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| <h1>src/main/decaf/util/concurrent/atomic/AtomicRefCounter.h</h1> </div> |
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| <a href="_atomic_ref_counter_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> |
| <a name="l00002"></a>00002 <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</span> |
| <a name="l00003"></a>00003 <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span> |
| <a name="l00004"></a>00004 <span class="comment"> * this work for additional information regarding copyright ownership.</span> |
| <a name="l00005"></a>00005 <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span> |
| <a name="l00006"></a>00006 <span class="comment"> * (the "License"); you may not use this file except in compliance with</span> |
| <a name="l00007"></a>00007 <span class="comment"> * the License. You may obtain a copy of the License at</span> |
| <a name="l00008"></a>00008 <span class="comment"> *</span> |
| <a name="l00009"></a>00009 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <a name="l00010"></a>00010 <span class="comment"> *</span> |
| <a name="l00011"></a>00011 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span> |
| <a name="l00012"></a>00012 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <a name="l00013"></a>00013 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <a name="l00014"></a>00014 <span class="comment"> * See the License for the specific language governing permissions and</span> |
| <a name="l00015"></a>00015 <span class="comment"> * limitations under the License.</span> |
| <a name="l00016"></a>00016 <span class="comment"> */</span> |
| <a name="l00017"></a>00017 |
| <a name="l00018"></a>00018 <span class="preprocessor">#ifndef _DECAF_UTIL_CONCURRENT_ATOMIC_ATOMICREFCOUNTER_H_</span> |
| <a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define _DECAF_UTIL_CONCURRENT_ATOMIC_ATOMICREFCOUNTER_H_</span> |
| <a name="l00020"></a>00020 <span class="preprocessor"></span> |
| <a name="l00021"></a>00021 <span class="preprocessor">#include <decaf/util/concurrent/atomic/AtomicInteger.h></span> |
| <a name="l00022"></a>00022 |
| <a name="l00023"></a>00023 <span class="keyword">namespace </span>decaf{ |
| <a name="l00024"></a>00024 <span class="keyword">namespace </span>util{ |
| <a name="l00025"></a>00025 <span class="keyword">namespace </span>concurrent{ |
| <a name="l00026"></a>00026 <span class="keyword">namespace </span>atomic{ |
| <a name="l00027"></a>00027 |
| <a name="l00028"></a><a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html">00028</a> <span class="keyword">class </span><a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html">AtomicRefCounter</a> { |
| <a name="l00029"></a>00029 <span class="keyword">private</span>: |
| <a name="l00030"></a>00030 |
| <a name="l00031"></a>00031 <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_integer.html" title="An int value that may be updated atomically.">decaf::util::concurrent::atomic::AtomicInteger</a>* counter; |
| <a name="l00032"></a>00032 |
| <a name="l00033"></a>00033 <span class="keyword">private</span>: |
| <a name="l00034"></a>00034 |
| <a name="l00035"></a>00035 <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html">AtomicRefCounter</a>& operator= ( <span class="keyword">const</span> <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html">AtomicRefCounter</a>& ); |
| <a name="l00036"></a>00036 |
| <a name="l00037"></a>00037 <span class="keyword">public</span>: |
| <a name="l00038"></a>00038 |
| <a name="l00039"></a><a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#acd2ac520e8a5d417bf501d0ddd1f39bf">00039</a> <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#acd2ac520e8a5d417bf501d0ddd1f39bf">AtomicRefCounter</a>() : |
| <a name="l00040"></a>00040 counter( new decaf::util::concurrent::atomic::<a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_integer.html" title="An int value that may be updated atomically.">AtomicInteger</a>( 1 ) ) {} |
| <a name="l00041"></a><a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#adb24865e372a16ecd0ef9f2e66495f15">00041</a> <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#adb24865e372a16ecd0ef9f2e66495f15">AtomicRefCounter</a>( <span class="keyword">const</span> <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html">AtomicRefCounter</a>& other ) : counter( other.counter ) { |
| <a name="l00042"></a>00042 this->counter-><a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_integer.html#a58c89f04003c973fb121034be7ab9602" title="Atomically increments by one the current value.">incrementAndGet</a>(); |
| <a name="l00043"></a>00043 } |
| <a name="l00044"></a>00044 |
| <a name="l00045"></a><a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#a0cab544e2d067c6f4d08345713283081">00045</a> <span class="keyword">virtual</span> <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#a0cab544e2d067c6f4d08345713283081">~AtomicRefCounter</a>() {} |
| <a name="l00046"></a>00046 |
| <a name="l00047"></a>00047 <span class="keyword">protected</span>: |
| <a name="l00048"></a>00048 |
| <a name="l00056"></a><a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#a4cd1700ec8fcb723b58ae46c7e5ac743">00056</a> <span class="keywordtype">void</span> <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#a4cd1700ec8fcb723b58ae46c7e5ac743" title="Swaps this instance&#39;s reference counter with the one given, this allows for copy-and-swap semanti...">swap</a>( <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html">AtomicRefCounter</a>& other ) { |
| <a name="l00057"></a>00057 <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#a4cd1700ec8fcb723b58ae46c7e5ac743" title="Swaps this instance&#39;s reference counter with the one given, this allows for copy-and-swap semanti...">std::swap</a>( this->counter, other.counter ); |
| <a name="l00058"></a>00058 } |
| <a name="l00059"></a>00059 |
| <a name="l00067"></a><a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#a3a9ac8a2f35c91589b7db0f6e267c7a2">00067</a> <span class="keywordtype">bool</span> <a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_ref_counter.html#a3a9ac8a2f35c91589b7db0f6e267c7a2" title="Removes a reference to the counter Atomically and returns if the counter has reached zero...">release</a>() { |
| <a name="l00068"></a>00068 <span class="keywordflow">if</span>( this->counter-><a class="code" href="classdecaf_1_1util_1_1concurrent_1_1atomic_1_1_atomic_integer.html#ab136f0393a88a63ca533b572629b3402" title="Atomically decrements by one the current value.">decrementAndGet</a>() == 0 ) { |
| <a name="l00069"></a>00069 <span class="keyword">delete</span> this->counter; |
| <a name="l00070"></a>00070 <span class="keywordflow">return</span> <span class="keyword">true</span>; |
| <a name="l00071"></a>00071 } |
| <a name="l00072"></a>00072 <span class="keywordflow">return</span> <span class="keyword">false</span>; |
| <a name="l00073"></a>00073 } |
| <a name="l00074"></a>00074 }; |
| <a name="l00075"></a>00075 |
| <a name="l00076"></a>00076 }}}} |
| <a name="l00077"></a>00077 |
| <a name="l00078"></a>00078 <span class="preprocessor">#endif </span><span class="comment">/* _DECAF_UTIL_CONCURRENT_ATOMIC_ATOMICREFCOUNTER_H_ */</span> |
| </pre></div></div> |
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