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| <pre><span class="sourceLineNo">001</span><a id="line.1">/*</a> |
| <span class="sourceLineNo">002</span><a id="line.2"> * Licensed to the Apache Software Foundation (ASF) under one</a> |
| <span class="sourceLineNo">003</span><a id="line.3"> * or more contributor license agreements. See the NOTICE file</a> |
| <span class="sourceLineNo">004</span><a id="line.4"> * distributed with this work for additional information</a> |
| <span class="sourceLineNo">005</span><a id="line.5"> * regarding copyright ownership. The ASF licenses this file</a> |
| <span class="sourceLineNo">006</span><a id="line.6"> * to you under the Apache License, Version 2.0 (the</a> |
| <span class="sourceLineNo">007</span><a id="line.7"> * "License"); you may not use this file except in compliance</a> |
| <span class="sourceLineNo">008</span><a id="line.8"> * with the License. You may obtain a copy of the License at</a> |
| <span class="sourceLineNo">009</span><a id="line.9"> *</a> |
| <span class="sourceLineNo">010</span><a id="line.10"> * http://www.apache.org/licenses/LICENSE-2.0</a> |
| <span class="sourceLineNo">011</span><a id="line.11"> *</a> |
| <span class="sourceLineNo">012</span><a id="line.12"> * Unless required by applicable law or agreed to in writing,</a> |
| <span class="sourceLineNo">013</span><a id="line.13"> * software distributed under the License is distributed on an</a> |
| <span class="sourceLineNo">014</span><a id="line.14"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</a> |
| <span class="sourceLineNo">015</span><a id="line.15"> * KIND, either express or implied. See the License for the</a> |
| <span class="sourceLineNo">016</span><a id="line.16"> * specific language governing permissions and limitations</a> |
| <span class="sourceLineNo">017</span><a id="line.17"> * under the License.</a> |
| <span class="sourceLineNo">018</span><a id="line.18"> */</a> |
| <span class="sourceLineNo">019</span><a id="line.19">package org.apache.shiro.session.mgt;</a> |
| <span class="sourceLineNo">020</span><a id="line.20"></a> |
| <span class="sourceLineNo">021</span><a id="line.21">import org.apache.shiro.session.ExpiredSessionException;</a> |
| <span class="sourceLineNo">022</span><a id="line.22">import org.apache.shiro.session.InvalidSessionException;</a> |
| <span class="sourceLineNo">023</span><a id="line.23">import org.apache.shiro.session.StoppedSessionException;</a> |
| <span class="sourceLineNo">024</span><a id="line.24">import org.apache.shiro.util.CollectionUtils;</a> |
| <span class="sourceLineNo">025</span><a id="line.25">import org.slf4j.Logger;</a> |
| <span class="sourceLineNo">026</span><a id="line.26">import org.slf4j.LoggerFactory;</a> |
| <span class="sourceLineNo">027</span><a id="line.27"></a> |
| <span class="sourceLineNo">028</span><a id="line.28">import java.io.IOException;</a> |
| <span class="sourceLineNo">029</span><a id="line.29">import java.io.ObjectInputStream;</a> |
| <span class="sourceLineNo">030</span><a id="line.30">import java.io.ObjectOutputStream;</a> |
| <span class="sourceLineNo">031</span><a id="line.31">import java.io.Serializable;</a> |
| <span class="sourceLineNo">032</span><a id="line.32">import java.text.DateFormat;</a> |
| <span class="sourceLineNo">033</span><a id="line.33">import java.util.*;</a> |
| <span class="sourceLineNo">034</span><a id="line.34"></a> |
| <span class="sourceLineNo">035</span><a id="line.35"></a> |
| <span class="sourceLineNo">036</span><a id="line.36">/**</a> |
| <span class="sourceLineNo">037</span><a id="line.37"> * Simple {@link org.apache.shiro.session.Session} JavaBeans-compatible POJO implementation, intended to be used on the</a> |
| <span class="sourceLineNo">038</span><a id="line.38"> * business/server tier.</a> |
| <span class="sourceLineNo">039</span><a id="line.39"> *</a> |
| <span class="sourceLineNo">040</span><a id="line.40"> * @since 0.1</a> |
| <span class="sourceLineNo">041</span><a id="line.41"> */</a> |
| <span class="sourceLineNo">042</span><a id="line.42">public class SimpleSession implements ValidatingSession, Serializable {</a> |
| <span class="sourceLineNo">043</span><a id="line.43"></a> |
| <span class="sourceLineNo">044</span><a id="line.44"> // Serialization reminder:</a> |
| <span class="sourceLineNo">045</span><a id="line.45"> // You _MUST_ change this number if you introduce a change to this class</a> |
| <span class="sourceLineNo">046</span><a id="line.46"> // that is NOT serialization backwards compatible. Serialization-compatible</a> |
| <span class="sourceLineNo">047</span><a id="line.47"> // changes do not require a change to this number. If you need to generate</a> |
| <span class="sourceLineNo">048</span><a id="line.48"> // a new number in this case, use the JDK's 'serialver' program to generate it.</a> |
| <span class="sourceLineNo">049</span><a id="line.49"> private static final long serialVersionUID = -7125642695178165650L;</a> |
| <span class="sourceLineNo">050</span><a id="line.50"></a> |
| <span class="sourceLineNo">051</span><a id="line.51"> //TODO - complete JavaDoc</a> |
| <span class="sourceLineNo">052</span><a id="line.52"> private transient static final Logger log = LoggerFactory.getLogger(SimpleSession.class);</a> |
| <span class="sourceLineNo">053</span><a id="line.53"></a> |
| <span class="sourceLineNo">054</span><a id="line.54"> protected static final long MILLIS_PER_SECOND = 1000;</a> |
| <span class="sourceLineNo">055</span><a id="line.55"> protected static final long MILLIS_PER_MINUTE = 60 * MILLIS_PER_SECOND;</a> |
| <span class="sourceLineNo">056</span><a id="line.56"> protected static final long MILLIS_PER_HOUR = 60 * MILLIS_PER_MINUTE;</a> |
| <span class="sourceLineNo">057</span><a id="line.57"></a> |
| <span class="sourceLineNo">058</span><a id="line.58"> //serialization bitmask fields. DO NOT CHANGE THE ORDER THEY ARE DECLARED!</a> |
| <span class="sourceLineNo">059</span><a id="line.59"> static int bitIndexCounter = 0;</a> |
| <span class="sourceLineNo">060</span><a id="line.60"> private static final int ID_BIT_MASK = 1 << bitIndexCounter++;</a> |
| <span class="sourceLineNo">061</span><a id="line.61"> private static final int START_TIMESTAMP_BIT_MASK = 1 << bitIndexCounter++;</a> |
| <span class="sourceLineNo">062</span><a id="line.62"> private static final int STOP_TIMESTAMP_BIT_MASK = 1 << bitIndexCounter++;</a> |
