| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> |
| <meta http-equiv="X-UA-Compatible" content="IE=9"/> |
| <meta name="generator" content="Doxygen 1.8.6"/> |
| <title>Impala: be/src/util/internal-queue.h Source File</title> |
| <link href="tabs.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="jquery.js"></script> |
| <script type="text/javascript" src="dynsections.js"></script> |
| <link href="navtree.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="resize.js"></script> |
| <script type="text/javascript" src="navtree.js"></script> |
| <script type="text/javascript"> |
| $(document).ready(initResizable); |
| $(window).load(resizeHeight); |
| </script> |
| <link href="search/search.css" rel="stylesheet" type="text/css"/> |
| <script type="text/javascript" src="search/search.js"></script> |
| <script type="text/javascript"> |
| $(document).ready(function() { searchBox.OnSelectItem(0); }); |
| </script> |
| <link href="doxygen.css" rel="stylesheet" type="text/css" /> |
| </head> |
| <body> |
| <div id="top"><!-- do not remove this div, it is closed by doxygen! --> |
| <div id="titlearea"> |
| <table cellspacing="0" cellpadding="0"> |
| <tbody> |
| <tr style="height: 56px;"> |
| <td style="padding-left: 0.5em;"> |
| <div id="projectname">Impala |
| </div> |
| <div id="projectbrief">Impalaistheopensource,nativeanalyticdatabaseforApacheHadoop.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <!-- end header part --> |
| <!-- Generated by Doxygen 1.8.6 --> |
| <script type="text/javascript"> |
| var searchBox = new SearchBox("searchBox", "search",false,'Search'); |
| </script> |
| <div id="navrow1" class="tabs"> |
| <ul class="tablist"> |
| <li><a href="index.html"><span>Main Page</span></a></li> |
| <li><a href="namespaces.html"><span>Namespaces</span></a></li> |
| <li><a href="annotated.html"><span>Classes</span></a></li> |
| <li class="current"><a href="files.html"><span>Files</span></a></li> |
| <li> |
| <div id="MSearchBox" class="MSearchBoxInactive"> |
| <span class="left"> |
| <img id="MSearchSelect" src="search/mag_sel.png" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| alt=""/> |
| <input type="text" id="MSearchField" value="Search" accesskey="S" |
| onfocus="searchBox.OnSearchFieldFocus(true)" |
| onblur="searchBox.OnSearchFieldFocus(false)" |
| onkeyup="searchBox.OnSearchFieldChange(event)"/> |
| </span><span class="right"> |
| <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> |
| </span> |
| </div> |
| </li> |
| </ul> |
| </div> |
| <div id="navrow2" class="tabs2"> |
| <ul class="tablist"> |
| <li><a href="files.html"><span>File List</span></a></li> |
| <li><a href="globals.html"><span>File Members</span></a></li> |
| </ul> |
| </div> |
| </div><!-- top --> |
| <div id="side-nav" class="ui-resizable side-nav-resizable"> |
| <div id="nav-tree"> |
| <div id="nav-tree-contents"> |
| <div id="nav-sync" class="sync"></div> |
| </div> |
| </div> |
| <div id="splitbar" style="-moz-user-select:none;" |
| class="ui-resizable-handle"> |
| </div> |
| </div> |
| <script type="text/javascript"> |
| $(document).ready(function(){initNavTree('internal-queue_8h_source.html','');}); |
| </script> |
| <div id="doc-content"> |
| <!-- window showing the filter options --> |
| <div id="MSearchSelectWindow" |
| onmouseover="return searchBox.OnSearchSelectShow()" |
| onmouseout="return searchBox.OnSearchSelectHide()" |
| onkeydown="return searchBox.OnSearchSelectKey(event)"> |
| <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Macros</a></div> |
| |
| <!-- iframe showing the search results (closed by default) --> |
| <div id="MSearchResultsWindow"> |
| <iframe src="javascript:void(0)" frameborder="0" |
| name="MSearchResults" id="MSearchResults"> |
| </iframe> |
| </div> |
| |
| <div class="header"> |
| <div class="headertitle"> |
| <div class="title">internal-queue.h</div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| <a href="internal-queue_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2013 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifndef IMPALA_UTIL_INTERNAL_QUEUE_H</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor">#define IMPALA_UTIL_INTERNAL_QUEUE_H</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <boost/thread/locks.hpp></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="atomic_8h.html">common/atomic.h</a>"</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="spinlock_8h.html">util/spinlock.h</a>"</span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>impala {</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html"> 40</a></span> <span class="keyword">class </span><a class="code" href="classimpala_1_1InternalQueue.html">InternalQueue</a> {</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structimpala_1_1InternalQueue_1_1Node.html"> 42</a></span>  <span class="keyword">struct </span><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html">Node</a> {</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="structimpala_1_1InternalQueue_1_1Node.html#a7a29606aacbacccffff2744a09f7caae"> 44</a></span>  <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a7a29606aacbacccffff2744a09f7caae">Node</a>() : <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a7e796e747589613b381439522e9e40e7">parent_queue</a>(NULL), <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5">next</a>(NULL), <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">prev</a>(NULL) {}</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structimpala_1_1InternalQueue_1_1Node.html#a5a3fd5ee82df7c9917e7ce8df9c19b79"> 45</a></span>  <span class="keyword">virtual</span> <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a5a3fd5ee82df7c9917e7ce8df9c19b79">~Node</a>() {}</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> |
