001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.numbers.field; 018 019import org.apache.commons.numbers.fraction.Fraction; 020 021/** 022 * {@link Fraction} field. 023 */ 024public final class FractionField extends AbstractField<Fraction> { 025 /** Singleton. */ 026 private static final FractionField INSTANCE = new FractionField(); 027 028 /** Singleton. */ 029 private FractionField() {} 030 031 /** 032 * Get the field instance. 033 * 034 * @return the field instance. 035 */ 036 public static FractionField get() { 037 return INSTANCE; 038 } 039 040 /** {@inheritDoc} */ 041 @Override 042 public Fraction one() { 043 return Fraction.ONE; 044 } 045 046 /** {@inheritDoc} */ 047 @Override 048 public Fraction zero() { 049 return Fraction.ZERO; 050 } 051}