| <span class="sourceLineNo">063</span><a id="line.63"> private static final int LAST_ACCESS_TIME_BIT_MASK = 1 << bitIndexCounter++;</a> |
| <span class="sourceLineNo">064</span><a id="line.64"> private static final int TIMEOUT_BIT_MASK = 1 << bitIndexCounter++;</a> |
| <span class="sourceLineNo">065</span><a id="line.65"> private static final int EXPIRED_BIT_MASK = 1 << bitIndexCounter++;</a> |
| <span class="sourceLineNo">066</span><a id="line.66"> private static final int HOST_BIT_MASK = 1 << bitIndexCounter++;</a> |
| <span class="sourceLineNo">067</span><a id="line.67"> private static final int ATTRIBUTES_BIT_MASK = 1 << bitIndexCounter++;</a> |
| <span class="sourceLineNo">068</span><a id="line.68"></a> |
| <span class="sourceLineNo">069</span><a id="line.69"> // ==============================================================</a> |
| <span class="sourceLineNo">070</span><a id="line.70"> // NOTICE:</a> |
| <span class="sourceLineNo">071</span><a id="line.71"> //</a> |
| <span class="sourceLineNo">072</span><a id="line.72"> // The following fields are marked as transient to avoid double-serialization.</a> |
| <span class="sourceLineNo">073</span><a id="line.73"> // They are in fact serialized (even though 'transient' usually indicates otherwise),</a> |
| <span class="sourceLineNo">074</span><a id="line.74"> // but they are serialized explicitly via the writeObject and readObject implementations</a> |
| <span class="sourceLineNo">075</span><a id="line.75"> // in this class.</a> |
| <span class="sourceLineNo">076</span><a id="line.76"> //</a> |
| <span class="sourceLineNo">077</span><a id="line.77"> // If we didn't declare them as transient, the out.defaultWriteObject(); call in writeObject would</a> |
| <span class="sourceLineNo">078</span><a id="line.78"> // serialize all non-transient fields as well, effectively doubly serializing the fields (also</a> |
| <span class="sourceLineNo">079</span><a id="line.79"> // doubling the serialization size).</a> |
| <span class="sourceLineNo">080</span><a id="line.80"> //</a> |
| <span class="sourceLineNo">081</span><a id="line.81"> // This finding, with discussion, was covered here:</a> |
| <span class="sourceLineNo">082</span><a id="line.82"> //</a> |
| <span class="sourceLineNo">083</span><a id="line.83"> // http://mail-archives.apache.org/mod_mbox/shiro-user/201109.mbox/%3C4E81BCBD.8060909@metaphysis.net%3E</a> |
| <span class="sourceLineNo">084</span><a id="line.84"> //</a> |
| <span class="sourceLineNo">085</span><a id="line.85"> // ==============================================================</a> |
| <span class="sourceLineNo">086</span><a id="line.86"> private transient Serializable id;</a> |
| <span class="sourceLineNo">087</span><a id="line.87"> private transient Date startTimestamp;</a> |
| <span class="sourceLineNo">088</span><a id="line.88"> private transient Date stopTimestamp;</a> |
| <span class="sourceLineNo">089</span><a id="line.89"> private transient Date lastAccessTime;</a> |
| <span class="sourceLineNo">090</span><a id="line.90"> private transient long timeout;</a> |
| <span class="sourceLineNo">091</span><a id="line.91"> private transient boolean expired;</a> |
| <span class="sourceLineNo">092</span><a id="line.92"> private transient String host;</a> |
| <span class="sourceLineNo">093</span><a id="line.93"> private transient Map<Object, Object> attributes;</a> |
| <span class="sourceLineNo">094</span><a id="line.94"></a> |
| <span class="sourceLineNo">095</span><a id="line.95"> public SimpleSession() {</a> |
| <span class="sourceLineNo">096</span><a id="line.96"> this.timeout = DefaultSessionManager.DEFAULT_GLOBAL_SESSION_TIMEOUT; //TODO - remove concrete reference to DefaultSessionManager</a> |
| <span class="sourceLineNo">097</span><a id="line.97"> this.startTimestamp = new Date();</a> |
| <span class="sourceLineNo">098</span><a id="line.98"> this.lastAccessTime = this.startTimestamp;</a> |
| <span class="sourceLineNo">099</span><a id="line.99"> }</a> |
| <span class="sourceLineNo">100</span><a id="line.100"></a> |
| <span class="sourceLineNo">101</span><a id="line.101"> public SimpleSession(String host) {</a> |
| <span class="sourceLineNo">102</span><a id="line.102"> this();</a> |
| <span class="sourceLineNo">103</span><a id="line.103"> this.host = host;</a> |
| <span class="sourceLineNo">104</span><a id="line.104"> }</a> |
| <span class="sourceLineNo">105</span><a id="line.105"></a> |
| <span class="sourceLineNo">106</span><a id="line.106"> public Serializable getId() {</a> |
| <span class="sourceLineNo">107</span><a id="line.107"> return this.id;</a> |
| <span class="sourceLineNo">108</span><a id="line.108"> }</a> |
| <span class="sourceLineNo">109</span><a id="line.109"></a> |
| <span class="sourceLineNo">110</span><a id="line.110"> public void setId(Serializable id) {</a> |
| <span class="sourceLineNo">111</span><a id="line.111"> this.id = id;</a> |
| <span class="sourceLineNo">112</span><a id="line.112"> }</a> |
| <span class="sourceLineNo">113</span><a id="line.113"></a> |
| <span class="sourceLineNo">114</span><a id="line.114"> public Date getStartTimestamp() {</a> |
| <span class="sourceLineNo">115</span><a id="line.115"> return startTimestamp;</a> |
| <span class="sourceLineNo">116</span><a id="line.116"> }</a> |
| <span class="sourceLineNo">117</span><a id="line.117"></a> |
| <span class="sourceLineNo">118</span><a id="line.118"> public void setStartTimestamp(Date startTimestamp) {</a> |
| <span class="sourceLineNo">119</span><a id="line.119"> this.startTimestamp = startTimestamp;</a> |
| <span class="sourceLineNo">120</span><a id="line.120"> }</a> |
| <span class="sourceLineNo">121</span><a id="line.121"></a> |
| <span class="sourceLineNo">122</span><a id="line.122"> /**</a> |
| <span class="sourceLineNo">123</span><a id="line.123"> * Returns the time the session was stopped, or <tt>null</tt> if the session is still active.</a> |
| <span class="sourceLineNo">124</span><a id="line.124"> * <p/></a> |
| <span class="sourceLineNo">125</span><a id="line.125"> * A session may become stopped under a number of conditions:</a> |
| <span class="sourceLineNo">126</span><a id="line.126"> * <ul></a> |
| <span class="sourceLineNo">127</span><a id="line.127"> * <li>If the user logs out of the system, their current session is terminated (released).</li></a> |
| <span class="sourceLineNo">128</span><a id="line.128"> * <li>If the session expires</li></a> |
| <span class="sourceLineNo">129</span><a id="line.129"> * <li>The application explicitly calls {@link #stop()}</li></a> |
