                        throws IOException

Throws:

IOException

readUtf8Char

public static char readUtf8Char(DataInput in,
                byte firstByte)
                         throws IOException

Throws:

IOException

setBit

public static byte setBit(byte value,
          int bit)

Sets n-th bit of the byte value

Parameters:

value - byte value

bit - n-th bit

Returns:

value

clearBit

public static byte clearBit(byte value,
            int bit)

Clears n-th bit of the byte value

Parameters:

value - byte value

bit - n-th bit

Returns:

value

invertBit

public static byte invertBit(byte value,
             int bit)

Inverts n-th bit of the byte value

Parameters:

value - byte value

bit - n-th bit

Returns:

value

setBit

public static int setBit(int value,
         int bit)

Sets n-th bit of the integer value

Parameters:

value - integer value

bit - n-th bit

Returns:

value

clearBit

public static int clearBit(int value,
           int bit)

Clears n-th bit of the integer value

Parameters:

value - integer value

bit - n-th bit

Returns:

value

invertBit

public static int invertBit(int value,
            int bit)

Inverts n-th bit of the integer value

Parameters:

value - integer value

bit - n-th bit

Returns:

value

isBitSet

public static boolean isBitSet(int value,
               int bit)

Returns true if n-th bit of the value is set, false otherwise

combineToInt

public static int combineToInt(short x,
               short y)

Combines two short integer values into an integer.

extractShort

public static short extractShort(int value,
                 boolean lowerBits)

combineToLong

public static long combineToLong(int x,
                 int y)

Combines two integer values into a long integer.

extractInt

public static int extractInt(long value,
             boolean lowerBits)