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<a class="jxr_linenumber" name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> fspotcloud.server.model.command;
<a class="jxr_linenumber" name="2" href="#2">2</a>   
<a class="jxr_linenumber" name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="4" href="#4">4</a>   
<a class="jxr_linenumber" name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> javax.jdo.PersistenceManager;
<a class="jxr_linenumber" name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> javax.jdo.Query;
<a class="jxr_linenumber" name="7" href="#7">7</a>   
<a class="jxr_linenumber" name="8" href="#8">8</a>   <strong class="jxr_keyword">import</strong> com.google.inject.Inject;
<a class="jxr_linenumber" name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> com.google.inject.Provider;
<a class="jxr_linenumber" name="10" href="#10">10</a>  
<a class="jxr_linenumber" name="11" href="#11">11</a>  <strong class="jxr_keyword">import</strong> fspotcloud.server.model.api.Command;
<a class="jxr_linenumber" name="12" href="#12">12</a>  <strong class="jxr_keyword">import</strong> fspotcloud.server.model.api.Commands;
<a class="jxr_linenumber" name="13" href="#13">13</a>  
<a class="jxr_linenumber" name="14" href="#14">14</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../fspotcloud/server/model/command/CommandManager.html">CommandManager</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../fspotcloud/server/model/api/Commands.html">Commands</a> {
<a class="jxr_linenumber" name="15" href="#15">15</a>  
<a class="jxr_linenumber" name="16" href="#16">16</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Provider&lt;PersistenceManager&gt; pmProvider;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  	@Inject
<a class="jxr_linenumber" name="19" href="#19">19</a>  	<strong class="jxr_keyword">public</strong> <a href="../../../../fspotcloud/server/model/command/CommandManager.html">CommandManager</a>(Provider&lt;PersistenceManager&gt; pmProvider) {
<a class="jxr_linenumber" name="20" href="#20">20</a>  		<strong class="jxr_keyword">this</strong>.pmProvider = pmProvider;
<a class="jxr_linenumber" name="21" href="#21">21</a>  	}
<a class="jxr_linenumber" name="22" href="#22">22</a>  
<a class="jxr_linenumber" name="23" href="#23">23</a>  	<em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_comment">	 * (non-Javadoc)</em>
<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_comment">	 * </em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_comment">	 * @see fspotcloud.server.model.command.Commands#create()</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_comment">	 */</em>
<a class="jxr_linenumber" name="28" href="#28">28</a>  	<strong class="jxr_keyword">public</strong> <a href="../../../../fspotcloud/server/model/api/Command.html">Command</a> create() {
<a class="jxr_linenumber" name="29" href="#29">29</a>  		<strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../fspotcloud/server/model/command/CommandDO.html">CommandDO</a>();
<a class="jxr_linenumber" name="30" href="#30">30</a>  	}
<a class="jxr_linenumber" name="31" href="#31">31</a>  
<a class="jxr_linenumber" name="32" href="#32">32</a>  	<em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_comment">	 * (non-Javadoc)</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_comment">	 * </em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_comment">	 * @see fspotcloud.server.model.command.Commands#popOldestCommand()</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_comment">	 */</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  	@SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a class="jxr_linenumber" name="38" href="#38">38</a>  	<strong class="jxr_keyword">public</strong> Object[] popOldestCommand() {
<a class="jxr_linenumber" name="39" href="#39">39</a>  		PersistenceManager pm = pmProvider.get();
<a class="jxr_linenumber" name="40" href="#40">40</a>  		<strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="41" href="#41">41</a>  			Query query = pm.newQuery(CommandDO.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="42" href="#42">42</a>  			query.setOrdering(<span class="jxr_string">"ctime"</span>);
<a class="jxr_linenumber" name="43" href="#43">43</a>  			query.setRange(0, 1);
<a class="jxr_linenumber" name="44" href="#44">44</a>  			List&lt;CommandDO&gt; cmdList = (List&lt;CommandDO&gt;) query.execute();
<a class="jxr_linenumber" name="45" href="#45">45</a>  			<strong class="jxr_keyword">if</strong> (cmdList.size() &gt; 0) {
<a class="jxr_linenumber" name="46" href="#46">46</a>  				Command oldest = cmdList.get(0);
<a class="jxr_linenumber" name="47" href="#47">47</a>  				Object[] result = <strong class="jxr_keyword">new</strong> Object[2];
<a class="jxr_linenumber" name="48" href="#48">48</a>  				result[0] = oldest.getCmd();
<a class="jxr_linenumber" name="49" href="#49">49</a>  				result[1] = oldest.getArgs().toArray();
<a class="jxr_linenumber" name="50" href="#50">50</a>  				pm.deletePersistent(oldest);
<a class="jxr_linenumber" name="51" href="#51">51</a>  				<strong class="jxr_keyword">return</strong> result;
<a class="jxr_linenumber" name="52" href="#52">52</a>  			} <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="53" href="#53">53</a>  				<strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Object[] {};