| <span class="sourceLineNo">130</span><a id="line.130"> * <li>If there is an internal system error and the session state can no longer accurately</a> |
| <span class="sourceLineNo">131</span><a id="line.131"> * reflect the user's behavior, such in the case of a system crash</li></a> |
| <span class="sourceLineNo">132</span><a id="line.132"> * </ul></a> |
| <span class="sourceLineNo">133</span><a id="line.133"> * <p/></a> |
| <span class="sourceLineNo">134</span><a id="line.134"> * Once stopped, a session may no longer be used. It is locked from all further activity.</a> |
| <span class="sourceLineNo">135</span><a id="line.135"> *</a> |
| <span class="sourceLineNo">136</span><a id="line.136"> * @return The time the session was stopped, or <tt>null</tt> if the session is still</a> |
| <span class="sourceLineNo">137</span><a id="line.137"> * active.</a> |
| <span class="sourceLineNo">138</span><a id="line.138"> */</a> |
| <span class="sourceLineNo">139</span><a id="line.139"> public Date getStopTimestamp() {</a> |
| <span class="sourceLineNo">140</span><a id="line.140"> return stopTimestamp;</a> |
| <span class="sourceLineNo">141</span><a id="line.141"> }</a> |
| <span class="sourceLineNo">142</span><a id="line.142"></a> |
| <span class="sourceLineNo">143</span><a id="line.143"> public void setStopTimestamp(Date stopTimestamp) {</a> |
| <span class="sourceLineNo">144</span><a id="line.144"> this.stopTimestamp = stopTimestamp;</a> |
| <span class="sourceLineNo">145</span><a id="line.145"> }</a> |
| <span class="sourceLineNo">146</span><a id="line.146"></a> |
| <span class="sourceLineNo">147</span><a id="line.147"> public Date getLastAccessTime() {</a> |
| <span class="sourceLineNo">148</span><a id="line.148"> return lastAccessTime;</a> |
| <span class="sourceLineNo">149</span><a id="line.149"> }</a> |
| <span class="sourceLineNo">150</span><a id="line.150"></a> |
| <span class="sourceLineNo">151</span><a id="line.151"> public void setLastAccessTime(Date lastAccessTime) {</a> |
| <span class="sourceLineNo">152</span><a id="line.152"> this.lastAccessTime = lastAccessTime;</a> |
| <span class="sourceLineNo">153</span><a id="line.153"> }</a> |
| <span class="sourceLineNo">154</span><a id="line.154"></a> |
| <span class="sourceLineNo">155</span><a id="line.155"> /**</a> |
| <span class="sourceLineNo">156</span><a id="line.156"> * Returns true if this session has expired, false otherwise. If the session has</a> |
| <span class="sourceLineNo">157</span><a id="line.157"> * expired, no further user interaction with the system may be done under this session.</a> |
| <span class="sourceLineNo">158</span><a id="line.158"> *</a> |
| <span class="sourceLineNo">159</span><a id="line.159"> * @return true if this session has expired, false otherwise.</a> |
| <span class="sourceLineNo">160</span><a id="line.160"> */</a> |
| <span class="sourceLineNo">161</span><a id="line.161"> public boolean isExpired() {</a> |
| <span class="sourceLineNo">162</span><a id="line.162"> return expired;</a> |
| <span class="sourceLineNo">163</span><a id="line.163"> }</a> |
| <span class="sourceLineNo">164</span><a id="line.164"></a> |
| <span class="sourceLineNo">165</span><a id="line.165"> public void setExpired(boolean expired) {</a> |
| <span class="sourceLineNo">166</span><a id="line.166"> this.expired = expired;</a> |
| <span class="sourceLineNo">167</span><a id="line.167"> }</a> |
| <span class="sourceLineNo">168</span><a id="line.168"></a> |
| <span class="sourceLineNo">169</span><a id="line.169"> public long getTimeout() {</a> |
| <span class="sourceLineNo">170</span><a id="line.170"> return timeout;</a> |
| <span class="sourceLineNo">171</span><a id="line.171"> }</a> |
| <span class="sourceLineNo">172</span><a id="line.172"></a> |
| <span class="sourceLineNo">173</span><a id="line.173"> public void setTimeout(long timeout) {</a> |
| <span class="sourceLineNo">174</span><a id="line.174"> this.timeout = timeout;</a> |
| <span class="sourceLineNo">175</span><a id="line.175"> }</a> |
| <span class="sourceLineNo">176</span><a id="line.176"></a> |
| <span class="sourceLineNo">177</span><a id="line.177"> public String getHost() {</a> |
| <span class="sourceLineNo">178</span><a id="line.178"> return host;</a> |
| <span class="sourceLineNo">179</span><a id="line.179"> }</a> |
| <span class="sourceLineNo">180</span><a id="line.180"></a> |
| <span class="sourceLineNo">181</span><a id="line.181"> public void setHost(String host) {</a> |
| <span class="sourceLineNo">182</span><a id="line.182"> this.host = host;</a> |
| <span class="sourceLineNo">183</span><a id="line.183"> }</a> |
| <span class="sourceLineNo">184</span><a id="line.184"></a> |
| <span class="sourceLineNo">185</span><a id="line.185"> public Map<Object, Object> getAttributes() {</a> |
| <span class="sourceLineNo">186</span><a id="line.186"> return attributes;</a> |
| <span class="sourceLineNo">187</span><a id="line.187"> }</a> |
| <span class="sourceLineNo">188</span><a id="line.188"></a> |
| <span class="sourceLineNo">189</span><a id="line.189"> public void setAttributes(Map<Object, Object> attributes) {</a> |
| <span class="sourceLineNo">190</span><a id="line.190"> this.attributes = attributes;</a> |
| <span class="sourceLineNo">191</span><a id="line.191"> }</a> |
| <span class="sourceLineNo">192</span><a id="line.192"></a> |
| <span class="sourceLineNo">193</span><a id="line.193"> public void touch() {</a> |
| <span class="sourceLineNo">194</span><a id="line.194"> this.lastAccessTime = new Date();</a> |
| <span class="sourceLineNo">195</span><a id="line.195"> }</a> |
| <span class="sourceLineNo">196</span><a id="line.196"></a> |
| <span class="sourceLineNo">197</span><a id="line.197"> public void stop() {</a> |
| <span class="sourceLineNo">198</span><a id="line.198"> if (this.stopTimestamp == null) {</a> |
| <span class="sourceLineNo">199</span><a id="line.199"> this.stopTimestamp = new Date();</a> |
| <span class="sourceLineNo">200</span><a id="line.200"> }</a> |
| <span class="sourceLineNo">201</span><a id="line.201"> }</a> |
| <span class="sourceLineNo">202</span><a id="line.202"></a> |
| <span class="sourceLineNo">203</span><a id="line.203"> protected boolean isStopped() {</a> |
| <span class="sourceLineNo">204</span><a id="line.204"> return getStopTimestamp() != null;</a> |
| <span class="sourceLineNo">205</span><a id="line.205"> }</a> |
