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/*
* Copyright (C) 2014 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 "java_lang_ref_Reference.h"
#include "nativehelper/jni_macros.h"
#include "gc/heap.h"
#include "gc/reference_processor.h"
#include "jni/jni_internal.h"
#include "mirror/object-inl.h"
#include "mirror/reference-inl.h"
#include "native_util.h"
#include "scoped_fast_native_object_access-inl.h"
namespace art {
static jobject Reference_getReferent(JNIEnv* env, jobject javaThis) {
ScopedFastNativeObjectAccess soa(env);
const ObjPtr<mirror::Reference> ref = soa.Decode<mirror::Reference>(javaThis);
const ObjPtr<mirror::Object> referent =
Runtime::Current()->GetHeap()->GetReferenceProcessor()->GetReferent(soa.Self(), ref);
return soa.AddLocalReference<jobject>(referent);
}
static void Reference_clearReferent(JNIEnv* env, jobject javaThis) {
ScopedFastNativeObjectAccess soa(env);
const ObjPtr<mirror::Reference> ref = soa.Decode<mirror::Reference>(javaThis);
Runtime::Current()->GetHeap()->GetReferenceProcessor()->ClearReferent(ref);
}
static JNINativeMethod gMethods[] = {
FAST_NATIVE_METHOD(Reference, getReferent, "()Ljava/lang/Object;"),
FAST_NATIVE_METHOD(Reference, clearReferent, "()V"),
};
void register_java_lang_ref_Reference(JNIEnv* env) {
REGISTER_NATIVE_METHODS("java/lang/ref/Reference");
}
} // namespace art