| <div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="structimpala_1_1InternalQueue_1_1Node.html#a509c8676cbcf1c4a1aea4075c3c469c7"> 48</a></span>  T* <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a509c8676cbcf1c4a1aea4075c3c469c7">Next</a>()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a7e796e747589613b381439522e9e40e7">parent_queue</a>-><a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(<a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5">next</a>);</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="structimpala_1_1InternalQueue_1_1Node.html#a4ed10cff8d74c3d63f3235ad6a29dcd2"> 52</a></span>  T* <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a4ed10cff8d74c3d63f3235ad6a29dcd2">Prev</a>()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a7e796e747589613b381439522e9e40e7">parent_queue</a>-><a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(<a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">prev</a>);</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structimpala_1_1InternalQueue_1_1Node.html#af54ce698a41301892eddf8d9ab827789"> 58</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classimpala_1_1InternalQueue.html">InternalQueue</a>;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> |
| <div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="structimpala_1_1InternalQueue_1_1Node.html#a7e796e747589613b381439522e9e40e7"> 61</a></span>  <a class="code" href="classimpala_1_1InternalQueue.html">InternalQueue</a>* <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a7e796e747589613b381439522e9e40e7">parent_queue</a>;</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5"> 62</a></span>  <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html">Node</a>* <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5">next</a>;</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037"> 63</a></span>  <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html">Node</a>* <a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">prev</a>;</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  };</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> |
| <div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a5739ba55d9c674d8e2ea035da6b78f0f"> 66</a></span>  <a class="code" href="classimpala_1_1InternalQueue.html#a5739ba55d9c674d8e2ea035da6b78f0f">InternalQueue</a>() : <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>(NULL), <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a>(NULL), <a class="code" href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9">size_</a>(0) {}</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> |
| <div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a4ddf9cb50f93841c02395b4b159c94a1"> 70</a></span>  T* <a class="code" href="classimpala_1_1InternalQueue.html#a4ddf9cb50f93841c02395b4b159c94a1">head</a>()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a60d46a4f9b882b9b31cd100f9bf82855">empty</a>()) <span class="keywordflow">return</span> NULL;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(<a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>);</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> |
| <div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a16b623105827c5637938cb09da779bee"> 78</a></span>  T* <a class="code" href="classimpala_1_1InternalQueue.html#a16b623105827c5637938cb09da779bee">tail</a>() {</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a60d46a4f9b882b9b31cd100f9bf82855">empty</a>()) <span class="keywordflow">return</span> NULL;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(<a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a>);</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div> |
| <div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#ae977e9d150cf82e0e991328192997c2b"> 85</a></span>  <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1InternalQueue.html#ae977e9d150cf82e0e991328192997c2b">Enqueue</a>(T* n) {</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>* node = (<a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>*)n;</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  DCHECK(node->next == NULL);</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  DCHECK(node->prev == NULL);</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  DCHECK(node->parent_queue == NULL);</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  node->parent_queue = <span class="keyword">this</span>;</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a> != NULL) <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a>-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5">next</a> = node;</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  node-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">prev</a> = <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a>;</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a> = node;</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> == NULL) <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> = node;</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  ++<a class="code" href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9">size_</a>;</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> |
