de.unknownreality.dataframe

Class ColumnTypeMap

java.lang.Object

de.unknownreality.dataframe.ColumnTypeMap

public class ColumnTypeMap
extends Object

Created by Alex on 22.06.2016.

Method Summary

Modifier and Type	Method and Description
<T extends Comparable<T>,C extends DataFrameColumn<T,C>> ColumnTypeMap	addType(Class<T> type, Class<C> columnType) Adds a new column type for a column value type
static ColumnTypeMap	create() Creates a column converter instance including the default column types
static <T extends Comparable<T>,C extends DataFrameColumn<T,?>> DataFrameColumn	createColumn(Class<T> type)
static <T extends Comparable<T>,C extends DataFrameColumn<T,?>> Class<C>	get(Class<T> type)
<T extends Comparable<T>,C extends DataFrameColumn<T,?>> C	getColumn(Class<T> type) Returns a data frame column for a provided column value type
<T extends Comparable<T>,C extends DataFrameColumn<T,?>> Class<C>	getColumnType(Class<T> type) Returns a data frame column type for a provided column value type
static <T extends Comparable<T>> void	registerType(Class<T> cl, Class<? extends DataFrameColumn<T,?>> colType)

Methods inherited from class java.lang.Object

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

Method Detail

registerType

public static <T extends Comparable<T>> void registerType(Class<T> cl,
                                                          Class<? extends DataFrameColumn<T,?>> colType)

get

public static <T extends Comparable<T>,C extends DataFrameColumn<T,?>> Class<C> get(Class<T> type)

createColumn

public static <T extends Comparable<T>,C extends DataFrameColumn<T,?>> DataFrameColumn createColumn(Class<T> type)

getColumnType

public <T extends Comparable<T>,C extends DataFrameColumn<T,?>> Class<C> getColumnType(Class<T> type)

Returns a data frame column type for a provided column value type

Type Parameters:

T - column type

C - value type

Parameters:

type - column value class

Returns:

column matching the value type

addType

public <T extends Comparable<T>,C extends DataFrameColumn<T,C>> ColumnTypeMap addType(Class<T> type,
                                                                                      Class<C> columnType)

Adds a new column type for a column value type

Type Parameters:

T - column value type

C - column type

Parameters:

type - column value class

columnType - column class

Returns:

self for method chaining

getColumn

public <T extends Comparable<T>,C extends DataFrameColumn<T,?>> C getColumn(Class<T> type)

Returns a data frame column for a provided column value type

Type Parameters:

T - column type

C - value type

Parameters:

type - column value class

Returns:

column matching the value type

create

public static ColumnTypeMap create()

Creates a column converter instance including the default column types

Returns:

column converter