Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tree: 16f7aa1794
Fetching contributors…

Cannot retrieve contributors at this time

1231 lines (646 sloc) 71.118 kb
<!doctype html PUBLIC "-//W3C//DTD html 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv='Content-Type' content='text/html; charset=utf-8'>
<meta http-equiv='X-UA-Compatible' content='IE=emulateIE7' />
<title>Coverage for pool.js: 78.90%</title>
<link rel='stylesheet' href='style.css' type='text/css'>
<script type='text/javascript' src='jquery-1.4.3.min.js'></script>
<script type='text/javascript' src='jquery.hotkeys.js'></script>
<script type='text/javascript' src='jquery.isonscreen.js'></script>
<script type='text/javascript' src='coverage_html.js'></script>
<script type='text/javascript' charset='utf-8'>
jQuery(document).ready(coverage.pyfile_ready);
</script>
</head>
<body id='pyfile'>
<div id='header'>
<div class='content'>
<h1>Coverage for <b>pool.js</b> :
<span class='pc_cov'>78.90%</span>
</h1>
<img id='keyboard_icon' src='keybd_closed.png'>
<h2 class='stats'>
statements
<span class=' shortkey_r' onclick='coverage.toggle_lines(this, "run")'>86 hits</span>
<span class=' shortkey_m' onclick='coverage.toggle_lines(this, "mis")'>23 missing</span>
<span class=' shortkey_x' onclick='coverage.toggle_lines(this, "exc")'>109 lines</span>
</h2>
</div>
</div>
<div class='help_panel'>
<img id='panel_icon' src='keybd_open.png'>
<p class='legend'>Hot-keys on this page</p>
<div>
<p class='keyhelp'>
<span class='key'>r</span>
<span class='key'>m</span> &nbsp; toggle line displays
</p>
<p class='keyhelp'>
<span class='key'>j</span>
<span class='key'>k</span> &nbsp; next/prev highlighted chunk
</p>
<p class='keyhelp'>
<span class='key'>0</span> &nbsp; (zero) top of page
</p>
<p class='keyhelp'>
<span class='key'>1</span> &nbsp; (one) first highlighted chunk
</p>
</div>
</div>
<div id='source'>
<table cellspacing='0' cellpadding='0'>
<tr>
<td class='linenos' valign='top'>
<p id='n1' class='stm run'><a href='#n1'>1</a></p>
<p id='n2' class='pln'><a href='#n2'>2</a></p>
<p id='n3' class='pln'><a href='#n3'>3</a></p>
<p id='n4' class='pln'><a href='#n4'>4</a></p>
<p id='n5' class='pln'><a href='#n5'>5</a></p>
<p id='n6' class='pln'><a href='#n6'>6</a></p>
<p id='n7' class='pln'><a href='#n7'>7</a></p>
<p id='n8' class='pln'><a href='#n8'>8</a></p>
<p id='n9' class='stm run'><a href='#n9'>9</a></p>
<p id='n10' class='pln'><a href='#n10'>10</a></p>
<p id='n11' class='pln'><a href='#n11'>11</a></p>
<p id='n12' class='pln'><a href='#n12'>12</a></p>
<p id='n13' class='pln'><a href='#n13'>13</a></p>
<p id='n14' class='pln'><a href='#n14'>14</a></p>
<p id='n15' class='pln'><a href='#n15'>15</a></p>
<p id='n16' class='pln'><a href='#n16'>16</a></p>
<p id='n17' class='pln'><a href='#n17'>17</a></p>
<p id='n18' class='pln'><a href='#n18'>18</a></p>
<p id='n19' class='pln'><a href='#n19'>19</a></p>
<p id='n20' class='pln'><a href='#n20'>20</a></p>
<p id='n21' class='pln'><a href='#n21'>21</a></p>
<p id='n22' class='pln'><a href='#n22'>22</a></p>
<p id='n23' class='pln'><a href='#n23'>23</a></p>
<p id='n24' class='pln'><a href='#n24'>24</a></p>
<p id='n25' class='pln'><a href='#n25'>25</a></p>
<p id='n26' class='pln'><a href='#n26'>26</a></p>
<p id='n27' class='pln'><a href='#n27'>27</a></p>
<p id='n28' class='stm run'><a href='#n28'>28</a></p>
<p id='n29' class='stm run'><a href='#n29'>29</a></p>
<p id='n30' class='stm run'><a href='#n30'>30</a></p>
<p id='n31' class='pln'><a href='#n31'>31</a></p>
<p id='n32' class='stm run'><a href='#n32'>32</a></p>
<p id='n33' class='stm run'><a href='#n33'>33</a></p>
<p id='n34' class='stm run'><a href='#n34'>34</a></p>
<p id='n35' class='stm run'><a href='#n35'>35</a></p>
<p id='n36' class='stm run'><a href='#n36'>36</a></p>
<p id='n37' class='stm run'><a href='#n37'>37</a></p>
<p id='n38' class='stm run'><a href='#n38'>38</a></p>
<p id='n39' class='pln'><a href='#n39'>39</a></p>
<p id='n40' class='stm run'><a href='#n40'>40</a></p>
<p id='n41' class='stm mis'><a href='#n41'>41</a></p>
<p id='n42' class='pln'><a href='#n42'>42</a></p>
<p id='n43' class='stm run'><a href='#n43'>43</a></p>
<p id='n44' class='pln'><a href='#n44'>44</a></p>
<p id='n45' class='pln'><a href='#n45'>45</a></p>
<p id='n46' class='stm run'><a href='#n46'>46</a></p>
<p id='n47' class='stm mis'><a href='#n47'>47</a></p>
<p id='n48' class='pln'><a href='#n48'>48</a></p>
<p id='n49' class='pln'><a href='#n49'>49</a></p>
<p id='n50' class='stm run'><a href='#n50'>50</a></p>
<p id='n51' class='pln'><a href='#n51'>51</a></p>
<p id='n52' class='pln'><a href='#n52'>52</a></p>
<p id='n53' class='pln'><a href='#n53'>53</a></p>
<p id='n54' class='pln'><a href='#n54'>54</a></p>
<p id='n55' class='pln'><a href='#n55'>55</a></p>
<p id='n56' class='pln'><a href='#n56'>56</a></p>
<p id='n57' class='pln'><a href='#n57'>57</a></p>
<p id='n58' class='stm run'><a href='#n58'>58</a></p>
<p id='n59' class='stm run'><a href='#n59'>59</a></p>
<p id='n60' class='pln'><a href='#n60'>60</a></p>
<p id='n61' class='pln'><a href='#n61'>61</a></p>
<p id='n62' class='stm run'><a href='#n62'>62</a></p>
<p id='n63' class='stm run'><a href='#n63'>63</a></p>
<p id='n64' class='pln'><a href='#n64'>64</a></p>
<p id='n65' class='stm run'><a href='#n65'>65</a></p>
<p id='n66' class='stm mis'><a href='#n66'>66</a></p>
<p id='n67' class='pln'><a href='#n67'>67</a></p>
<p id='n68' class='stm run'><a href='#n68'>68</a></p>
<p id='n69' class='stm run'><a href='#n69'>69</a></p>
<p id='n70' class='pln'><a href='#n70'>70</a></p>
<p id='n71' class='pln'><a href='#n71'>71</a></p>
<p id='n72' class='stm run'><a href='#n72'>72</a></p>
<p id='n73' class='pln'><a href='#n73'>73</a></p>
<p id='n74' class='stm run'><a href='#n74'>74</a></p>
<p id='n75' class='stm run'><a href='#n75'>75</a></p>
<p id='n76' class='pln'><a href='#n76'>76</a></p>
<p id='n77' class='stm run'><a href='#n77'>77</a></p>
<p id='n78' class='pln'><a href='#n78'>78</a></p>
<p id='n79' class='pln'><a href='#n79'>79</a></p>
<p id='n80' class='stm run'><a href='#n80'>80</a></p>
<p id='n81' class='pln'><a href='#n81'>81</a></p>
<p id='n82' class='pln'><a href='#n82'>82</a></p>
