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| <pre><span class="sourceLineNo">001</span>/* <a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.felix.ipojo.composite.service.provides;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.lang.reflect.Field;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.ArrayList;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Comparator;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Dictionary;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Properties;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span><a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.felix.ipojo.ComponentInstance;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.felix.ipojo.ConfigurationException;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.felix.ipojo.Factory;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.felix.ipojo.HandlerFactory;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.felix.ipojo.HandlerManager;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.felix.ipojo.MissingHandlerException;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.felix.ipojo.PolicyServiceContext;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.felix.ipojo.UnacceptableConfiguration;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.felix.ipojo.architecture.ComponentTypeDescription;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.felix.ipojo.architecture.HandlerDescription;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.felix.ipojo.composite.CompositeHandler;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.felix.ipojo.composite.instance.InstanceHandler;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.felix.ipojo.composite.service.instantiator.ServiceDependencyHandler;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.felix.ipojo.composite.service.instantiator.ServiceImporter;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.felix.ipojo.composite.service.instantiator.SvcInstance;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.felix.ipojo.metadata.Element;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.felix.ipojo.parser.ManifestMetadataParser;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.felix.ipojo.parser.ParseException;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.felix.ipojo.util.DependencyMetadataHelper;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.felix.ipojo.util.DependencyModel;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.felix.ipojo.util.DependencyStateListener;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.osgi.framework.BundleContext;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.osgi.framework.Filter;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.osgi.framework.InvalidSyntaxException;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.osgi.framework.ServiceReference;<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> * Composite Provided Service Handler.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> */<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>public class ProvidedServiceHandler extends CompositeHandler implements DependencyStateListener {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> /**<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * External context.<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private BundleContext m_context;<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> * List of "available" services in the internal context.<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> */<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private List m_services = new ArrayList();<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> * List of exporters.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> */<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private List m_exporters = new ArrayList();<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> /**<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * List of managed services.<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> */<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private List m_managedServices = new ArrayList();<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> /**<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> * List of component type.<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> */<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> private List m_types;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> <a name="line.84"></a> |
| <span class="sourceLineNo">085</span> /**<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * Handler description.<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> */<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private ProvidedServiceHandlerDescription m_description;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> /**<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * Initialize the component type.<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * @param desc : component type description to populate.<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * @param metadata : component type metadata.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * @throws ConfigurationException : metadata are incorrect.<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * @see org.apache.felix.ipojo.Handler#initializeComponentFactory(org.apache.felix.ipojo.architecture.ComponentTypeDescription, org.apache.felix.ipojo.metadata.Element)<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> */<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> public void initializeComponentFactory(ComponentTypeDescription desc, Element metadata) throws ConfigurationException {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> Element[] provides = metadata.getElements("provides");<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> for (int i = 0; i < provides.length; i++) {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> String action = provides[i].getAttribute("action");<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> if (action == null) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> throw new ConfigurationException("Invalid composition service providing : no specified action");<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> } else if (action.equalsIgnoreCase("implement")) {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> String spec = provides[i].getAttribute("specification");<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> if (spec == null) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> throw new ConfigurationException("Malformed provides : the specification attribute is mandatory");<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> } else {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> desc.addProvidedServiceSpecification(spec);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> } else if (action.equalsIgnoreCase("export")) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> String spec = provides[i].getAttribute("specification");<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> if (spec == null) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> throw new ConfigurationException("Malformed exports - Missing the specification attribute");<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> } else {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> desc.addProvidedServiceSpecification(spec);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> } else {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> throw new ConfigurationException("Invalid composition service providing : unknown action " + action);<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> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> /**<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * Configure the handler.