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<FONT color="green">001</FONT> package org.maltparser.parser.guide.instance;<a name="line.1"></a>
<FONT color="green">002</FONT> <a name="line.2"></a>
<FONT color="green">003</FONT> import java.io.IOException;<a name="line.3"></a>
<FONT color="green">004</FONT> import java.lang.reflect.Constructor;<a name="line.4"></a>
<FONT color="green">005</FONT> import java.lang.reflect.InvocationTargetException;<a name="line.5"></a>
<FONT color="green">006</FONT> import java.util.ArrayList;<a name="line.6"></a>
<FONT color="green">007</FONT> import java.util.Formatter;<a name="line.7"></a>
<FONT color="green">008</FONT> <a name="line.8"></a>
<FONT color="green">009</FONT> import org.maltparser.core.exception.MaltChainedException;<a name="line.9"></a>
<FONT color="green">010</FONT> import org.maltparser.core.feature.FeatureVector;<a name="line.10"></a>
<FONT color="green">011</FONT> import org.maltparser.core.feature.function.FeatureFunction;<a name="line.11"></a>
<FONT color="green">012</FONT> import org.maltparser.core.feature.function.Modifiable;<a name="line.12"></a>
<FONT color="green">013</FONT> import org.maltparser.core.syntaxgraph.DependencyStructure;<a name="line.13"></a>
<FONT color="green">014</FONT> import org.maltparser.ml.LearningMethod;<a name="line.14"></a>
<FONT color="green">015</FONT> import org.maltparser.parser.guide.ClassifierGuide;<a name="line.15"></a>
<FONT color="green">016</FONT> import org.maltparser.parser.guide.GuideException;<a name="line.16"></a>
<FONT color="green">017</FONT> import org.maltparser.parser.guide.Model;<a name="line.17"></a>
<FONT color="green">018</FONT> import org.maltparser.parser.history.action.SingleDecision;<a name="line.18"></a>
<FONT color="green">019</FONT> <a name="line.19"></a>
<FONT color="green">020</FONT> <a name="line.20"></a>
<FONT color="green">021</FONT> /**<a name="line.21"></a>
<FONT color="green">022</FONT> <a name="line.22"></a>
<FONT color="green">023</FONT> @author Johan Hall<a name="line.23"></a>
<FONT color="green">024</FONT> @since 1.0<a name="line.24"></a>
<FONT color="green">025</FONT> */<a name="line.25"></a>
<FONT color="green">026</FONT> public class AtomicModel implements InstanceModel {<a name="line.26"></a>
<FONT color="green">027</FONT> private Model parent;<a name="line.27"></a>
<FONT color="green">028</FONT> private String modelName;<a name="line.28"></a>
<FONT color="green">029</FONT> private FeatureVector featureVector;<a name="line.29"></a>
<FONT color="green">030</FONT> private int index;<a name="line.30"></a>
<FONT color="green">031</FONT> private int frequency = 0;<a name="line.31"></a>
<FONT color="green">032</FONT> private LearningMethod method;<a name="line.32"></a>
<FONT color="green">033</FONT> <a name="line.33"></a>
<FONT color="green">034</FONT> <a name="line.34"></a>
<FONT color="green">035</FONT> /**<a name="line.35"></a>
<FONT color="green">036</FONT> * Constructs an atomic model.<a name="line.36"></a>
<FONT color="green">037</FONT> * <a name="line.37"></a>
<FONT color="green">038</FONT> * @param index the index of the atomic model (-1..n), where -1 is special value (used by a single model <a name="line.38"></a>
<FONT color="green">039</FONT> * or the master divide model) and n is number of divide models.<a name="line.39"></a>
<FONT color="green">040</FONT> * @param features the feature vector used by the atomic model.<a name="line.40"></a>
<FONT color="green">041</FONT> * @param parent the parent guide model.<a name="line.41"></a>
<FONT color="green">042</FONT> * @throws MaltChainedException<a name="line.42"></a>
<FONT color="green">043</FONT> */<a name="line.43"></a>