| <div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a0049250c8a66fc7b3e9bd9047c328dba"> 103</a></span>  T* <a class="code" href="classimpala_1_1InternalQueue.html#a0049250c8a66fc7b3e9bd9047c328dba">Dequeue</a>() {</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>* result = NULL;</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  {</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a60d46a4f9b882b9b31cd100f9bf82855">empty</a>()) <span class="keywordflow">return</span> NULL;</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  --<a class="code" href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9">size_</a>;</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  result = <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>;</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> = <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5">next</a>;</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> == NULL) {</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a> = NULL;</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">prev</a> = NULL;</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  DCHECK(result != NULL);</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  result->next = result->prev = NULL;</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  result->parent_queue = NULL;</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(result);</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div> |
| <div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a47d8ad3f6865fdf715711809b91ad27c"> 125</a></span>  T* <a class="code" href="classimpala_1_1InternalQueue.html#a47d8ad3f6865fdf715711809b91ad27c">PopBack</a>() {</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>* result = NULL;</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  {</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a60d46a4f9b882b9b31cd100f9bf82855">empty</a>()) <span class="keywordflow">return</span> NULL;</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  --<a class="code" href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9">size_</a>;</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  result = <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a>;</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a> = <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a>-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">prev</a>;</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a> == NULL) {</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> = NULL;</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a>-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5">next</a> = NULL;</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  DCHECK(result != NULL);</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  result->next = result->prev = NULL;</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  result->parent_queue = NULL;</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> <span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(result);</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div> |
| <div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a07a8289fb6a727343e2c389955558786"> 147</a></span>  <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1InternalQueue.html#a07a8289fb6a727343e2c389955558786">Remove</a>(T* n) {</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>* node = (<a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>*)n;</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (node->parent_queue == NULL) <span class="keywordflow">return</span>;</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  DCHECK(node->parent_queue == <span class="keyword">this</span>);</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (node->next == NULL && node->prev == NULL) {</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// Removing only node</span></div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  DCHECK(node == <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>);</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  DCHECK(<a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a> == node);</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> = <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a> = NULL;</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  --<a class="code" href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9">size_</a>;</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  node->parent_queue = NULL;</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span>;</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> == node) {</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  DCHECK(node->prev == NULL);</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> = node-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5">next</a>;</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  DCHECK(node->prev != NULL);</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  node->prev->next = node->next;</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (node == <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a>) {</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  DCHECK(node->next == NULL);</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a> = node-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">prev</a>;</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (node->next != NULL) {</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  node-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5">next</a>-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">prev</a> = node-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">prev</a>;</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  --<a class="code" href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9">size_</a>;</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  node->next = node->prev = NULL;</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  node->parent_queue = NULL;</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div> |