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * @param metadata : the metadata of the component<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * @param configuration : the instance configuration<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * @throws ConfigurationException : the exporter cannot be created<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * @see CompositeHandler#configure(org.apache.felix.ipojo.metadata.Element, java.util.Dictionary)<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> */<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> public void configure(Element metadata, Dictionary configuration) throws ConfigurationException {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> m_context = getCompositeManager().getContext();<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> Element[] provides = metadata.getElements("provides", "");<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> for (int i = 0; i < provides.length; i++) {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> String action = provides[i].getAttribute("action");<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> if (action.equalsIgnoreCase("implement")) {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> ProvidedService svc = new ProvidedService(this, provides[i], Integer.toString(i));<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> m_managedServices.add(svc);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> } else if (action.equalsIgnoreCase("export")) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> boolean optional = false;<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> boolean aggregate = false;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> String specification = provides[i].getAttribute("specification");<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> String filter = "(objectClass=" + specification + ")";<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> String opt = provides[i].getAttribute("optional");<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> optional = opt != null && opt.equalsIgnoreCase("true");<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> String agg = provides[i].getAttribute("aggregate");<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> aggregate = agg != null && agg.equalsIgnoreCase("true");<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> String givenFilter = provides[i].getAttribute("filter");<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (givenFilter != null) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> filter = "(&" + filter + givenFilter + ")"; //NOPMD<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> }<a name="line.155"></a> |
| <span class="sourceLineNo">156</span><a name="line.156"></a> |
| <span class="sourceLineNo">157</span> Filter fil = null;<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> try {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> fil = m_context.createFilter(filter);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> } catch (InvalidSyntaxException e) {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> throw new ConfigurationException("An exporter filter is invalid " + filter, e);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> Comparator cmp = DependencyMetadataHelper.getComparator(provides[i], m_context);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> int policy = DependencyMetadataHelper.getPolicy(provides[i]);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> Class spec = DependencyMetadataHelper.loadSpecification(specification, m_context);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span><a name="line.167"></a> |
| <span class="sourceLineNo">168</span> ServiceExporter imp = new ServiceExporter(spec, fil, aggregate, optional, cmp, policy, getCompositeManager().getServiceContext(), m_context, this, getCompositeManager());<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> m_exporters.add(imp);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> } // Others case cannot happen. The test was already made during the factory initialization.<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> }<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> <a name="line.172"></a> |
| <span class="sourceLineNo">173</span> m_description = new ProvidedServiceHandlerDescription(this, m_managedServices, m_exporters);<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> /**<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * Start method.<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * Start all managed provided service.<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * @see org.apache.felix.ipojo.composite.CompositeHandler#start()<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> */<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> public void start() {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> // Compute imports and instances<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> computeAvailableServices();<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> computeAvailableTypes();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span><a name="line.186"></a> |
| <span class="sourceLineNo">187</span> for (int i = 0; i < m_managedServices.size(); i++) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> ProvidedService svc = (ProvidedService) m_managedServices.get(i);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> try {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> checkServiceSpecification(svc);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> svc.start();<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> } catch (CompositionException e) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> error("Cannot start the provided service handler", e);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> setValidity(false);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> return;<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> for (int i = 0; i < m_exporters.size(); i++) {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> ServiceExporter exp = (ServiceExporter) m_exporters.get(i);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> exp.start();<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span><a name="line.203"></a> |
