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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 or more<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache license, Version 2.0<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> *<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * See the license for the specific language governing permissions and<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * limitations under the license.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> */<a name="line.16"></a> |
| <span class="sourceLineNo">017</span>package org.apache.logging.log4j.core.config;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.util.Date;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.Queue;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.concurrent.Callable;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.concurrent.ScheduledExecutorService;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.concurrent.ScheduledFuture;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.concurrent.ScheduledThreadPoolExecutor;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.concurrent.TimeUnit;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.logging.log4j.Logger;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.logging.log4j.core.AbstractLifeCycle;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.logging.log4j.core.util.CronExpression;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.logging.log4j.core.util.Log4jThreadFactory;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.logging.log4j.status.StatusLogger;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span>/**<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>public class ConfigurationScheduler extends AbstractLifeCycle {<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> private static final Logger LOGGER = StatusLogger.getLogger();<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> private static final String SIMPLE_NAME = "Log4j2 " + ConfigurationScheduler.class.getSimpleName();<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> private static final int MAX_SCHEDULED_ITEMS = 5;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> private ScheduledExecutorService executorService;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> private int scheduledItems = 0;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> private final String name;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> public ConfigurationScheduler() {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> this(SIMPLE_NAME);<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> }<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> public ConfigurationScheduler(final String name) {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> super();<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> this.name = name;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> }<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> @Override<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> public void start() {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> super.start();<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> }<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> @Override<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> public boolean stop(final long timeout, final TimeUnit timeUnit) {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> setStopping();<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> if (isExecutorServiceSet()) {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> LOGGER.debug("{} shutting down threads in {}", name, getExecutorService());<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> executorService.shutdown();<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> try {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> executorService.awaitTermination(timeout, timeUnit);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> } catch (final InterruptedException ie) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> executorService.shutdownNow();<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> try {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> executorService.awaitTermination(timeout, timeUnit);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> } catch (final InterruptedException inner) {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> LOGGER.warn("{} stopped but some scheduled services may not have completed.", name);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> }<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> // Preserve interrupt status<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> Thread.currentThread().interrupt();<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> setStopped();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> return true;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> public boolean isExecutorServiceSet() {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> return executorService != null;<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> /**<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * Increment the number of threads in the pool.<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> */<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public void incrementScheduledItems() {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> if (isExecutorServiceSet()) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> LOGGER.error("{} attempted to increment scheduled items after start", name);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> } else {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> ++scheduledItems;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> }<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> /**<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * Decrement the number of threads in the pool<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> */<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> public void decrementScheduledItems() {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> if (!isStarted() && scheduledItems > 0) {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> --scheduledItems;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> /**<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * Creates and executes a ScheduledFuture that becomes enabled after the given delay.<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * @param <V> The result type returned by this Future<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * @param callable the function to execute.<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * @param delay the time from now to delay execution.<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * @param unit the time unit of the delay parameter.<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * @return a ScheduledFuture that can be used to extract result or cancel.<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> *<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> */<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> public <V> ScheduledFuture<V> schedule(final Callable<V> callable, final long delay, final TimeUnit unit) {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> return getExecutorService().schedule(callable, delay, unit);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> /**<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> * Creates and executes a one-shot action that becomes enabled after the given delay.<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> * @param command the task to execute.<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * @param delay the time from now to delay execution.<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * @param unit the time unit of the delay parameter.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * @return a ScheduledFuture representing pending completion of the task and whose get() method will return null<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * upon completion.<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> */<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> public ScheduledFuture<?> schedule(final Runnable command, final long delay, final TimeUnit unit) {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> return getExecutorService().schedule(command, delay, unit);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> /**<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * Creates and executes an action that first based on a cron expression.<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * @param cronExpression the cron expression describing the schedule.<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * @param command The Runnable to run,<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * @return a ScheduledFuture representing the next time the command will run.<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> */<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> public CronScheduledFuture<?> scheduleWithCron(final CronExpression cronExpression, final Runnable command) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> return scheduleWithCron(cronExpression, new Date(), command);<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> /**<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> * Creates and executes an action that first based on a cron expression.<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> * @param cronExpression the cron expression describing the schedule.<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> * @param startDate The time to use as the time to begin the cron expression. Defaults to the current date and time.<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> * @param command The Runnable to run,<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> * @return a ScheduledFuture representing the next time the command will run.<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> */<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> public CronScheduledFuture<?> scheduleWithCron(final CronExpression cronExpression, final Date startDate, final Runnable command) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> final Date fireDate = cronExpression.getNextValidTimeAfter(startDate == null ? new Date() : startDate);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> final CronRunnable runnable = new CronRunnable(command, cronExpression);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> final ScheduledFuture<?> future = schedule(runnable, nextFireInterval(fireDate), TimeUnit.MILLISECONDS);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> final CronScheduledFuture<?> cronScheduledFuture = new CronScheduledFuture<>(future, fireDate);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> runnable.setScheduledFuture(cronScheduledFuture);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> LOGGER.debug("{} scheduled cron expression {} to fire at {}", name, cronExpression.getCronExpression(), fireDate);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> return cronScheduledFuture;<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> }<a name="line.158"></a> |