| <div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a92021f237cc79e639de6fcc2d3d3a227"> 184</a></span>  <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1InternalQueue.html#a92021f237cc79e639de6fcc2d3d3a227">Clear</a>() {</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>* cur = <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>;</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">while</span> (cur != NULL) {</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>* tmp = cur;</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  cur = cur->next;</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  tmp->prev = tmp->next = NULL;</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  tmp->parent_queue = NULL;</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9">size_</a> = 0;</div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> = <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a> = NULL;</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div> |
| <div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a63c115dd7ec0660b86b2920b849ab31a"> 197</a></span>  <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1InternalQueue.html#a63c115dd7ec0660b86b2920b849ab31a">size</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9">size_</a>; }</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a60d46a4f9b882b9b31cd100f9bf82855"> 198</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1InternalQueue.html#a60d46a4f9b882b9b31cd100f9bf82855">empty</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> == NULL; }</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div> |
| <div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a4bf7ec4f5a9802e8aad73851455f9d27"> 202</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1InternalQueue.html#a4bf7ec4f5a9802e8aad73851455f9d27">Contains</a>(<span class="keyword">const</span> T* target)<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">return</span> target->parent_queue == <span class="keyword">this</span>;</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div> |
| <div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a6e8fb39d9e4f6e0d3d0062d975183c87"> 207</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1InternalQueue.html#a6e8fb39d9e4f6e0d3d0062d975183c87">Validate</a>() {</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">int</span> num_elements_found = 0;</div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a> == NULL) {</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a> != NULL) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a63c115dd7ec0660b86b2920b849ab31a">size</a>() != 0) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  }</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">prev</a> != NULL) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>* current = <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>;</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">while</span> (current != NULL) {</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">if</span> (current->parent_queue != <span class="keyword">this</span>) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  ++num_elements_found;</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>* next = current->next;</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> (next == NULL) {</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (current != <a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a>) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (next->prev != current) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  current = next;</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (num_elements_found != <a class="code" href="classimpala_1_1InternalQueue.html#a63c115dd7ec0660b86b2920b849ab31a">size</a>()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div> |
| <div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a094efc2909c2038e9983470ddff80c28"> 234</a></span>  std::string <a class="code" href="classimpala_1_1InternalQueue.html#a094efc2909c2038e9983470ddff80c28">DebugString</a>() {</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  std::stringstream ss;</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  ss << <span class="stringliteral">"("</span>;</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  {</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  boost::lock_guard<SpinLock> lock(<a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>);</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>* curr = <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>;</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">while</span> (curr != NULL) {</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  ss << (<span class="keywordtype">void</span>*)curr;</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  curr = curr-><a class="code" href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5">next</a>;</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  ss << <span class="stringliteral">")"</span>;</div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> ss.str();</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9"> 250</a></span>  <span class="keyword">friend</span> <span class="keyword">struct </span><a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>;</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576"> 251</a></span>  <span class="keyword">mutable</span> <a class="code" href="classimpala_1_1SpinLock.html">SpinLock</a> <a class="code" href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">lock_</a>;</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014"> 252</a></span>  <a class="code" href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">Node</a>* <a class="code" href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">head_</a>, *<a class="code" href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">tail_</a>;</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"><a