| <span class="sourceLineNo">204</span> isHandlerValid();<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span><a name="line.206"></a> |
| <span class="sourceLineNo">207</span> /**<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> * Stop method.<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> * Stop all managed provided service.<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * @see org.apache.felix.ipojo.composite.CompositeHandler#stop()<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> */<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> public void stop() {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> for (int i = 0; i < m_managedServices.size(); i++) {<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> ProvidedService svc = (ProvidedService) m_managedServices.get(i);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> svc.stop();<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> for (int i = 0; i < m_exporters.size(); i++) {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> ServiceExporter exp = (ServiceExporter) m_exporters.get(i);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> exp.stop();<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><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> /**<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> * Check the handler validity.<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> * @see org.apache.felix.ipojo.composite.CompositeHandler#isValid()<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> */<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> private void isHandlerValid() {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> for (int i = 0; i < m_exporters.size(); i++) {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> ServiceExporter exp = (ServiceExporter) m_exporters.get(i);<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> if (exp.getState() != DependencyModel.RESOLVED) {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> setValidity(false);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> return;<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> }<a name="line.235"></a> |
| <span class="sourceLineNo">236</span><a name="line.236"></a> |
| <span class="sourceLineNo">237</span> setValidity(true);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span><a name="line.239"></a> |
| <span class="sourceLineNo">240</span> /**<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> * Handler state changed.<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> * @param state : the new instance state.<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> * @see CompositeHandler#stateChanged(int)<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> */<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> public void stateChanged(int state) {<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> if (state == ComponentInstance.INVALID) {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> for (int i = 0; i < m_managedServices.size(); i++) {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> ProvidedService svc = (ProvidedService) m_managedServices.get(i);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> svc.unregister();<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> }<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> return;<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> }<a name="line.252"></a> |
| <span class="sourceLineNo">253</span><a name="line.253"></a> |
| <span class="sourceLineNo">254</span> // If the new state is VALID => register all the services<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> if (state == ComponentInstance.VALID) {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> for (int i = 0; i < m_managedServices.size(); i++) {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> ProvidedService svc = (ProvidedService) m_managedServices.get(i);<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> svc.register();<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> return;<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> }<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> * Notify the handler that an exporter becomes invalid.<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> * <a name="line.266"></a> |
| <span class="sourceLineNo">267</span> * @param exporter : the implicated exporter.<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> */<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> public void invalidate(DependencyModel exporter) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> // An export is no more valid<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> if (getValidity()) {<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> setValidity(false);<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> }<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> |
| <span class="sourceLineNo">278</span> * Notify the handler that an exporter becomes valid.<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> * <a name="line.279"></a> |
| <span class="sourceLineNo">280</span> * @param exporter : the implicated exporter.<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> */<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> public void validate(DependencyModel exporter) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> // An import becomes valid<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> if (!getValidity()) {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> isHandlerValid();<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> }<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> }<a name="line.287"></a> |
| <span class="sourceLineNo">288</span><a name="line.288"></a> |
| <span class="sourceLineNo">289</span> /**<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> * Build the list of available specification.<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> * @return the list of available specification.<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> */<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> protected List getSpecifications() {<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> return m_services;<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> }<a name="line.295"></a> |
| <span class="sourceLineNo">296</span><a name="line.296"></a> |
| <span class="sourceLineNo">297</span> /**<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> * Build the list of available specifications.<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> */<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> private void computeAvailableServices() {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> // Get instantiated services :<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> ServiceDependencyHandler handler = (ServiceDependencyHandler) getHandler(HandlerFactory.IPOJO_NAMESPACE + ":subservice");<a name="line.302"></a> |