<p id='n83' class='pln'><a href='#n83'>83</a></p>
<p id='n84' class='stm run'><a href='#n84'>84</a></p>
<p id='n85' class='stm run'><a href='#n85'>85</a></p>
<p id='n86' class='stm mis'><a href='#n86'>86</a></p>
<p id='n87' class='pln'><a href='#n87'>87</a></p>
<p id='n88' class='pln'><a href='#n88'>88</a></p>
<p id='n89' class='pln'><a href='#n89'>89</a></p>
<p id='n90' class='pln'><a href='#n90'>90</a></p>
<p id='n91' class='stm run'><a href='#n91'>91</a></p>
<p id='n92' class='stm run'><a href='#n92'>92</a></p>
<p id='n93' class='pln'><a href='#n93'>93</a></p>
<p id='n94' class='pln'><a href='#n94'>94</a></p>
<p id='n95' class='pln'><a href='#n95'>95</a></p>
<p id='n96' class='pln'><a href='#n96'>96</a></p>
<p id='n97' class='pln'><a href='#n97'>97</a></p>
<p id='n98' class='pln'><a href='#n98'>98</a></p>
<p id='n99' class='pln'><a href='#n99'>99</a></p>
<p id='n100' class='pln'><a href='#n100'>100</a></p>
<p id='n101' class='stm run'><a href='#n101'>101</a></p>
<p id='n102' class='stm mis'><a href='#n102'>102</a></p>
<p id='n103' class='pln'><a href='#n103'>103</a></p>
<p id='n104' class='pln'><a href='#n104'>104</a></p>
<p id='n105' class='stm run'><a href='#n105'>105</a></p>
<p id='n106' class='stm run'><a href='#n106'>106</a></p>
<p id='n107' class='pln'><a href='#n107'>107</a></p>
<p id='n108' class='pln'><a href='#n108'>108</a></p>
<p id='n109' class='pln'><a href='#n109'>109</a></p>
<p id='n110' class='stm run'><a href='#n110'>110</a></p>
<p id='n111' class='stm run'><a href='#n111'>111</a></p>
<p id='n112' class='pln'><a href='#n112'>112</a></p>
<p id='n113' class='pln'><a href='#n113'>113</a></p>
<p id='n114' class='pln'><a href='#n114'>114</a></p>
<p id='n115' class='pln'><a href='#n115'>115</a></p>
<p id='n116' class='pln'><a href='#n116'>116</a></p>
<p id='n117' class='pln'><a href='#n117'>117</a></p>
<p id='n118' class='stm run'><a href='#n118'>118</a></p>
<p id='n119' class='stm run'><a href='#n119'>119</a></p>
<p id='n120' class='pln'><a href='#n120'>120</a></p>
<p id='n121' class='stm run'><a href='#n121'>121</a></p>
<p id='n122' class='pln'><a href='#n122'>122</a></p>
<p id='n123' class='pln'><a href='#n123'>123</a></p>
<p id='n124' class='stm run'><a href='#n124'>124</a></p>
<p id='n125' class='stm run'><a href='#n125'>125</a></p>
<p id='n126' class='stm run'><a href='#n126'>126</a></p>
<p id='n127' class='stm run'><a href='#n127'>127</a></p>
<p id='n128' class='stm run'><a href='#n128'>128</a></p>
<p id='n129' class='stm run'><a href='#n129'>129</a></p>
<p id='n130' class='pln'><a href='#n130'>130</a></p>
<p id='n131' class='pln'><a href='#n131'>131</a></p>
<p id='n132' class='stm run'><a href='#n132'>132</a></p>
<p id='n133' class='stm run'><a href='#n133'>133</a></p>
<p id='n134' class='pln'><a href='#n134'>134</a></p>
<p id='n135' class='pln'><a href='#n135'>135</a></p>
<p id='n136' class='pln'><a href='#n136'>136</a></p>
<p id='n137' class='stm run'><a href='#n137'>137</a></p>
<p id='n138' class='stm run'><a href='#n138'>138</a></p>
<p id='n139' class='pln'><a href='#n139'>139</a></p>
<p id='n140' class='pln'><a href='#n140'>140</a></p>
<p id='n141' class='pln'><a href='#n141'>141</a></p>
<p id='n142' class='pln'><a href='#n142'>142</a></p>
<p id='n143' class='pln'><a href='#n143'>143</a></p>
<p id='n144' class='pln'><a href='#n144'>144</a></p>
<p id='n145' class='pln'><a href='#n145'>145</a></p>
<p id='n146' class='pln'><a href='#n146'>146</a></p>
<p id='n147' class='stm run'><a href='#n147'>147</a></p>
<p id='n148' class='stm run'><a href='#n148'>148</a></p>
<p id='n149' class='pln'><a href='#n149'>149</a></p>
<p id='n150' class='pln'><a href='#n150'>150</a></p>
<p id='n151' class='stm run'><a href='#n151'>151</a></p>
<p id='n152' class='pln'><a href='#n152'>152</a></p>
<p id='n153' class='pln'><a href='#n153'>153</a></p>
<p id='n154' class='pln'><a href='#n154'>154</a></p>
<p id='n155' class='pln'><a href='#n155'>155</a></p>
<p id='n156' class='pln'><a href='#n156'>156</a></p>
<p id='n157' class='pln'><a href='#n157'>157</a></p>
<p id='n158' class='pln'><a href='#n158'>158</a></p>
<p id='n159' class='pln'><a href='#n159'>159</a></p>
<p id='n160' class='stm run'><a href='#n160'>160</a></p>
<p id='n161' class='stm run'><a href='#n161'>161</a></p>
<p id='n162' class='pln'><a href='#n162'>162</a></p>
<p id='n163' class='pln'><a href='#n163'>163</a></p>
<p id='n164' class='stm run'><a href='#n164'>164</a></p>
<p id='n165' class='pln'><a href='#n165'>165</a></p>
<p id='n166' class='pln'><a href='#n166'>166</a></p>
<p id='n167' class='pln'><a href='#n167'>167</a></p>
<p id='n168' class='pln'><a href='#n168'>168</a></p>
<p id='n169' class='pln'><a href='#n169'>169</a></p>
<p id='n170' class='stm run'><a href='#n170'>170</a></p>
<p id='n171' class='stm run'><a href='#n171'>171</a></p>
<p id='n172' class='pln'><a href='#n172'>172</a></p>
<p id='n173' class='pln'><a href='#n173'>173</a></p>
<p id='n174' class='pln'><a href='#n174'>174</a></p>
<p id='n175' class='stm run'><a href='#n175'>175</a></p>
<p id='n176' class='stm mis'><a href='#n176'>176</a></p>
<p id='n177' class='pln'><a href='#n177'>177</a></p>
<p id='n178' class='pln'><a href='#n178'>178</a></p>
<p id='n179' class='stm run'><a href='#n179'>179</a></p>
<p id='n180' class='stm run'><a href='#n180'>180</a></p>
<p id='n181' class='pln'><a href='#n181'>181</a></p>
<p id='n182' class='pln'><a href='#n182'>182</a></p>
<p id='n183' class='pln'><a href='#n183'>183</a></p>
<p id='n184' class='pln'><a href='#n184'>184</a></p>
<p id='n185' class='pln'><a href='#n185'>185</a></p>
<p id='n186' class='stm mis'><a href='#n186'>186</a></p>
<p id='n187' class='stm mis'><a href='#n187'>187</a></p>
<p id='n188' class='stm mis'><a href='#n188'>188</a></p>
<p id='n189' class='stm mis'><a href='#n189'>189</a></p>
<p id='n190' class='pln'><a href='#n190'>190</a></p>
<p id='n191' class='stm mis'><a href='#n191'>191</a></p>
<p id='n192' class='pln'><a href='#n192'>192</a></p>
<p id='n193' class='pln'><a href='#n193'>193</a></p>
<p id='n194' class='pln'><a href='#n194'>194</a></p>
<p id='n195' class='stm mis'><a href='#n195'>195</a></p>
