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      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 mNumerator;
     28   private final long mDenominator;
     29 
     30   /** Create a Rational with a given numerator and denominator. */
     31   Rational(long nominator, long denominator) {
     32     mNumerator = nominator;
     33     mDenominator = denominator;
     34   }
     35 
     36   /** Gets the numerator of the rational. */
     37   long getNumerator() {
     38     return mNumerator;
     39   }
     40 
     41   /** Gets the denominator of the rational */
     42   long getDenominator() {
     43     return mDenominator;
     44   }
     45 
     46   @Override
     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 mNumerator == data.mNumerator && mDenominator == data.mDenominator;
     57     }
     58     return false;
     59   }
     60 
     61   @Override
     62   public int hashCode() {
     63     return Objects.hash(mNumerator, mDenominator);
     64   }
     65 
     66   @Override
     67   public String toString() {
     68     return mNumerator + "/" + mDenominator;
     69   }
     70 }
     71