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/*
* Copyright (C) 2010 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.
*/
#ifndef ART_TEST_TI_AGENT_SCOPED_LOCAL_REF_H_
#define ART_TEST_TI_AGENT_SCOPED_LOCAL_REF_H_
#include "jni.h"
#include <stddef.h>
#include "android-base/macros.h"
namespace art {
template<typename T>
class ScopedLocalRef {
public:
ScopedLocalRef(JNIEnv* env, T localRef) : mEnv(env), mLocalRef(localRef) {
}
~ScopedLocalRef() {
reset();
}
void reset(T ptr = nullptr) {
if (ptr != mLocalRef) {
if (mLocalRef != nullptr) {
mEnv->DeleteLocalRef(mLocalRef);
}
mLocalRef = ptr;
}
}
T release() WARN_UNUSED {
T localRef = mLocalRef;
mLocalRef = nullptr;
return localRef;
}
T get() const {
return mLocalRef;
}
private:
JNIEnv* const mEnv;
T mLocalRef;
DISALLOW_COPY_AND_ASSIGN(ScopedLocalRef);
};
} // namespace art
#endif // ART_TEST_TI_AGENT_SCOPED_LOCAL_REF_H_