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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Cobertura - http://cobertura.sourceforge.net/<a name="line.2"></a>
<span class="sourceLineNo">003</span> *<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Copyright (C) 2006 Jiri Mares<a name="line.4"></a>
<span class="sourceLineNo">005</span> *<a name="line.5"></a>
<span class="sourceLineNo">006</span> * Cobertura is free software; you can redistribute it and/or modify<a name="line.6"></a>
<span class="sourceLineNo">007</span> * it under the terms of the GNU General Public License as published<a name="line.7"></a>
<span class="sourceLineNo">008</span> * by the Free Software Foundation; either version 2 of the License,<a name="line.8"></a>
<span class="sourceLineNo">009</span> * or (at your option) any later version.<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Cobertura is distributed in the hope that it will be useful, but<a name="line.11"></a>
<span class="sourceLineNo">012</span> * WITHOUT ANY WARRANTY; without even the implied warranty of<a name="line.12"></a>
<span class="sourceLineNo">013</span> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU<a name="line.13"></a>
<span class="sourceLineNo">014</span> * General Public License for more details.<a name="line.14"></a>
<span class="sourceLineNo">015</span> *<a name="line.15"></a>
<span class="sourceLineNo">016</span> * You should have received a copy of the GNU General Public License<a name="line.16"></a>
<span class="sourceLineNo">017</span> * along with Cobertura; if not, write to the Free Software<a name="line.17"></a>
<span class="sourceLineNo">018</span> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307<a name="line.18"></a>
<span class="sourceLineNo">019</span> * USA<a name="line.19"></a>
<span class="sourceLineNo">020</span> */<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>package net.sourceforge.cobertura.coveragedata;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.io.ObjectInputStream;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.io.Serializable;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.Arrays;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.concurrent.locks.Lock;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.concurrent.locks.ReentrantLock;<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
<span class="sourceLineNo">032</span> * <p><a name="line.32"></a>
<span class="sourceLineNo">033</span> * This class implements HasBeenInstrumented so that when cobertura instruments<a name="line.33"></a>
<span class="sourceLineNo">034</span> * itself, it will omit this class. It does this to avoid an infinite recursion<a name="line.34"></a>
<span class="sourceLineNo">035</span> * problem because instrumented classes make use of this class.<a name="line.35"></a>
<span class="sourceLineNo">036</span> * </p><a name="line.36"></a>
<span class="sourceLineNo">037</span> */<a name="line.37"></a>
<span class="sourceLineNo">038</span>public class SwitchData implements BranchCoverageData, Comparable, Serializable,<a name="line.38"></a>
<span class="sourceLineNo">039</span> HasBeenInstrumented<a name="line.39"></a>
<span class="sourceLineNo">040</span>{<a name="line.40"></a>
<span class="sourceLineNo">041</span> private static final long serialVersionUID = 9;<a name="line.41"></a>
<span class="sourceLineNo">042</span><a name="line.42"></a>
<span class="sourceLineNo">043</span> private transient Lock lock;<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span> private int switchNumber;<a name="line.45"></a>
<span class="sourceLineNo">046</span> <a name="line.46"></a>