| <span class="sourceLineNo">303</span><a name="line.303"></a> |
| <span class="sourceLineNo">304</span> for (int i = 0; handler != null && i < handler.getInstances().size(); i++) {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> SvcInstance svc = (SvcInstance) handler.getInstances().get(i);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> String itf = svc.getServiceSpecification();<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> boolean agg = svc.isAggregate();<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> boolean opt = svc.isOptional();<a name="line.308"></a> |
| <span class="sourceLineNo">309</span><a name="line.309"></a> |
| <span class="sourceLineNo">310</span> SpecificationMetadata specMeta = new SpecificationMetadata(itf, m_context, agg, opt, this);<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> m_services.add(specMeta);<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> }<a name="line.312"></a> |
| <span class="sourceLineNo">313</span><a name="line.313"></a> |
| <span class="sourceLineNo">314</span> for (int i = 0; handler != null && i < handler.getRequirements().size(); i++) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> ServiceImporter imp = (ServiceImporter) handler.getRequirements().get(i);<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> String itf = imp.getSpecification().getName();<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> boolean agg = imp.isAggregate();<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> boolean opt = imp.isOptional();<a name="line.318"></a> |
| <span class="sourceLineNo">319</span><a name="line.319"></a> |
| <span class="sourceLineNo">320</span> SpecificationMetadata specMeta = new SpecificationMetadata(itf, m_context, agg, opt, this);<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> m_services.add(specMeta);<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> }<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> /**<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> * Check composite requirement against service specification requirement is available.<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * @param svc : the provided service to check<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> * @throws CompositionException : occurs if the specification field of the service specification cannot be analyzed correctly.<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> */<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> private void checkServiceSpecification(ProvidedService svc) throws CompositionException {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> try {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> Class spec = m_context.getBundle().loadClass(svc.getSpecification());<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> Field specField = spec.getField("specification");<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> Object object = specField.get(null);<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> if (object instanceof String) {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> Element specification = ManifestMetadataParser.parse((String) object);<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> Element[] reqs = specification.getElements("requires");<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> for (int j = 0; reqs != null && j < reqs.length; j++) {<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> ServiceImporter imp = getAttachedRequirement(reqs[j]);<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> if (imp != null) {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> // Fix service-level dependency flag<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> imp.setServiceLevelDependency();<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> }<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> checkRequirement(imp, reqs[j]);<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> } else {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> error("[" + getCompositeManager().getInstanceName() + "] The specification field of the service specification " + svc.getSpecification() + " needs to be a String");<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> throw new CompositionException("Service Specification checking failed : The specification field of the service specification " + svc.getSpecification() + " needs to be a String");<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> }<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> } catch (NoSuchFieldException e) {<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> return; // No specification field<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> } catch (ClassNotFoundException e) {<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> error("[" + getCompositeManager().getInstanceName() + "] The service specification " + svc.getSpecification() + " cannot be load");<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> throw new CompositionException("The service specification " + svc.getSpecification() + " cannot be loaded", e);<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> } catch (IllegalArgumentException e) {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> error("[" + getCompositeManager().getInstanceName() + "] The field 'specification' of the service specification " + svc.getSpecification() + " is not accessible : " + e.getMessage());<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> throw new CompositionException("The field 'specification' of the service specification " + svc.getSpecification() + " is not accessible", e);<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> } catch (IllegalAccessException e) {<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> error("[" + getCompositeManager().getInstanceName() + "] The field 'specification' of the service specification " + svc.getSpecification() + " is not accessible : " + e.getMessage());<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> throw new CompositionException("The field 'specification' of the service specification " + svc.getSpecification() + " is not accessible", e);<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> } catch (ParseException e) {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> error("[" + getCompositeManager().getInstanceName() + "] The field 'specification' of the service specification " + svc.getSpecification() + " does not contain a valid String : " + e.getMessage());<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> throw new CompositionException("The field 'specification' of the service specification " + svc.getSpecification() + " does not contain a valid String", e);<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><a name="line.366"></a> |
