com.helger.commons.aggregate

Class AggregatorAlwaysNull<SRCTYPE,DSTTYPE>

java.lang.Object

com.helger.commons.aggregate.AbstractAggregator<SRCTYPE,DSTTYPE>

com.helger.commons.aggregate.AggregatorAlwaysNull<SRCTYPE,DSTTYPE>

Type Parameters:

SRCTYPE - Source type

DSTTYPE - Destination type

All Implemented Interfaces:

IAggregator<SRCTYPE,DSTTYPE>

@Immutable
public class AggregatorAlwaysNull<SRCTYPE,DSTTYPE>
extends AbstractAggregator<SRCTYPE,DSTTYPE>

Always returns null.

Author:

Philip Helger

Constructor Summary

Constructors

Constructor and Description
AggregatorAlwaysNull()

Method Summary

Modifier and Type	Method and Description
DSTTYPE	aggregate(Collection<SRCTYPE> aResults) Aggregate a collection of input objects to a single output object.

Methods inherited from class com.helger.commons.aggregate.AbstractAggregator

aggregate, equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregatorAlwaysNull

public AggregatorAlwaysNull()

Method Detail

aggregate

@Nullable
public DSTTYPE aggregate(@Nullable
                                    Collection<SRCTYPE> aResults)

Description copied from interface: IAggregator

Aggregate a collection of input objects to a single output object.

Parameters:

aResults - Source objects. May not be null.

Returns:

The aggregated object. May be null.