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apache / shiro-site / 01016f43374d9b054f3ea1e568b015d5d69428f9 / . / src / site / assets / static / 1.2.1 / apidocs / src-html / org / apache / shiro / session / mgt / DefaultSessionManager.html
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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a>
<span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a>
<span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a>
<span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a>
<span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a>
<span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a>
<span class="sourceLineNo">018</span> */<a name="line.18"></a>
<span class="sourceLineNo">019</span>package org.apache.shiro.session.mgt;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.shiro.cache.CacheManager;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.apache.shiro.cache.CacheManagerAware;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.apache.shiro.session.Session;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.shiro.session.UnknownSessionException;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.shiro.session.mgt.eis.MemorySessionDAO;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.shiro.session.mgt.eis.SessionDAO;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.slf4j.Logger;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.slf4j.LoggerFactory;<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.io.Serializable;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.util.Collection;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.util.Collections;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import java.util.Date;<a name="line.33"></a>
<span class="sourceLineNo">034</span><a name="line.34"></a>
<span class="sourceLineNo">035</span>/**<a name="line.35"></a>
<span class="sourceLineNo">036</span> * Default business-tier implementation of a {@link ValidatingSessionManager}. All session CRUD operations are<a name="line.36"></a>
<span class="sourceLineNo">037</span> * delegated to an internal {@link SessionDAO}.<a name="line.37"></a>
<span class="sourceLineNo">038</span> *<a name="line.38"></a>
<span class="sourceLineNo">039</span> * @since 0.1<a name="line.39"></a>
<span class="sourceLineNo">040</span> */<a name="line.40"></a>
<span class="sourceLineNo">041</span>public class DefaultSessionManager extends AbstractValidatingSessionManager implements CacheManagerAware {<a name="line.41"></a>
<span class="sourceLineNo">042</span><a name="line.42"></a>
<span class="sourceLineNo">043</span> //TODO - complete JavaDoc<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span> private static final Logger log = LoggerFactory.getLogger(DefaultSessionManager.class);<a name="line.45"></a>
<span class="sourceLineNo">046</span><a name="line.46"></a>
<span class="sourceLineNo">047</span> private SessionFactory sessionFactory;<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span> protected SessionDAO sessionDAO; //todo - move SessionDAO up to AbstractValidatingSessionManager?<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span> private CacheManager cacheManager;<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span> private boolean deleteInvalidSessions;<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>
<span class="sourceLineNo">055</span> public DefaultSessionManager() {<a name="line.55"></a>
<span class="sourceLineNo">056</span> this.deleteInvalidSessions = true;<a name="line.56"></a>
<span class="sourceLineNo">057</span> this.sessionFactory = new SimpleSessionFactory();<a name="line.57"></a>
<span class="sourceLineNo">058</span> this.sessionDAO = new MemorySessionDAO();<a name="line.58"></a>
<span class="sourceLineNo">059</span> }<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span> public void setSessionDAO(SessionDAO sessionDAO) {<a name="line.61"></a>
<span class="sourceLineNo">062</span> this.sessionDAO = sessionDAO;<a name="line.62"></a>
<span class="sourceLineNo">063</span> applyCacheManagerToSessionDAO();<a name="line.63"></a>
<span class="sourceLineNo">064</span> }<a name="line.64"></a>
