water.fvec

Class CXIChunk

java.lang.Object

water.Iced

water.fvec.Chunk

water.fvec.CXIChunk

All Implemented Interfaces:

java.lang.Cloneable, Freezable

Direct Known Subclasses:

CX0Chunk, CXDChunk

public class CXIChunk
extends Chunk

Created by tomasnykodym on 3/18/14. Sparse chunk.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	CXIChunk.SparseIterator
class	CXIChunk.Value

Field Summary

Fields

Modifier and Type	Field and Description
protected int	_lastOff
protected int	_ridsz
protected int	_valsz
protected int	_valsz_log
protected static int	OFF

Fields inherited from class water.fvec.Chunk

_chk2, _len, _start, _vec

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CXIChunk(int len, int nzs, int valsz, byte[] buf)

Method Summary

Methods

Modifier and Type	Method and Description
protected long	at8_impl(int idx)
protected double	atd_impl(int idx) Chunk-specific readers.
protected int	findOffset(int idx)
protected int	getId(int off)
protected long	getIValue(int off)
protected boolean	isNA_impl(int i)
boolean	isSparse()
int	nextNZ(int rid)
int	nonzeros(int[] arr) Get chunk-relative indexes of values (nonzeros for sparse, all for dense) stored in this chunk.
Chunk	read(AutoBuffer bb) Deserialize from the AutoBuffer into a pre-existing 'this' object.
int	sparseLen()
java.util.Iterator<CXIChunk.Value>	values()
AutoBuffer	write(AutoBuffer bb) Chunk-specific implementations of read and write

Methods inherited from class water.fvec.Chunk

at_slow, at, at0, at8_slow, at8, at80, byteSize, cidx, clone, close, getBytes, isNA_slow, isNA, isNA0, nonzeros, pformat_len, pformat_len0, pformat_len0, pformat, pformat0, readable, set, set, set, set0, set0, set0, setNA, setNA0, toString, writable

Methods inherited from class water.Iced

frozenType, init, newInstance, toDocField, writeJSON, writeJSONFields

Methods inherited from class java.lang.Object

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

Field Detail

_valsz

protected transient int _valsz

_valsz_log

protected transient int _valsz_log

_ridsz

protected transient int _ridsz

OFF

protected static final int OFF

See Also:

Constant Field Values

_lastOff

protected transient int _lastOff

Constructor Detail

CXIChunk

protected CXIChunk(int len,
        int nzs,
        int valsz,
        byte[] buf)

Method Detail

isSparse

public final boolean isSparse()

Overrides:

isSparse in class Chunk

sparseLen

public final int sparseLen()

Overrides:

sparseLen in class Chunk

nonzeros

public final int nonzeros(int[] arr)

Description copied from class: Chunk

Get chunk-relative indexes of values (nonzeros for sparse, all for dense) stored in this chunk. For desne chunks, this will contain indeces of all the rows in this chunk.

Overrides:

nonzeros in class Chunk

Returns:

array of chunk-relative indeces of values stored in this chunk.

at8_impl

protected long at8_impl(int idx)

Specified by:

at8_impl in class Chunk

atd_impl

protected double atd_impl(int idx)

Description copied from class: Chunk

Chunk-specific readers.

Specified by:

atd_impl in class Chunk

isNA_impl

protected boolean isNA_impl(int i)

Specified by:

isNA_impl in class Chunk

getId

protected final int getId(int off)

getIValue

protected final long getIValue(int off)

findOffset

protected final int findOffset(int idx)

write

public AutoBuffer write(AutoBuffer bb)

Description copied from class: Chunk

Chunk-specific implementations of read and write

Specified by:

write in interface Freezable

Specified by:

write in class Chunk

read

public Chunk read(AutoBuffer bb)

Description copied from interface: Freezable

Deserialize from the AutoBuffer into a pre-existing 'this' object.

Specified by:

read in interface Freezable

Specified by:

read in class Chunk

nextNZ

public final int nextNZ(int rid)

Overrides:

nextNZ in class Chunk

values

public java.util.Iterator<CXIChunk.Value> values()