class="line" href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9"> 253</a></span>  <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9">size_</a>;</div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span> };</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span> }</div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor">#endif</span></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a0049250c8a66fc7b3e9bd9047c328dba"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a0049250c8a66fc7b3e9bd9047c328dba">impala::InternalQueue::Dequeue</a></div><div class="ttdeci">T * Dequeue()</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00103">internal-queue.h:103</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a63c115dd7ec0660b86b2920b849ab31a"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a63c115dd7ec0660b86b2920b849ab31a">impala::InternalQueue::size</a></div><div class="ttdeci">int size() const </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00197">internal-queue.h:197</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a177129dbc435bc38c4e820ec731b7014"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a177129dbc435bc38c4e820ec731b7014">impala::InternalQueue::tail_</a></div><div class="ttdeci">Node * tail_</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00252">internal-queue.h:252</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a8cf16156882618999591f44d23050576"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a8cf16156882618999591f44d23050576">impala::InternalQueue::lock_</a></div><div class="ttdeci">SpinLock lock_</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00251">internal-queue.h:251</a></div></div> |
| <div class="ttc" id="classimpala_1_1SpinLock_html"><div class="ttname"><a href="classimpala_1_1SpinLock.html">impala::SpinLock</a></div><div class="ttdoc">Lightweight spinlock. </div><div class="ttdef"><b>Definition:</b> <a href="spinlock_8h_source.html#l00024">spinlock.h:24</a></div></div> |
| <div class="ttc" id="spinlock_8h_html"><div class="ttname"><a href="spinlock_8h.html">spinlock.h</a></div></div> |
| <div class="ttc" id="structimpala_1_1InternalQueue_1_1Node_html"><div class="ttname"><a href="structimpala_1_1InternalQueue_1_1Node.html">impala::InternalQueue::Node</a></div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00042">internal-queue.h:42</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a4ddf9cb50f93841c02395b4b159c94a1"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a4ddf9cb50f93841c02395b4b159c94a1">impala::InternalQueue::head</a></div><div class="ttdeci">T * head() const </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00070">internal-queue.h:70</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a5739ba55d9c674d8e2ea035da6b78f0f"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a5739ba55d9c674d8e2ea035da6b78f0f">impala::InternalQueue::InternalQueue</a></div><div class="ttdeci">InternalQueue()</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00066">internal-queue.h:66</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a6eb9c656e3dac5ea4261bdcf70683ef9"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a6eb9c656e3dac5ea4261bdcf70683ef9">impala::InternalQueue::Node</a></div><div class="ttdeci">friend struct Node</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00250">internal-queue.h:250</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_ad9bd656ee58578c46fc78b49ccb28cc9"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#ad9bd656ee58578c46fc78b49ccb28cc9">impala::InternalQueue::size_</a></div><div class="ttdeci">int size_</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00253">internal-queue.h:253</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a4bf7ec4f5a9802e8aad73851455f9d27"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a4bf7ec4f5a9802e8aad73851455f9d27">impala::InternalQueue::Contains</a></div><div class="ttdeci">bool Contains(const T *target) const </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00202">internal-queue.h:202</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a07a8289fb6a727343e2c389955558786"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a07a8289fb6a727343e2c389955558786">impala::InternalQueue::Remove</a></div><div class="ttdeci">void Remove(T *n)</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00147">internal-queue.h:147</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_ae977e9d150cf82e0e991328192997c2b"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#ae977e9d150cf82e0e991328192997c2b">impala::InternalQueue::Enqueue</a></div><div class="ttdeci">void Enqueue(T *n)</div><div class="ttdoc">Enqueue node onto the queue's tail. This is O(1). </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00085">internal-queue.h:85</a></div></div> |
| <div class="ttc" id="atomic_8h_html"><div class="ttname"><a href="atomic_8h.html">atomic.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a92021f237cc79e639de6fcc2d3d3a227"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a92021f237cc79e639de6fcc2d3d3a227">impala::InternalQueue::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdoc">Clears all elements in the list. </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00184">internal-queue.h:184</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a094efc2909c2038e9983470ddff80c28"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a094efc2909c2038e9983470ddff80c28">impala::InternalQueue::DebugString</a></div><div class="ttdeci">std::string DebugString()</div><div class="ttdoc">Prints the queue ptrs to a string. </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00234">internal-queue.h:234</a></div></div> |
