| // 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.common.collect.Interner; |
| import com.google.devtools.build.lib.cmdline.RepositoryName; |
| import com.google.devtools.build.lib.concurrent.BlazeInterners; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| import com.google.devtools.build.skyframe.AbstractSkyKey; |
| import com.google.devtools.build.skyframe.SkyFunctionName; |
| import com.google.devtools.build.skyframe.SkyKey; |
| import com.google.devtools.build.skyframe.SkyValue; |
| |
| /** An immutable set of package name prefixes that should be blacklisted. */ |
| @AutoCodec |
| public class BlacklistedPackagePrefixesValue implements SkyValue { |
| private final ImmutableSet<PathFragment> patterns; |
| |
| @AutoCodec @AutoCodec.VisibleForSerialization |
| public static final BlacklistedPackagePrefixesValue NO_BLACKLIST = |
| new BlacklistedPackagePrefixesValue(ImmutableSet.of()); |
| |
| private BlacklistedPackagePrefixesValue(ImmutableSet<PathFragment> patterns) { |
| this.patterns = Preconditions.checkNotNull(patterns); |
| } |
| |
| @AutoCodec.Instantiator |
| public static BlacklistedPackagePrefixesValue of(ImmutableSet<PathFragment> patterns) { |
| return patterns.isEmpty() ? NO_BLACKLIST : new BlacklistedPackagePrefixesValue(patterns); |
| } |
| |
| /** Creates a key from the main repository. */ |
| public static SkyKey key() { |
| return Key.create(RepositoryName.MAIN); |
| } |
| |
| /** Creates a key from the given repository name. */ |
| public static SkyKey key(RepositoryName repository) { |
| return Key.create(repository); |
| } |
| |
| public ImmutableSet<PathFragment> getPatterns() { |
| return patterns; |
| } |
| |
| @Override |
| public int hashCode() { |
| return patterns.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof BlacklistedPackagePrefixesValue) { |
| BlacklistedPackagePrefixesValue other = (BlacklistedPackagePrefixesValue) obj; |
| return this.patterns.equals(other.patterns); |
| } |
| return false; |
| } |
| |
| @AutoCodec.VisibleForSerialization |
| @AutoCodec |
| static class Key extends AbstractSkyKey<RepositoryName> { |
| private static final Interner<Key> interner = BlazeInterners.newWeakInterner(); |
| |
| private Key(RepositoryName arg) { |
| super(arg); |
| } |
| |
| @AutoCodec.VisibleForSerialization |
| @AutoCodec.Instantiator |
| static Key create(RepositoryName arg) { |
| return interner.intern(new Key(arg)); |
| } |
| |
| @Override |
| public SkyFunctionName functionName() { |
| return SkyFunctions.BLACKLISTED_PACKAGE_PREFIXES; |
| } |
| } |
| } |