org.apache.metamodel.util

Class AbstractNumberAggregateBuilder<N extends Number>

java.lang.Object

org.apache.metamodel.util.AbstractNumberAggregateBuilder<N>

Type Parameters:

N -

All Implemented Interfaces:

AggregateBuilder<N>

public abstract class AbstractNumberAggregateBuilder<N extends Number>
extends Object
implements AggregateBuilder<N>

Abstract AggregateBuilder that works on numbers. This will skip nulls and empty strings, but otherwise try to convert to numbers.

Constructor Summary

Constructors

Constructor and Description
AbstractNumberAggregateBuilder()

Method Summary

Modifier and Type	Method and Description
protected abstract void	add(Number number) Adds a non-null number to the aggregate calculation.
void	add(Object o)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.metamodel.util.AggregateBuilder

getAggregate

Constructor Detail

AbstractNumberAggregateBuilder

public AbstractNumberAggregateBuilder()

Method Detail

add

public final void add(Object o)

Specified by:

add in interface AggregateBuilder<N extends Number>

add

protected abstract void add(Number number)

Adds a non-null number to the aggregate calculation.

Parameters:

number -