water.udf

Class DataColumn<T>

java.lang.Object

water.Iced<ColumnBase<T>>

water.udf.ColumnBase<T>

water.udf.DataColumn<T>

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, Freezable<ColumnBase<T>>, Vec.Holder, Column<T>, Function<java.lang.Long,T>

public abstract class DataColumn<T>
extends ColumnBase<T>

A Column based on actual data in a Vec (hence implementing Vec.Holder)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
byte	type
protected Vec	vec

Constructor Summary

Constructors

Modifier	Constructor and Description
	DataColumn() Deserialization only; pls don't use
protected	DataColumn(Vec vec, ChunkFactory<T> factory)

Method Summary

Modifier and Type	Method and Description
T	apply(long idx)
T	apply(java.lang.Long idx)
TypedChunk<T>	chunkAt(int i)
boolean	equals(java.lang.Object o)
abstract T	get(long idx)
int	hashCode()
boolean	isNA(long idx)
int	rowLayout()
abstract void	set(long idx, T value)
long	size()
java.lang.String	toString()
Vec	vec()

Methods inherited from class water.udf.ColumnBase

isCompatibleWith

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

vec

protected transient Vec vec

type

public final byte type

Constructor Detail

DataColumn

public DataColumn()

Deserialization only; pls don't use

DataColumn

protected DataColumn(Vec vec,
                     ChunkFactory<T> factory)

Method Detail

get

public abstract T get(long idx)

Specified by:

get in class ColumnBase<T>

set

public abstract void set(long idx,
                         T value)

apply

public T apply(java.lang.Long idx)

Specified by:

apply in interface Function<java.lang.Long,T>

Overrides:

apply in class ColumnBase<T>

apply

public T apply(long idx)

Specified by:

apply in interface Column<T>

Overrides:

apply in class ColumnBase<T>

rowLayout

public int rowLayout()

size

public long size()

chunkAt

public TypedChunk<T> chunkAt(int i)

isNA

public boolean isNA(long idx)

vec

public Vec vec()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object