|  | /* | 
|  | * Copyright (C) 2011 The Android Open Source Project | 
|  | * | 
|  | * 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. | 
|  | */ | 
|  |  | 
|  | #include "reference.h" | 
|  |  | 
|  | namespace art { | 
|  | namespace mirror { | 
|  |  | 
|  | GcRoot<Class> Reference::java_lang_ref_Reference_; | 
|  |  | 
|  | void Reference::SetClass(Class* java_lang_ref_Reference) { | 
|  | CHECK(java_lang_ref_Reference_.IsNull()); | 
|  | CHECK(java_lang_ref_Reference != nullptr); | 
|  | java_lang_ref_Reference_ = GcRoot<Class>(java_lang_ref_Reference); | 
|  | } | 
|  |  | 
|  | void Reference::ResetClass() { | 
|  | CHECK(!java_lang_ref_Reference_.IsNull()); | 
|  | java_lang_ref_Reference_ = GcRoot<Class>(nullptr); | 
|  | } | 
|  |  | 
|  | void Reference::VisitRoots(RootCallback* callback, void* arg) { | 
|  | if (!java_lang_ref_Reference_.IsNull()) { | 
|  | java_lang_ref_Reference_.VisitRoot(callback, arg, 0, kRootStickyClass); | 
|  | } | 
|  | } | 
|  |  | 
|  | }  // namespace mirror | 
|  | }  // namespace art |