java/java-impl/src/com/intellij/psi/impl/java/stubs/index/JavaAnnotationIndex.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /*
  18  * @author max
  19  */
  20 package com.intellij.psi.impl.java.stubs.index;
  21
  22 import com.intellij.openapi.project.Project;
  23 import com.intellij.psi.PsiAnnotation;
  24 import com.intellij.psi.impl.search.JavaSourceFilterScope;
  25 import com.intellij.psi.search.GlobalSearchScope;
  26 import com.intellij.psi.stubs.StringStubIndexExtension;
  27 import com.intellij.psi.stubs.StubIndexKey;
  28
  29 import java.util.Collection;
  30
  31 public class JavaAnnotationIndex extends StringStubIndexExtension<PsiAnnotation> {
  32   public static final StubIndexKey<String,PsiAnnotation> KEY = StubIndexKey.createIndexKey("java.annotations");
  33
  34   private static final JavaAnnotationIndex ourInstance = new JavaAnnotationIndex();
  35   public static JavaAnnotationIndex getInstance() {
  36     return ourInstance;
  37   }
  38
  39   public StubIndexKey<String, PsiAnnotation> getKey() {
  40     return KEY;
  41   }
  42
  43   public Collection<PsiAnnotation> get(final String s, final Project project, final GlobalSearchScope scope) {
  44     return super.get(s, project, new JavaSourceFilterScope(scope, project));
  45   }
  46 }