org.apache.carbondata.streaming

Class StreamBlockletReader

java.lang.Object

org.apache.carbondata.streaming.StreamBlockletReader

public class StreamBlockletReader
extends Object

stream blocklet reader

Constructor Summary

Constructors

Constructor and Description
StreamBlockletReader(byte[] syncMarker, InputStream in, long limit, boolean isHeaderPresent, String compressorName)

Method Summary

Modifier and Type	Method and Description
void	close()
byte[]	copy(int len)
int	getRowNums()
boolean	hasNext()
boolean	nextBlocklet() find the next blocklet
void	nextRow()
void	readBlockletData(org.apache.carbondata.format.BlockletHeader header)
org.apache.carbondata.format.BlockletHeader	readBlockletHeader()
boolean	readBoolean()
byte[]	readBytes(int len)
boolean	readBytesFromStream(byte[] b, int offset, int len) Reads len bytes of data from the input stream into an array of bytes.
double	readDouble()
int	readInt()
int	readIntFromStream()
long	readLong()
short	readShort()
void	skipBlockletData(boolean reset)
void	skipBytes(int len)

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamBlockletReader

public StreamBlockletReader(byte[] syncMarker,
                            InputStream in,
                            long limit,
                            boolean isHeaderPresent,
                            String compressorName)

Method Detail

readBlockletHeader

public org.apache.carbondata.format.BlockletHeader readBlockletHeader()
                                                               throws IOException

Throws:

IOException

readBlockletData

public void readBlockletData(org.apache.carbondata.format.BlockletHeader header)
                      throws IOException

Throws:

IOException

skipBlockletData

public void skipBlockletData(boolean reset)
                      throws IOException

Throws:

IOException

nextBlocklet

public boolean nextBlocklet()
                     throws IOException

find the next blocklet

Throws:

IOException

hasNext

public boolean hasNext()
                throws IOException

Throws:

IOException

nextRow

public void nextRow()

readIntFromStream

public int readIntFromStream()
                      throws IOException

Throws:

IOException

readBytesFromStream

public boolean readBytesFromStream(byte[] b,
                                   int offset,
                                   int len)
                            throws IOException

Reads len bytes of data from the input stream into an array of bytes.

Returns:

true if reading data successfully, or false if there is no more data because the end of the stream has been reached.

Throws:

IOException

readBoolean

public boolean readBoolean()

readShort

public short readShort()

copy

public byte[] copy(int len)

readInt

public int readInt()

readLong

public long readLong()

readDouble

public double readDouble()

readBytes

public byte[] readBytes(int len)

skipBytes

public void skipBytes(int len)

getRowNums

public int getRowNums()

close

public void close()