<span class="sourceLineNo">065</span><a name="line.65"></a>
<span class="sourceLineNo">066</span> public SessionDAO getSessionDAO() {<a name="line.66"></a>
<span class="sourceLineNo">067</span> return this.sessionDAO;<a name="line.67"></a>
<span class="sourceLineNo">068</span> }<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span> /**<a name="line.70"></a>
<span class="sourceLineNo">071</span> * Returns the {@code SessionFactory} used to generate new {@link Session} instances. The default instance<a name="line.71"></a>
<span class="sourceLineNo">072</span> * is a {@link SimpleSessionFactory}.<a name="line.72"></a>
<span class="sourceLineNo">073</span> *<a name="line.73"></a>
<span class="sourceLineNo">074</span> * @return the {@code SessionFactory} used to generate new {@link Session} instances.<a name="line.74"></a>
<span class="sourceLineNo">075</span> * @since 1.0<a name="line.75"></a>
<span class="sourceLineNo">076</span> */<a name="line.76"></a>
<span class="sourceLineNo">077</span> public SessionFactory getSessionFactory() {<a name="line.77"></a>
<span class="sourceLineNo">078</span> return sessionFactory;<a name="line.78"></a>
<span class="sourceLineNo">079</span> }<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> * Sets the {@code SessionFactory} used to generate new {@link Session} instances. The default instance<a name="line.82"></a>
<span class="sourceLineNo">083</span> * is a {@link SimpleSessionFactory}.<a name="line.83"></a>
<span class="sourceLineNo">084</span> *<a name="line.84"></a>
<span class="sourceLineNo">085</span> * @param sessionFactory the {@code SessionFactory} used to generate new {@link Session} instances.<a name="line.85"></a>
<span class="sourceLineNo">086</span> * @since 1.0<a name="line.86"></a>
<span class="sourceLineNo">087</span> */<a name="line.87"></a>
<span class="sourceLineNo">088</span> public void setSessionFactory(SessionFactory sessionFactory) {<a name="line.88"></a>
<span class="sourceLineNo">089</span> this.sessionFactory = sessionFactory;<a name="line.89"></a>
<span class="sourceLineNo">090</span> }<a name="line.90"></a>
<span class="sourceLineNo">091</span><a name="line.91"></a>
<span class="sourceLineNo">092</span> /**<a name="line.92"></a>
<span class="sourceLineNo">093</span> * Returns {@code true} if sessions should be automatically deleted after they are discovered to be invalid,<a name="line.93"></a>
<span class="sourceLineNo">094</span> * {@code false} if invalid sessions will be manually deleted by some process external to Shiro's control. The<a name="line.94"></a>
<span class="sourceLineNo">095</span> * default is {@code true} to ensure no orphans exist in the underlying data store.<a name="line.95"></a>
<span class="sourceLineNo">096</span> * &lt;h4&gt;Usage&lt;/h4&gt;<a name="line.96"></a>
<span class="sourceLineNo">097</span> * It is ok to set this to {@code false} &lt;b&gt;&lt;em&gt;ONLY&lt;/em&gt;&lt;/b&gt; if you have some other process that you manage yourself<a name="line.97"></a>
<span class="sourceLineNo">098</span> * that periodically deletes invalid sessions from the backing data store over time, such as via a Quartz or Cron<a name="line.98"></a>
<span class="sourceLineNo">099</span> * job. If you do not do this, the invalid sessions will become 'orphans' and fill up the data store over time.<a name="line.99"></a>
<span class="sourceLineNo">100</span> * &lt;p/&gt;<a name="line.100"></a>
<span class="sourceLineNo">101</span> * This property is provided because some systems need the ability to perform querying/reporting against sessions in<a name="line.101"></a>
<span class="sourceLineNo">102</span> * the data store, even after they have stopped or expired. Setting this attribute to {@code false} will allow<a name="line.102"></a>
<span class="sourceLineNo">103</span> * such querying, but with the caveat that the application developer/configurer deletes the sessions themselves by<a name="line.103"></a>
<span class="sourceLineNo">104</span> * some other means (cron, quartz, etc).<a name="line.104"></a>
<span class="sourceLineNo">105</span> *<a name="line.105"></a>