| <div class="ttc" id="structimpala_1_1InternalQueue_1_1Node_html_a7e796e747589613b381439522e9e40e7"><div class="ttname"><a href="structimpala_1_1InternalQueue_1_1Node.html#a7e796e747589613b381439522e9e40e7">impala::InternalQueue::Node::parent_queue</a></div><div class="ttdeci">InternalQueue * parent_queue</div><div class="ttdoc">Pointer to the queue this Node is on. NULL if not on any queue. </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00061">internal-queue.h:61</a></div></div> |
| <div class="ttc" id="structimpala_1_1InternalQueue_1_1Node_html_a4ed10cff8d74c3d63f3235ad6a29dcd2"><div class="ttname"><a href="structimpala_1_1InternalQueue_1_1Node.html#a4ed10cff8d74c3d63f3235ad6a29dcd2">impala::InternalQueue::Node::Prev</a></div><div class="ttdeci">T * Prev() const </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00052">internal-queue.h:52</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html"><div class="ttname"><a href="classimpala_1_1InternalQueue.html">impala::InternalQueue</a></div><div class="ttdoc">T must be a subclass of InternalQueue::Node. </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00040">internal-queue.h:40</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a47d8ad3f6865fdf715711809b91ad27c"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a47d8ad3f6865fdf715711809b91ad27c">impala::InternalQueue::PopBack</a></div><div class="ttdeci">T * PopBack()</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00125">internal-queue.h:125</a></div></div> |
| <div class="ttc" id="structimpala_1_1InternalQueue_1_1Node_html_a509c8676cbcf1c4a1aea4075c3c469c7"><div class="ttname"><a href="structimpala_1_1InternalQueue_1_1Node.html#a509c8676cbcf1c4a1aea4075c3c469c7">impala::InternalQueue::Node::Next</a></div><div class="ttdeci">T * Next() const </div><div class="ttdoc">Returns the Next/Prev node or NULL if this is the end/front. </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00048">internal-queue.h:48</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a6e8fb39d9e4f6e0d3d0062d975183c87"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a6e8fb39d9e4f6e0d3d0062d975183c87">impala::InternalQueue::Validate</a></div><div class="ttdeci">bool Validate()</div><div class="ttdoc">Validates the internal structure of the list. </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00207">internal-queue.h:207</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a16b623105827c5637938cb09da779bee"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a16b623105827c5637938cb09da779bee">impala::InternalQueue::tail</a></div><div class="ttdeci">T * tail()</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00078">internal-queue.h:78</a></div></div> |
| <div class="ttc" id="structimpala_1_1InternalQueue_1_1Node_html_a7a29606aacbacccffff2744a09f7caae"><div class="ttname"><a href="structimpala_1_1InternalQueue_1_1Node.html#a7a29606aacbacccffff2744a09f7caae">impala::InternalQueue::Node::Node</a></div><div class="ttdeci">Node()</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00044">internal-queue.h:44</a></div></div> |
| <div class="ttc" id="structimpala_1_1InternalQueue_1_1Node_html_a5a3fd5ee82df7c9917e7ce8df9c19b79"><div class="ttname"><a href="structimpala_1_1InternalQueue_1_1Node.html#a5a3fd5ee82df7c9917e7ce8df9c19b79">impala::InternalQueue::Node::~Node</a></div><div class="ttdeci">virtual ~Node()</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00045">internal-queue.h:45</a></div></div> |
| <div class="ttc" id="structimpala_1_1InternalQueue_1_1Node_html_a137cbd92e9149c17f1e21d19e63aa037"><div class="ttname"><a href="structimpala_1_1InternalQueue_1_1Node.html#a137cbd92e9149c17f1e21d19e63aa037">impala::InternalQueue::Node::prev</a></div><div class="ttdeci">Node * prev</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00063">internal-queue.h:63</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a276947491c8620d62aa8717b9ba92373"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a276947491c8620d62aa8717b9ba92373">impala::InternalQueue::head_</a></div><div class="ttdeci">Node * head_</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00252">internal-queue.h:252</a></div></div> |
| <div class="ttc" id="classimpala_1_1InternalQueue_html_a60d46a4f9b882b9b31cd100f9bf82855"><div class="ttname"><a href="classimpala_1_1InternalQueue.html#a60d46a4f9b882b9b31cd100f9bf82855">impala::InternalQueue::empty</a></div><div class="ttdeci">bool empty() const </div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00198">internal-queue.h:198</a></div></div> |
| <div class="ttc" id="structimpala_1_1InternalQueue_1_1Node_html_ab0514f09d907c1cdfdab8f0d898844a5"><div class="ttname"><a href="structimpala_1_1InternalQueue_1_1Node.html#ab0514f09d907c1cdfdab8f0d898844a5">impala::InternalQueue::Node::next</a></div><div class="ttdeci">Node * next</div><div class="ttdef"><b>Definition:</b> <a href="internal-queue_8h_source.html#l00062">internal-queue.h:62</a></div></div> |
| </div><!-- fragment --></div><!-- contents --> |
| </div><!-- doc-content --> |
| <!-- start footer part --> |
| <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> |
| <ul> |
| <li class="navelem"><a class="el" href="dir_e5d120be6b5e8a44336cbfd013b25604.html">be</a></li><li class="navelem"><a class="el" href="dir_68cf7cafb51a962d5bc4848b83cab0de.html">src</a></li><li class="navelem"><a class="el" href="dir_6939c8639261a9303da2cde491b82898.html">util</a></li><li class="navelem"><a class="el" href="internal-queue_8h.html">internal-queue.h</a></li> |
| <li class="footer">Generated on Thu May 7 2015 16:10:37 for Impala by |
| <a href="http://www.doxygen.org/index.html"> |
| <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 </li> |
| </ul> |
| </div> |
| </body> |
| </html> |