| <span class="sourceLineNo">206</span><a id="line.206"></a> |
| <span class="sourceLineNo">207</span><a id="line.207"> protected void expire() {</a> |
| <span class="sourceLineNo">208</span><a id="line.208"> stop();</a> |
| <span class="sourceLineNo">209</span><a id="line.209"> this.expired = true;</a> |
| <span class="sourceLineNo">210</span><a id="line.210"> }</a> |
| <span class="sourceLineNo">211</span><a id="line.211"></a> |
| <span class="sourceLineNo">212</span><a id="line.212"> /**</a> |
| <span class="sourceLineNo">213</span><a id="line.213"> * @since 0.9</a> |
| <span class="sourceLineNo">214</span><a id="line.214"> */</a> |
| <span class="sourceLineNo">215</span><a id="line.215"> public boolean isValid() {</a> |
| <span class="sourceLineNo">216</span><a id="line.216"> return !isStopped() && !isExpired();</a> |
| <span class="sourceLineNo">217</span><a id="line.217"> }</a> |
| <span class="sourceLineNo">218</span><a id="line.218"></a> |
| <span class="sourceLineNo">219</span><a id="line.219"> /**</a> |
| <span class="sourceLineNo">220</span><a id="line.220"> * Determines if this session is expired.</a> |
| <span class="sourceLineNo">221</span><a id="line.221"> *</a> |
| <span class="sourceLineNo">222</span><a id="line.222"> * @return true if the specified session has expired, false otherwise.</a> |
| <span class="sourceLineNo">223</span><a id="line.223"> */</a> |
| <span class="sourceLineNo">224</span><a id="line.224"> protected boolean isTimedOut() {</a> |
| <span class="sourceLineNo">225</span><a id="line.225"></a> |
| <span class="sourceLineNo">226</span><a id="line.226"> if (isExpired()) {</a> |
| <span class="sourceLineNo">227</span><a id="line.227"> return true;</a> |
| <span class="sourceLineNo">228</span><a id="line.228"> }</a> |
| <span class="sourceLineNo">229</span><a id="line.229"></a> |
| <span class="sourceLineNo">230</span><a id="line.230"> long timeout = getTimeout();</a> |
| <span class="sourceLineNo">231</span><a id="line.231"></a> |
| <span class="sourceLineNo">232</span><a id="line.232"> if (timeout >= 0l) {</a> |
| <span class="sourceLineNo">233</span><a id="line.233"></a> |
| <span class="sourceLineNo">234</span><a id="line.234"> Date lastAccessTime = getLastAccessTime();</a> |
| <span class="sourceLineNo">235</span><a id="line.235"></a> |
| <span class="sourceLineNo">236</span><a id="line.236"> if (lastAccessTime == null) {</a> |
| <span class="sourceLineNo">237</span><a id="line.237"> String msg = "session.lastAccessTime for session with id [" +</a> |
| <span class="sourceLineNo">238</span><a id="line.238"> getId() + "] is null. This value must be set at " +</a> |
| <span class="sourceLineNo">239</span><a id="line.239"> "least once, preferably at least upon instantiation. Please check the " +</a> |
| <span class="sourceLineNo">240</span><a id="line.240"> getClass().getName() + " implementation and ensure " +</a> |
| <span class="sourceLineNo">241</span><a id="line.241"> "this value will be set (perhaps in the constructor?)";</a> |
| <span class="sourceLineNo">242</span><a id="line.242"> throw new IllegalStateException(msg);</a> |
| <span class="sourceLineNo">243</span><a id="line.243"> }</a> |
| <span class="sourceLineNo">244</span><a id="line.244"></a> |
| <span class="sourceLineNo">245</span><a id="line.245"> // Calculate at what time a session would have been last accessed</a> |
| <span class="sourceLineNo">246</span><a id="line.246"> // for it to be expired at this point. In other words, subtract</a> |
| <span class="sourceLineNo">247</span><a id="line.247"> // from the current time the amount of time that a session can</a> |
| <span class="sourceLineNo">248</span><a id="line.248"> // be inactive before expiring. If the session was last accessed</a> |
| <span class="sourceLineNo">249</span><a id="line.249"> // before this time, it is expired.</a> |
| <span class="sourceLineNo">250</span><a id="line.250"> long expireTimeMillis = System.currentTimeMillis() - timeout;</a> |
| <span class="sourceLineNo">251</span><a id="line.251"> Date expireTime = new Date(expireTimeMillis);</a> |
| <span class="sourceLineNo">252</span><a id="line.252"> return lastAccessTime.before(expireTime);</a> |
| <span class="sourceLineNo">253</span><a id="line.253"> } else {</a> |
| <span class="sourceLineNo">254</span><a id="line.254"> if (log.isTraceEnabled()) {</a> |
| <span class="sourceLineNo">255</span><a id="line.255"> log.trace("No timeout for session with id [" + getId() +</a> |
| <span class="sourceLineNo">256</span><a id="line.256"> "]. Session is not considered expired.");</a> |
| <span class="sourceLineNo">257</span><a id="line.257"> }</a> |
| <span class="sourceLineNo">258</span><a id="line.258"> }</a> |
| <span class="sourceLineNo">259</span><a id="line.259"></a> |
| <span class="sourceLineNo">260</span><a id="line.260"> return false;</a> |
| <span class="sourceLineNo">261</span><a id="line.261"> }</a> |
| <span class="sourceLineNo">262</span><a id="line.262"></a> |
| <span class="sourceLineNo">263</span><a id="line.263"> public void validate() throws InvalidSessionException {</a> |
| <span class="sourceLineNo">264</span><a id="line.264"> //check for stopped:</a> |
| <span class="sourceLineNo">265</span><a id="line.265"> if (isStopped()) {</a> |
| <span class="sourceLineNo">266</span><a id="line.266"> //timestamp is set, so the session is considered stopped:</a> |
| <span class="sourceLineNo">267</span><a id="line.267"> String msg = "Session with id [" + getId() + "] has been " +</a> |
| <span class="sourceLineNo">268</span><a id="line.268"> "explicitly stopped. No further interaction under this session is " +</a> |
| <span class="sourceLineNo">269</span><a id="line.269"> "allowed.";</a> |
| <span class="sourceLineNo">270</span><a id="line.270"> throw new StoppedSessionException(msg);</a> |
| <span class="sourceLineNo">271</span><a id="line.271"> }</a> |
| <span class="sourceLineNo">272</span><a id="line.272"></a> |
| <span class="sourceLineNo">273</span><a id="line.273"> //check for expiration</a> |
| <span class="sourceLineNo">274</span><a id="line.274"> if (isTimedOut()) {</a> |
| <span class="sourceLineNo">275</span><a id="line.275"> expire();</a> |
| <span class="sourceLineNo">276</span><a id="line.276"></a> |
| <span class="sourceLineNo">277</span><a id="line.277"> //throw an exception explaining details of why it expired:</a> |
| <span class="sourceLineNo">278</span><a id="line.278"> Date lastAccessTime = getLastAccessTime();</a> |
