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Diffstat (limited to 'include/ScopedLocalRef.h')
-rw-r--r-- | include/ScopedLocalRef.h | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/include/ScopedLocalRef.h b/include/ScopedLocalRef.h deleted file mode 100644 index 71d5776..0000000 --- a/include/ScopedLocalRef.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * 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 SCOPED_LOCAL_REF_H_included -#define SCOPED_LOCAL_REF_H_included - -#include "jni.h" - -#include <stddef.h> - -// A smart pointer that deletes a JNI local reference when it goes out of scope. -template<typename T> -class ScopedLocalRef { -public: - ScopedLocalRef(JNIEnv* env, T localRef) : mEnv(env), mLocalRef(localRef) { - } - - ~ScopedLocalRef() { - reset(); - } - - void reset(T ptr = NULL) { - if (ptr != mLocalRef) { - if (mLocalRef != NULL) { - mEnv->DeleteLocalRef(mLocalRef); - } - mLocalRef = ptr; - } - } - - T release() __attribute__((warn_unused_result)) { - T localRef = mLocalRef; - mLocalRef = NULL; - return localRef; - } - - T get() const { - return mLocalRef; - } - -private: - JNIEnv* mEnv; - T mLocalRef; - - // Disallow copy and assignment. - ScopedLocalRef(const ScopedLocalRef&); - void operator=(const ScopedLocalRef&); -}; - -#endif // SCOPED_LOCAL_REF_H_included |