org.apache.iotdb.tsfile.encoding.encoder

Class RegularDataEncoder.IntRegularEncoder

java.lang.Object

org.apache.iotdb.tsfile.encoding.encoder.Encoder

org.apache.iotdb.tsfile.encoding.encoder.RegularDataEncoder

org.apache.iotdb.tsfile.encoding.encoder.RegularDataEncoder.IntRegularEncoder

Enclosing class:

RegularDataEncoder

public static class RegularDataEncoder.IntRegularEncoder
extends RegularDataEncoder

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.iotdb.tsfile.encoding.encoder.RegularDataEncoder

RegularDataEncoder.IntRegularEncoder, RegularDataEncoder.LongRegularEncoder

Field Summary

Fields inherited from class org.apache.iotdb.tsfile.encoding.encoder.RegularDataEncoder

BLOCK_DEFAULT_SIZE, blockSize, dataTotal, isMissingPoint, out, writeIndex

Fields inherited from class org.apache.iotdb.tsfile.encoding.encoder.Encoder

MAX_POINT_NUMBER, MAX_STRING_LENGTH

Constructor Summary

Constructors

Constructor and Description
IntRegularEncoder() constructor of IntRegularEncoder which is a sub-class of RegularDataEncoder.
IntRegularEncoder(int size) constructor of RegularDataEncoder.

Method Summary

Modifier and Type	Method and Description
protected void	checkMissingPoint(ByteArrayOutputStream out)
void	encode(int value, ByteArrayOutputStream out)
void	encodeValue(int value, ByteArrayOutputStream out) input a integer or long value.
long	getMaxByteSize() The maximal possible memory size occupied by current Encoder.
int	getOneItemMaxSize() When encoder accepts a new incoming data point, the maximal possible size in byte it takes to store in memory.
protected void	reset()
protected void	writeBitmap(ByteArrayOutputStream out)
protected void	writeHeader()

Methods inherited from class org.apache.iotdb.tsfile.encoding.encoder.RegularDataEncoder

flush, flushBlockBuffer, writeHeaderToBytes

Methods inherited from class org.apache.iotdb.tsfile.encoding.encoder.Encoder

encode, encode, encode, encode, encode, encode, encode, getType, setType

Methods inherited from class java.lang.Object

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

Constructor Detail

IntRegularEncoder

public IntRegularEncoder()

constructor of IntRegularEncoder which is a sub-class of RegularDataEncoder.

IntRegularEncoder

public IntRegularEncoder(int size)

constructor of RegularDataEncoder.

Parameters:

size - - the number how many numbers to be packed into a block.

Method Detail

reset

protected void reset()

Specified by:

reset in class RegularDataEncoder

writeHeader

protected void writeHeader()
                    throws IOException

Specified by:

writeHeader in class RegularDataEncoder

Throws:

IOException

encode

public void encode(int value,
                   ByteArrayOutputStream out)

Overrides:

encode in class Encoder

getOneItemMaxSize

public int getOneItemMaxSize()

Description copied from class: Encoder

When encoder accepts a new incoming data point, the maximal possible size in byte it takes to store in memory.

Overrides:

getOneItemMaxSize in class Encoder

Returns:

the maximal possible size of one data item encoded by this encoder

getMaxByteSize

public long getMaxByteSize()

Description copied from class: Encoder

The maximal possible memory size occupied by current Encoder. This statistic value doesn't involve OutputStream.

Overrides:

getMaxByteSize in class Encoder

Returns:

the maximal size of possible memory occupied by current encoder

checkMissingPoint

protected void checkMissingPoint(ByteArrayOutputStream out)
                          throws IOException

Specified by:

checkMissingPoint in class RegularDataEncoder

Throws:

IOException

writeBitmap

protected void writeBitmap(ByteArrayOutputStream out)
                    throws IOException

Specified by:

writeBitmap in class RegularDataEncoder

Throws:

IOException

encodeValue

public void encodeValue(int value,
                        ByteArrayOutputStream out)
                 throws IOException

input a integer or long value.

Parameters:

value - value to encode

out - - the ByteArrayOutputStream which data encode into

Throws:

IOException