<p id='n196' class='stm mis'><a href='#n196'>196</a></p>
<p id='n197' class='pln'><a href='#n197'>197</a></p>
<p id='n198' class='pln'><a href='#n198'>198</a></p>
<p id='n199' class='pln'><a href='#n199'>199</a></p>
<p id='n200' class='pln'><a href='#n200'>200</a></p>
<p id='n201' class='pln'><a href='#n201'>201</a></p>
<p id='n202' class='pln'><a href='#n202'>202</a></p>
<p id='n203' class='stm run'><a href='#n203'>203</a></p>
<p id='n204' class='stm run'><a href='#n204'>204</a></p>
<p id='n205' class='stm run'><a href='#n205'>205</a></p>
<p id='n206' class='pln'><a href='#n206'>206</a></p>
<p id='n207' class='pln'><a href='#n207'>207</a></p>
<p id='n208' class='pln'><a href='#n208'>208</a></p>
<p id='n209' class='pln'><a href='#n209'>209</a></p>
<p id='n210' class='pln'><a href='#n210'>210</a></p>
<p id='n211' class='stm run'><a href='#n211'>211</a></p>
<p id='n212' class='stm run'><a href='#n212'>212</a></p>
<p id='n213' class='stm run'><a href='#n213'>213</a></p>
<p id='n214' class='pln'><a href='#n214'>214</a></p>
<p id='n215' class='pln'><a href='#n215'>215</a></p>
<p id='n216' class='pln'><a href='#n216'>216</a></p>
<p id='n217' class='pln'><a href='#n217'>217</a></p>
<p id='n218' class='pln'><a href='#n218'>218</a></p>
<p id='n219' class='pln'><a href='#n219'>219</a></p>
<p id='n220' class='stm run'><a href='#n220'>220</a></p>
<p id='n221' class='stm run'><a href='#n221'>221</a></p>
<p id='n222' class='pln'><a href='#n222'>222</a></p>
<p id='n223' class='pln'><a href='#n223'>223</a></p>
<p id='n224' class='stm run'><a href='#n224'>224</a></p>
<p id='n225' class='stm run'><a href='#n225'>225</a></p>
<p id='n226' class='pln'><a href='#n226'>226</a></p>
<p id='n227' class='pln'><a href='#n227'>227</a></p>
<p id='n228' class='pln'><a href='#n228'>228</a></p>
<p id='n229' class='pln'><a href='#n229'>229</a></p>
<p id='n230' class='pln'><a href='#n230'>230</a></p>
<p id='n231' class='stm run'><a href='#n231'>231</a></p>
<p id='n232' class='stm mis'><a href='#n232'>232</a></p>
<p id='n233' class='pln'><a href='#n233'>233</a></p>
<p id='n234' class='pln'><a href='#n234'>234</a></p>
<p id='n235' class='pln'><a href='#n235'>235</a></p>
<p id='n236' class='pln'><a href='#n236'>236</a></p>
<p id='n237' class='pln'><a href='#n237'>237</a></p>
<p id='n238' class='pln'><a href='#n238'>238</a></p>
<p id='n239' class='pln'><a href='#n239'>239</a></p>
<p id='n240' class='stm mis'><a href='#n240'>240</a></p>
<p id='n241' class='stm mis'><a href='#n241'>241</a></p>
<p id='n242' class='pln'><a href='#n242'>242</a></p>
<p id='n243' class='pln'><a href='#n243'>243</a></p>
<p id='n244' class='stm mis'><a href='#n244'>244</a></p>
<p id='n245' class='stm mis'><a href='#n245'>245</a></p>
<p id='n246' class='stm mis'><a href='#n246'>246</a></p>
<p id='n247' class='pln'><a href='#n247'>247</a></p>
<p id='n248' class='stm mis'><a href='#n248'>248</a></p>
<p id='n249' class='pln'><a href='#n249'>249</a></p>
<p id='n250' class='pln'><a href='#n250'>250</a></p>
<p id='n251' class='pln'><a href='#n251'>251</a></p>
<p id='n252' class='pln'><a href='#n252'>252</a></p>
<p id='n253' class='pln'><a href='#n253'>253</a></p>
<p id='n254' class='pln'><a href='#n254'>254</a></p>
<p id='n255' class='pln'><a href='#n255'>255</a></p>
<p id='n256' class='stm run'><a href='#n256'>256</a></p>
<p id='n257' class='stm mis'><a href='#n257'>257</a></p>
<p id='n258' class='stm mis'><a href='#n258'>258</a></p>
<p id='n259' class='stm mis'><a href='#n259'>259</a></p>
<p id='n260' class='pln'><a href='#n260'>260</a></p>
<p id='n261' class='pln'><a href='#n261'>261</a></p>
<p id='n262' class='pln'><a href='#n262'>262</a></p>
<p id='n263' class='stm run'><a href='#n263'>263</a></p>
<p id='n264' class='pln'><a href='#n264'>264</a></p>
<p id='n265' class='pln'><a href='#n265'>265</a></p>
<p id='n266' class='pln'><a href='#n266'>266</a></p>
<p id='n267' class='pln'><a href='#n267'>267</a></p>
<p id='n268' class='pln'><a href='#n268'>268</a></p>
<p id='n269' class='stm run'><a href='#n269'>269</a></p>
<p id='n270' class='stm run'><a href='#n270'>270</a></p>
<p id='n271' class='pln'><a href='#n271'>271</a></p>
<p id='n272' class='pln'><a href='#n272'>272</a></p>
<p id='n273' class='stm run'><a href='#n273'>273</a></p>
<p id='n274' class='pln'><a href='#n274'>274</a></p>
<p id='n275' class='stm run'><a href='#n275'>275</a></p>
<p id='n276' class='pln'><a href='#n276'>276</a></p>
<p id='n277' class='stm run'><a href='#n277'>277</a></p>
<p id='n278' class='stm run'><a href='#n278'>278</a></p>
<p id='n279' class='stm run'><a href='#n279'>279</a></p>
<p id='n280' class='stm run'><a href='#n280'>280</a></p>
<p id='n281' class='pln'><a href='#n281'>281</a></p>
<p id='n282' class='pln'><a href='#n282'>282</a></p>
<p id='n283' class='stm run'><a href='#n283'>283</a></p>
<p id='n284' class='stm run'><a href='#n284'>284</a></p>
<p id='n285' class='stm run'><a href='#n285'>285</a></p>
<p id='n286' class='pln'><a href='#n286'>286</a></p>
<p id='n287' class='pln'><a href='#n287'>287</a></p>
<p id='n288' class='stm run'><a href='#n288'>288</a></p>
</td>
<td class='text' valign='top'>
<p id='t1' class='stm run'>var&nbsp;Connection&nbsp;=&nbsp;require('./connection'),<span class='strut'>&nbsp;</span></p>
<p id='t2' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;util&nbsp;=&nbsp;require('util');<span class='strut'>&nbsp;</span></p>
<p id='t3' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t4' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t5' class='pln'>&nbsp;*&nbsp;A&nbsp;No-Operation&nbsp;default&nbsp;for&nbsp;empty&nbsp;callbacks<span class='strut'>&nbsp;</span></p>
<p id='t6' class='pln'>&nbsp;*&nbsp;@private<span class='strut'>&nbsp;</span></p>
<p id='t7' class='pln'>&nbsp;*&nbsp;@memberOf&nbsp;Pool<span class='strut'>&nbsp;</span></p>
<p id='t8' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t9' class='stm run'>var&nbsp;NOOP&nbsp;=&nbsp;function(){};<span class='strut'>&nbsp;</span></p>
<p id='t10' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t11' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t12' class='pln'>&nbsp;*&nbsp;Creates&nbsp;a&nbsp;connection&nbsp;to&nbsp;a&nbsp;keyspace&nbsp;for&nbsp;each&nbsp;of&nbsp;the&nbsp;servers&nbsp;in&nbsp;the&nbsp;pool;<span class='strut'>&nbsp;</span></p>
