svndigest - svndigest

Rev	Date	Author	Line
4479	05 May 17	nicklas	1	package net.sf.basedb.reggie.converter;
4479	05 May 17	nicklas	2
4479	05 May 17	nicklas	3	/**
4479	05 May 17	nicklas	4	Value converter implementation for binning integer values
4479	05 May 17	nicklas	5	to an uper value.
4479	05 May 17	nicklas	6
4479	05 May 17	nicklas	7	@author nicklas
4479	05 May 17	nicklas	8	@since 4.10
4479	05 May 17	nicklas	9	*/
4479	05 May 17	nicklas	10	public class UpperBinConverter
4479	05 May 17	nicklas	11	implements ValueConverter<Integer, Integer>
4479	05 May 17	nicklas	12	{
4479	05 May 17	nicklas	13
4479	05 May 17	nicklas	14	private final int binSize;
4479	05 May 17	nicklas	15
4479	05 May 17	nicklas	16	/**
4479	05 May 17	nicklas	17	Creates a converter with the given bin size.
4479	05 May 17	nicklas	18	*/
4479	05 May 17	nicklas	19	public UpperBinConverter(int binSize)
4479	05 May 17	nicklas	20	{
4479	05 May 17	nicklas	21	this.binSize = binSize;
4479	05 May 17	nicklas	22	}
4479	05 May 17	nicklas	23
4479	05 May 17	nicklas	24	/*
4479	05 May 17	nicklas	25	From the ValueConverter interface
4479	05 May 17	nicklas	26	---------------------------------
4479	05 May 17	nicklas	27	*/
4479	05 May 17	nicklas	28	@Override
4479	05 May 17	nicklas	29	public Integer convert(Integer value)
4479	05 May 17	nicklas	30	{
4479	05 May 17	nicklas	31	if (value == null) return null;
4479	05 May 17	nicklas	32	return binSize * (1 + (value - 1)/binSize);
4479	05 May 17	nicklas	33	}
4479	05 May 17	nicklas	34	// ----------------------------------
4479	05 May 17	nicklas	35
4479	05 May 17	nicklas	36	}