org.apache.hadoop.hbase.util.vint

Class UVIntTool

java.lang.Object

org.apache.hadoop.hbase.util.vint.UVIntTool

@InterfaceAudience.Private
public class UVIntTool
extends Object

Simple Variable Length Integer encoding. Left bit of 0 means we are on the last byte. If left bit of the current byte is 1, then there is at least one more byte.

Field Summary

Fields

Modifier and Type	Field and Description
static byte	BYTE_7_RIGHT_BITS_SET
static byte	BYTE_LEFT_BIT_SET
static long	INT_7_RIGHT_BITS_SET
static long	INT_8TH_BIT_SET
static byte[]	MAX_VALUE_BYTES

Constructor Summary

Constructors

Constructor and Description
UVIntTool()

Method Summary

Methods

Modifier and Type	Method and Description
static byte[]	getBytes(int value)
static int	getInt(byte[] bytes) bytes -> int
static int	getInt(byte[] bytes, int offset)
static int	getInt(InputStream is)
static int	numBytes(int in) int -> bytes
static int	writeBytes(int value, OutputStream os)

Methods inherited from class java.lang.Object

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

Field Detail

BYTE_7_RIGHT_BITS_SET

public static final byte BYTE_7_RIGHT_BITS_SET

See Also:

Constant Field Values

BYTE_LEFT_BIT_SET

public static final byte BYTE_LEFT_BIT_SET

See Also:

Constant Field Values

INT_7_RIGHT_BITS_SET

public static final long INT_7_RIGHT_BITS_SET

See Also:

Constant Field Values

INT_8TH_BIT_SET

public static final long INT_8TH_BIT_SET

See Also:

Constant Field Values

MAX_VALUE_BYTES

public static final byte[] MAX_VALUE_BYTES

Constructor Detail

UVIntTool

public UVIntTool()

Method Detail

numBytes

public static int numBytes(int in)

int -> bytes

getBytes

public static byte[] getBytes(int value)

writeBytes

public static int writeBytes(int value,
             OutputStream os)
                      throws IOException

Throws:

IOException

getInt

public static int getInt(byte[] bytes)

bytes -> int

getInt

public static int getInt(byte[] bytes,
         int offset)

getInt

public static int getInt(InputStream is)
                  throws IOException

Throws:

IOException