<a class="jxr_linenumber" name="54" href="#54">54</a>  			}
<a class="jxr_linenumber" name="55" href="#55">55</a>  		} <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="56" href="#56">56</a>  			pm.close();
<a class="jxr_linenumber" name="57" href="#57">57</a>  		}
<a class="jxr_linenumber" name="58" href="#58">58</a>  	}
<a class="jxr_linenumber" name="59" href="#59">59</a>  
<a class="jxr_linenumber" name="60" href="#60">60</a>  	<em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_comment">	 * (non-Javadoc)</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_comment">	 * </em>
<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_comment">	 * @see</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_comment">	 * fspotcloud.server.model.command.Commands#allReadyExists(java.lang.String,</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_comment">	 * java.util.List)</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_comment">	 */</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>  	@SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a class="jxr_linenumber" name="68" href="#68">68</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> allReadyExists(String cmd, List&lt;String&gt; args) {
<a class="jxr_linenumber" name="69" href="#69">69</a>  		PersistenceManager pm = pmProvider.get();
<a class="jxr_linenumber" name="70" href="#70">70</a>  		<strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="71" href="#71">71</a>  			Query query = pm.newQuery(CommandDO.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="72" href="#72">72</a>  			query.setFilter(<span class="jxr_string">"cmd == cmdParam &amp;&amp; argsString == argsStringParam"</span>);
<a class="jxr_linenumber" name="73" href="#73">73</a>  			query.declareParameters(<span class="jxr_string">"String cmdParam, String argsStringParam"</span>);
<a class="jxr_linenumber" name="74" href="#74">74</a>  			List&lt;CommandDO&gt; rs = (List&lt;CommandDO&gt;) query.execute(cmd,
<a class="jxr_linenumber" name="75" href="#75">75</a>  					String.valueOf(args));
<a class="jxr_linenumber" name="76" href="#76">76</a>  			<strong class="jxr_keyword">return</strong> rs.size() &gt; 0;
<a class="jxr_linenumber" name="77" href="#77">77</a>  		} <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="78" href="#78">78</a>  			pm.close();
<a class="jxr_linenumber" name="79" href="#79">79</a>  		}
<a class="jxr_linenumber" name="80" href="#80">80</a>  	}
<a class="jxr_linenumber" name="81" href="#81">81</a>  
<a class="jxr_linenumber" name="82" href="#82">82</a>  	<em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_comment">	 * (non-Javadoc)</em>
<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_comment">	 * </em>
<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_comment">	 * @see</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_comment">	 * fspotcloud.server.model.command.Commands#save(fspotcloud.server.model</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_comment">	 * .command.Command)</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_comment">	 */</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> save(<a href="../../../../fspotcloud/server/model/api/Command.html">Command</a> c) {
<a class="jxr_linenumber" name="90" href="#90">90</a>  		PersistenceManager pm = pmProvider.get();
<a class="jxr_linenumber" name="91" href="#91">91</a>  		<strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="92" href="#92">92</a>  			pm.makePersistent(c);
<a class="jxr_linenumber" name="93" href="#93">93</a>  		} <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="94" href="#94">94</a>  			pm.close();
<a class="jxr_linenumber" name="95" href="#95">95</a>  		}
<a class="jxr_linenumber" name="96" href="#96">96</a>  	}
<a class="jxr_linenumber" name="97" href="#97">97</a>  
<a class="jxr_linenumber" name="98" href="#98">98</a>  	@Override
<a class="jxr_linenumber" name="99" href="#99">99</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getCountUnderAThousend() {
<a class="jxr_linenumber" name="100" href="#100">100</a> 		PersistenceManager pm = pmProvider.get();
<a class="jxr_linenumber" name="101" href="#101">101</a> 		<strong class="jxr_keyword">int</strong> count = -1;
<a class="jxr_linenumber" name="102" href="#102">102</a> 		<strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="103" href="#103">103</a> 			Query query = pm.newQuery(CommandDO.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="104" href="#104">104</a> 			List&lt;CommandDO&gt; rs = (List&lt;CommandDO&gt;) query.execute();
<a class="jxr_linenumber" name="105" href="#105">105</a> 			count =  rs.size();;
<a class="jxr_linenumber" name="106" href="#106">106</a> 		} <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="107" href="#107">107</a> 			pm.close();
<a class="jxr_linenumber" name="108" href="#108">108</a> 		}
<a class="jxr_linenumber" name="109" href="#109">109</a> 
<a class="jxr_linenumber" name="110" href="#110">110</a> 		<strong class="jxr_keyword">return</strong> count;
<a class="jxr_linenumber" name="111" href="#111">111</a> 	}
<a class="jxr_linenumber" name="112" href="#112">112</a> 
<a class="jxr_linenumber" name="113" href="#113">113</a> }
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