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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.felix.ipojo.extender.internal;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.concurrent.ThreadFactory;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.felix.ipojo.ConfigurationTracker;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.felix.ipojo.EventDispatcher;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.felix.ipojo.extender.internal.declaration.service.DeclarationServiceFactory;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.felix.ipojo.extender.internal.linker.DeclarationLinker;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.felix.ipojo.extender.internal.processor.*;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.felix.ipojo.extender.internal.queue.ExecutorQueueService;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.felix.ipojo.extender.internal.queue.GroupThreadFactory;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.felix.ipojo.extender.internal.queue.NamingThreadFactory;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.felix.ipojo.extender.internal.queue.PrefixedThreadFactory;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.felix.ipojo.extender.internal.queue.SynchronousQueueService;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.felix.ipojo.extender.internal.queue.debug.ReplayQueueEventProxy;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.felix.ipojo.extender.internal.queue.pref.HeaderPreferenceSelection;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.felix.ipojo.extender.internal.queue.pref.Preference;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.felix.ipojo.extender.internal.queue.pref.PreferenceQueueService;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.felix.ipojo.extender.internal.queue.pref.enforce.EnforcedQueueService;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.felix.ipojo.extender.queue.debug.QueueEventProxy;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.felix.ipojo.util.Logger;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.osgi.framework.*;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.osgi.util.tracker.BundleTracker;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.osgi.util.tracker.BundleTrackerCustomizer;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span>/**<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * iPOJO main activator.<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>public class Extender implements BundleActivator {<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> public static final String BOOTSTRAP_QUEUE_DEBUG_PROPERTY = "org.apache.felix.ipojo.extender.BootstrapQueueDebug";<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> /**<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * Enables the iPOJO internal dispatcher.<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * This internal dispatcher helps the OSGi framework to support large<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * scale applications. The internal dispatcher is disabled by default.<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> */<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> static boolean DISPATCHER_ENABLED = true;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> /**<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * Disables the iPOJO asynchronous processing.<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * When set to false, the bundles are processed in the listener thread<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * making iPOJO usable on Google App Engine. By default, the processing<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * is asynchronous.<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> static boolean SYNCHRONOUS_PROCESSING_ENABLED = false;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> /**<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * Property allowing to set if the internal dispatcher is enabled or disabled.<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * Possible value are either {@literal true} or {@literal false}.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> */<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private static final String ENABLING_DISPATCHER = "ipojo.internal.dispatcher";<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> * Property allowing to disable the asynchronous process (and so enables the<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * synchronous processing).<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * Possible value are either {@literal true} or {@literal false}.<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> */<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private static final String SYNCHRONOUS_PROCESSING = "ipojo.processing.synchronous";<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> * The Bundle Context of the iPOJO Core bundle.<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> */<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private static BundleContext m_context;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> /**<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * The iPOJO Extender logger.<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> */<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private Logger m_logger;<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> * The iPOJO Bundle.<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> */<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> private Bundle m_bundle;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> /**<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * The chained processor containing all the true bundle processor.<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> */<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> private ChainedBundleProcessor m_processor;<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> * Binds Instances to Factories to Extensions.<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> */<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> private DeclarationLinker m_linker;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> private LifecycleQueueService m_queueService;<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> * Track ACTIVE bundles.<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> */<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> private BundleTracker m_tracker;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> /**<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * Service provided to build declarations through code.<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> */<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> private DeclarationServiceFactory m_declarationService;<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> * The iPOJO bundle is starting.<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> * This method configures the iPOJO system (internal dispatcher and bundle processing). Then it initiates the<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> * bundle processing.<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> * <p/><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> * To optimize the processing, we process the iPOJO bundle first.<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> *<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> * @param context the iPOJO's bundle bundle context<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * @throws Exception something terrible happen during startup<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> */<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> public void start(BundleContext context) throws Exception {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> m_context = context;<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> m_bundle = context.getBundle();<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> m_logger = new Logger(m_context, "IPOJO-Main-Extender");<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> enablingDispatcher(context, m_logger);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> enablingSynchronousProcessing(context, m_logger);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> // Create the dispatcher only if required.