<p id='t13' class='pln'>&nbsp;*&nbsp;@param&nbsp;{Object}&nbsp;options&nbsp;The&nbsp;options&nbsp;for&nbsp;the&nbsp;connection<span class='strut'>&nbsp;</span></p>
<p id='t14' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t15' class='pln'>&nbsp;*&nbsp;Example:<span class='strut'>&nbsp;</span></p>
<p id='t16' class='pln'>&nbsp;*<span class='strut'>&nbsp;</span></p>
<p id='t17' class='pln'>&nbsp;*&nbsp;&nbsp;&nbsp;var&nbsp;pool&nbsp;=&nbsp;new&nbsp;ConnectionPool({<span class='strut'>&nbsp;</span></p>
<p id='t18' class='pln'>&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;hosts&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;['host1:9160',&nbsp;'host2:9170',&nbsp;'host3',&nbsp;'host4'],<span class='strut'>&nbsp;</span></p>
<p id='t19' class='pln'>&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;keyspace&nbsp;&nbsp;&nbsp;:&nbsp;'database',<span class='strut'>&nbsp;</span></p>
<p id='t20' class='pln'>&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;user&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;'mary',<span class='strut'>&nbsp;</span></p>
<p id='t21' class='pln'>&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pass&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;'qwerty',<span class='strut'>&nbsp;</span></p>
<p id='t22' class='pln'>&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;timeout&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;30000,<span class='strut'>&nbsp;</span></p>
<p id='t23' class='pln'>&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cqlVersion&nbsp;:&nbsp;'3.0.0'<span class='strut'>&nbsp;</span></p>
<p id='t24' class='pln'>&nbsp;*&nbsp;&nbsp;&nbsp;});<span class='strut'>&nbsp;</span></p>
<p id='t25' class='pln'>&nbsp;*<span class='strut'>&nbsp;</span></p>
<p id='t26' class='pln'>&nbsp;*&nbsp;@constructor<span class='strut'>&nbsp;</span></p>
<p id='t27' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t28' class='stm run'>var&nbsp;Pool&nbsp;=&nbsp;function(options){<span class='strut'>&nbsp;</span></p>
<p id='t29' class='stm run'>&nbsp;&nbsp;this.clients&nbsp;=&nbsp;[];<span class='strut'>&nbsp;</span></p>
<p id='t30' class='stm run'>&nbsp;&nbsp;this.dead&nbsp;=&nbsp;[];<span class='strut'>&nbsp;</span></p>
<p id='t31' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t32' class='stm run'>&nbsp;&nbsp;this.keyspace&nbsp;=&nbsp;options.keyspace;<span class='strut'>&nbsp;</span></p>
<p id='t33' class='stm run'>&nbsp;&nbsp;this.user&nbsp;=&nbsp;options.user;<span class='strut'>&nbsp;</span></p>
<p id='t34' class='stm run'>&nbsp;&nbsp;this.password&nbsp;=&nbsp;options.password;<span class='strut'>&nbsp;</span></p>
<p id='t35' class='stm run'>&nbsp;&nbsp;this.timeout&nbsp;=&nbsp;options.timeout;<span class='strut'>&nbsp;</span></p>
<p id='t36' class='stm run'>&nbsp;&nbsp;this.cqlVersion&nbsp;=&nbsp;options.cqlVersion;<span class='strut'>&nbsp;</span></p>
<p id='t37' class='stm run'>&nbsp;&nbsp;this.retryInterval&nbsp;=&nbsp;null;<span class='strut'>&nbsp;</span></p>
<p id='t38' class='stm run'>&nbsp;&nbsp;this.closing&nbsp;=&nbsp;false;<span class='strut'>&nbsp;</span></p>
<p id='t39' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t40' class='stm run'>&nbsp;&nbsp;if(!options.hosts&nbsp;&amp;&amp;&nbsp;options.host){<span class='strut'>&nbsp;</span></p>
<p id='t41' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;this.hosts&nbsp;=&nbsp;[options.hosts];<span class='strut'>&nbsp;</span></p>
<p id='t42' class='pln'>&nbsp;&nbsp;}&nbsp;else&nbsp;{<span class='strut'>&nbsp;</span></p>
<p id='t43' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;this.hosts&nbsp;=&nbsp;options.hosts;<span class='strut'>&nbsp;</span></p>
<p id='t44' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t45' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t46' class='stm run'>&nbsp;&nbsp;if(!Array.isArray(this.hosts)){<span class='strut'>&nbsp;</span></p>
<p id='t47' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;throw(new&nbsp;Error('HelenusError:&nbsp;Invalid&nbsp;hosts&nbsp;supplied&nbsp;for&nbsp;connection&nbsp;pool'));<span class='strut'>&nbsp;</span></p>
<p id='t48' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t49' class='pln'>};<span class='strut'>&nbsp;</span></p>
<p id='t50' class='stm run'>util.inherits(Pool,&nbsp;process.EventEmitter);<span class='strut'>&nbsp;</span></p>
<p id='t51' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t52' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t53' class='pln'>&nbsp;*&nbsp;Connects&nbsp;to&nbsp;each&nbsp;of&nbsp;the&nbsp;servers&nbsp;in&nbsp;the&nbsp;connection&nbsp;pool<span class='strut'>&nbsp;</span></p>
<p id='t54' class='pln'>&nbsp;*<span class='strut'>&nbsp;</span></p>
<p id='t55' class='pln'>&nbsp;*&nbsp;TODO:&nbsp;Implement&nbsp;Retries<span class='strut'>&nbsp;</span></p>
<p id='t56' class='pln'>&nbsp;*&nbsp;@param&nbsp;{Function}&nbsp;callback&nbsp;The&nbsp;callback&nbsp;to&nbsp;invoke&nbsp;when&nbsp;all&nbsp;connections&nbsp;have&nbsp;been&nbsp;made<span class='strut'>&nbsp;</span></p>
<p id='t57' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t58' class='stm run'>Pool.prototype.connect&nbsp;=&nbsp;function(callback){<span class='strut'>&nbsp;</span></p>
<p id='t59' class='stm run'>&nbsp;&nbsp;var&nbsp;i&nbsp;=&nbsp;0,&nbsp;finished&nbsp;=&nbsp;0,&nbsp;client,&nbsp;self&nbsp;=&nbsp;this,&nbsp;len&nbsp;=&nbsp;this.hosts.length,<span class='strut'>&nbsp;</span></p>
<p id='t60' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connected&nbsp;=&nbsp;0,&nbsp;errored;<span class='strut'>&nbsp;</span></p>
<p id='t61' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t62' class='stm run'>&nbsp;&nbsp;function&nbsp;onConnect(err,&nbsp;connection,&nbsp;keyspace,&nbsp;host){<span class='strut'>&nbsp;</span></p>
<p id='t63' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;finished&nbsp;+=&nbsp;1;<span class='strut'>&nbsp;</span></p>
<p id='t64' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t65' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(err){<span class='strut'>&nbsp;</span></p>