<span class="sourceLineNo">047</span> private long defaultHits;<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span> private long[] hits;<a name="line.49"></a>
<span class="sourceLineNo">050</span> <a name="line.50"></a>
<span class="sourceLineNo">051</span> private int[] keys;<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span> public SwitchData(int switchNumber, int[] keys)<a name="line.53"></a>
<span class="sourceLineNo">054</span> {<a name="line.54"></a>
<span class="sourceLineNo">055</span> super();<a name="line.55"></a>
<span class="sourceLineNo">056</span> this.switchNumber = switchNumber;<a name="line.56"></a>
<span class="sourceLineNo">057</span> defaultHits = 0;<a name="line.57"></a>
<span class="sourceLineNo">058</span> hits = new long[keys.length];<a name="line.58"></a>
<span class="sourceLineNo">059</span> Arrays.fill(hits, 0);<a name="line.59"></a>
<span class="sourceLineNo">060</span> this.keys = new int[keys.length];<a name="line.60"></a>
<span class="sourceLineNo">061</span> System.arraycopy(keys, 0, this.keys, 0, keys.length);<a name="line.61"></a>
<span class="sourceLineNo">062</span> initLock();<a name="line.62"></a>
<span class="sourceLineNo">063</span> }<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span> public SwitchData(int switchNumber, int min, int max)<a name="line.65"></a>
<span class="sourceLineNo">066</span> {<a name="line.66"></a>
<span class="sourceLineNo">067</span> super();<a name="line.67"></a>
<span class="sourceLineNo">068</span> this.switchNumber = switchNumber;<a name="line.68"></a>
<span class="sourceLineNo">069</span> defaultHits = 0;<a name="line.69"></a>
<span class="sourceLineNo">070</span> hits = new long[max - min + 1];<a name="line.70"></a>
<span class="sourceLineNo">071</span> Arrays.fill(hits, 0);<a name="line.71"></a>
<span class="sourceLineNo">072</span> this.keys = new int[max - min + 1];<a name="line.72"></a>
<span class="sourceLineNo">073</span> for (int i = 0; min <= max; keys[i++] = min++);<a name="line.73"></a>
<span class="sourceLineNo">074</span> initLock();<a name="line.74"></a>
<span class="sourceLineNo">075</span> }<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span> public SwitchData(int switchNumber)<a name="line.77"></a>
<span class="sourceLineNo">078</span> {<a name="line.78"></a>
<span class="sourceLineNo">079</span> this(switchNumber, new int[0]);<a name="line.79"></a>
<span class="sourceLineNo">080</span> }<a name="line.80"></a>
<span class="sourceLineNo">081</span> <a name="line.81"></a>
<span class="sourceLineNo">082</span> private void initLock()<a name="line.82"></a>
<span class="sourceLineNo">083</span> {<a name="line.83"></a>
<span class="sourceLineNo">084</span> lock = new ReentrantLock();<a name="line.84"></a>
<span class="sourceLineNo">085</span> }<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span> public int compareTo(Object o)<a name="line.87"></a>
<span class="sourceLineNo">088</span> {<a name="line.88"></a>
<span class="sourceLineNo">089</span> if (!o.getClass().equals(SwitchData.class))<a name="line.89"></a>
<span class="sourceLineNo">090</span> return Integer.MAX_VALUE;<a name="line.90"></a>
<span class="sourceLineNo">091</span> return this.switchNumber - ((SwitchData) o).switchNumber;<a name="line.91"></a>
<span class="sourceLineNo">092</span> }<a name="line.92"></a>
<span class="sourceLineNo">093</span> <a name="line.93"></a>
<span class="sourceLineNo">094</span> void touchBranch(int branch,int new_hits) <a name="line.94"></a>
<span class="sourceLineNo">095</span> {<a name="line.95"></a>
<span class="sourceLineNo">096</span> lock.lock();<a name="line.96"></a>
<span class="sourceLineNo">097</span> try<a name="line.97"></a>
<span class="sourceLineNo">098</span> {<a name="line.98"></a>
