com.helger.commons.convert

Class UnidirectionalConverterPairFirst<DATA1TYPE,DATA2TYPE>

java.lang.Object

com.helger.commons.convert.UnidirectionalConverterPairFirst<DATA1TYPE,DATA2TYPE>

Type Parameters:

DATA1TYPE - First data type

DATA2TYPE - Second data type

All Implemented Interfaces:

IUnidirectionalConverter<IReadonlyPair<DATA1TYPE,DATA2TYPE>,DATA1TYPE>

public final class UnidirectionalConverterPairFirst<DATA1TYPE,DATA2TYPE>
extends Object
implements IUnidirectionalConverter<IReadonlyPair<DATA1TYPE,DATA2TYPE>,DATA1TYPE>

A unidirectional converter that extracts the first element from an IReadonlyPair.

Author:

Philip Helger

Constructor Summary

Constructors

Constructor and Description
UnidirectionalConverterPairFirst()

Method Summary

Methods

Modifier and Type	Method and Description
DATA1TYPE	convert(IReadonlyPair<DATA1TYPE,DATA2TYPE> aPair) Convert the passed source object to the destination type.
static <FIRST,SECOND> UnidirectionalConverterPairFirst<FIRST,SECOND>	create() Get a generic data converter that extracts the first element out of a pair.

Methods inherited from class java.lang.Object

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

Constructor Detail

UnidirectionalConverterPairFirst

public UnidirectionalConverterPairFirst()

Method Detail

convert

@Nullable
public DATA1TYPE convert(@Nullable
                         IReadonlyPair<DATA1TYPE,DATA2TYPE> aPair)

Description copied from interface: IUnidirectionalConverter

Convert the passed source object to the destination type.

Specified by:

convert in interface IUnidirectionalConverter<IReadonlyPair<DATA1TYPE,DATA2TYPE>,DATA1TYPE>

Parameters:

aPair - The source object to be converted. No null or non- null constraint possible.

Returns:

The converted value. No null or non- null constraint possible.

create

@Nonnull
public static <FIRST,SECOND> UnidirectionalConverterPairFirst<FIRST,SECOND> create()

Get a generic data converter that extracts the first element out of a pair.

Type Parameters:

FIRST - First type of the pair

SECOND - Second type of the pair.

Returns:

The data converter capable of extracting the first item out of a pair.