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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.util;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.io.File;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.ArrayList;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.Date;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.HashMap;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Map;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.ServiceLoader;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.UUID;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.ConcurrentMap;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.ScheduledFuture;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.TimeUnit;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.logging.log4j.Logger;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.logging.log4j.core.AbstractLifeCycle;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.logging.log4j.core.config.ConfigurationFileWatcher;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.logging.log4j.core.config.ConfigurationScheduler;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.logging.log4j.status.StatusLogger;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.logging.log4j.util.LoaderUtil;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span>/**<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * Manages {@link FileWatcher}s.<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> *<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * @see FileWatcher<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * @see ConfigurationScheduler<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> */<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>public class WatchManager extends AbstractLifeCycle {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> private static Logger logger = StatusLogger.getLogger();<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private final ConcurrentMap<Source, ConfigurationMonitor> watchers = new ConcurrentHashMap<>();<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private int intervalSeconds = 0;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> private ScheduledFuture<?> future;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private final ConfigurationScheduler scheduler;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> private final List<WatchEventService> eventServiceList;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> // This just needs to be a unique key within the WatchEventManager.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private final UUID id = LocalUUID.get();<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> public WatchManager(final ConfigurationScheduler scheduler) {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> this.scheduler = scheduler;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> eventServiceList = getEventServices();<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> }<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> public UUID getId() {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> return this.id;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> }<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public boolean hasEventListeners() {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> return eventServiceList.size() > 0;<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> /**<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * Resets all file monitors to their current last modified time. If this manager does not watch any file, nothing<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * happens.<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * <p><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * This allows you to start, stop, reset and start again a manager, without triggering file modified events if the a<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * watched file has changed during the period of time when the manager was stopped.<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * </p><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> *<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * @since 2.11.0<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> */<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public void reset() {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> logger.debug("Resetting {}", this);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> for (final Source source : watchers.keySet()) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> reset(source);<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> /**<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * Resets the file monitor for the given file being watched to its current last modified time. If this manager does<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * not watch the given file, nothing happens.<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * <p><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * This allows you to start, stop, reset and start again a manager, without triggering file modified events if the<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * given watched file has changed during the period of time when the manager was stopped.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * </p><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> *<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> * @param file the file for the monitor to reset.<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * @since 2.11.0<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> */<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> public void reset(final File file) {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> if (file == null) {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> return;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> Source source = new Source(file);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> reset(source);<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> * Resets the configuration monitor for the given file being watched to its current last modified time. If this<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * manager does not watch the given configuration, nothing happens.<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * <p><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * This allows you to start, stop, reset and start again a manager, without triggering file modified events if the<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * given watched configuration has changed during the period of time when the manager was stopped.<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * </p><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> *<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * @param source the Source for the monitor to reset.<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * @since 2.12.0<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> */<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> public void reset(final Source source) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> if (source == null) {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> return;<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> final ConfigurationMonitor monitor = watchers.get(source);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> if (monitor != null) {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> Watcher watcher = monitor.getWatcher();<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> if (watcher.isModified()) {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> final long lastModifiedMillis = watcher.getLastModified();<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> if (logger.isDebugEnabled()) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> logger.debug("Resetting file monitor for '{}' from {} ({}) to {} ({})", source.getLocation(),<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> millisToString(monitor.lastModifiedMillis), monitor.lastModifiedMillis,<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> millisToString(lastModifiedMillis), lastModifiedMillis);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> monitor.setLastModifiedMillis(lastModifiedMillis);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> }<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> public void setIntervalSeconds(final int intervalSeconds) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> if (!isStarted()) {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> if (this.intervalSeconds > 0 && intervalSeconds == 0) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> scheduler.decrementScheduledItems();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> } else {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> if (this.intervalSeconds == 0 && intervalSeconds > 0) {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> scheduler.incrementScheduledItems();<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> }<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> this.intervalSeconds = intervalSeconds;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> /**<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> * Gets how often this manager checks for file modifications.