1 package com.bumptech.glide.util; 2 3 /** 4 * A key of two {@link Class}es to be used in hashed collections. 5 */ 6 public class MultiClassKey { 7 private Class<?> first; 8 private Class<?> second; 9 MultiClassKey()10 public MultiClassKey() { 11 // leave them null 12 } 13 MultiClassKey(Class<?> first, Class<?> second)14 public MultiClassKey(Class<?> first, Class<?> second) { 15 set(first, second); 16 } 17 set(Class<?> first, Class<?> second)18 public void set(Class<?> first, Class<?> second) { 19 this.first = first; 20 this.second = second; 21 } 22 23 @Override toString()24 public String toString() { 25 return "MultiClassKey{" 26 + "first=" + first 27 + ", second=" + second 28 + '}'; 29 } 30 31 @Override equals(Object o)32 public boolean equals(Object o) { 33 if (this == o) { 34 return true; 35 } 36 if (o == null || getClass() != o.getClass()) { 37 return false; 38 } 39 40 MultiClassKey that = (MultiClassKey) o; 41 42 if (!first.equals(that.first)) { 43 return false; 44 } 45 if (!second.equals(that.second)) { 46 return false; 47 } 48 49 return true; 50 } 51 52 @Override hashCode()53 public int hashCode() { 54 int result = first.hashCode(); 55 result = 31 * result + second.hashCode(); 56 return result; 57 } 58 } 59