| <span class="sourceLineNo">159</span><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> * Creates and executes a periodic action that becomes enabled first after the given initial delay, and subsequently<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> * with the given period; that is executions will commence after initialDelay then initialDelay+period,<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> * then initialDelay + 2 * period, and so on.<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> * @param command the task to execute.<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> * @param initialDelay the time to delay first execution.<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> * @param period the period between successive executions.<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> * @param unit the time unit of the initialDelay and period parameters.<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> * @return a ScheduledFuture representing pending completion of the task, and whose get() method will throw an<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> * exception upon cancellation<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> */<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> public ScheduledFuture<?> scheduleAtFixedRate(final Runnable command, final long initialDelay, final long period, final TimeUnit unit) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> return getExecutorService().scheduleAtFixedRate(command, initialDelay, period, unit);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> }<a name="line.174"></a> |
| <span class="sourceLineNo">175</span><a name="line.175"></a> |
| <span class="sourceLineNo">176</span> /**<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * Creates and executes a periodic action that becomes enabled first after the given initial delay, and<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * subsequently with the given delay between the termination of one execution and the commencement of the next.<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * @param command the task to execute.<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * @param initialDelay the time to delay first execution.<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> * @param delay the delay between the termination of one execution and the commencement of the next.<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> * @param unit the time unit of the initialDelay and delay parameters<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> * @return a ScheduledFuture representing pending completion of the task, and whose get() method will throw an<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> * exception upon cancellation<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> */<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> public ScheduledFuture<?> scheduleWithFixedDelay(final Runnable command, final long initialDelay, final long delay, final TimeUnit unit) {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> return getExecutorService().scheduleWithFixedDelay(command, initialDelay, delay, unit);<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 long nextFireInterval(final Date fireDate) {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> return fireDate.getTime() - new Date().getTime();<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> }<a name="line.192"></a> |
| <span class="sourceLineNo">193</span><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> private ScheduledExecutorService getExecutorService() {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> if (executorService == null) {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> if (scheduledItems > 0) {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> LOGGER.debug("{} starting {} threads", name, scheduledItems);<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> scheduledItems = Math.min(scheduledItems, MAX_SCHEDULED_ITEMS);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> final ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(scheduledItems,<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> Log4jThreadFactory.createDaemonThreadFactory("Scheduled"));<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> executor.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> executor.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> this.executorService = executor;<a name="line.203"></a> |
| <span class="sourceLineNo">204</span><a name="line.204"></a> |
| <span class="sourceLineNo">205</span> } else {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> LOGGER.debug("{}: No scheduled items", name);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> }<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> return executorService;<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> public class CronRunnable implements Runnable {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span><a name="line.213"></a> |
| <span class="sourceLineNo">214</span> private final CronExpression cronExpression;<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> private final Runnable runnable;<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> private CronScheduledFuture<?> scheduledFuture;<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> public CronRunnable(final Runnable runnable, final CronExpression cronExpression) {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> this.cronExpression = cronExpression;<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> this.runnable = runnable;<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span><a name="line.222"></a> |
| <span class="sourceLineNo">223</span> public void setScheduledFuture(final CronScheduledFuture<?> future) {<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> this.scheduledFuture = future;<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> }<a name="line.225"></a> |
| <span class="sourceLineNo">226</span><a name="line.226"></a> |
| <span class="sourceLineNo">227</span> @Override<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> public void run() {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> try {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> final long millis = scheduledFuture.getFireTime().getTime() - System.currentTimeMillis();<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> if (millis > 0) {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> LOGGER.debug("{} Cron thread woke up {} millis early. Sleeping", name, millis);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> try {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> Thread.sleep(millis);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> } catch (final InterruptedException ie) {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> // Ignore the interruption.<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> runnable.run();<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> } catch(final Throwable ex) {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> LOGGER.error("{} caught error running command", name, ex);<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> } finally {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> final Date fireDate = cronExpression.getNextValidTimeAfter(new Date());<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> final ScheduledFuture<?> future = schedule(this, nextFireInterval(fireDate), TimeUnit.MILLISECONDS);<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> LOGGER.debug("{} Cron expression {} scheduled to fire again at {}", name, cronExpression.getCronExpression(),<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> fireDate);<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> scheduledFuture.reset(future, fireDate);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> }<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> @Override<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> public String toString() {<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> return "CronRunnable{" + cronExpression.getCronExpression() + " - " + scheduledFuture.getFireTime();<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> }<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> @Override<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> public String toString() {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> final StringBuilder sb = new StringBuilder("ConfigurationScheduler [name=");<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> sb.append(name);<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> sb.append(", [");<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> if (executorService != null) {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> final Queue<Runnable> queue = ((ScheduledThreadPoolExecutor) executorService).getQueue();<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> boolean first = true;<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> for (final Runnable runnable : queue) {<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> if (!first) {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> sb.append(", ");<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> sb.append(runnable.toString());<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> first = false;<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> }<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> sb.append("]");<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> return sb.toString();<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> }<a name="line.275"></a> |
| <span class="sourceLineNo">276</span><a name="line.276"></a> |
| <span class="sourceLineNo">277</span>}<a name="line.277"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