<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> *<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> * @return how often, in seconds, this manager checks for file modifications.<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> */<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> public int getIntervalSeconds() {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> return this.intervalSeconds;<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> @Override<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> public void start() {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> super.start();<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> if (intervalSeconds > 0) {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> future = scheduler<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> .scheduleWithFixedDelay(new WatchRunnable(), intervalSeconds, intervalSeconds, TimeUnit.SECONDS);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> for (WatchEventService service : eventServiceList) {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> service.subscribe(this);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> @Override<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> public boolean stop(final long timeout, final TimeUnit timeUnit) {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> setStopping();<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> for (WatchEventService service : eventServiceList) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> service.unsubscribe(this);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> final boolean stopped = stop(future);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> setStopped();<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> return stopped;<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> /**<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> * Unwatches the given file.<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> *<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> * @param file the file to stop watching.<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> * @since 2.11.0<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> */<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> public void unwatchFile(final File file) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> Source source = new Source(file);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> unwatch(source);<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> /**<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> * Unwatches the given file.<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> *<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> * @param source the Source to stop watching.<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> * the file to stop watching.<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> * @since 2.12.0<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> */<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> public void unwatch(final Source source) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> logger.debug("Unwatching configuration {}", source);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> watchers.remove(source);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span><a name="line.205"></a> |
| <span class="sourceLineNo">206</span> public void checkFiles() {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> new WatchRunnable().run();<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> * Watches the given file.<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> *<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> * @param file the file to watch.<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> * @param fileWatcher the watcher to notify of file changes.<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> */<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> public void watchFile(final File file, final FileWatcher fileWatcher) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> Watcher watcher;<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> if (fileWatcher instanceof Watcher) {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> watcher = (Watcher) fileWatcher;<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> } else {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> watcher = new WrappedFileWatcher(fileWatcher);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> }<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> Source source = new Source(file);<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> watch(source, watcher);<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> /**<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> * Watches the given file.<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> *<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> * @param source the source to watch.<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> * @param watcher the watcher to notify of file changes.<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> */<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> public void watch(final Source source, final Watcher watcher) {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> watcher.watching(source);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> final long lastModified = watcher.getLastModified();<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> if (logger.isDebugEnabled()) {<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> logger.debug("Watching configuration '{}' for lastModified {} ({})", source, millisToString(lastModified),<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> lastModified);<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> }<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> watchers.put(source, new ConfigurationMonitor(lastModified, watcher));<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> /**<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> * Returns a Map of the file watchers.<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> *<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> * @return A Map of the file watchers.<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> * @deprecated use getConfigurationWatchers.<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> */<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> public Map<File, FileWatcher> getWatchers() {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> final Map<File, FileWatcher> map = new HashMap<>(watchers.size());<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> for (Map.Entry<Source, ConfigurationMonitor> entry : watchers.entrySet()) {<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> if (entry.getValue().getWatcher() instanceof ConfigurationFileWatcher) {<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> map.put(entry.getKey().getFile(), (FileWatcher) entry.getValue().getWatcher());<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> } else {<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> map.put(entry.getKey().getFile(), new WrappedFileWatcher((FileWatcher) entry.getValue().getWatcher()));<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> }<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> return map;<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span><a name="line.260"></a> |
| <span class="sourceLineNo">261</span> /**<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> * Return the ConfigurationWaatchers.<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> *<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> * @return the ConfigurationWatchers.<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> * @since 2.11.2<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> */<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> public Map<Source, Watcher> getConfigurationWatchers() {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> final Map<Source, Watcher> map = new HashMap<>(watchers.size());<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> for (final Map.Entry<Source, ConfigurationMonitor> entry : watchers.entrySet()) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> map.put(entry.getKey(), entry.getValue().getWatcher());<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> }<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> return map;<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span><a name="line.274"></a> |
