
com.xdev.jadoth.lang.functional.aggregates.SumFloat Maven / Gradle / Ivy
/**
*
*/
package com.xdev.jadoth.lang.functional.aggregates;
/*-
* #%L
* XDEV Application Framework
* %%
* Copyright (C) 2003 - 2020 XDEV Software
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import com.xdev.jadoth.collections.XGettingCollection;
/**
* @author Thomas Muenz
*
*/
public final class SumFloat implements Aggregate
{
private double sum = 0;
public SumFloat(final XGettingCollection c)
{
super();
c.execute(this);
}
@Override
public void execute(final Float n)
{
if(n != null) this.sum += n;
}
public Double yield()
{
return this.sum;
}
/**
* @return
* @see com.xdev.jadoth.lang.functional.aggregates.Aggregate#reset()
*/
@Override
public Aggregate reset()
{
this.sum = 0;
return this;
}
}
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