| <span class="sourceLineNo">279</span><a id="line.279"> long timeout = getTimeout();</a> |
| <span class="sourceLineNo">280</span><a id="line.280"></a> |
| <span class="sourceLineNo">281</span><a id="line.281"> Serializable sessionId = getId();</a> |
| <span class="sourceLineNo">282</span><a id="line.282"></a> |
| <span class="sourceLineNo">283</span><a id="line.283"> DateFormat df = DateFormat.getInstance();</a> |
| <span class="sourceLineNo">284</span><a id="line.284"> String msg = "Session with id [" + sessionId + "] has expired. " +</a> |
| <span class="sourceLineNo">285</span><a id="line.285"> "Last access time: " + df.format(lastAccessTime) +</a> |
| <span class="sourceLineNo">286</span><a id="line.286"> ". Current time: " + df.format(new Date()) +</a> |
| <span class="sourceLineNo">287</span><a id="line.287"> ". Session timeout is set to " + timeout / MILLIS_PER_SECOND + " seconds (" +</a> |
| <span class="sourceLineNo">288</span><a id="line.288"> timeout / MILLIS_PER_MINUTE + " minutes)";</a> |
| <span class="sourceLineNo">289</span><a id="line.289"> if (log.isTraceEnabled()) {</a> |
| <span class="sourceLineNo">290</span><a id="line.290"> log.trace(msg);</a> |
| <span class="sourceLineNo">291</span><a id="line.291"> }</a> |
| <span class="sourceLineNo">292</span><a id="line.292"> throw new ExpiredSessionException(msg);</a> |
| <span class="sourceLineNo">293</span><a id="line.293"> }</a> |
| <span class="sourceLineNo">294</span><a id="line.294"> }</a> |
| <span class="sourceLineNo">295</span><a id="line.295"></a> |
| <span class="sourceLineNo">296</span><a id="line.296"> private Map<Object, Object> getAttributesLazy() {</a> |
| <span class="sourceLineNo">297</span><a id="line.297"> Map<Object, Object> attributes = getAttributes();</a> |
| <span class="sourceLineNo">298</span><a id="line.298"> if (attributes == null) {</a> |
| <span class="sourceLineNo">299</span><a id="line.299"> attributes = new HashMap<Object, Object>();</a> |
| <span class="sourceLineNo">300</span><a id="line.300"> setAttributes(attributes);</a> |
| <span class="sourceLineNo">301</span><a id="line.301"> }</a> |
| <span class="sourceLineNo">302</span><a id="line.302"> return attributes;</a> |
| <span class="sourceLineNo">303</span><a id="line.303"> }</a> |
| <span class="sourceLineNo">304</span><a id="line.304"></a> |
| <span class="sourceLineNo">305</span><a id="line.305"> public Collection<Object> getAttributeKeys() throws InvalidSessionException {</a> |
| <span class="sourceLineNo">306</span><a id="line.306"> Map<Object, Object> attributes = getAttributes();</a> |
| <span class="sourceLineNo">307</span><a id="line.307"> if (attributes == null) {</a> |
| <span class="sourceLineNo">308</span><a id="line.308"> return Collections.emptySet();</a> |
| <span class="sourceLineNo">309</span><a id="line.309"> }</a> |
| <span class="sourceLineNo">310</span><a id="line.310"> return attributes.keySet();</a> |
| <span class="sourceLineNo">311</span><a id="line.311"> }</a> |
| <span class="sourceLineNo">312</span><a id="line.312"></a> |
| <span class="sourceLineNo">313</span><a id="line.313"> public Object getAttribute(Object key) {</a> |
| <span class="sourceLineNo">314</span><a id="line.314"> Map<Object, Object> attributes = getAttributes();</a> |
| <span class="sourceLineNo">315</span><a id="line.315"> if (attributes == null) {</a> |
| <span class="sourceLineNo">316</span><a id="line.316"> return null;</a> |
| <span class="sourceLineNo">317</span><a id="line.317"> }</a> |
| <span class="sourceLineNo">318</span><a id="line.318"> return attributes.get(key);</a> |
| <span class="sourceLineNo">319</span><a id="line.319"> }</a> |
| <span class="sourceLineNo">320</span><a id="line.320"></a> |
| <span class="sourceLineNo">321</span><a id="line.321"> public void setAttribute(Object key, Object value) {</a> |
| <span class="sourceLineNo">322</span><a id="line.322"> if (value == null) {</a> |
| <span class="sourceLineNo">323</span><a id="line.323"> removeAttribute(key);</a> |
| <span class="sourceLineNo">324</span><a id="line.324"> } else {</a> |
| <span class="sourceLineNo">325</span><a id="line.325"> getAttributesLazy().put(key, value);</a> |
| <span class="sourceLineNo">326</span><a id="line.326"> }</a> |
| <span class="sourceLineNo">327</span><a id="line.327"> }</a> |
| <span class="sourceLineNo">328</span><a id="line.328"></a> |
| <span class="sourceLineNo">329</span><a id="line.329"> public Object removeAttribute(Object key) {</a> |
| <span class="sourceLineNo">330</span><a id="line.330"> Map<Object, Object> attributes = getAttributes();</a> |
| <span class="sourceLineNo">331</span><a id="line.331"> if (attributes == null) {</a> |
| <span class="sourceLineNo">332</span><a id="line.332"> return null;</a> |
| <span class="sourceLineNo">333</span><a id="line.333"> } else {</a> |
| <span class="sourceLineNo">334</span><a id="line.334"> return attributes.remove(key);</a> |
| <span class="sourceLineNo">335</span><a id="line.335"> }</a> |
| <span class="sourceLineNo">336</span><a id="line.336"> }</a> |
| <span class="sourceLineNo">337</span><a id="line.337"></a> |
| <span class="sourceLineNo">338</span><a id="line.338"> /**</a> |
| <span class="sourceLineNo">339</span><a id="line.339"> * Returns {@code true} if the specified argument is an {@code instanceof} {@code SimpleSession} and both</a> |
| <span class="sourceLineNo">340</span><a id="line.340"> * {@link #getId() id}s are equal. If the argument is a {@code SimpleSession} and either 'this' or the argument</a> |
| <span class="sourceLineNo">341</span><a id="line.341"> * does not yet have an ID assigned, the value of {@link #onEquals(SimpleSession) onEquals} is returned, which</a> |
| <span class="sourceLineNo">342</span><a id="line.342"> * does a necessary attribute-based comparison when IDs are not available.</a> |
| <span class="sourceLineNo">343</span><a id="line.343"> * <p/></a> |
| <span class="sourceLineNo">344</span><a id="line.344"> * Do your best to ensure {@code SimpleSession} instances receive an ID very early in their lifecycle to</a> |
| <span class="sourceLineNo">345</span><a id="line.345"> * avoid the more expensive attributes-based comparison.</a> |
| <span class="sourceLineNo">346</span><a id="line.346"> *</a> |
| <span class="sourceLineNo">347</span><a id="line.347"> * @param obj the object to compare with this one for equality.</a> |
| <span class="sourceLineNo">348</span><a id="line.348"> * @return {@code true} if this object is equivalent to the specified argument, {@code false} otherwise.</a> |