<span class="sourceLineNo">099</span> if (branch == -1)<a name="line.99"></a>
<span class="sourceLineNo">100</span> defaultHits++;<a name="line.100"></a>
<span class="sourceLineNo">101</span> else <a name="line.101"></a>
<span class="sourceLineNo">102</span> {<a name="line.102"></a>
<span class="sourceLineNo">103</span> if (hits.length <= branch)<a name="line.103"></a>
<span class="sourceLineNo">104</span> {<a name="line.104"></a>
<span class="sourceLineNo">105</span> long[] old = hits;<a name="line.105"></a>
<span class="sourceLineNo">106</span> hits = new long[branch + 1];<a name="line.106"></a>
<span class="sourceLineNo">107</span> System.arraycopy(old, 0, hits, 0, old.length);<a name="line.107"></a>
<span class="sourceLineNo">108</span> Arrays.fill(hits, old.length, hits.length - 1, 0);<a name="line.108"></a>
<span class="sourceLineNo">109</span> }<a name="line.109"></a>
<span class="sourceLineNo">110</span> hits[branch]+=new_hits;<a name="line.110"></a>
<span class="sourceLineNo">111</span> }<a name="line.111"></a>
<span class="sourceLineNo">112</span> }<a name="line.112"></a>
<span class="sourceLineNo">113</span> finally<a name="line.113"></a>
<span class="sourceLineNo">114</span> {<a name="line.114"></a>
<span class="sourceLineNo">115</span> lock.unlock();<a name="line.115"></a>
<span class="sourceLineNo">116</span> }<a name="line.116"></a>
<span class="sourceLineNo">117</span> }<a name="line.117"></a>
<span class="sourceLineNo">118</span> <a name="line.118"></a>
<span class="sourceLineNo">119</span> public int getSwitchNumber()<a name="line.119"></a>
<span class="sourceLineNo">120</span> {<a name="line.120"></a>
<span class="sourceLineNo">121</span> return this.switchNumber;<a name="line.121"></a>
<span class="sourceLineNo">122</span> }<a name="line.122"></a>
<span class="sourceLineNo">123</span><a name="line.123"></a>
<span class="sourceLineNo">124</span> public long getHits(int branch)<a name="line.124"></a>
<span class="sourceLineNo">125</span> {<a name="line.125"></a>
<span class="sourceLineNo">126</span> lock.lock();<a name="line.126"></a>
<span class="sourceLineNo">127</span> try<a name="line.127"></a>
<span class="sourceLineNo">128</span> {<a name="line.128"></a>
<span class="sourceLineNo">129</span> if (hits.length > branch)<a name="line.129"></a>
<span class="sourceLineNo">130</span> return hits[branch];<a name="line.130"></a>
<span class="sourceLineNo">131</span> return -1;<a name="line.131"></a>
<span class="sourceLineNo">132</span> }<a name="line.132"></a>
<span class="sourceLineNo">133</span> finally<a name="line.133"></a>
<span class="sourceLineNo">134</span> {<a name="line.134"></a>
<span class="sourceLineNo">135</span> lock.unlock();<a name="line.135"></a>
<span class="sourceLineNo">136</span> }<a name="line.136"></a>
<span class="sourceLineNo">137</span> }<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span> public long getDefaultHits()<a name="line.139"></a>
<span class="sourceLineNo">140</span> {<a name="line.140"></a>
<span class="sourceLineNo">141</span> lock.lock();<a name="line.141"></a>
<span class="sourceLineNo">142</span> try<a name="line.142"></a>
<span class="sourceLineNo">143</span> {<a name="line.143"></a>
<span class="sourceLineNo">144</span> return defaultHits;<a name="line.144"></a>
<span class="sourceLineNo">145</span> }<a name="line.145"></a>
<span class="sourceLineNo">146</span> finally<a name="line.146"></a>
<span class="sourceLineNo">147</span> {<a name="line.147"></a>
<span class="sourceLineNo">148</span> lock.unlock();<a name="line.148"></a>
<span class="sourceLineNo">149</span> }<a name="line.149"></a>
<span class="sourceLineNo">150</span> }<a name="line.150"></a>
<span class="sourceLineNo">151</span><a name="line.151"></a>
