| // Copyright 2018 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.rules.genquery; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.analysis.config.BuildConfiguration; |
| import com.google.devtools.build.lib.analysis.config.BuildConfiguration.Fragment; |
| import com.google.devtools.build.lib.analysis.config.BuildOptions; |
| import com.google.devtools.build.lib.analysis.config.ConfigurationFragmentFactory; |
| import com.google.devtools.build.lib.analysis.config.FragmentOptions; |
| import com.google.devtools.build.lib.analysis.config.InvalidConfigurationException; |
| import com.google.devtools.common.options.Option; |
| import com.google.devtools.common.options.OptionDocumentationCategory; |
| import com.google.devtools.common.options.OptionEffectTag; |
| |
| class GenQueryConfiguration extends BuildConfiguration.Fragment { |
| |
| /** GenQuery-specific options. */ |
| public static class GenQueryOptions extends FragmentOptions { |
| @Option( |
| name = "compress_in_memory_genquery_results", |
| defaultValue = "true", |
| documentationCategory = OptionDocumentationCategory.UNDOCUMENTED, |
| effectTags = {OptionEffectTag.BAZEL_INTERNAL_CONFIGURATION}, |
| help = |
| "If true, the in-memory representation of genquery results may be compressed as " |
| + "is necessary. Can save sufficient memory at the expense of more CPU usage.") |
| public boolean compressInMemoryResults; |
| } |
| |
| static class Loader implements ConfigurationFragmentFactory { |
| @Override |
| public Fragment create(BuildOptions buildOptions) throws InvalidConfigurationException { |
| return new GenQueryConfiguration( |
| buildOptions.get(GenQueryOptions.class).compressInMemoryResults); |
| } |
| |
| @Override |
| public Class<? extends Fragment> creates() { |
| return GenQueryConfiguration.class; |
| } |
| |
| @Override |
| public ImmutableSet<Class<? extends FragmentOptions>> requiredOptions() { |
| return ImmutableSet.of(GenQueryOptions.class); |
| } |
| } |
| |
| private final boolean inMemoryCompressionEnabled; |
| |
| GenQueryConfiguration(boolean inMemoryCompressionEnabled) { |
| this.inMemoryCompressionEnabled = inMemoryCompressionEnabled; |
| } |
| |
| /** Returns whether or not genquery stored in memory can be stored in compressed form. */ |
| boolean inMemoryCompressionEnabled() { |
| return inMemoryCompressionEnabled; |
| } |
| } |