1 files changed, 119 insertions, 0 deletions
diff --git a/platform/indexing-impl/src/com/intellij/openapi/module/impl/scopes/ModuleScopeProviderImpl.java b/platform/indexing-impl/src/com/intellij/openapi/module/impl/scopes/ModuleScopeProviderImpl.java
new file mode 100644
index 000000000000..2e7c581f0976
--- /dev/null
+++ b/platform/indexing-impl/src/com/intellij/openapi/module/impl/scopes/ModuleScopeProviderImpl.java
@@ -0,0 +1,119 @@
+/*
+ * 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.impl.ModuleScopeProvider;
+import com.intellij.psi.search.GlobalSearchScope;
+import com.intellij.util.containers.ConcurrentIntObjectMap;
+import com.intellij.util.containers.StripedLockIntObjectConcurrentHashMap;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Author: dmitrylomov
+ */
+public class ModuleScopeProviderImpl implements ModuleScopeProvider {
+  private final Module myModule;
+  private final ConcurrentIntObjectMap<GlobalSearchScope> myScopeCache = new StripedLockIntObjectConcurrentHashMap<GlobalSearchScope>();
+  private ModuleWithDependentsTestScope myModuleTestsWithDependentsScope;
+
+  public ModuleScopeProviderImpl(@NotNull Module module) {
+    myModule = module;
+  }
+
+  @NotNull
+  private GlobalSearchScope getCachedScope(@ModuleWithDependenciesScope.ScopeConstant int options) {
+    GlobalSearchScope scope = myScopeCache.get(options);
+    if (scope == null) {
+      scope = new ModuleWithDependenciesScope(myModule, options);
+      myScopeCache.put(options, scope);
+    }
+    return scope;
+  }
+
+  @Override
+  @NotNull
+  public GlobalSearchScope getModuleScope() {
+    return getCachedScope(ModuleWithDependenciesScope.COMPILE | ModuleWithDependenciesScope.TESTS);
+  }
+
+  @NotNull
+  @Override
+  public GlobalSearchScope getModuleScope(boolean includeTests) {
+    return getCachedScope(ModuleWithDependenciesScope.COMPILE | (includeTests ? ModuleWithDependenciesScope.TESTS : 0));
+  }
+
+  @Override
+  @NotNull
+  public GlobalSearchScope getModuleWithLibrariesScope() {
+    return getCachedScope(ModuleWithDependenciesScope.COMPILE | ModuleWithDependenciesScope.TESTS | ModuleWithDependenciesScope.LIBRARIES);
+  }
+
+  @Override
+  @NotNull
+  public GlobalSearchScope getModuleWithDependenciesScope() {
+    return getCachedScope(ModuleWithDependenciesScope.COMPILE | ModuleWithDependenciesScope.TESTS | ModuleWithDependenciesScope.MODULES);
+  }
+
+  @NotNull
+  @Override
+  public GlobalSearchScope getModuleContentScope() {
+    return getCachedScope(ModuleWithDependenciesScope.CONTENT);
+  }
+
+  @NotNull
+  @Override
+  public GlobalSearchScope getModuleContentWithDependenciesScope() {
+    return getCachedScope(ModuleWithDependenciesScope.CONTENT | ModuleWithDependenciesScope.MODULES);
+  }
+
+  @Override
+  @NotNull
+  public GlobalSearchScope getModuleWithDependenciesAndLibrariesScope(boolean includeTests) {
+    return getCachedScope(ModuleWithDependenciesScope.COMPILE |
+                          ModuleWithDependenciesScope.MODULES |
+                          ModuleWithDependenciesScope.LIBRARIES | (includeTests ? ModuleWithDependenciesScope.TESTS : 0));
+  }
+
+  @Override
+  @NotNull
+  public GlobalSearchScope getModuleWithDependentsScope() {
+    return getModuleTestsWithDependentsScope().getBaseScope();
+  }
+
+  @Override
+  @NotNull
+  public ModuleWithDependentsTestScope getModuleTestsWithDependentsScope() {
+    ModuleWithDependentsTestScope scope = myModuleTestsWithDependentsScope;
+    if (scope == null) {
+      myModuleTestsWithDependentsScope = scope = new ModuleWithDependentsTestScope(myModule);
+    }
+    return scope;
+  }
+
+  @Override
+  @NotNull
+  public GlobalSearchScope getModuleRuntimeScope(boolean includeTests) {
+    return getCachedScope(
+      ModuleWithDependenciesScope.MODULES | ModuleWithDependenciesScope.LIBRARIES | (includeTests ? ModuleWithDependenciesScope.TESTS : 0));
+  }
+
+  @Override
+  public void clearCache() {
+    myScopeCache.clear();
+    myModuleTestsWithDependentsScope = null;
+  }
+}