water.udf

Class FoldingColumn<X,Y>

java.lang.Object

water.Iced<ColumnBase<T>>

water.udf.ColumnBase<T>

water.udf.FunColumnBase<Y>

water.udf.FoldingColumn<X,Y>

All Implemented Interfaces:

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

public class FoldingColumn<X,Y>
extends FunColumnBase<Y>

This column depends a plurality of columns

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FoldingColumn() deserialization :(
FoldingColumn(Foldable<X,Y> f, Column<X>... columns)
FoldingColumn(Foldable<X,Y> f, java.lang.Iterable<Column<X>> columns)

Method Summary

Modifier and Type	Method and Description
TypedChunk<Y>	chunkAt(int i)
boolean	equals(java.lang.Object o)
Y	get(long idx)
int	hashCode()
boolean	isNA(long idx)
int	rowLayout()

Methods inherited from class water.udf.FunColumnBase

apply, apply, size, vec

Methods inherited from class water.udf.ColumnBase

isCompatibleWith

Methods inherited from class water.Iced

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface water.udf.Column

isCompatibleWith

Constructor Detail

FoldingColumn

public FoldingColumn()

deserialization :(

FoldingColumn

public FoldingColumn(Foldable<X,Y> f,
                     Column<X>... columns)

FoldingColumn

public FoldingColumn(Foldable<X,Y> f,
                     java.lang.Iterable<Column<X>> columns)

Method Detail

rowLayout

public int rowLayout()

get

public Y get(long idx)

Specified by:

get in class FunColumnBase<Y>

chunkAt

public TypedChunk<Y> chunkAt(int i)

isNA

public boolean isNA(long idx)

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