| // Copyright 2015 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.query2; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.base.Predicate; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.cmdline.TargetPattern; |
| import com.google.devtools.build.lib.events.ExtendedEventHandler; |
| import com.google.devtools.build.lib.packages.CachingPackageLocator; |
| import com.google.devtools.build.lib.packages.LabelPrinter; |
| import com.google.devtools.build.lib.packages.Rule; |
| import com.google.devtools.build.lib.packages.Target; |
| import com.google.devtools.build.lib.pkgcache.PathPackageLocator; |
| import com.google.devtools.build.lib.pkgcache.TargetPatternPreloader; |
| import com.google.devtools.build.lib.pkgcache.TargetProvider; |
| import com.google.devtools.build.lib.query2.common.AbstractBlazeQueryEnvironment; |
| import com.google.devtools.build.lib.query2.common.QueryTransitivePackagePreloader; |
| import com.google.devtools.build.lib.query2.common.UniverseScope; |
| import com.google.devtools.build.lib.query2.engine.QueryEnvironment.QueryFunction; |
| import com.google.devtools.build.lib.query2.engine.QueryEnvironment.Setting; |
| import com.google.devtools.build.lib.query2.query.BlazeQueryEnvironment; |
| import com.google.devtools.build.lib.query2.query.GraphlessBlazeQueryEnvironment; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| import com.google.devtools.build.skyframe.WalkableGraph.WalkableGraphFactory; |
| import java.util.Set; |
| import javax.annotation.Nullable; |
| |
| /** A factory that creates instances of {@code AbstractBlazeQueryEnvironment<Target>}. */ |
| public class QueryEnvironmentFactory { |
| /** Creates an appropriate {@link AbstractBlazeQueryEnvironment} based on the given options. */ |
| public AbstractBlazeQueryEnvironment<Target> create( |
| @Nullable QueryTransitivePackagePreloader queryTransitivePackagePreloader, |
| WalkableGraphFactory graphFactory, |
| TargetProvider targetProvider, |
| CachingPackageLocator cachingPackageLocator, |
| TargetPatternPreloader targetPatternPreloader, |
| TargetPattern.Parser mainRepoTargetParser, |
| PathFragment relativeWorkingDirectory, |
| boolean keepGoing, |
| boolean strictScope, |
| boolean orderedResults, |
| UniverseScope universeScope, |
| int loadingPhaseThreads, |
| Predicate<Label> labelFilter, |
| ExtendedEventHandler eventHandler, |
| Set<Setting> settings, |
| Iterable<QueryFunction> extraFunctions, |
| @Nullable PathPackageLocator packagePath, |
| boolean blockUniverseEvaluationErrors, |
| boolean useGraphlessQuery, |
| LabelPrinter labelPrinter) { |
| Preconditions.checkNotNull(universeScope); |
| if (canUseSkyQuery(orderedResults, universeScope, packagePath, strictScope, labelFilter)) { |
| return new SkyQueryEnvironment( |
| keepGoing, |
| loadingPhaseThreads, |
| eventHandler, |
| settings, |
| extraFunctions, |
| mainRepoTargetParser, |
| relativeWorkingDirectory, |
| graphFactory, |
| universeScope, |
| packagePath, |
| blockUniverseEvaluationErrors, |
| labelPrinter); |
| } else if (useGraphlessQuery) { |
| return new GraphlessBlazeQueryEnvironment( |
| queryTransitivePackagePreloader, |
| targetProvider, |
| cachingPackageLocator, |
| targetPatternPreloader, |
| mainRepoTargetParser, |
| keepGoing, |
| strictScope, |
| loadingPhaseThreads, |
| labelFilter, |
| eventHandler, |
| settings, |
| extraFunctions, |
| labelPrinter); |
| } else { |
| return new BlazeQueryEnvironment( |
| queryTransitivePackagePreloader, |
| targetProvider, |
| cachingPackageLocator, |
| targetPatternPreloader, |
| mainRepoTargetParser, |
| keepGoing, |
| strictScope, |
| loadingPhaseThreads, |
| labelFilter, |
| eventHandler, |
| settings, |
| extraFunctions, |
| labelPrinter); |
| } |
| } |
| |
| protected static boolean canUseSkyQuery( |
| boolean orderedResults, |
| UniverseScope universeScope, |
| @Nullable PathPackageLocator packagePath, |
| boolean strictScope, |
| Predicate<Label> labelFilter) { |
| return !orderedResults |
| && !universeScope.isEmpty() |
| && packagePath != null |
| && strictScope |
| && labelFilter == Rule.ALL_LABELS; |
| } |
| } |