| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| package com.google.devtools.build.lib.skyframe; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| |
| /** |
| * A value corresponding to a glob which uses {@link ImmutableSet} as the container to store |
| * matching {@link PathFragment}s. |
| */ |
| @Immutable |
| @ThreadSafe |
| public final class GlobValueWithImmutableSet extends GlobValue { |
| |
| public static final GlobValueWithImmutableSet EMPTY = |
| new GlobValueWithImmutableSet(ImmutableSet.of()); |
| |
| private final ImmutableSet<PathFragment> matches; |
| |
| /** Creates a {@link GlobValueWithImmutableSet} wrapping {@code matches}. */ |
| public GlobValueWithImmutableSet(ImmutableSet<PathFragment> matches) { |
| this.matches = Preconditions.checkNotNull(matches); |
| } |
| |
| /** Returns an unordered {@link ImmutableSet} containing all glob matches. */ |
| @Override |
| public ImmutableSet<PathFragment> getMatches() { |
| return matches; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other == this) { |
| return true; |
| } |
| if (!(other instanceof GlobValueWithImmutableSet)) { |
| return false; |
| } |
| return matches.equals(((GlobValueWithImmutableSet) other).matches); |
| } |
| |
| @Override |
| public int hashCode() { |
| return matches.hashCode(); |
| } |
| } |