water.udf

Class DataColumns.BaseFactory<T>

java.lang.Object

water.udf.DataColumns.BaseFactory<T>

All Implemented Interfaces:

java.io.Serializable, ChunkFactory<T>, ColumnFactory<T>, Function<Chunk,DataChunk<T>>

Direct Known Subclasses:

Dates, Doubles, Enums, Strings

Enclosing class:

DataColumns

public abstract static class DataColumns.BaseFactory<T>
extends java.lang.Object
implements ColumnFactory<T>

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String	name
byte	typeCode

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DataColumns.BaseFactory(byte typeCode, java.lang.String name)

Method Summary

Methods

Modifier and Type	Method and Description
abstract DataChunk<T>	apply(Chunk c)
Vec	buildZeroVec(Column<?> master)
Vec	buildZeroVec(long length)
DataColumn<T>	constColumn(T t, long length)
DataColumn<T>	materialize(Column<T> xs)
DataColumn<T>	newColumn(java.util.List<T> xs)
DataColumn<T>	newColumn(long length, Function<java.lang.Long,T> f)
abstract DataColumn<T>	newColumn(Vec vec)
java.lang.String	toString()
byte	typeCode()

Methods inherited from class java.lang.Object

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

Field Detail

typeCode

public final byte typeCode

name

public final java.lang.String name

Constructor Detail

DataColumns.BaseFactory

protected DataColumns.BaseFactory(byte typeCode,
                       java.lang.String name)

Method Detail

typeCode

public byte typeCode()

Specified by:

typeCode in interface ChunkFactory<T>

buildZeroVec

public Vec buildZeroVec(long length)

Specified by:

buildZeroVec in interface ColumnFactory<T>

buildZeroVec

public Vec buildZeroVec(Column<?> master)

apply

public abstract DataChunk<T> apply(Chunk c)

Specified by:

apply in interface Function<Chunk,DataChunk<T>>

newColumn

public abstract DataColumn<T> newColumn(Vec vec)

Specified by:

newColumn in interface ColumnFactory<T>

newColumn

public DataColumn<T> newColumn(long length,
                      Function<java.lang.Long,T> f)
                        throws java.io.IOException

Specified by:

newColumn in interface ColumnFactory<T>

Throws:

java.io.IOException

materialize

public DataColumn<T> materialize(Column<T> xs)
                          throws java.io.IOException

Specified by:

materialize in interface ColumnFactory<T>

Throws:

java.io.IOException

newColumn

public DataColumn<T> newColumn(java.util.List<T> xs)
                        throws java.io.IOException

Specified by:

newColumn in interface ColumnFactory<T>

Throws:

java.io.IOException

constColumn

public DataColumn<T> constColumn(T t,
                        long length)
                          throws java.io.IOException

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object