Package org.apache.iotdb.tsfile.encoding.decoder

Class RegularDataDecoder

java.lang.Object

org.apache.iotdb.tsfile.encoding.decoder.Decoder

org.apache.iotdb.tsfile.encoding.decoder.RegularDataDecoder

Direct Known Subclasses:

RegularDataDecoder.IntRegularDecoder, RegularDataDecoder.LongRegularDecoder

public abstract class RegularDataDecoder
extends Decoder

This class is a decoder for decoding the byte array that encoded by RegularDataEncoder. RegularDataDecoder only supports integer and long values.
.

See Also:

RegularDataEncoder

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RegularDataDecoder.IntRegularDecoder
static class	RegularDataDecoder.LongRegularDecoder

Field Summary

Fields

Modifier and Type	Field	Description
protected int	nextReadIndex
protected int	packNum	data number in this pack.
protected int	readIntTotalCount	the first value in one pack.

Constructor Summary

Constructors

Constructor	Description
RegularDataDecoder()

Method Summary

Modifier and Type	Method	Description
protected abstract void	allocateDataArray()
boolean	hasNext(java.nio.ByteBuffer buffer)
protected abstract void	readHeader(java.nio.ByteBuffer buffer)
protected abstract void	readValue(int i)

Methods inherited from class org.apache.iotdb.tsfile.encoding.decoder.Decoder

getDecoderByType, getType, readBigDecimal, readBinary, readBoolean, readDouble, readFloat, readInt, readLong, readShort, reset, setType

Methods inherited from class java.lang.Object

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

Field Detail

readIntTotalCount

protected int readIntTotalCount

the first value in one pack.

nextReadIndex

protected int nextReadIndex

packNum

protected int packNum

data number in this pack.

Constructor Detail

RegularDataDecoder

public RegularDataDecoder()

Method Detail

readHeader

protected abstract void readHeader(java.nio.ByteBuffer buffer)
                            throws java.io.IOException

Throws:

java.io.IOException

allocateDataArray

protected abstract void allocateDataArray()

readValue

protected abstract void readValue(int i)

hasNext

public boolean hasNext(java.nio.ByteBuffer buffer)
                throws java.io.IOException

Specified by:

hasNext in class Decoder

Throws:

java.io.IOException