<span class="sourceLineNo">152</span> public double getBranchCoverageRate()<a name="line.152"></a>
<span class="sourceLineNo">153</span> {<a name="line.153"></a>
<span class="sourceLineNo">154</span> lock.lock();<a name="line.154"></a>
<span class="sourceLineNo">155</span> try<a name="line.155"></a>
<span class="sourceLineNo">156</span> {<a name="line.156"></a>
<span class="sourceLineNo">157</span> int branches = hits.length + 1;<a name="line.157"></a>
<span class="sourceLineNo">158</span> int hit = (defaultHits > 0) ? 1 : 0;<a name="line.158"></a>
<span class="sourceLineNo">159</span> for (int i = hits.length - 1; i >= 0; hit += ((hits[i--] > 0) ? 1 : 0));<a name="line.159"></a>
<span class="sourceLineNo">160</span> return ((double) hit) / branches;<a name="line.160"></a>
<span class="sourceLineNo">161</span> }<a name="line.161"></a>
<span class="sourceLineNo">162</span> finally<a name="line.162"></a>
<span class="sourceLineNo">163</span> {<a name="line.163"></a>
<span class="sourceLineNo">164</span> lock.unlock();<a name="line.164"></a>
<span class="sourceLineNo">165</span> }<a name="line.165"></a>
<span class="sourceLineNo">166</span> }<a name="line.166"></a>
<span class="sourceLineNo">167</span><a name="line.167"></a>
<span class="sourceLineNo">168</span> public boolean equals(Object obj)<a name="line.168"></a>
<span class="sourceLineNo">169</span> {<a name="line.169"></a>
<span class="sourceLineNo">170</span> if (this == obj)<a name="line.170"></a>
<span class="sourceLineNo">171</span> return true;<a name="line.171"></a>
<span class="sourceLineNo">172</span> if ((obj == null) || !(obj.getClass().equals(this.getClass())))<a name="line.172"></a>
<span class="sourceLineNo">173</span> return false;<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span> SwitchData switchData = (SwitchData) obj;<a name="line.175"></a>
<span class="sourceLineNo">176</span> getBothLocks(switchData);<a name="line.176"></a>
<span class="sourceLineNo">177</span> try<a name="line.177"></a>
<span class="sourceLineNo">178</span> {<a name="line.178"></a>
<span class="sourceLineNo">179</span> return (this.defaultHits == switchData.defaultHits)<a name="line.179"></a>
<span class="sourceLineNo">180</span> && (Arrays.equals(this.hits, switchData.hits))<a name="line.180"></a>
<span class="sourceLineNo">181</span> && (this.switchNumber == switchData.switchNumber);<a name="line.181"></a>
<span class="sourceLineNo">182</span> }<a name="line.182"></a>
<span class="sourceLineNo">183</span> finally<a name="line.183"></a>
<span class="sourceLineNo">184</span> {<a name="line.184"></a>
<span class="sourceLineNo">185</span> lock.unlock();<a name="line.185"></a>
<span class="sourceLineNo">186</span> switchData.lock.unlock();<a name="line.186"></a>
<span class="sourceLineNo">187</span> }<a name="line.187"></a>
<span class="sourceLineNo">188</span> }<a name="line.188"></a>
<span class="sourceLineNo">189</span><a name="line.189"></a>
<span class="sourceLineNo">190</span> public int hashCode()<a name="line.190"></a>
<span class="sourceLineNo">191</span> {<a name="line.191"></a>
<span class="sourceLineNo">192</span> return this.switchNumber;<a name="line.192"></a>
<span class="sourceLineNo">193</span> }<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span> public int getNumberOfCoveredBranches()<a name="line.195"></a>
<span class="sourceLineNo">196</span> {<a name="line.196"></a>
<span class="sourceLineNo">197</span> lock.lock();<a name="line.197"></a>
<span class="sourceLineNo">198</span> try<a name="line.198"></a>
<span class="sourceLineNo">199</span> {<a name="line.199"></a>
<span class="sourceLineNo">200</span> int ret = (defaultHits > 0) ? 1 : 0;<a name="line.200"></a>