<p id='t66' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.dead.push(host);<span class='strut'>&nbsp;</span></p>
<p id='t67' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;else&nbsp;{<span class='strut'>&nbsp;</span></p>
<p id='t68' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connected&nbsp;+=&nbsp;1;<span class='strut'>&nbsp;</span></p>
<p id='t69' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.clients.push(connection);<span class='strut'>&nbsp;</span></p>
<p id='t70' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t71' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//we&nbsp;only&nbsp;want&nbsp;to&nbsp;callback&nbsp;once,&nbsp;after&nbsp;we&nbsp;get&nbsp;a&nbsp;valid&nbsp;connection<span class='strut'>&nbsp;</span></p>
<p id='t72' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(connected&nbsp;===&nbsp;1){<span class='strut'>&nbsp;</span></p>
<p id='t73' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//set&nbsp;the&nbsp;keyspaces&nbsp;connection&nbsp;to&nbsp;be&nbsp;the&nbsp;pool<span class='strut'>&nbsp;</span></p>
<p id='t74' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(keyspace){<span class='strut'>&nbsp;</span></p>
<p id='t75' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;keyspace.connection&nbsp;=&nbsp;self;<span class='strut'>&nbsp;</span></p>
<p id='t76' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t77' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;callback(null,&nbsp;keyspace);<span class='strut'>&nbsp;</span></p>
<p id='t78' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t79' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//now&nbsp;that&nbsp;we&nbsp;have&nbsp;a&nbsp;connection,&nbsp;lets&nbsp;start&nbsp;monitoring<span class='strut'>&nbsp;</span></p>
<p id='t80' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.monitorConnections();<span class='strut'>&nbsp;</span></p>
<p id='t81' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t82' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t83' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t84' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;if(finished&nbsp;===&nbsp;len){<span class='strut'>&nbsp;</span></p>
<p id='t85' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(self.clients.length&nbsp;===&nbsp;0){<span class='strut'>&nbsp;</span></p>
<p id='t86' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;callback(new&nbsp;Error('Could&nbsp;Not&nbsp;Connect&nbsp;To&nbsp;Any&nbsp;Nodes'));<span class='strut'>&nbsp;</span></p>
<p id='t87' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t88' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t89' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t90' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t91' class='stm run'>&nbsp;&nbsp;function&nbsp;connect(host){<span class='strut'>&nbsp;</span></p>
<p id='t92' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;connection&nbsp;=&nbsp;new&nbsp;Connection({<span class='strut'>&nbsp;</span></p>
<p id='t93' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;host:&nbsp;host,<span class='strut'>&nbsp;</span></p>
<p id='t94' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;keyspace:&nbsp;self.keyspace,<span class='strut'>&nbsp;</span></p>
<p id='t95' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;user:&nbsp;self.user,<span class='strut'>&nbsp;</span></p>
<p id='t96' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;password:&nbsp;self.password,<span class='strut'>&nbsp;</span></p>
<p id='t97' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;timeout:&nbsp;self.timeout,<span class='strut'>&nbsp;</span></p>
<p id='t98' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cqlVersion:&nbsp;self.cqlVersion<span class='strut'>&nbsp;</span></p>
<p id='t99' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;});<span class='strut'>&nbsp;</span></p>
<p id='t100' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t101' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;connection.on('error',&nbsp;function(err){<span class='strut'>&nbsp;</span></p>
<p id='t102' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.emit('error',&nbsp;err);<span class='strut'>&nbsp;</span></p>
<p id='t103' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;});<span class='strut'>&nbsp;</span></p>
<p id='t104' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t105' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;connection.connect(function(err,&nbsp;keyspace){<span class='strut'>&nbsp;</span></p>
<p id='t106' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;onConnect(err,&nbsp;connection,&nbsp;keyspace,&nbsp;host);<span class='strut'>&nbsp;</span></p>
<p id='t107' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;});<span class='strut'>&nbsp;</span></p>
<p id='t108' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t109' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t110' class='stm run'>&nbsp;&nbsp;for(;&nbsp;i&nbsp;&lt;&nbsp;len;&nbsp;i&nbsp;+=&nbsp;1){<span class='strut'>&nbsp;</span></p>
<p id='t111' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;connect(this.hosts[i]);<span class='strut'>&nbsp;</span></p>
<p id='t112' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t113' class='pln'>};<span class='strut'>&nbsp;</span></p>
<p id='t114' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t115' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t116' class='pln'>&nbsp;*&nbsp;Changes&nbsp;the&nbsp;current&nbsp;keyspace&nbsp;for&nbsp;the&nbsp;connection<span class='strut'>&nbsp;</span></p>
<p id='t117' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t118' class='stm run'>Pool.prototype.use&nbsp;=&nbsp;function(keyspace,&nbsp;callback){<span class='strut'>&nbsp;</span></p>
<p id='t119' class='stm run'>&nbsp;&nbsp;callback&nbsp;=&nbsp;callback&nbsp;||&nbsp;NOOP;<span class='strut'>&nbsp;</span></p>
<p id='t120' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t121' class='stm run'>&nbsp;&nbsp;var&nbsp;self&nbsp;=&nbsp;this,&nbsp;i&nbsp;=&nbsp;0,&nbsp;len&nbsp;=&nbsp;this.clients.length,<span class='strut'>&nbsp;</span></p>
