| /* |
| * Copyright 2016 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.idea.blaze.base.rulemaps; |
| |
| import com.google.common.collect.ImmutableCollection; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMultimap; |
| import com.google.idea.blaze.base.ideinfo.ArtifactLocation; |
| import com.google.idea.blaze.base.ideinfo.RuleIdeInfo; |
| import com.google.idea.blaze.base.model.BlazeProjectData; |
| import com.google.idea.blaze.base.model.primitives.Label; |
| import com.google.idea.blaze.base.projectview.ProjectViewSet; |
| import com.google.idea.blaze.base.settings.BlazeImportSettings; |
| import com.google.idea.blaze.base.sync.SyncListener; |
| import com.google.idea.blaze.base.sync.data.BlazeProjectDataManager; |
| import com.intellij.openapi.components.ServiceManager; |
| import com.intellij.openapi.project.Project; |
| |
| import javax.annotation.Nullable; |
| import java.io.File; |
| |
| /** |
| * Maps source files to their respective targets |
| */ |
| public class SourceToRuleMapImpl implements SourceToRuleMap { |
| private final Project project; |
| private ImmutableMultimap<File, Label> sourceToTargetMap; |
| |
| public static SourceToRuleMapImpl getImpl(Project project) { |
| return (SourceToRuleMapImpl) ServiceManager.getService(project, SourceToRuleMap.class); |
| } |
| |
| public SourceToRuleMapImpl(Project project) { |
| this.project = project; |
| } |
| |
| @Override |
| public ImmutableCollection<Label> getTargetsForSourceFile(File file) { |
| ImmutableMultimap<File, Label> sourceToTargetMap = getSourceToTargetMap(); |
| return sourceToTargetMap != null ? sourceToTargetMap.get(file) : ImmutableList.of(); |
| } |
| |
| @Nullable |
| private synchronized ImmutableMultimap<File, Label> getSourceToTargetMap() { |
| if (this.sourceToTargetMap == null) { |
| this.sourceToTargetMap = initSourceToTargetMap(); |
| } |
| return this.sourceToTargetMap; |
| } |
| |
| private synchronized void clearSourceToTargetMap() { |
| this.sourceToTargetMap = null; |
| } |
| |
| @Nullable |
| private ImmutableMultimap<File, Label> initSourceToTargetMap() { |
| BlazeProjectData blazeProjectData = BlazeProjectDataManager.getInstance(project).getBlazeProjectData(); |
| if (blazeProjectData == null) { |
| return null; |
| } |
| ImmutableMultimap.Builder<File, Label> sourceToTargetMap = ImmutableMultimap.builder(); |
| for (RuleIdeInfo rule : blazeProjectData.ruleMap.values()) { |
| Label label = rule.label; |
| for (ArtifactLocation sourceArtifact : rule.sources) { |
| sourceToTargetMap.put(sourceArtifact.getFile(), label); |
| } |
| } |
| return sourceToTargetMap.build(); |
| } |
| |
| static class ClearSourceToTargetMap extends SyncListener.Adapter { |
| @Override |
| public void onSyncComplete(Project project, |
| BlazeImportSettings importSettings, |
| ProjectViewSet projectViewSet, |
| BlazeProjectData blazeProjectData) { |
| getImpl(project).clearSourceToTargetMap(); |
| } |
| } |
| } |