<span class="sourceLineNo">201</span> for (int i = hits.length -1; i >= 0;i--) <a name="line.201"></a>
<span class="sourceLineNo">202</span> {<a name="line.202"></a>
<span class="sourceLineNo">203</span> if (hits[i] > 0) ret++;<a name="line.203"></a>
<span class="sourceLineNo">204</span> }<a name="line.204"></a>
<span class="sourceLineNo">205</span> return ret;<a name="line.205"></a>
<span class="sourceLineNo">206</span> }<a name="line.206"></a>
<span class="sourceLineNo">207</span> finally<a name="line.207"></a>
<span class="sourceLineNo">208</span> {<a name="line.208"></a>
<span class="sourceLineNo">209</span> lock.unlock();<a name="line.209"></a>
<span class="sourceLineNo">210</span> }<a name="line.210"></a>
<span class="sourceLineNo">211</span> }<a name="line.211"></a>
<span class="sourceLineNo">212</span><a name="line.212"></a>
<span class="sourceLineNo">213</span> public int getNumberOfValidBranches()<a name="line.213"></a>
<span class="sourceLineNo">214</span> {<a name="line.214"></a>
<span class="sourceLineNo">215</span> lock.lock();<a name="line.215"></a>
<span class="sourceLineNo">216</span> try<a name="line.216"></a>
<span class="sourceLineNo">217</span> {<a name="line.217"></a>
<span class="sourceLineNo">218</span> return hits.length + 1;<a name="line.218"></a>
<span class="sourceLineNo">219</span> }<a name="line.219"></a>
<span class="sourceLineNo">220</span> finally<a name="line.220"></a>
<span class="sourceLineNo">221</span> {<a name="line.221"></a>
<span class="sourceLineNo">222</span> lock.unlock();<a name="line.222"></a>
<span class="sourceLineNo">223</span> }<a name="line.223"></a>
<span class="sourceLineNo">224</span> }<a name="line.224"></a>
<span class="sourceLineNo">225</span><a name="line.225"></a>
<span class="sourceLineNo">226</span> public void merge(BranchCoverageData coverageData)<a name="line.226"></a>
<span class="sourceLineNo">227</span> {<a name="line.227"></a>
<span class="sourceLineNo">228</span> SwitchData switchData = (SwitchData) coverageData;<a name="line.228"></a>
<span class="sourceLineNo">229</span> getBothLocks(switchData);<a name="line.229"></a>
<span class="sourceLineNo">230</span> try<a name="line.230"></a>
<span class="sourceLineNo">231</span> {<a name="line.231"></a>
<span class="sourceLineNo">232</span> defaultHits += switchData.defaultHits;<a name="line.232"></a>
<span class="sourceLineNo">233</span> for (int i = Math.min(hits.length, switchData.hits.length) - 1; i >= 0; i--)<a name="line.233"></a>
<span class="sourceLineNo">234</span> hits[i] += switchData.hits[i];<a name="line.234"></a>
<span class="sourceLineNo">235</span> if (switchData.hits.length > hits.length)<a name="line.235"></a>
<span class="sourceLineNo">236</span> {<a name="line.236"></a>
<span class="sourceLineNo">237</span> long[] old = hits;<a name="line.237"></a>
<span class="sourceLineNo">238</span> hits = new long[switchData.hits.length];<a name="line.238"></a>
<span class="sourceLineNo">239</span> System.arraycopy(old, 0, hits, 0, old.length);<a name="line.239"></a>
<span class="sourceLineNo">240</span> System.arraycopy(switchData.hits, old.length, hits, old.length, hits.length - old.length);<a name="line.240"></a>
<span class="sourceLineNo">241</span> }<a name="line.241"></a>
<span class="sourceLineNo">242</span> if ((this.keys.length == 0) && (switchData.keys.length > 0))<a name="line.242"></a>
<span class="sourceLineNo">243</span> this.keys = switchData.keys;<a name="line.243"></a>
<span class="sourceLineNo">244</span> }<a name="line.244"></a>
<span class="sourceLineNo">245</span> finally<a name="line.245"></a>
<span class="sourceLineNo">246</span> {<a name="line.246"></a>
<span class="sourceLineNo">247</span> lock.unlock();<a name="line.247"></a>