<p id='t122' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;finished&nbsp;=&nbsp;0,&nbsp;error,&nbsp;ks;<span class='strut'>&nbsp;</span></p>
<p id='t123' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t124' class='stm run'>&nbsp;&nbsp;function&nbsp;onUse(err,&nbsp;keyspace){<span class='strut'>&nbsp;</span></p>
<p id='t125' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;finished&nbsp;+=&nbsp;1;<span class='strut'>&nbsp;</span></p>
<p id='t126' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;error&nbsp;=&nbsp;err;<span class='strut'>&nbsp;</span></p>
<p id='t127' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;ks&nbsp;=&nbsp;keyspace;<span class='strut'>&nbsp;</span></p>
<p id='t128' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;if(keyspace){<span class='strut'>&nbsp;</span></p>
<p id='t129' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;keyspace.connection&nbsp;=&nbsp;self;<span class='strut'>&nbsp;</span></p>
<p id='t130' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t131' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t132' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;if(finished&nbsp;===&nbsp;len){<span class='strut'>&nbsp;</span></p>
<p id='t133' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;callback(error,&nbsp;ks);<span class='strut'>&nbsp;</span></p>
<p id='t134' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t135' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t136' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t137' class='stm run'>&nbsp;&nbsp;for(;&nbsp;i&nbsp;&lt;&nbsp;len;&nbsp;i&nbsp;+=&nbsp;1){<span class='strut'>&nbsp;</span></p>
<p id='t138' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;this.clients[i].use(keyspace,&nbsp;onUse);<span class='strut'>&nbsp;</span></p>
<p id='t139' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t140' class='pln'>};<span class='strut'>&nbsp;</span></p>
<p id='t141' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t142' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t143' class='pln'>&nbsp;*&nbsp;Executes&nbsp;a&nbsp;command&nbsp;on&nbsp;a&nbsp;single&nbsp;client&nbsp;from&nbsp;the&nbsp;pool<span class='strut'>&nbsp;</span></p>
<p id='t144' class='pln'>&nbsp;*&nbsp;@param&nbsp;{String}&nbsp;command&nbsp;The&nbsp;command&nbsp;to&nbsp;execute<span class='strut'>&nbsp;</span></p>
<p id='t145' class='pln'>&nbsp;*&nbsp;additional&nbsp;params&nbsp;are&nbsp;supplied&nbsp;to&nbsp;the&nbsp;command&nbsp;to&nbsp;be&nbsp;executed<span class='strut'>&nbsp;</span></p>
<p id='t146' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t147' class='stm run'>Pool.prototype.execute&nbsp;=&nbsp;function(command){<span class='strut'>&nbsp;</span></p>
<p id='t148' class='stm run'>&nbsp;&nbsp;var&nbsp;args&nbsp;=&nbsp;Array.prototype.slice.apply(arguments),<span class='strut'>&nbsp;</span></p>
<p id='t149' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;conn&nbsp;=&nbsp;this.getConnection();<span class='strut'>&nbsp;</span></p>
<p id='t150' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t151' class='stm run'>&nbsp;&nbsp;conn.execute.apply(conn,&nbsp;args);<span class='strut'>&nbsp;</span></p>
<p id='t152' class='pln'>};<span class='strut'>&nbsp;</span></p>
<p id='t153' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t154' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t155' class='pln'>&nbsp;*&nbsp;Executes&nbsp;a&nbsp;CQL&nbsp;Query&nbsp;Against&nbsp;the&nbsp;DB.<span class='strut'>&nbsp;</span></p>
<p id='t156' class='pln'>&nbsp;*&nbsp;@param&nbsp;{String}&nbsp;cmd&nbsp;A&nbsp;string&nbsp;representation&nbsp;of&nbsp;the&nbsp;query:&nbsp;'select&nbsp;%s,&nbsp;%s&nbsp;from&nbsp;MyCf&nbsp;where&nbsp;key=%s'<span class='strut'>&nbsp;</span></p>
<p id='t157' class='pln'>&nbsp;*&nbsp;@param&nbsp;{arguments}&nbsp;args0...argsN&nbsp;An&nbsp;Array&nbsp;of&nbsp;arguments&nbsp;for&nbsp;the&nbsp;string&nbsp;['arg0',&nbsp;'arg1',&nbsp;'arg2']<span class='strut'>&nbsp;</span></p>
<p id='t158' class='pln'>&nbsp;*&nbsp;@param&nbsp;{Function}&nbsp;callback&nbsp;The&nbsp;callback&nbsp;function&nbsp;for&nbsp;the&nbsp;results<span class='strut'>&nbsp;</span></p>
<p id='t159' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t160' class='stm run'>Pool.prototype.cql&nbsp;=&nbsp;function(){<span class='strut'>&nbsp;</span></p>
<p id='t161' class='stm run'>&nbsp;&nbsp;var&nbsp;args&nbsp;=&nbsp;Array.prototype.slice.apply(arguments),<span class='strut'>&nbsp;</span></p>
<p id='t162' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;conn&nbsp;=&nbsp;this.getConnection();<span class='strut'>&nbsp;</span></p>
<p id='t163' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t164' class='stm run'>&nbsp;&nbsp;conn.cql.apply(conn,&nbsp;args);<span class='strut'>&nbsp;</span></p>
<p id='t165' class='pln'>};<span class='strut'>&nbsp;</span></p>
<p id='t166' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t167' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t168' class='pln'>&nbsp;*&nbsp;Gets&nbsp;a&nbsp;random&nbsp;connection&nbsp;from&nbsp;the&nbsp;connection&nbsp;pool<span class='strut'>&nbsp;</span></p>
<p id='t169' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t170' class='stm run'>Pool.prototype.getConnection&nbsp;=&nbsp;function(){<span class='strut'>&nbsp;</span></p>
<p id='t171' class='stm run'>&nbsp;&nbsp;var&nbsp;len&nbsp;=&nbsp;this.clients.length,<span class='strut'>&nbsp;</span></p>
<p id='t172' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;rnd&nbsp;=&nbsp;Math.floor(Math.random()&nbsp;*&nbsp;len),<span class='strut'>&nbsp;</span></p>
<p id='t173' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;host&nbsp;=&nbsp;this.clients[rnd];<span class='strut'>&nbsp;</span></p>
<p id='t174' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t175' class='stm run'>&nbsp;&nbsp;if&nbsp;(!host){<span class='strut'>&nbsp;</span></p>
<p id='t176' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;this.emit('error',&nbsp;new&nbsp;Error('No&nbsp;Available&nbsp;Connections'));<span class='strut'>&nbsp;</span></p>
