| // 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.utils.collections; |
| |
| import com.android.tools.r8.graph.ProgramMethod; |
| import com.android.tools.r8.utils.ProgramMethodEquivalence; |
| import com.google.common.base.Equivalence.Wrapper; |
| import com.google.common.collect.ImmutableMap; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.function.Supplier; |
| |
| public class ProgramMethodMap<V> extends DexClassAndMemberMap<ProgramMethod, V> { |
| |
| private static final ProgramMethodMap<?> EMPTY = new ProgramMethodMap<>(ImmutableMap::of); |
| |
| private ProgramMethodMap(Supplier<Map<Wrapper<ProgramMethod>, V>> backingFactory) { |
| super(backingFactory); |
| } |
| |
| private ProgramMethodMap(Map<Wrapper<ProgramMethod>, V> backing) { |
| super(backing); |
| } |
| |
| public static <V> ProgramMethodMap<V> create() { |
| return new ProgramMethodMap<>(HashMap::new); |
| } |
| |
| public static <V> ProgramMethodMap<V> create(int capacity) { |
| return new ProgramMethodMap<>(new HashMap<>(capacity)); |
| } |
| |
| public static <V> ProgramMethodMap<V> createConcurrent() { |
| return new ProgramMethodMap<>(ConcurrentHashMap::new); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static <V> ProgramMethodMap<V> empty() { |
| return (ProgramMethodMap<V>) EMPTY; |
| } |
| |
| @Override |
| protected Wrapper<ProgramMethod> wrap(ProgramMethod method) { |
| return ProgramMethodEquivalence.get().wrap(method); |
| } |
| } |