org.apache.orc.impl

Class OutStream

java.lang.Object

java.io.OutputStream

org.apache.orc.impl.PositionedOutputStream

org.apache.orc.impl.OutStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class OutStream
extends PositionedOutputStream

Field Summary

Fields

Modifier and Type	Field and Description
static int	HEADER_SIZE

Constructor Summary

Constructors

Constructor and Description
OutStream(String name, int bufferSize, CompressionCodec codec, PhysicalWriter.OutputReceiver receiver)

Method Summary

Modifier and Type	Method and Description
static void	assertBufferSizeValid(int bufferSize) Throws exception if the bufferSize argument equals or exceeds 2^(3*8 - 1).
void	clear()
void	flush()
long	getBufferSize() Get the memory size currently allocated as buffer associated with this stream.
void	getPosition(PositionRecorder recorder) Record the current position to the recorder.
void	suppress() Set suppress flag
String	toString()
void	write(byte[] bytes, int offset, int length)
void	write(int i)

Methods inherited from class java.io.OutputStream

close, write

Methods inherited from class java.lang.Object

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

Field Detail

HEADER_SIZE

public static final int HEADER_SIZE

See Also:

Constant Field Values

Constructor Detail

OutStream

public OutStream(String name,
                 int bufferSize,
                 CompressionCodec codec,
                 PhysicalWriter.OutputReceiver receiver)
          throws IOException

Throws:

IOException

Method Detail

clear

public void clear()
           throws IOException

Throws:

IOException

assertBufferSizeValid

public static void assertBufferSizeValid(int bufferSize)
                                  throws IllegalArgumentException

Throws exception if the bufferSize argument equals or exceeds 2^(3*8 - 1). See writeHeader(ByteBuffer, int, int, boolean). The bufferSize needs to be expressible in 3 bytes, and uses the least significant byte to indicate original/compressed bytes.

Parameters:

bufferSize - The ORC compression buffer size being checked.

Throws:

IllegalArgumentException - If bufferSize value exceeds threshold.

write

public void write(int i)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] bytes,
                  int offset,
                  int length)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

getPosition

public void getPosition(PositionRecorder recorder)
                 throws IOException

Description copied from class: PositionedOutputStream

Record the current position to the recorder.

Specified by:

getPosition in class PositionedOutputStream

Parameters:

recorder - the object that receives the position

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

getBufferSize

public long getBufferSize()

Description copied from class: PositionedOutputStream

Get the memory size currently allocated as buffer associated with this stream.

Specified by:

getBufferSize in class PositionedOutputStream

Returns:

the number of bytes used by buffers.

suppress

public void suppress()

Set suppress flag