org.nustaq.serialization.coders

Class FSTBytezDecoder

java.lang.Object

org.nustaq.serialization.coders.FSTBytezDecoder

All Implemented Interfaces:

FSTDecoder

public class FSTBytezDecoder
extends Object
implements FSTDecoder

Created by ruedi on 09.11.2014. uses unsafe to read values directly from memory instead an inputstream. no value compression is applied.

Field Summary

Fields

Modifier and Type	Field and Description
FSTClazzNameRegistry	clnames

Constructor Summary

Constructors

Constructor and Description
FSTBytezDecoder(FSTConfiguration conf)
FSTBytezDecoder(FSTConfiguration conf, BasicBytez input)

Method Summary

Modifier and Type	Method and Description
int	available()
Class	classForName(String name)
void	close()
Object	coerceElement(Class arrType, Object value)
void	consumeEndMarker()
int	ensureReadAhead(int bytes)
byte[]	getBuffer()
Object	getDirectObject()
BasicBytez	getInput()
int	getInputPos()
int	getObjectHeaderLen()
boolean	isEndMarker(String s)
boolean	isMapBased()
void	moveTo(int position)
void	pushBack(int bytes)
void	readArrayEnd(FSTClazzInfo clzSerInfo)
Class	readArrayHeader()
FSTClazzInfo	readClass()
void	readExternalEnd()
byte	readFByte()
char	readFChar()
double	readFDouble()
float	readFFloat() Reads a 4 byte float.
int	readFInt()
void	readFIntArr(int len, int[] arr)
long	readFLong()
Object	readFPrimitiveArray(Object array, Class componentType, int len) assumes class header+len already read
short	readFShort()
int	readIntByte()
protected int	readNextInputChunk(int bytes)
void	readObjectEnd()
byte	readObjectHeaderTag()
void	readPlainBytes(byte[] b, int off, int len)
int	readPlainInt()
String	readStringAsc() len < 127 !!!!!
String	readStringUTF()
int	readVersionTag()
void	registerClass(Class possible)
void	reset()
void	resetToCopyOf(byte[] bytes, int off, int len)
void	resetWith(byte[] bytes, int len)
void	setInput(BasicBytez input)
void	setInputStream(InputStream in)
void	skip(int n)

Methods inherited from class java.lang.Object

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

Field Detail

clnames

public FSTClazzNameRegistry clnames

Constructor Detail

FSTBytezDecoder

public FSTBytezDecoder(FSTConfiguration conf,
                       BasicBytez input)

FSTBytezDecoder

public FSTBytezDecoder(FSTConfiguration conf)

Method Detail

ensureReadAhead

public int ensureReadAhead(int bytes)

Specified by:

ensureReadAhead in interface FSTDecoder

readNextInputChunk

protected int readNextInputChunk(int bytes)

readStringUTF

public String readStringUTF()
                     throws IOException

Specified by:

readStringUTF in interface FSTDecoder

Throws:

IOException

readObjectHeaderTag

public byte readObjectHeaderTag()
                         throws IOException

Specified by:

readObjectHeaderTag in interface FSTDecoder

Throws:

IOException

readStringAsc

public String readStringAsc()
                     throws IOException

len < 127 !!!!!

Specified by:

readStringAsc in interface FSTDecoder

Returns:

Throws:

IOException

getInput

public BasicBytez getInput()

setInput

public void setInput(BasicBytez input)

readFPrimitiveArray

public Object readFPrimitiveArray(Object array,
                                  Class componentType,
                                  int len)

assumes class header+len already read

Specified by:

readFPrimitiveArray in interface FSTDecoder

Parameters:

componentType -

len -

Returns:

readFIntArr

public void readFIntArr(int len,
                        int[] arr)
                 throws IOException

Specified by:

readFIntArr in interface FSTDecoder

Throws:

IOException

readFInt

public int readFInt()
             throws IOException

Specified by:

readFInt in interface FSTDecoder

Throws:

IOException

readFDouble

public double readFDouble()
                   throws IOException

Specified by:

readFDouble in interface FSTDecoder

Throws:

IOException

readFFloat

public float readFFloat()
                 throws IOException

Reads a 4 byte float.

