1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.dialer.callcomposer.camera.exif;
18 
19 import java.util.Objects;
20 
21 /**
22  * The rational data type of EXIF tag. Contains a pair of longs representing the numerator and
23  * denominator of a Rational number.
24  */
25 public class Rational {
26 
27   private final long numerator;
28   private final long denominator;
29 
30   /** Create a Rational with a given numerator and denominator. */
Rational(long nominator, long denominator)31   Rational(long nominator, long denominator) {
32     numerator = nominator;
33     this.denominator = denominator;
34   }
35 
36   /** Gets the numerator of the rational. */
getNumerator()37   long getNumerator() {
38     return numerator;
39   }
40 
41   /** Gets the denominator of the rational */
getDenominator()42   long getDenominator() {
43     return denominator;
44   }
45 
46   @Override
equals(Object obj)47   public boolean equals(Object obj) {
48     if (obj == null) {
49       return false;
50     }
51     if (this == obj) {
52       return true;
53     }
54     if (obj instanceof Rational) {
55       Rational data = (Rational) obj;
56       return numerator == data.numerator && denominator == data.denominator;
57     }
58     return false;
59   }
60 
61   @Override
hashCode()62   public int hashCode() {
63     return Objects.hash(numerator, denominator);
64   }
65 
66   @Override
toString()67   public String toString() {
68     return numerator + "/" + denominator;
69   }
70 }
71