| /* |
| * 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. |
| */ |
| |
| package com.android.internal.util; |
| |
| /** |
| * Helper class that contains a strong reference to a VirtualRefBase native |
| * object. This will incStrong in the ctor, and decStrong in the finalizer |
| */ |
| public final class VirtualRefBasePtr { |
| private long mNativePtr; |
| |
| public VirtualRefBasePtr(long ptr) { |
| mNativePtr = ptr; |
| nIncStrong(mNativePtr); |
| } |
| |
| public long get() { |
| return mNativePtr; |
| } |
| |
| public void release() { |
| if (mNativePtr != 0) { |
| nDecStrong(mNativePtr); |
| mNativePtr = 0; |
| } |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| release(); |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| private static native void nIncStrong(long ptr); |
| private static native void nDecStrong(long ptr); |
| } |