001/**
002 * PrecisionComparator.java
003 *
004 * Copyright (c) 2004-2012, Nicole C. Tedesco.  All rights reserved.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at:
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package net.sf.jaccumulator.scalars;
020
021import java.util.Comparator;
022
023
024/**
025 * Singleton comparator that compares one {@link NumericPrecision} against
026 * another
027 *
028 * @since JAccumulator 4.0
029 * @author Nicole Tedesco (<a
030 *         href="mailto:Nicole@NicoleTedesco.com">Nicole@NicoleTedesco.com</a>)
031 */
032public final class PrecisionComparator implements Comparator<NumericPrecision>
033{
034    public final static PrecisionComparator INSTANCE = new PrecisionComparator();
035
036    private PrecisionComparator()
037    {
038    }
039
040    @Override
041    public final int compare(
042        final NumericPrecision prec1,
043        final NumericPrecision prec2 )
044    {
045        return prec1.compare(prec2);
046    }
047
048    public final static PrecisionComparator getInstance() {
049        return INSTANCE;
050    }
051}