org.teiid.internal.core.index

Class CodeByteStream

java.lang.Object

org.teiid.internal.core.index.CodeByteStream

public class CodeByteStream
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected int	bitOffset
protected int	byteOffset
protected byte[]	bytes
protected int	markBitOffset
protected int	markByteOffset

Constructor Summary

Constructors

Constructor and Description
CodeByteStream()
CodeByteStream(byte[] bytes)
CodeByteStream(int initialByteLength)

Method Summary

Modifier and Type	Method and Description
int	byteLength()
byte[]	getBytes(int startOffset, int endOffset)
protected void	grow()
void	mark()
int	readBit() Reads a single bit (value == 0 or == 1).
int	readBits(int numBits) Read up to 32 bits from the stream.
int	readByte()
int	readGamma() Reads a value using Gamma coding.
int	readUnary() Reads a value in unary.
char[]	readUTF()
void	reset()
void	reset(byte[] bytes)
void	reset(byte[] bytes, int byteOffset)
boolean	resetToMark()
void	skipBits(int numBits)
byte[]	toByteArray()
void	writeBit(int value) Writes a single bit (value == 0 or == 1).
void	writeBits(int value, int numBits) Write up to 32 bits to the stream.
void	writeByte(int value)
void	writeGamma(int value) Writes the given value using Gamma coding, in which positive integer x is represented by coding floor(log2(x) in unary followed by the value of x - 2**floor(log2(x)) in binary.
void	writeUnary(int value) Write the given value in unary.
void	writeUTF(char[] str, int start, int end)

Methods inherited from class java.lang.Object

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

Field Detail

bytes

protected byte[] bytes

byteOffset

protected int byteOffset

bitOffset

protected int bitOffset

markByteOffset

protected int markByteOffset

markBitOffset

protected int markBitOffset

Constructor Detail

CodeByteStream

public CodeByteStream()

CodeByteStream

public CodeByteStream(byte[] bytes)

CodeByteStream

public CodeByteStream(int initialByteLength)

Method Detail

byteLength

public int byteLength()

getBytes

public byte[] getBytes(int startOffset,
                       int endOffset)

grow

protected void grow()

mark

public void mark()

readBit

public int readBit()

Reads a single bit (value == 0 or == 1).

readBits

public int readBits(int numBits)

Read up to 32 bits from the stream.

readByte

public final int readByte()

readGamma

public int readGamma()

Reads a value using Gamma coding.

readUTF

public char[] readUTF()
               throws UTFDataFormatException

Throws:

UTFDataFormatException

readUnary

public int readUnary()

Reads a value in unary.

reset

public void reset()

reset

public void reset(byte[] bytes)

reset

public void reset(byte[] bytes,
                  int byteOffset)

resetToMark

public boolean resetToMark()

skipBits

public void skipBits(int numBits)

toByteArray

public byte[] toByteArray()

writeBit

public void writeBit(int value)

Writes a single bit (value == 0 or == 1).

writeBits

public void writeBits(int value,
                      int numBits)

Write up to 32 bits to the stream. The least significant numBits bits of value are written.

writeByte

public void writeByte(int value)

writeGamma

public void writeGamma(int value)

Writes the given value using Gamma coding, in which positive integer x is represented by coding floor(log2(x) in unary followed by the value of x - 2**floor(log2(x)) in binary. The value must be >= 1.

writeUTF

public void writeUTF(char[] str,
                     int start,
                     int end)

writeUnary

public void writeUnary(int value)

Write the given value in unary. The value must be >= 1.