<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> if (DISPATCHER_ENABLED) {<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> EventDispatcher.create(context);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> }<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> // Initialize ConfigurationTracker<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> ConfigurationTracker.initialize();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> // Initialize the queue event proxy if wanted<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> ReplayQueueEventProxy proxy = null;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> if (Boolean.getBoolean(BOOTSTRAP_QUEUE_DEBUG_PROPERTY)) {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> proxy = new ReplayQueueEventProxy();<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> context.registerService(QueueEventProxy.class, proxy, null);<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> BundleProcessor extensionBundleProcessor = new ExtensionBundleProcessor(m_logger);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> BundleProcessor componentsProcessor = new ComponentsBundleProcessor(m_logger);<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> BundleProcessor configurationProcessor = new ConfigurationProcessor(m_logger);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> if (SYNCHRONOUS_PROCESSING_ENABLED) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> m_queueService = new EnforcedQueueService(<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> new HeaderPreferenceSelection(),<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> new SynchronousQueueService(context),<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> Preference.SYNC,<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> m_logger);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> // If required, add the event proxy<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> if (proxy != null) {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> m_queueService.addQueueListener(proxy);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> } else {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> // Build a thread factory that will groups extender's thread together<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> ThreadFactory threadFactory = new GroupThreadFactory(new ThreadGroup("iPOJO Extender"));<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> threadFactory = new NamingThreadFactory(threadFactory);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> threadFactory = new PrefixedThreadFactory(threadFactory, "[iPOJO] ");<a name="line.167"></a> |
| <span class="sourceLineNo">168</span><a name="line.168"></a> |
| <span class="sourceLineNo">169</span> // Create the queue services<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> SynchronousQueueService sync = new SynchronousQueueService(context);<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> ExecutorQueueService async = new ExecutorQueueService(context,<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> Integer.getInteger(ExecutorQueueService.THREADPOOL_SIZE_PROPERTY,<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> 1), // default to 1 if no system property is set<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> threadFactory);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> m_queueService = new PreferenceQueueService(new HeaderPreferenceSelection(), sync, async);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span><a name="line.176"></a> |
| <span class="sourceLineNo">177</span> extensionBundleProcessor = new QueuingActivationProcessor(extensionBundleProcessor, m_queueService);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> componentsProcessor = new QueuingActivationProcessor(componentsProcessor, m_queueService);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> configurationProcessor = new QueuingActivationProcessor(configurationProcessor, m_queueService);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span><a name="line.180"></a> |
| <span class="sourceLineNo">181</span> // If required, add the event proxy to both real services<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> if (proxy != null) {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> sync.addQueueListener(proxy);<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> async.addQueueListener(proxy);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> }<a name="line.185"></a> |
| <span class="sourceLineNo">186</span><a name="line.186"></a> |
| <span class="sourceLineNo">187</span> }<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> m_queueService.start();<a name="line.188"></a> |
| <span class="sourceLineNo">189</span><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> // Start linking<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> m_linker = new DeclarationLinker(context, m_queueService);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> m_linker.start();<a name="line.192"></a> |
| <span class="sourceLineNo">193</span><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> m_processor = ChainedBundleProcessor.create(extensionBundleProcessor, componentsProcessor, configurationProcessor);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> m_processor.start();<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> // Begin by initializing core handlers<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> m_processor.activate(m_bundle);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> m_tracker = new BundleTracker(context, Bundle.ACTIVE, new BundleTrackerCustomizer() {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> public Object addingBundle(final Bundle bundle, final BundleEvent event) {<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> if (bundle.getBundleId() == m_bundle.getBundleId()) {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> // Not interested in our own bundle<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> return null;<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> m_processor.activate(bundle);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> return bundle;<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> public void modifiedBundle(final Bundle bundle, final BundleEvent event, final Object object) {}<a name="line.211"></a> |
| <span class="sourceLineNo">212</span><a name="line.212"></a> |
| <span class="sourceLineNo">213</span> public void removedBundle(final Bundle bundle, final BundleEvent event, final Object object) {<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> m_processor.deactivate(bundle);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> });<a name="line.216"></a> |
| <span class="sourceLineNo">217</span><a name="line.217"></a> |
| <span class="sourceLineNo">218</span> m_tracker.open();<a name="line.218"></a> |
| <span class="sourceLineNo">219</span><a name="line.219"></a> |
| <span class="sourceLineNo">220</span> m_declarationService = new DeclarationServiceFactory(context);<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> m_declarationService.start();<a name="line.221"></a> |
| <span class="sourceLineNo">222</span><a name="line.222"></a> |
| <span class="sourceLineNo">223</span> m_logger.log(Logger.INFO, "iPOJO Main Extender started");<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> /**<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * The iPOJO bundle is stopping.<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> *<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> * @param context the bundle context<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> * @throws Exception something terrible happen<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> */<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> public void stop(BundleContext context) throws Exception {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> m_declarationService.stop();<a name="line.234"></a> |
| <span class="sourceLineNo">235</span><a name="line.235"></a> |
| <span class="sourceLineNo">236</span> m_tracker.close();<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> m_processor.deactivate(m_bundle);<a name="line.238"></a> |