<p id='t177' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t178' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t179' class='stm run'>&nbsp;&nbsp;if&nbsp;(host.ready){<span class='strut'>&nbsp;</span></p>
<p id='t180' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;host;<span class='strut'>&nbsp;</span></p>
<p id='t181' class='pln'>&nbsp;&nbsp;}&nbsp;else&nbsp;{<span class='strut'>&nbsp;</span></p>
<p id='t182' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;/**<span class='strut'>&nbsp;</span></p>
<p id='t183' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;if&nbsp;the&nbsp;host&nbsp;comes&nbsp;back&nbsp;as&nbsp;not&nbsp;ready&nbsp;then&nbsp;we&nbsp;loop&nbsp;through&nbsp;all&nbsp;the&nbsp;hosts<span class='strut'>&nbsp;</span></p>
<p id='t184' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;and&nbsp;find&nbsp;the&nbsp;ready&nbsp;ones&nbsp;then&nbsp;call&nbsp;getConnection&nbsp;again<span class='strut'>&nbsp;</span></p>
<p id='t185' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**/<span class='strut'>&nbsp;</span></p>
<p id='t186' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;i&nbsp;=&nbsp;0,&nbsp;valid&nbsp;=&nbsp;[];<span class='strut'>&nbsp;</span></p>
<p id='t187' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;for(;&nbsp;i&nbsp;&lt;&nbsp;len;&nbsp;i&nbsp;+=&nbsp;1){<span class='strut'>&nbsp;</span></p>
<p id='t188' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(this.clients[i].ready){<span class='strut'>&nbsp;</span></p>
<p id='t189' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;valid.push(this.clients[i]);<span class='strut'>&nbsp;</span></p>
<p id='t190' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;else&nbsp;{<span class='strut'>&nbsp;</span></p>
<p id='t191' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.dead.push(this.clients[i].host&nbsp;+&nbsp;':'&nbsp;+&nbsp;this.clients[i].port);<span class='strut'>&nbsp;</span></p>
<p id='t192' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t193' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t194' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t195' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;this.clients&nbsp;=&nbsp;valid;<span class='strut'>&nbsp;</span></p>
<p id='t196' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;this.getConnection();<span class='strut'>&nbsp;</span></p>
<p id='t197' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t198' class='pln'>};<span class='strut'>&nbsp;</span></p>
<p id='t199' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t200' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t201' class='pln'>&nbsp;*&nbsp;Creates&nbsp;a&nbsp;keyspace&nbsp;see&nbsp;Connection.prototype.createKeyspace<span class='strut'>&nbsp;</span></p>
<p id='t202' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t203' class='stm run'>Pool.prototype.createKeyspace&nbsp;=&nbsp;function(name,&nbsp;options,&nbsp;callback){<span class='strut'>&nbsp;</span></p>
<p id='t204' class='stm run'>&nbsp;&nbsp;var&nbsp;conn&nbsp;=&nbsp;this.getConnection();<span class='strut'>&nbsp;</span></p>
<p id='t205' class='stm run'>&nbsp;&nbsp;conn.createKeyspace.call(conn,&nbsp;name,&nbsp;options,&nbsp;callback);<span class='strut'>&nbsp;</span></p>
<p id='t206' class='pln'>};<span class='strut'>&nbsp;</span></p>
<p id='t207' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t208' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t209' class='pln'>&nbsp;*&nbsp;Creates&nbsp;a&nbsp;keyspace&nbsp;see&nbsp;Connection.prototype.createKeyspace<span class='strut'>&nbsp;</span></p>
<p id='t210' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t211' class='stm run'>Pool.prototype.dropKeyspace&nbsp;=&nbsp;function(name,&nbsp;callback){<span class='strut'>&nbsp;</span></p>
<p id='t212' class='stm run'>&nbsp;&nbsp;var&nbsp;conn&nbsp;=&nbsp;this.getConnection();<span class='strut'>&nbsp;</span></p>
<p id='t213' class='stm run'>&nbsp;&nbsp;conn.dropKeyspace.call(conn,&nbsp;name,&nbsp;callback);<span class='strut'>&nbsp;</span></p>
<p id='t214' class='pln'>};<span class='strut'>&nbsp;</span></p>
<p id='t215' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t216' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t217' class='pln'>&nbsp;*&nbsp;Monitors&nbsp;the&nbsp;dead&nbsp;pool&nbsp;to&nbsp;ensure&nbsp;that&nbsp;if&nbsp;a&nbsp;connection&nbsp;has&nbsp;dropped,&nbsp;it&nbsp;will&nbsp;get&nbsp;retried<span class='strut'>&nbsp;</span></p>
<p id='t218' class='pln'>&nbsp;*&nbsp;until&nbsp;it&nbsp;connects&nbsp;or&nbsp;until&nbsp;all&nbsp;connections&nbsp;have&nbsp;been&nbsp;lost<span class='strut'>&nbsp;</span></p>
<p id='t219' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t220' class='stm run'>Pool.prototype.monitorConnections&nbsp;=&nbsp;function(){<span class='strut'>&nbsp;</span></p>
<p id='t221' class='stm run'>&nbsp;&nbsp;var&nbsp;self&nbsp;=&nbsp;this;<span class='strut'>&nbsp;</span></p>
<p id='t222' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t223' class='pln'>&nbsp;&nbsp;//&nbsp;If&nbsp;the&nbsp;pool&nbsp;is&nbsp;already&nbsp;closing,&nbsp;don't&nbsp;bother&nbsp;about&nbsp;monitoring&nbsp;connections<span class='strut'>&nbsp;</span></p>
<p id='t224' class='stm run'>&nbsp;&nbsp;if(self.closing){<span class='strut'>&nbsp;</span></p>
<p id='t225' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;return;<span class='strut'>&nbsp;</span></p>
<p id='t226' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t227' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t228' class='pln'>&nbsp;&nbsp;/**<span class='strut'>&nbsp;</span></p>
<p id='t229' class='pln'>&nbsp;&nbsp;&nbsp;*&nbsp;Try&nbsp;to&nbsp;connect,&nbsp;if&nbsp;success&nbsp;then&nbsp;add&nbsp;to&nbsp;the&nbsp;client&nbsp;pool,&nbsp;if&nbsp;fail&nbsp;the&nbsp;add&nbsp;to&nbsp;the&nbsp;dead&nbsp;pool.<span class='strut'>&nbsp;</span></p>
<p id='t230' class='pln'>&nbsp;&nbsp;&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t231' class='stm run'>&nbsp;&nbsp;function&nbsp;connect(host){<span class='strut'>&nbsp;</span></p>
<p id='t232' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;connection&nbsp;=&nbsp;new&nbsp;Connection({<span class='strut'>&nbsp;</span></p>