| <span class="sourceLineNo">349</span><a id="line.349"> */</a> |
| <span class="sourceLineNo">350</span><a id="line.350"> @Override</a> |
| <span class="sourceLineNo">351</span><a id="line.351"> public boolean equals(Object obj) {</a> |
| <span class="sourceLineNo">352</span><a id="line.352"> if (this == obj) {</a> |
| <span class="sourceLineNo">353</span><a id="line.353"> return true;</a> |
| <span class="sourceLineNo">354</span><a id="line.354"> }</a> |
| <span class="sourceLineNo">355</span><a id="line.355"> if (obj instanceof SimpleSession) {</a> |
| <span class="sourceLineNo">356</span><a id="line.356"> SimpleSession other = (SimpleSession) obj;</a> |
| <span class="sourceLineNo">357</span><a id="line.357"> Serializable thisId = getId();</a> |
| <span class="sourceLineNo">358</span><a id="line.358"> Serializable otherId = other.getId();</a> |
| <span class="sourceLineNo">359</span><a id="line.359"> if (thisId != null && otherId != null) {</a> |
| <span class="sourceLineNo">360</span><a id="line.360"> return thisId.equals(otherId);</a> |
| <span class="sourceLineNo">361</span><a id="line.361"> } else {</a> |
| <span class="sourceLineNo">362</span><a id="line.362"> //fall back to an attribute based comparison:</a> |
| <span class="sourceLineNo">363</span><a id="line.363"> return onEquals(other);</a> |
| <span class="sourceLineNo">364</span><a id="line.364"> }</a> |
| <span class="sourceLineNo">365</span><a id="line.365"> }</a> |
| <span class="sourceLineNo">366</span><a id="line.366"> return false;</a> |
| <span class="sourceLineNo">367</span><a id="line.367"> }</a> |
| <span class="sourceLineNo">368</span><a id="line.368"></a> |
| <span class="sourceLineNo">369</span><a id="line.369"> /**</a> |
| <span class="sourceLineNo">370</span><a id="line.370"> * Provides an attribute-based comparison (no ID comparison) - incurred <em>only</em> when 'this' or the</a> |
| <span class="sourceLineNo">371</span><a id="line.371"> * session object being compared for equality do not have a session id.</a> |
| <span class="sourceLineNo">372</span><a id="line.372"> *</a> |
| <span class="sourceLineNo">373</span><a id="line.373"> * @param ss the SimpleSession instance to compare for equality.</a> |
| <span class="sourceLineNo">374</span><a id="line.374"> * @return true if all the attributes, except the id, are equal to this object's attributes.</a> |
| <span class="sourceLineNo">375</span><a id="line.375"> * @since 1.0</a> |
| <span class="sourceLineNo">376</span><a id="line.376"> */</a> |
| <span class="sourceLineNo">377</span><a id="line.377"> protected boolean onEquals(SimpleSession ss) {</a> |
| <span class="sourceLineNo">378</span><a id="line.378"> return (getStartTimestamp() != null ? getStartTimestamp().equals(ss.getStartTimestamp()) : ss.getStartTimestamp() == null) &&</a> |
| <span class="sourceLineNo">379</span><a id="line.379"> (getStopTimestamp() != null ? getStopTimestamp().equals(ss.getStopTimestamp()) : ss.getStopTimestamp() == null) &&</a> |
| <span class="sourceLineNo">380</span><a id="line.380"> (getLastAccessTime() != null ? getLastAccessTime().equals(ss.getLastAccessTime()) : ss.getLastAccessTime() == null) &&</a> |
| <span class="sourceLineNo">381</span><a id="line.381"> (getTimeout() == ss.getTimeout()) &&</a> |
| <span class="sourceLineNo">382</span><a id="line.382"> (isExpired() == ss.isExpired()) &&</a> |
| <span class="sourceLineNo">383</span><a id="line.383"> (getHost() != null ? getHost().equals(ss.getHost()) : ss.getHost() == null) &&</a> |
| <span class="sourceLineNo">384</span><a id="line.384"> (getAttributes() != null ? getAttributes().equals(ss.getAttributes()) : ss.getAttributes() == null);</a> |
| <span class="sourceLineNo">385</span><a id="line.385"> }</a> |
| <span class="sourceLineNo">386</span><a id="line.386"></a> |
| <span class="sourceLineNo">387</span><a id="line.387"> /**</a> |
| <span class="sourceLineNo">388</span><a id="line.388"> * Returns the hashCode. If the {@link #getId() id} is not {@code null}, its hashcode is returned immediately.</a> |
| <span class="sourceLineNo">389</span><a id="line.389"> * If it is {@code null}, an attributes-based hashCode will be calculated and returned.</a> |
| <span class="sourceLineNo">390</span><a id="line.390"> * <p/></a> |
| <span class="sourceLineNo">391</span><a id="line.391"> * Do your best to ensure {@code SimpleSession} instances receive an ID very early in their lifecycle to</a> |
| <span class="sourceLineNo">392</span><a id="line.392"> * avoid the more expensive attributes-based calculation.</a> |
| <span class="sourceLineNo">393</span><a id="line.393"> *</a> |
| <span class="sourceLineNo">394</span><a id="line.394"> * @return this object's hashCode</a> |
| <span class="sourceLineNo">395</span><a id="line.395"> * @since 1.0</a> |
| <span class="sourceLineNo">396</span><a id="line.396"> */</a> |
| <span class="sourceLineNo">397</span><a id="line.397"> @Override</a> |
| <span class="sourceLineNo">398</span><a id="line.398"> public int hashCode() {</a> |
| <span class="sourceLineNo">399</span><a id="line.399"> Serializable id = getId();</a> |
| <span class="sourceLineNo">400</span><a id="line.400"> if (id != null) {</a> |
| <span class="sourceLineNo">401</span><a id="line.401"> return id.hashCode();</a> |
| <span class="sourceLineNo">402</span><a id="line.402"> }</a> |
| <span class="sourceLineNo">403</span><a id="line.403"> int hashCode = getStartTimestamp() != null ? getStartTimestamp().hashCode() : 0;</a> |
| <span class="sourceLineNo">404</span><a id="line.404"> hashCode = 31 * hashCode + (getStopTimestamp() != null ? getStopTimestamp().hashCode() : 0);</a> |
| <span class="sourceLineNo">405</span><a id="line.405"> hashCode = 31 * hashCode + (getLastAccessTime() != null ? getLastAccessTime().hashCode() : 0);</a> |
| <span class="sourceLineNo">406</span><a id="line.406"> hashCode = 31 * hashCode + Long.valueOf(Math.max(getTimeout(), 0)).hashCode();</a> |
| <span class="sourceLineNo">407</span><a id="line.407"> hashCode = 31 * hashCode + Boolean.valueOf(isExpired()).hashCode();</a> |
| <span class="sourceLineNo">408</span><a id="line.408"> hashCode = 31 * hashCode + (getHost() != null ? getHost().hashCode() : 0);</a> |
| <span class="sourceLineNo">409</span><a id="line.409"> hashCode = 31 * hashCode + (getAttributes() != null ? getAttributes().hashCode() : 0);</a> |