<span class="sourceLineNo">248</span> switchData.lock.unlock();<a name="line.248"></a>
<span class="sourceLineNo">249</span> }<a name="line.249"></a>
<span class="sourceLineNo">250</span><a name="line.250"></a>
<span class="sourceLineNo">251</span> }<a name="line.251"></a>
<span class="sourceLineNo">252</span><a name="line.252"></a>
<span class="sourceLineNo">253</span> private void getBothLocks(SwitchData other) {<a name="line.253"></a>
<span class="sourceLineNo">254</span> /*<a name="line.254"></a>
<span class="sourceLineNo">255</span> * To prevent deadlock, we need to get both locks or none at all.<a name="line.255"></a>
<span class="sourceLineNo">256</span> * <a name="line.256"></a>
<span class="sourceLineNo">257</span> * When this method returns, the thread will have both locks.<a name="line.257"></a>
<span class="sourceLineNo">258</span> * Make sure you unlock them!<a name="line.258"></a>
<span class="sourceLineNo">259</span> */<a name="line.259"></a>
<span class="sourceLineNo">260</span> boolean myLock = false;<a name="line.260"></a>
<span class="sourceLineNo">261</span> boolean otherLock = false;<a name="line.261"></a>
<span class="sourceLineNo">262</span> while ((!myLock) || (!otherLock))<a name="line.262"></a>
<span class="sourceLineNo">263</span> {<a name="line.263"></a>
<span class="sourceLineNo">264</span> try<a name="line.264"></a>
<span class="sourceLineNo">265</span> {<a name="line.265"></a>
<span class="sourceLineNo">266</span> myLock = lock.tryLock();<a name="line.266"></a>
<span class="sourceLineNo">267</span> otherLock = other.lock.tryLock();<a name="line.267"></a>
<span class="sourceLineNo">268</span> }<a name="line.268"></a>
<span class="sourceLineNo">269</span> finally<a name="line.269"></a>
<span class="sourceLineNo">270</span> {<a name="line.270"></a>
<span class="sourceLineNo">271</span> if ((!myLock) || (!otherLock))<a name="line.271"></a>
<span class="sourceLineNo">272</span> {<a name="line.272"></a>
<span class="sourceLineNo">273</span> //could not obtain both locks - so unlock the one we got.<a name="line.273"></a>
<span class="sourceLineNo">274</span> if (myLock)<a name="line.274"></a>
<span class="sourceLineNo">275</span> {<a name="line.275"></a>
<span class="sourceLineNo">276</span> lock.unlock();<a name="line.276"></a>
<span class="sourceLineNo">277</span> }<a name="line.277"></a>
<span class="sourceLineNo">278</span> if (otherLock)<a name="line.278"></a>
<span class="sourceLineNo">279</span> {<a name="line.279"></a>
<span class="sourceLineNo">280</span> other.lock.unlock();<a name="line.280"></a>
<span class="sourceLineNo">281</span> }<a name="line.281"></a>
<span class="sourceLineNo">282</span> //do a yield so the other threads will get to work.<a name="line.282"></a>
<span class="sourceLineNo">283</span> Thread.yield();<a name="line.283"></a>
<span class="sourceLineNo">284</span> }<a name="line.284"></a>
<span class="sourceLineNo">285</span> }<a name="line.285"></a>
<span class="sourceLineNo">286</span> }<a name="line.286"></a>
<span class="sourceLineNo">287</span> }<a name="line.287"></a>
<span class="sourceLineNo">288</span><a name="line.288"></a>
<span class="sourceLineNo">289</span> private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException<a name="line.289"></a>
<span class="sourceLineNo">290</span> {<a name="line.290"></a>
<span class="sourceLineNo">291</span> in.defaultReadObject();<a name="line.291"></a>
<span class="sourceLineNo">292</span> initLock();<a name="line.292"></a>
<span class="sourceLineNo">293</span> }<a name="line.293"></a>
<span class="sourceLineNo">294</span>}<a name="line.294"></a>
</pre>
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