| <span class="sourceLineNo">275</span> private String millisToString(final long millis) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> return new Date(millis).toString();<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> private List<WatchEventService> getEventServices() {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> List<WatchEventService> list = new ArrayList<>();<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> for (final ClassLoader classLoader : LoaderUtil.getClassLoaders()) {<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> try {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> final ServiceLoader<WatchEventService> serviceLoader = ServiceLoader<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> .load(WatchEventService.class, classLoader);<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> for (final WatchEventService service : serviceLoader) {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> list.add(service);<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> }<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> } catch (final Throwable ex) {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> LOGGER.debug("Unable to retrieve WatchEventService from ClassLoader {}", classLoader, ex);<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> }<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> return list;<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span><a name="line.294"></a> |
| <span class="sourceLineNo">295</span> private final class WatchRunnable implements Runnable {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span><a name="line.296"></a> |
| <span class="sourceLineNo">297</span> // Use a hard class reference here in case a refactoring changes the class name.<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> private final String SIMPLE_NAME = WatchRunnable.class.getSimpleName();<a name="line.298"></a> |
| <span class="sourceLineNo">299</span><a name="line.299"></a> |
| <span class="sourceLineNo">300</span> @Override<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> public void run() {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> logger.trace("{} run triggered.", SIMPLE_NAME);<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> for (final Map.Entry<Source, ConfigurationMonitor> entry : watchers.entrySet()) {<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> final Source source = entry.getKey();<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> final ConfigurationMonitor monitor = entry.getValue();<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> if (monitor.getWatcher().isModified()) {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> final long lastModified = monitor.getWatcher().getLastModified();<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> if (logger.isInfoEnabled()) {<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> logger.info("Source '{}' was modified on {} ({}), previous modification was on {} ({})", source,<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> millisToString(lastModified), lastModified, millisToString(monitor.lastModifiedMillis),<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> monitor.lastModifiedMillis);<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> }<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> monitor.lastModifiedMillis = lastModified;<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> monitor.getWatcher().modified();<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> }<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> }<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> logger.trace("{} run ended.", SIMPLE_NAME);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> }<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span><a name="line.320"></a> |
| <span class="sourceLineNo">321</span> private final class ConfigurationMonitor {<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> private final Watcher watcher;<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> private volatile long lastModifiedMillis;<a name="line.323"></a> |
| <span class="sourceLineNo">324</span><a name="line.324"></a> |
| <span class="sourceLineNo">325</span> public Watcher getWatcher() {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> return watcher;<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> }<a name="line.327"></a> |
| <span class="sourceLineNo">328</span><a name="line.328"></a> |
| <span class="sourceLineNo">329</span> public ConfigurationMonitor(final long lastModifiedMillis, final Watcher watcher) {<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> this.watcher = watcher;<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> this.lastModifiedMillis = lastModifiedMillis;<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> }<a name="line.332"></a> |
| <span class="sourceLineNo">333</span><a name="line.333"></a> |
| <span class="sourceLineNo">334</span> private void setLastModifiedMillis(final long lastModifiedMillis) {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> this.lastModifiedMillis = lastModifiedMillis;<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> @Override<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> public String toString() {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> return "ConfigurationMonitor [watcher=" + watcher + ", lastModifiedMillis=" + lastModifiedMillis + "]";<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> }<a name="line.342"></a> |
| <span class="sourceLineNo">343</span><a name="line.343"></a> |
| <span class="sourceLineNo">344</span> @Override<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> public String toString() {<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> return "WatchManager [intervalSeconds=" + intervalSeconds + ", watchers=" + watchers + ", scheduler="<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> + scheduler + ", future=" + future + "]";<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> }<a name="line.348"></a> |
| <span class="sourceLineNo">349</span><a name="line.349"></a> |
| <span class="sourceLineNo">350</span> private static class LocalUUID {<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> private static final long LOW_MASK = 0xffffffffL;<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> private static final long MID_MASK = 0xffff00000000L;<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> private static final long HIGH_MASK = 0xfff000000000000L;<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> private static final int NODE_SIZE = 8;<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> private static final int SHIFT_2 = 16;<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> private static final int SHIFT_4 = 32;<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> private static final int SHIFT_6 = 48;<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> private static final int HUNDRED_NANOS_PER_MILLI = 10000;<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> private static final long NUM_100NS_INTERVALS_SINCE_UUID_EPOCH = 0x01b21dd213814000L;<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> private static final AtomicInteger COUNT = new AtomicInteger(0);<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> private static final long TYPE1 = 0x1000L;<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> private static final byte VARIANT = (byte) 0x80;<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> private static final int SEQUENCE_MASK = 0x3FFF;<a name="line.363"></a> |
| <span class="sourceLineNo">364</span><a name="line.364"></a> |
| <span class="sourceLineNo">365</span><a name="line.365"></a> |
| <span class="sourceLineNo">366</span> public static UUID get() {<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> final long time = ((System.currentTimeMillis() * HUNDRED_NANOS_PER_MILLI) +<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> NUM_100NS_INTERVALS_SINCE_UUID_EPOCH) + (COUNT.incrementAndGet() % HUNDRED_NANOS_PER_MILLI);<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> final long timeLow = (time & LOW_MASK) << SHIFT_4;<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> final long timeMid = (time & MID_MASK) >> SHIFT_2;<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> final long timeHi = (time & HIGH_MASK) >> SHIFT_6;<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> final long most = timeLow | timeMid | TYPE1 | timeHi;<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> return new UUID(most, COUNT.incrementAndGet());<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> }<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> }<a name="line.375"></a> |
| <span class="sourceLineNo">376</span>}<a name="line.376"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