| <span class="sourceLineNo">410</span><a id="line.410"> return hashCode;</a> |
| <span class="sourceLineNo">411</span><a id="line.411"> }</a> |
| <span class="sourceLineNo">412</span><a id="line.412"></a> |
| <span class="sourceLineNo">413</span><a id="line.413"> /**</a> |
| <span class="sourceLineNo">414</span><a id="line.414"> * Returns the string representation of this SimpleSession, equal to</a> |
| <span class="sourceLineNo">415</span><a id="line.415"> * <code>getClass().getName() + &quot;,id=&quot; + getId()</code>.</a> |
| <span class="sourceLineNo">416</span><a id="line.416"> *</a> |
| <span class="sourceLineNo">417</span><a id="line.417"> * @return the string representation of this SimpleSession, equal to</a> |
| <span class="sourceLineNo">418</span><a id="line.418"> * <code>getClass().getName() + &quot;,id=&quot; + getId()</code>.</a> |
| <span class="sourceLineNo">419</span><a id="line.419"> * @since 1.0</a> |
| <span class="sourceLineNo">420</span><a id="line.420"> */</a> |
| <span class="sourceLineNo">421</span><a id="line.421"> @Override</a> |
| <span class="sourceLineNo">422</span><a id="line.422"> public String toString() {</a> |
| <span class="sourceLineNo">423</span><a id="line.423"> StringBuilder sb = new StringBuilder();</a> |
| <span class="sourceLineNo">424</span><a id="line.424"> sb.append(getClass().getName()).append(",id=").append(getId());</a> |
| <span class="sourceLineNo">425</span><a id="line.425"> return sb.toString();</a> |
| <span class="sourceLineNo">426</span><a id="line.426"> }</a> |
| <span class="sourceLineNo">427</span><a id="line.427"></a> |
| <span class="sourceLineNo">428</span><a id="line.428"> /**</a> |
| <span class="sourceLineNo">429</span><a id="line.429"> * Serializes this object to the specified output stream for JDK Serialization.</a> |
| <span class="sourceLineNo">430</span><a id="line.430"> *</a> |
| <span class="sourceLineNo">431</span><a id="line.431"> * @param out output stream used for Object serialization.</a> |
| <span class="sourceLineNo">432</span><a id="line.432"> * @throws IOException if any of this object's fields cannot be written to the stream.</a> |
| <span class="sourceLineNo">433</span><a id="line.433"> * @since 1.0</a> |
| <span class="sourceLineNo">434</span><a id="line.434"> */</a> |
| <span class="sourceLineNo">435</span><a id="line.435"> private void writeObject(ObjectOutputStream out) throws IOException {</a> |
| <span class="sourceLineNo">436</span><a id="line.436"> out.defaultWriteObject();</a> |
| <span class="sourceLineNo">437</span><a id="line.437"> short alteredFieldsBitMask = getAlteredFieldsBitMask();</a> |
| <span class="sourceLineNo">438</span><a id="line.438"> out.writeShort(alteredFieldsBitMask);</a> |
| <span class="sourceLineNo">439</span><a id="line.439"> if (id != null) {</a> |
| <span class="sourceLineNo">440</span><a id="line.440"> out.writeObject(id);</a> |
| <span class="sourceLineNo">441</span><a id="line.441"> }</a> |
| <span class="sourceLineNo">442</span><a id="line.442"> if (startTimestamp != null) {</a> |
| <span class="sourceLineNo">443</span><a id="line.443"> out.writeObject(startTimestamp);</a> |
| <span class="sourceLineNo">444</span><a id="line.444"> }</a> |
| <span class="sourceLineNo">445</span><a id="line.445"> if (stopTimestamp != null) {</a> |
| <span class="sourceLineNo">446</span><a id="line.446"> out.writeObject(stopTimestamp);</a> |
| <span class="sourceLineNo">447</span><a id="line.447"> }</a> |
| <span class="sourceLineNo">448</span><a id="line.448"> if (lastAccessTime != null) {</a> |
| <span class="sourceLineNo">449</span><a id="line.449"> out.writeObject(lastAccessTime);</a> |
| <span class="sourceLineNo">450</span><a id="line.450"> }</a> |
| <span class="sourceLineNo">451</span><a id="line.451"> if (timeout != 0l) {</a> |
| <span class="sourceLineNo">452</span><a id="line.452"> out.writeLong(timeout);</a> |
| <span class="sourceLineNo">453</span><a id="line.453"> }</a> |
| <span class="sourceLineNo">454</span><a id="line.454"> if (expired) {</a> |
| <span class="sourceLineNo">455</span><a id="line.455"> out.writeBoolean(expired);</a> |
| <span class="sourceLineNo">456</span><a id="line.456"> }</a> |
| <span class="sourceLineNo">457</span><a id="line.457"> if (host != null) {</a> |
| <span class="sourceLineNo">458</span><a id="line.458"> out.writeUTF(host);</a> |
| <span class="sourceLineNo">459</span><a id="line.459"> }</a> |
| <span class="sourceLineNo">460</span><a id="line.460"> if (!CollectionUtils.isEmpty(attributes)) {</a> |
| <span class="sourceLineNo">461</span><a id="line.461"> out.writeObject(attributes);</a> |
| <span class="sourceLineNo">462</span><a id="line.462"> }</a> |
| <span class="sourceLineNo">463</span><a id="line.463"> }</a> |
| <span class="sourceLineNo">464</span><a id="line.464"></a> |
| <span class="sourceLineNo">465</span><a id="line.465"> /**</a> |
| <span class="sourceLineNo">466</span><a id="line.466"> * Reconstitutes this object based on the specified InputStream for JDK Serialization.</a> |
| <span class="sourceLineNo">467</span><a id="line.467"> *</a> |
| <span class="sourceLineNo">468</span><a id="line.468"> * @param in the input stream to use for reading data to populate this object.</a> |
| <span class="sourceLineNo">469</span><a id="line.469"> * @throws IOException if the input stream cannot be used.</a> |
| <span class="sourceLineNo">470</span><a id="line.470"> * @throws ClassNotFoundException if a required class needed for instantiation is not available in the present JVM</a> |
| <span class="sourceLineNo">471</span><a id="line.471"> * @since 1.0</a> |
| <span class="sourceLineNo">472</span><a id="line.472"> */</a> |
| <span class="sourceLineNo">473</span><a id="line.473"> @SuppressWarnings({"unchecked"})</a> |
| <span class="sourceLineNo">474</span><a id="line.474"> private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {</a> |
| <span class="sourceLineNo">475</span><a id="line.475"> in.defaultReadObject();</a> |
| <span class="sourceLineNo">476</span><a id="line.476"> short bitMask = in.readShort();</a> |
| <span class="sourceLineNo">477</span><a id="line.477"></a> |
| <span class="sourceLineNo">478</span><a id="line.478"> if (isFieldPresent(bitMask, ID_BIT_MASK)) {</a> |
| <span class="sourceLineNo">479</span><a id="line.479"> this.id = (Serializable) in.readObject();</a> |
| <span class="sourceLineNo">480</span><a id="line.480"> }</a> |
| <span class="sourceLineNo">481</span><a id="line.481"> if (isFieldPresent(bitMask, START_TIMESTAMP_BIT_MASK)) {</a> |