Specified by:

readFFloat in interface FSTDecoder

Throws:

IOException

readFByte

public final byte readFByte()
                     throws IOException

Specified by:

readFByte in interface FSTDecoder

Throws:

IOException

readIntByte

public int readIntByte()
                throws IOException

Specified by:

readIntByte in interface FSTDecoder

Throws:

IOException

readFLong

public long readFLong()
               throws IOException

Specified by:

readFLong in interface FSTDecoder

Throws:

IOException

readFChar

public char readFChar()
               throws IOException

Specified by:

readFChar in interface FSTDecoder

Throws:

IOException

readFShort

public short readFShort()
                 throws IOException

Specified by:

readFShort in interface FSTDecoder

Throws:

IOException

readPlainInt

public int readPlainInt()
                 throws IOException

Specified by:

readPlainInt in interface FSTDecoder

Throws:

IOException

getBuffer

public byte[] getBuffer()

Specified by:

getBuffer in interface FSTDecoder

getInputPos

public int getInputPos()

Specified by:

getInputPos in interface FSTDecoder

moveTo

public void moveTo(int position)

Specified by:

moveTo in interface FSTDecoder

reset

public void reset()

Specified by:

reset in interface FSTDecoder

setInputStream

public void setInputStream(InputStream in)

Specified by:

setInputStream in interface FSTDecoder

resetToCopyOf

public void resetToCopyOf(byte[] bytes,
                          int off,
                          int len)

Specified by:

resetToCopyOf in interface FSTDecoder

resetWith

public void resetWith(byte[] bytes,
                      int len)

Specified by:

resetWith in interface FSTDecoder

readClass

public FSTClazzInfo readClass()
                       throws IOException,
                              ClassNotFoundException

Specified by:

readClass in interface FSTDecoder

Throws:

IOException

ClassNotFoundException

classForName

public Class classForName(String name)
                   throws ClassNotFoundException

Specified by:

classForName in interface FSTDecoder

Throws:

ClassNotFoundException

registerClass

public void registerClass(Class possible)

Specified by:

registerClass in interface FSTDecoder

close

public void close()

Specified by:

close in interface FSTDecoder

skip

public void skip(int n)

Specified by:

skip in interface FSTDecoder

readPlainBytes

public void readPlainBytes(byte[] b,
                           int off,
                           int len)

Specified by:

readPlainBytes in interface FSTDecoder

isMapBased

public boolean isMapBased()

Specified by:

isMapBased in interface FSTDecoder

getDirectObject

public Object getDirectObject()

Specified by:

getDirectObject in interface FSTDecoder

getObjectHeaderLen

public int getObjectHeaderLen()

Specified by:

getObjectHeaderLen in interface FSTDecoder

consumeEndMarker

public void consumeEndMarker()

Specified by:

consumeEndMarker in interface FSTDecoder

readArrayHeader

public Class readArrayHeader()
                      throws Exception

Specified by:

readArrayHeader in interface FSTDecoder

Throws:

Exception

readExternalEnd

public void readExternalEnd()

Specified by:

readExternalEnd in interface FSTDecoder

isEndMarker

public boolean isEndMarker(String s)

Specified by:

isEndMarker in interface FSTDecoder

readVersionTag

public int readVersionTag()
                   throws IOException

Specified by:

readVersionTag in interface FSTDecoder

Throws:

IOException

pushBack

public void pushBack(int bytes)

Specified by:

pushBack in interface FSTDecoder

readArrayEnd

public void readArrayEnd(FSTClazzInfo clzSerInfo)

Specified by:

readArrayEnd in interface FSTDecoder

readObjectEnd

public void readObjectEnd()

Specified by:

readObjectEnd in interface FSTDecoder

coerceElement

public Object coerceElement(Class arrType,
                            Object value)

Specified by:

coerceElement in interface FSTDecoder

available

public int available()

Specified by:

available in interface FSTDecoder

Returns:

a value > 0 if more bytes are available