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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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.intellij.openapi.module.impl.scopes;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.*;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.search.ProjectScope;
import com.intellij.psi.util.CachedValueProvider;
import com.intellij.psi.util.CachedValuesManager;
import com.intellij.util.containers.MultiMap;
import com.intellij.util.containers.Queue;
import gnu.trove.THashSet;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.Set;
/**
* @author max
*/
class ModuleWithDependentsScope extends GlobalSearchScope {
private final Module myModule;
private final ProjectFileIndex myProjectFileIndex;
private final Set<Module> myModules;
private final GlobalSearchScope myProjectScope;
ModuleWithDependentsScope(@NotNull Module module) {
super(module.getProject());
myModule = module;
myProjectFileIndex = ProjectRootManager.getInstance(module.getProject()).getFileIndex();
myProjectScope = ProjectScope.getProjectScope(module.getProject());
myModules = new THashSet<Module>();
myModules.add(module);
fillModules();
}
private void fillModules() {
ModuleIndex index = getModuleIndex(myModule.getProject());
Queue<Module> walkingQueue = new Queue<Module>(10);
walkingQueue.addLast(myModule);
while (!walkingQueue.isEmpty()) {
Module current = walkingQueue.pullFirst();
myModules.addAll(index.plainUsages.get(current));
for (Module dependent : index.exportingUsages.get(current)) {
if (myModules.add(dependent)) {
walkingQueue.addLast(dependent);
}
}
}
}
private static class ModuleIndex {
final MultiMap<Module, Module> plainUsages = MultiMap.create();
final MultiMap<Module, Module> exportingUsages = MultiMap.create();
}
private static ModuleIndex getModuleIndex(final Project project) {
return CachedValuesManager.getManager(project).getCachedValue(project, new CachedValueProvider<ModuleIndex>() {
@Nullable
@Override
public Result<ModuleIndex> compute() {
ModuleIndex index = new ModuleIndex();
for (Module module : ModuleManager.getInstance(project).getModules()) {
for (OrderEntry orderEntry : ModuleRootManager.getInstance(module).getOrderEntries()) {
if (orderEntry instanceof ModuleOrderEntry) {
Module referenced = ((ModuleOrderEntry)orderEntry).getModule();
if (referenced != null) {
MultiMap<Module, Module> map = ((ModuleOrderEntry)orderEntry).isExported() ? index.exportingUsages : index.plainUsages;
map.putValue(referenced, module);
}
}
}
}
return Result.create(index, ProjectRootManager.getInstance(project));
}
});
}
@Override
public boolean contains(@NotNull VirtualFile file) {
return contains(file, false);
}
boolean contains(@NotNull VirtualFile file, boolean myOnlyTests) {
Module moduleOfFile = myProjectFileIndex.getModuleForFile(file);
if (moduleOfFile == null || !myModules.contains(moduleOfFile)) return false;
if (myOnlyTests && !myProjectFileIndex.isInTestSourceContent(file)) return false;
return myProjectScope.contains(file);
}
@Override
public int compare(@NotNull VirtualFile file1, @NotNull VirtualFile file2) {
return 0;
}
@Override
public boolean isSearchInModuleContent(@NotNull Module aModule) {
return myModules.contains(aModule);
}
@Override
public boolean isSearchInLibraries() {
return false;
}
@NonNls
public String toString() {
return "Module with dependents:" + myModule.getName();
}
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof ModuleWithDependentsScope)) return false;
final ModuleWithDependentsScope moduleWithDependentsScope = (ModuleWithDependentsScope)o;
return myModule.equals(moduleWithDependentsScope.myModule);
}
public int hashCode() {
return myModule.hashCode();
}
}
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