| <span class="sourceLineNo">239</span><a name="line.239"></a> |
| <span class="sourceLineNo">240</span> //Shutdown ConfigurationTracker<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> ConfigurationTracker.shutdown();<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> m_processor.stop();<a name="line.243"></a> |
| <span class="sourceLineNo">244</span><a name="line.244"></a> |
| <span class="sourceLineNo">245</span> if (DISPATCHER_ENABLED) {<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> EventDispatcher.dispose();<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> }<a name="line.247"></a> |
| <span class="sourceLineNo">248</span><a name="line.248"></a> |
| <span class="sourceLineNo">249</span> m_linker.stop();<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> m_queueService.stop();<a name="line.250"></a> |
| <span class="sourceLineNo">251</span><a name="line.251"></a> |
| <span class="sourceLineNo">252</span> m_logger.log(Logger.INFO, "iPOJO Main Extender stopped");<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> m_context = null;<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> * Gets iPOJO bundle context.<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> *<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> * @return the iPOJO Bundle Context<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> */<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> public static BundleContext getIPOJOBundleContext() {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> return m_context;<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> }<a name="line.263"></a> |
| <span class="sourceLineNo">264</span><a name="line.264"></a> |
| <span class="sourceLineNo">265</span> /**<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> * Enables or disables the internal dispatcher, so sets the<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> * {@link Extender#DISPATCHER_ENABLED} flag.<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> * This method checks if the {@link Extender#ENABLING_DISPATCHER}<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> * property is set to {@literal true}. Otherwise, the internal<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> * dispatcher is disabled. The property can be set as a system<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> * property ({@literal ipojo.internal.dispatcher}) or inside the<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> * iPOJO bundle manifest ({@literal ipojo-internal-dispatcher}).<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> *<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> * @param context the bundle context.<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> * @param logger the logger to indicates if the internal dispatcher is set.<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> */<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> private static void enablingDispatcher(BundleContext context, Logger logger) {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> // First check in the framework and in the system properties<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> String flag = context.getProperty(ENABLING_DISPATCHER);<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> // If null, look in bundle manifest<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> if (flag == null) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> String key = ENABLING_DISPATCHER.replace('.', '-');<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> flag = (String) context.getBundle().getHeaders().get(key);<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> }<a name="line.285"></a> |
| <span class="sourceLineNo">286</span><a name="line.286"></a> |
| <span class="sourceLineNo">287</span> if (flag != null) {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> if (flag.equalsIgnoreCase("true")) {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> Extender.DISPATCHER_ENABLED = true;<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> logger.log(Logger.INFO, "iPOJO Internal Event Dispatcher enables");<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> return;<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> }<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> // Either l is null, or the specified value was false<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> Extender.DISPATCHER_ENABLED = false;<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> logger.log(Logger.INFO, "iPOJO Internal Event Dispatcher disables");<a name="line.297"></a> |
| <span class="sourceLineNo">298</span><a name="line.298"></a> |
| <span class="sourceLineNo">299</span> }<a name="line.299"></a> |
| <span class="sourceLineNo">300</span><a name="line.300"></a> |
| <span class="sourceLineNo">301</span> /**<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> * Enables or disables the asynchronous processing, so sets the<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> * {@link Extender#SYNCHRONOUS_PROCESSING_ENABLED} flag.<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> * Disabling asynchronous processing avoids iPOJO to create a new<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> * thread to process bundles. So, iPOJO can be used on the<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> * Google App Engine.<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> * This method checks if the {@link Extender#SYNCHRONOUS_PROCESSING}<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> * property is set to {@literal true}. Otherwise, asynchronous processing<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> * is used (default). The property can be set as a system<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> * property ({@literal ipojo.processing.synchronous}) or inside the<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> * iPOJO bundle manifest.<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> *<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> * @param context the bundle context.<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> * @param logger the logger to indicates if the internal dispatcher is set.<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> */<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> private static void enablingSynchronousProcessing(BundleContext context, Logger logger) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> String flag = context.getProperty(SYNCHRONOUS_PROCESSING);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span><a name="line.318"></a> |
| <span class="sourceLineNo">319</span> // If null, look in bundle manifest<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> if (flag == null) {<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> String key = SYNCHRONOUS_PROCESSING.replace('.', '-');<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> flag = (String) context.getBundle().getHeaders().get(key);<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span><a name="line.324"></a> |
| <span class="sourceLineNo">325</span> if (flag != null) {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> if (flag.equalsIgnoreCase("true")) {<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> Extender.SYNCHRONOUS_PROCESSING_ENABLED = true;<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> logger.log(Logger.INFO, "iPOJO Asynchronous processing disabled");<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> return;<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> }<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> }<a name="line.331"></a> |
| <span class="sourceLineNo">332</span><a name="line.332"></a> |
| <span class="sourceLineNo">333</span> // Either l is null, or the specified value was false<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> Extender.SYNCHRONOUS_PROCESSING_ENABLED = false;<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> logger.log(Logger.INFO, "iPOJO synchronous processing disabled");<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><a name="line.338"></a> |
| <span class="sourceLineNo">339</span><a name="line.339"></a> |
| <span class="sourceLineNo">340</span>}<a name="line.340"></a> |
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| </div> |
| </body> |
| </html> |