| <span class="sourceLineNo">367</span> /**<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> * Look for the implementation (i.e. composite) requirement for the given service-level requirement metadata.<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> * @param element : the service-level requirement metadata<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> * @return the ServiceImporter object, null if not found or if the DependencyHandler is not plugged to the instance<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> */<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> private ServiceImporter getAttachedRequirement(Element element) {<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> ServiceDependencyHandler handler = (ServiceDependencyHandler) getHandler(HandlerFactory.IPOJO_NAMESPACE + ":subservice");<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> if (handler == null) { return null; }<a name="line.374"></a> |
| <span class="sourceLineNo">375</span><a name="line.375"></a> |
| <span class="sourceLineNo">376</span> String identity = element.getAttribute("id");<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> if (identity != null) {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> // Look for dependency Id<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> for (int i = 0; i < handler.getRequirements().size(); i++) {<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> ServiceImporter imp = (ServiceImporter) handler.getRequirements().get(i);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> if (imp.getId().equals(identity)) { return imp; }<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> }<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> }<a name="line.383"></a> |
| <span class="sourceLineNo">384</span><a name="line.384"></a> |
| <span class="sourceLineNo">385</span> // If not found or no id, look for a dependency with the same specification<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> String requirement = element.getAttribute("specification");<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> for (int i = 0; i < handler.getRequirements().size(); i++) {<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> ServiceImporter imp = (ServiceImporter) handler.getRequirements().get(i);<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> if (imp.getId().equals(requirement) || imp.getSpecification().getName().equals(requirement)) { return imp; }<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> }<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> return null;<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> }<a name="line.392"></a> |
| <span class="sourceLineNo">393</span><a name="line.393"></a> |
| <span class="sourceLineNo">394</span> /**<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> * Check the correctness of the composite requirement against the service level dependency.<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> * @param imp : requirement to check<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> * @param elem : service-level dependency metadata<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> * @throws CompositionException : occurs if the requirement does not match with service-level specification requirement<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> */<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> private void checkRequirement(ServiceImporter imp, Element elem) throws CompositionException {<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> String optional = elem.getAttribute("optional");<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> boolean opt = optional != null && optional.equalsIgnoreCase("true");<a name="line.402"></a> |
| <span class="sourceLineNo">403</span><a name="line.403"></a> |
| <span class="sourceLineNo">404</span> String aggregate = elem.getAttribute("aggregate");<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> boolean agg = aggregate != null && aggregate.equalsIgnoreCase("true");<a name="line.405"></a> |
| <span class="sourceLineNo">406</span><a name="line.406"></a> |
| <span class="sourceLineNo">407</span> if (imp == null) {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> // Add the missing requirement<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> ServiceDependencyHandler handler = (ServiceDependencyHandler) getHandler(HandlerFactory.IPOJO_NAMESPACE + ":subservice");<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> if (handler == null) {<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> // Look for the ServiceDependencyHandler factory<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> HandlerManager handlerManager = null;<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> try {<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> ServiceReference[] refs = m_context.getServiceReferences(Factory.class.getName(), "(&(handler.name=subservice)(handler.namespace=" + HandlerFactory.IPOJO_NAMESPACE + ")(handler.type=composite))");<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> Factory factory = (Factory) m_context.getService(refs[0]);<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> handlerManager = (HandlerManager) factory.createComponentInstance(null, getCompositeManager().getServiceContext());<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> } catch (InvalidSyntaxException e) {<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> // Should not happen<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> } catch (UnacceptableConfiguration e) {<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> // Should not happen<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> } catch (MissingHandlerException e) {<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> // Should not happen<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> } catch (ConfigurationException e) {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> // Should not happen<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> }<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> <a name="line.426"></a> |
| <span class="sourceLineNo">427</span> // Add the required handler <a name="line.427"></a> |
| <span class="sourceLineNo">428</span> try {<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> handlerManager.init(getCompositeManager(), new Element("composite", ""), new Properties());<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> } catch (ConfigurationException e) {<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> error("Internal error : cannot configure the Import Handler : " + e.getMessage());<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> throw new CompositionException("Internal error : cannot configure the Import Handler", e);<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> }<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> handler = (ServiceDependencyHandler) handlerManager.getHandler();<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> getCompositeManager().addCompositeHandler(handlerManager);<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<a name="line.436"></a> |