<p id='t233' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;host:&nbsp;host,<span class='strut'>&nbsp;</span></p>
<p id='t234' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;keyspace:&nbsp;self.keyspace,<span class='strut'>&nbsp;</span></p>
<p id='t235' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;user:&nbsp;self.user,<span class='strut'>&nbsp;</span></p>
<p id='t236' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;password:&nbsp;self.password,<span class='strut'>&nbsp;</span></p>
<p id='t237' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;timeout:&nbsp;self.timeout<span class='strut'>&nbsp;</span></p>
<p id='t238' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;});<span class='strut'>&nbsp;</span></p>
<p id='t239' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t240' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;connection.on('error',&nbsp;function(err){<span class='strut'>&nbsp;</span></p>
<p id='t241' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.emit('error',&nbsp;err);<span class='strut'>&nbsp;</span></p>
<p id='t242' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;});<span class='strut'>&nbsp;</span></p>
<p id='t243' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t244' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;connection.connect(function(err,&nbsp;keyspace){<span class='strut'>&nbsp;</span></p>
<p id='t245' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(err){<span class='strut'>&nbsp;</span></p>
<p id='t246' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.dead.push(host);<span class='strut'>&nbsp;</span></p>
<p id='t247' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;else&nbsp;{<span class='strut'>&nbsp;</span></p>
<p id='t248' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.clients.push(connection);<span class='strut'>&nbsp;</span></p>
<p id='t249' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t250' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;});<span class='strut'>&nbsp;</span></p>
<p id='t251' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t252' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t253' class='pln'>&nbsp;&nbsp;/**<span class='strut'>&nbsp;</span></p>
<p id='t254' class='pln'>&nbsp;&nbsp;&nbsp;*&nbsp;Recursively&nbsp;pop&nbsp;through&nbsp;the&nbsp;dead&nbsp;hosts&nbsp;and&nbsp;try&nbsp;to&nbsp;reconnect<span class='strut'>&nbsp;</span></p>
<p id='t255' class='pln'>&nbsp;&nbsp;&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t256' class='stm run'>&nbsp;&nbsp;function&nbsp;checkDead(){<span class='strut'>&nbsp;</span></p>
<p id='t257' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;if(self.dead.length&nbsp;&gt;&nbsp;0){<span class='strut'>&nbsp;</span></p>
<p id='t258' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connect(self.dead.pop());<span class='strut'>&nbsp;</span></p>
<p id='t259' class='stm mis'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;checkDead();<span class='strut'>&nbsp;</span></p>
<p id='t260' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t261' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t262' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t263' class='stm run'>&nbsp;&nbsp;this.retryInterval&nbsp;=&nbsp;setInterval(checkDead,&nbsp;5000);<span class='strut'>&nbsp;</span></p>
<p id='t264' class='pln'>};<span class='strut'>&nbsp;</span></p>
<p id='t265' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t266' class='pln'>/**<span class='strut'>&nbsp;</span></p>
<p id='t267' class='pln'>&nbsp;*&nbsp;Closes&nbsp;all&nbsp;open&nbsp;connections<span class='strut'>&nbsp;</span></p>
<p id='t268' class='pln'>&nbsp;*/<span class='strut'>&nbsp;</span></p>
<p id='t269' class='stm run'>Pool.prototype.close&nbsp;=&nbsp;function(){<span class='strut'>&nbsp;</span></p>
<p id='t270' class='stm run'>&nbsp;&nbsp;var&nbsp;self&nbsp;=&nbsp;this,&nbsp;i&nbsp;=&nbsp;0,&nbsp;j&nbsp;=&nbsp;0,&nbsp;len&nbsp;=&nbsp;this.clients.length;<span class='strut'>&nbsp;</span></p>
<p id='t271' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t272' class='pln'>&nbsp;&nbsp;//&nbsp;Make&nbsp;sure&nbsp;no&nbsp;intervals&nbsp;get&nbsp;set<span class='strut'>&nbsp;</span></p>
<p id='t273' class='stm run'>&nbsp;&nbsp;self.closing&nbsp;=&nbsp;true;<span class='strut'>&nbsp;</span></p>
<p id='t274' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t275' class='stm run'>&nbsp;&nbsp;clearInterval(this.retryInterval);<span class='strut'>&nbsp;</span></p>
<p id='t276' class='pln'><span class='strut'>&nbsp;</span></p>
<p id='t277' class='stm run'>&nbsp;&nbsp;function&nbsp;closed(){<span class='strut'>&nbsp;</span></p>
<p id='t278' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;j&nbsp;+=&nbsp;1;<span class='strut'>&nbsp;</span></p>
<p id='t279' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;if(j&nbsp;===&nbsp;len){<span class='strut'>&nbsp;</span></p>
<p id='t280' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.emit('close');<span class='strut'>&nbsp;</span></p>
<p id='t281' class='pln'>&nbsp;&nbsp;&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t282' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t283' class='stm run'>&nbsp;&nbsp;for(;&nbsp;i&nbsp;&lt;&nbsp;len;&nbsp;i&nbsp;+=&nbsp;1){<span class='strut'>&nbsp;</span></p>
<p id='t284' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;this.clients[i].on('close',&nbsp;closed);<span class='strut'>&nbsp;</span></p>
<p id='t285' class='stm run'>&nbsp;&nbsp;&nbsp;&nbsp;this.clients[i].close();<span class='strut'>&nbsp;</span></p>
<p id='t286' class='pln'>&nbsp;&nbsp;}<span class='strut'>&nbsp;</span></p>
<p id='t287' class='pln'>};<span class='strut'>&nbsp;</span></p>
<p id='t288' class='stm run'>module.exports&nbsp;=&nbsp;Pool;<span class='strut'>&nbsp;</span></p>
</td>
</tr>
</table>
</div>
<div id='footer'>
<div class='content'>
<p>
<a class='nav' href='index.html'>&#xab; index</a> &nbsp; &nbsp; <a
class='nav' href='https://github.com/cloudkick/whiskey'>whiskey v0.6.5</a>
</p>
</div>
</div>
</body>
</html>
Jump to Line
Something went wrong with that request. Please try again.