1 /*
2  * Copyright (C) 2011 The Android Open Source Project
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 #include "reference.h"
18 
19 namespace art {
20 namespace mirror {
21 
22 GcRoot<Class> Reference::java_lang_ref_Reference_;
23 
SetClass(Class * java_lang_ref_Reference)24 void Reference::SetClass(Class* java_lang_ref_Reference) {
25   CHECK(java_lang_ref_Reference_.IsNull());
26   CHECK(java_lang_ref_Reference != nullptr);
27   java_lang_ref_Reference_ = GcRoot<Class>(java_lang_ref_Reference);
28 }
29 
ResetClass()30 void Reference::ResetClass() {
31   CHECK(!java_lang_ref_Reference_.IsNull());
32   java_lang_ref_Reference_ = GcRoot<Class>(nullptr);
33 }
34 
VisitRoots(RootCallback * callback,void * arg)35 void Reference::VisitRoots(RootCallback* callback, void* arg) {
36   java_lang_ref_Reference_.VisitRootIfNonNull(callback, arg, RootInfo(kRootStickyClass));
37 }
38 
39 }  // namespace mirror
40 }  // namespace art
41