| <span class="sourceLineNo">437</span><a name="line.437"></a> |
| <span class="sourceLineNo">438</span> String spec = elem.getAttribute("specification");<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> String filter = "(&(objectClass=" + spec + ")(!(instance.name=" + getCompositeManager().getInstanceName() + ")))"; // Cannot import yourself<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> String givenFilter = elem.getAttribute("filter");<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> if (givenFilter != null) {<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> filter = "(&" + filter + givenFilter + ")"; //NOPMD<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> }<a name="line.443"></a> |
| <span class="sourceLineNo">444</span><a name="line.444"></a> |
| <span class="sourceLineNo">445</span> BundleContext context = new PolicyServiceContext(getCompositeManager().getGlobalContext(), getCompositeManager().getParentServiceContext(), PolicyServiceContext.GLOBAL);<a name="line.445"></a> |
| <span class="sourceLineNo">446</span><a name="line.446"></a> |
| <span class="sourceLineNo">447</span> Filter fil = null;<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> try {<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> fil = getCompositeManager().getGlobalContext().createFilter(filter);<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> } catch (InvalidSyntaxException e) {<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> throw new CompositionException("A required filter " + filter + " is malformed", e);<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> }<a name="line.452"></a> |
| <span class="sourceLineNo">453</span><a name="line.453"></a> |
| <span class="sourceLineNo">454</span> Class specToImport = null;<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> try {<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> specToImport = getCompositeManager().getGlobalContext().getBundle().loadClass(spec);<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> } catch (ClassNotFoundException e) {<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> throw new CompositionException("A required specification cannot be loaded : " + spec, e);<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> }<a name="line.459"></a> |
| <span class="sourceLineNo">460</span><a name="line.460"></a> |
| <span class="sourceLineNo">461</span> ServiceImporter importer = new ServiceImporter(specToImport, fil, agg, opt, null, DependencyModel.DYNAMIC_BINDING_POLICY, context, null, handler);<a name="line.461"></a> |
| <span class="sourceLineNo">462</span><a name="line.462"></a> |
| <span class="sourceLineNo">463</span> handler.getRequirements().add(importer);<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> SpecificationMetadata specMeta = new SpecificationMetadata(spec, m_context, agg, opt, this);<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> m_services.add(specMeta); // Update the available types<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> return;<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> }<a name="line.467"></a> |
| <span class="sourceLineNo">468</span><a name="line.468"></a> |
| <span class="sourceLineNo">469</span> if (imp.isAggregate() && !agg) {<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> error("[" + getCompositeManager().getInstanceName() + "] The requirement " + elem.getAttribute("specification") + " is aggregate in the implementation and is declared as a simple service-level requirement");<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> throw new CompositionException("The requirement " + elem.getAttribute("specification") + " is aggregate in the implementation and is declared as a simple service-level requirement");<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> }<a name="line.472"></a> |
| <span class="sourceLineNo">473</span><a name="line.473"></a> |
| <span class="sourceLineNo">474</span> String filter = elem.getAttribute("filter");<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> if (filter != null) {<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> String filter2 = imp.getFilter();<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> if (filter2 == null || !filter2.equalsIgnoreCase(filter)) {<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> error("[" + getCompositeManager().getInstanceName() + "] The specification requirement " + elem.getAttribute("specification") + " as not the same filter as declared in the service-level requirement");<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> throw new CompositionException("The specification requirement " + elem.getAttribute("specification") + " as not the same filter as declared in the service-level requirement");<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> }<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> }<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> }<a name="line.482"></a> |
| <span class="sourceLineNo">483</span><a name="line.483"></a> |
| <span class="sourceLineNo">484</span> public HandlerDescription getDescription() {<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> return m_description;<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> }<a name="line.486"></a> |
| <span class="sourceLineNo">487</span><a name="line.487"></a> |
| <span class="sourceLineNo">488</span> /**<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> * Build available instance types.<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> */<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> private void computeAvailableTypes() {<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> InstanceHandler handler = (InstanceHandler) getHandler(HandlerFactory.IPOJO_NAMESPACE + ":instance");<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> if (handler == null) {<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> m_types = new ArrayList();<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> } else {<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> m_types = handler.getUsedType();<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> }<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> }<a name="line.498"></a> |
| <span class="sourceLineNo">499</span><a name="line.499"></a> |
| <span class="sourceLineNo">500</span> public List getInstanceType() {<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> return m_types;<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> }<a name="line.502"></a> |
| <span class="sourceLineNo">503</span><a name="line.503"></a> |
| <span class="sourceLineNo">504</span>}<a name="line.504"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