<span class="sourceLineNo">106</span> * @return {@code true} if sessions should be automatically deleted after they are discovered to be invalid,<a name="line.106"></a>
<span class="sourceLineNo">107</span> * {@code false} if invalid sessions will be manually deleted by some process external to Shiro's control.<a name="line.107"></a>
<span class="sourceLineNo">108</span> * @since 1.0<a name="line.108"></a>
<span class="sourceLineNo">109</span> */<a name="line.109"></a>
<span class="sourceLineNo">110</span> public boolean isDeleteInvalidSessions() {<a name="line.110"></a>
<span class="sourceLineNo">111</span> return deleteInvalidSessions;<a name="line.111"></a>
<span class="sourceLineNo">112</span> }<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span> /**<a name="line.114"></a>
<span class="sourceLineNo">115</span> * Sets whether or not sessions should be automatically deleted after they are discovered to be invalid. Default<a name="line.115"></a>
<span class="sourceLineNo">116</span> * value is {@code true} to ensure no orphans will exist in the underlying data store.<a name="line.116"></a>
<span class="sourceLineNo">117</span> * &lt;h4&gt;WARNING&lt;/h4&gt;<a name="line.117"></a>
<span class="sourceLineNo">118</span> * Only set this value to {@code false} if you are manually going to delete sessions yourself by some process<a name="line.118"></a>
<span class="sourceLineNo">119</span> * (quartz, cron, etc) external to Shiro's control. See the<a name="line.119"></a>
<span class="sourceLineNo">120</span> * {@link #isDeleteInvalidSessions() isDeleteInvalidSessions()} JavaDoc for more.<a name="line.120"></a>
<span class="sourceLineNo">121</span> *<a name="line.121"></a>
<span class="sourceLineNo">122</span> * @param deleteInvalidSessions whether or not sessions should be automatically deleted after they are discovered<a name="line.122"></a>
<span class="sourceLineNo">123</span> * to be invalid.<a name="line.123"></a>
<span class="sourceLineNo">124</span> * @since 1.0<a name="line.124"></a>
<span class="sourceLineNo">125</span> */<a name="line.125"></a>
<span class="sourceLineNo">126</span> @SuppressWarnings({"UnusedDeclaration"})<a name="line.126"></a>
<span class="sourceLineNo">127</span> public void setDeleteInvalidSessions(boolean deleteInvalidSessions) {<a name="line.127"></a>
<span class="sourceLineNo">128</span> this.deleteInvalidSessions = deleteInvalidSessions;<a name="line.128"></a>
<span class="sourceLineNo">129</span> }<a name="line.129"></a>
<span class="sourceLineNo">130</span><a name="line.130"></a>
<span class="sourceLineNo">131</span> public void setCacheManager(CacheManager cacheManager) {<a name="line.131"></a>
<span class="sourceLineNo">132</span> this.cacheManager = cacheManager;<a name="line.132"></a>
<span class="sourceLineNo">133</span> applyCacheManagerToSessionDAO();<a name="line.133"></a>
<span class="sourceLineNo">134</span> }<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span> /**<a name="line.136"></a>
<span class="sourceLineNo">137</span> * Sets the internal {@code CacheManager} on the {@code SessionDAO} if it implements the<a name="line.137"></a>
<span class="sourceLineNo">138</span> * {@link org.apache.shiro.cache.CacheManagerAware CacheManagerAware} interface.<a name="line.138"></a>
<span class="sourceLineNo">139</span> * &lt;p/&gt;<a name="line.139"></a>
<span class="sourceLineNo">140</span> * This method is called after setting a cacheManager via the<a name="line.140"></a>
<span class="sourceLineNo">141</span> * {@link #setCacheManager(org.apache.shiro.cache.CacheManager) setCacheManager} method &lt;em&gt;em&lt;/em&gt; when<a name="line.141"></a>
<span class="sourceLineNo">142</span> * setting a {@code SessionDAO} via the {@link #setSessionDAO} method to allow it to be propagated<a name="line.142"></a>
<span class="sourceLineNo">143</span> * in either case.<a name="line.143"></a>
<span class="sourceLineNo">144</span> *<a name="line.144"></a>
<span class="sourceLineNo">145</span> * @since 1.0<a name="line.145"></a>
<span class="sourceLineNo">146</span> */<a name="line.146"></a>
<span class="sourceLineNo">147</span> private void applyCacheManagerToSessionDAO() {<a name="line.147"></a>