| <span class="sourceLineNo">482</span><a id="line.482"> this.startTimestamp = (Date) in.readObject();</a> |
| <span class="sourceLineNo">483</span><a id="line.483"> }</a> |
| <span class="sourceLineNo">484</span><a id="line.484"> if (isFieldPresent(bitMask, STOP_TIMESTAMP_BIT_MASK)) {</a> |
| <span class="sourceLineNo">485</span><a id="line.485"> this.stopTimestamp = (Date) in.readObject();</a> |
| <span class="sourceLineNo">486</span><a id="line.486"> }</a> |
| <span class="sourceLineNo">487</span><a id="line.487"> if (isFieldPresent(bitMask, LAST_ACCESS_TIME_BIT_MASK)) {</a> |
| <span class="sourceLineNo">488</span><a id="line.488"> this.lastAccessTime = (Date) in.readObject();</a> |
| <span class="sourceLineNo">489</span><a id="line.489"> }</a> |
| <span class="sourceLineNo">490</span><a id="line.490"> if (isFieldPresent(bitMask, TIMEOUT_BIT_MASK)) {</a> |
| <span class="sourceLineNo">491</span><a id="line.491"> this.timeout = in.readLong();</a> |
| <span class="sourceLineNo">492</span><a id="line.492"> }</a> |
| <span class="sourceLineNo">493</span><a id="line.493"> if (isFieldPresent(bitMask, EXPIRED_BIT_MASK)) {</a> |
| <span class="sourceLineNo">494</span><a id="line.494"> this.expired = in.readBoolean();</a> |
| <span class="sourceLineNo">495</span><a id="line.495"> }</a> |
| <span class="sourceLineNo">496</span><a id="line.496"> if (isFieldPresent(bitMask, HOST_BIT_MASK)) {</a> |
| <span class="sourceLineNo">497</span><a id="line.497"> this.host = in.readUTF();</a> |
| <span class="sourceLineNo">498</span><a id="line.498"> }</a> |
| <span class="sourceLineNo">499</span><a id="line.499"> if (isFieldPresent(bitMask, ATTRIBUTES_BIT_MASK)) {</a> |
| <span class="sourceLineNo">500</span><a id="line.500"> this.attributes = (Map<Object, Object>) in.readObject();</a> |
| <span class="sourceLineNo">501</span><a id="line.501"> }</a> |
| <span class="sourceLineNo">502</span><a id="line.502"> }</a> |
| <span class="sourceLineNo">503</span><a id="line.503"></a> |
| <span class="sourceLineNo">504</span><a id="line.504"> /**</a> |
| <span class="sourceLineNo">505</span><a id="line.505"> * Returns a bit mask used during serialization indicating which fields have been serialized. Fields that have been</a> |
| <span class="sourceLineNo">506</span><a id="line.506"> * altered (not null and/or not retaining the class defaults) will be serialized and have 1 in their respective</a> |
| <span class="sourceLineNo">507</span><a id="line.507"> * index, fields that are null and/or retain class default values have 0.</a> |
| <span class="sourceLineNo">508</span><a id="line.508"> *</a> |
| <span class="sourceLineNo">509</span><a id="line.509"> * @return a bit mask used during serialization indicating which fields have been serialized.</a> |
| <span class="sourceLineNo">510</span><a id="line.510"> * @since 1.0</a> |
| <span class="sourceLineNo">511</span><a id="line.511"> */</a> |
| <span class="sourceLineNo">512</span><a id="line.512"> private short getAlteredFieldsBitMask() {</a> |
| <span class="sourceLineNo">513</span><a id="line.513"> int bitMask = 0;</a> |
| <span class="sourceLineNo">514</span><a id="line.514"> bitMask = id != null ? bitMask | ID_BIT_MASK : bitMask;</a> |
| <span class="sourceLineNo">515</span><a id="line.515"> bitMask = startTimestamp != null ? bitMask | START_TIMESTAMP_BIT_MASK : bitMask;</a> |
| <span class="sourceLineNo">516</span><a id="line.516"> bitMask = stopTimestamp != null ? bitMask | STOP_TIMESTAMP_BIT_MASK : bitMask;</a> |
| <span class="sourceLineNo">517</span><a id="line.517"> bitMask = lastAccessTime != null ? bitMask | LAST_ACCESS_TIME_BIT_MASK : bitMask;</a> |
| <span class="sourceLineNo">518</span><a id="line.518"> bitMask = timeout != 0l ? bitMask | TIMEOUT_BIT_MASK : bitMask;</a> |
| <span class="sourceLineNo">519</span><a id="line.519"> bitMask = expired ? bitMask | EXPIRED_BIT_MASK : bitMask;</a> |
| <span class="sourceLineNo">520</span><a id="line.520"> bitMask = host != null ? bitMask | HOST_BIT_MASK : bitMask;</a> |
| <span class="sourceLineNo">521</span><a id="line.521"> bitMask = !CollectionUtils.isEmpty(attributes) ? bitMask | ATTRIBUTES_BIT_MASK : bitMask;</a> |
| <span class="sourceLineNo">522</span><a id="line.522"> return (short) bitMask;</a> |
| <span class="sourceLineNo">523</span><a id="line.523"> }</a> |
| <span class="sourceLineNo">524</span><a id="line.524"></a> |
| <span class="sourceLineNo">525</span><a id="line.525"> /**</a> |
| <span class="sourceLineNo">526</span><a id="line.526"> * Returns {@code true} if the given {@code bitMask} argument indicates that the specified field has been</a> |
| <span class="sourceLineNo">527</span><a id="line.527"> * serialized and therefore should be read during deserialization, {@code false} otherwise.</a> |
| <span class="sourceLineNo">528</span><a id="line.528"> *</a> |
| <span class="sourceLineNo">529</span><a id="line.529"> * @param bitMask the aggregate bitmask for all fields that have been serialized. Individual bits represent</a> |
| <span class="sourceLineNo">530</span><a id="line.530"> * the fields that have been serialized. A bit set to 1 means that corresponding field has</a> |
| <span class="sourceLineNo">531</span><a id="line.531"> * been serialized, 0 means it hasn't been serialized.</a> |
| <span class="sourceLineNo">532</span><a id="line.532"> * @param fieldBitMask the field bit mask constant identifying which bit to inspect (corresponds to a class attribute).</a> |
| <span class="sourceLineNo">533</span><a id="line.533"> * @return {@code true} if the given {@code bitMask} argument indicates that the specified field has been</a> |
| <span class="sourceLineNo">534</span><a id="line.534"> * serialized and therefore should be read during deserialization, {@code false} otherwise.</a> |
| <span class="sourceLineNo">535</span><a id="line.535"> * @since 1.0</a> |
| <span class="sourceLineNo">536</span><a id="line.536"> */</a> |
| <span class="sourceLineNo">537</span><a id="line.537"> private static boolean isFieldPresent(short bitMask, int fieldBitMask) {</a> |
| <span class="sourceLineNo">538</span><a id="line.538"> return (bitMask & fieldBitMask) != 0;</a> |
| <span class="sourceLineNo">539</span><a id="line.539"> }</a> |
| <span class="sourceLineNo">540</span><a id="line.540"></a> |
| <span class="sourceLineNo">541</span><a id="line.541">}</a> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
