| // Copyright (c) 2020, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.horizontalclassmerging; |
| |
| import com.android.tools.r8.graph.DexEncodedField; |
| import com.android.tools.r8.graph.DexProgramClass; |
| import com.android.tools.r8.graph.DexType; |
| import com.google.common.collect.HashMultiset; |
| import com.google.common.collect.Multiset; |
| |
| public class FieldMultiset { |
| |
| private final Multiset<DexType> fields = HashMultiset.create(); |
| |
| public FieldMultiset(DexProgramClass clazz) { |
| for (DexEncodedField field : clazz.instanceFields()) { |
| fields.add(field.type()); |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| return fields.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| if (object instanceof FieldMultiset) { |
| FieldMultiset other = (FieldMultiset) object; |
| return fields.equals(other.fields); |
| } else { |
| return false; |
| } |
| } |
| } |