<span class="sourceLineNo">148</span> if (this.cacheManager != null &amp;&amp; this.sessionDAO != null &amp;&amp; this.sessionDAO instanceof CacheManagerAware) {<a name="line.148"></a>
<span class="sourceLineNo">149</span> ((CacheManagerAware) this.sessionDAO).setCacheManager(this.cacheManager);<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><a name="line.152"></a>
<span class="sourceLineNo">153</span> protected Session doCreateSession(SessionContext context) {<a name="line.153"></a>
<span class="sourceLineNo">154</span> Session s = newSessionInstance(context);<a name="line.154"></a>
<span class="sourceLineNo">155</span> if (log.isTraceEnabled()) {<a name="line.155"></a>
<span class="sourceLineNo">156</span> log.trace("Creating session for host {}", s.getHost());<a name="line.156"></a>
<span class="sourceLineNo">157</span> }<a name="line.157"></a>
<span class="sourceLineNo">158</span> create(s);<a name="line.158"></a>
<span class="sourceLineNo">159</span> return s;<a name="line.159"></a>
<span class="sourceLineNo">160</span> }<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span> protected Session newSessionInstance(SessionContext context) {<a name="line.162"></a>
<span class="sourceLineNo">163</span> return getSessionFactory().createSession(context);<a name="line.163"></a>
<span class="sourceLineNo">164</span> }<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> * Persists the given session instance to an underlying EIS (Enterprise Information System). This implementation<a name="line.167"></a>
<span class="sourceLineNo">168</span> * delegates and calls<a name="line.168"></a>
<span class="sourceLineNo">169</span> * &lt;code&gt;this.{@link SessionDAO sessionDAO}.{@link SessionDAO#create(org.apache.shiro.session.Session) create}(session);&lt;code&gt;<a name="line.169"></a>
<span class="sourceLineNo">170</span> *<a name="line.170"></a>
<span class="sourceLineNo">171</span> * @param session the Session instance to persist to the underlying EIS.<a name="line.171"></a>
<span class="sourceLineNo">172</span> */<a name="line.172"></a>
<span class="sourceLineNo">173</span> protected void create(Session session) {<a name="line.173"></a>
<span class="sourceLineNo">174</span> if (log.isDebugEnabled()) {<a name="line.174"></a>
<span class="sourceLineNo">175</span> log.debug("Creating new EIS record for new session instance [" + session + "]");<a name="line.175"></a>
<span class="sourceLineNo">176</span> }<a name="line.176"></a>
<span class="sourceLineNo">177</span> sessionDAO.create(session);<a name="line.177"></a>
<span class="sourceLineNo">178</span> }<a name="line.178"></a>
<span class="sourceLineNo">179</span><a name="line.179"></a>
<span class="sourceLineNo">180</span> @Override<a name="line.180"></a>
<span class="sourceLineNo">181</span> protected void onStop(Session session) {<a name="line.181"></a>
<span class="sourceLineNo">182</span> if (session instanceof SimpleSession) {<a name="line.182"></a>
<span class="sourceLineNo">183</span> SimpleSession ss = (SimpleSession) session;<a name="line.183"></a>
<span class="sourceLineNo">184</span> Date stopTs = ss.getStopTimestamp();<a name="line.184"></a>
<span class="sourceLineNo">185</span> ss.setLastAccessTime(stopTs);<a name="line.185"></a>
<span class="sourceLineNo">186</span> }<a name="line.186"></a>
<span class="sourceLineNo">187</span> onChange(session);<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> @Override<a name="line.190"></a>
<span class="sourceLineNo">191</span> protected void afterStopped(Session session) {<a name="line.191"></a>
<span class="sourceLineNo">192</span> if (isDeleteInvalidSessions()) {<a name="line.192"></a>
<span class="sourceLineNo">193</span> delete(session);<a name="line.193"></a>
<span class="sourceLineNo">194</span> }<a name="line.194"></a>
<span class="sourceLineNo">195</span> }<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span> protected void onExpiration(Session session) {<a name="line.197"></a>
<span class="sourceLineNo">198</span> if (session instanceof SimpleSession) {<a name="line.198"></a>
<span class="sourceLineNo">199</span> ((SimpleSession) session).setExpired(true);<a name="line.199"></a>
<span class="sourceLineNo">200</span> }<a name="line.200"></a>
<span class="sourceLineNo">201</span> onChange(session);<a name="line.201"></a>
<span class="sourceLineNo">202</span> }<a name="line.202"></a>
<span class="sourceLineNo">203</span><a name="line.203"></a>
<span class="sourceLineNo">204</span> @Override<a name="line.204"></a>
<span class="sourceLineNo">205</span> protected void afterExpired(Session session) {<a name="line.205"></a>
<span class="sourceLineNo">206</span> if (isDeleteInvalidSessions()) {<a name="line.206"></a>
<span class="sourceLineNo">207</span> delete(session);<a name="line.207"></a>
<span class="sourceLineNo">208</span> }<a name="line.208"></a>
<span class="sourceLineNo">209</span> }<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span> protected void onChange(Session session) {<a name="line.211"></a>
<span class="sourceLineNo">212</span> sessionDAO.update(session);<a name="line.212"></a>
<span class="sourceLineNo">213</span> }<a name="line.213"></a>
<span class="sourceLineNo">214</span><a name="line.214"></a>
<span class="sourceLineNo">215</span> protected Session retrieveSession(SessionKey sessionKey) throws UnknownSessionException {<a name="line.215"></a>
<span class="sourceLineNo">216</span> Serializable sessionId = getSessionId(sessionKey);<a name="line.216"></a>
<span class="sourceLineNo">217</span> if (sessionId == null) {<a name="line.217"></a>
<span class="sourceLineNo">218</span> log.debug("Unable to resolve session ID from SessionKey [{}]. Returning null to indicate a " +<a name="line.218"></a>
<span class="sourceLineNo">219</span> "session could not be found.", sessionKey);<a name="line.219"></a>
<span class="sourceLineNo">220</span> return null;<a name="line.220"></a>
<span class="sourceLineNo">221</span> }<a name="line.221"></a>
<span class="sourceLineNo">222</span> Session s = retrieveSessionFromDataSource(sessionId);<a name="line.222"></a>
<span class="sourceLineNo">223</span> if (s == null) {<a name="line.223"></a>
<span class="sourceLineNo">224</span> //session ID was provided, meaning one is expected to be found, but we couldn't find one:<a name="line.224"></a>
<span class="sourceLineNo">225</span> String msg = "Could not find session with ID [" + sessionId + "]";<a name="line.225"></a>
<span class="sourceLineNo">226</span> throw new UnknownSessionException(msg);<a name="line.226"></a>
<span class="sourceLineNo">227</span> }<a name="line.227"></a>
<span class="sourceLineNo">228</span> return s;<a name="line.228"></a>
<span class="sourceLineNo">229</span> }<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span> protected Serializable getSessionId(SessionKey sessionKey) {<a name="line.231"></a>
<span class="sourceLineNo">232</span> return sessionKey.getSessionId();<a name="line.232"></a>
<span class="sourceLineNo">233</span> }<a name="line.233"></a>
<span class="sourceLineNo">234</span><a name="line.234"></a>
<span class="sourceLineNo">235</span> protected Session retrieveSessionFromDataSource(Serializable sessionId) throws UnknownSessionException {<a name="line.235"></a>
<span class="sourceLineNo">236</span> return sessionDAO.readSession(sessionId);<a name="line.236"></a>
<span class="sourceLineNo">237</span> }<a name="line.237"></a>
<span class="sourceLineNo">238</span><a name="line.238"></a>
<span class="sourceLineNo">239</span> protected void delete(Session session) {<a name="line.239"></a>
<span class="sourceLineNo">240</span> sessionDAO.delete(session);<a name="line.240"></a>
<span class="sourceLineNo">241</span> }<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span> protected Collection&lt;Session&gt; getActiveSessions() {<a name="line.243"></a>
<span class="sourceLineNo">244</span> Collection&lt;Session&gt; active = sessionDAO.getActiveSessions();<a name="line.244"></a>
<span class="sourceLineNo">245</span> return active != null ? active : Collections.&lt;Session&gt;emptySet();<a name="line.245"></a>
<span class="sourceLineNo">246</span> }<a name="line.246"></a>
<span class="sourceLineNo">247</span><a name="line.247"></a>
<span class="sourceLineNo">248</span>}<a name="line.248"></a>
</pre>
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