<FONT color="green">044</FONT> public AtomicModel(int index, FeatureVector features, Model parent) throws MaltChainedException {<a name="line.44"></a>
<FONT color="green">045</FONT> setParent(parent);<a name="line.45"></a>
<FONT color="green">046</FONT> setIndex(index);<a name="line.46"></a>
<FONT color="green">047</FONT> if (index == -1) {<a name="line.47"></a>
<FONT color="green">048</FONT> setModelName(parent.getModelName()+".");<a name="line.48"></a>
<FONT color="green">049</FONT> } else {<a name="line.49"></a>
<FONT color="green">050</FONT> setModelName(parent.getModelName()+"."+new Formatter().format("%03d", index)+".");<a name="line.50"></a>
<FONT color="green">051</FONT> }<a name="line.51"></a>
<FONT color="green">052</FONT> setFeatures(features);<a name="line.52"></a>
<FONT color="green">053</FONT> setFrequency(0);<a name="line.53"></a>
<FONT color="green">054</FONT> initMethod();<a name="line.54"></a>
<FONT color="green">055</FONT> if (getGuide().getGuideMode() == ClassifierGuide.GuideMode.BATCH && index == -1 && getGuide().getConfiguration().getConfigurationDir().getInfoFileWriter() != null) {<a name="line.55"></a>
<FONT color="green">056</FONT> try {<a name="line.56"></a>
<FONT color="green">057</FONT> getGuide().getConfiguration().getConfigurationDir().getInfoFileWriter().write(method.toString());<a name="line.57"></a>
<FONT color="green">058</FONT> getGuide().getConfiguration().getConfigurationDir().getInfoFileWriter().flush();<a name="line.58"></a>
<FONT color="green">059</FONT> } catch (IOException e) {<a name="line.59"></a>
<FONT color="green">060</FONT> throw new GuideException("Could not write learner settings to the information file. ", e);<a name="line.60"></a>
<FONT color="green">061</FONT> }<a name="line.61"></a>
<FONT color="green">062</FONT> }<a name="line.62"></a>
<FONT color="green">063</FONT> }<a name="line.63"></a>
<FONT color="green">064</FONT> <a name="line.64"></a>
<FONT color="green">065</FONT> public void addInstance(SingleDecision decision) throws MaltChainedException {<a name="line.65"></a>
<FONT color="green">066</FONT> try {<a name="line.66"></a>
<FONT color="green">067</FONT> method.addInstance(decision, featureVector);<a name="line.67"></a>
<FONT color="green">068</FONT> } catch (NullPointerException e) {<a name="line.68"></a>
<FONT color="green">069</FONT> throw new GuideException("The learner cannot be found. ", e);<a name="line.69"></a>
<FONT color="green">070</FONT> }<a name="line.70"></a>
<FONT color="green">071</FONT> }<a name="line.71"></a>
<FONT color="green">072</FONT> <a name="line.72"></a>
<FONT color="green">073</FONT> <a name="line.73"></a>
<FONT color="green">074</FONT> public void noMoreInstances() throws MaltChainedException {<a name="line.74"></a>
<FONT color="green">075</FONT> try {<a name="line.75"></a>
<FONT color="green">076</FONT> method.noMoreInstances();<a name="line.76"></a>
<FONT color="green">077</FONT> } catch (NullPointerException e) {<a name="line.77"></a>
<FONT color="green">078</FONT> throw new GuideException("The learner cannot be found. ", e);<a name="line.78"></a>
<FONT color="green">079</FONT> }<a name="line.79"></a>
<FONT color="green">080</FONT> }<a name="line.80"></a>
<FONT color="green">081</FONT> <a name="line.81"></a>
<FONT color="green">082</FONT> public void finalizeSentence(DependencyStructure dependencyGraph) throws MaltChainedException {<a name="line.82"></a>
<FONT color="green">083</FONT> try {<a name="line.83"></a>
<FONT color="green">084</FONT> method.finalizeSentence(dependencyGraph);<a name="line.84"></a>
<FONT color="green">085</FONT> } catch (NullPointerException e) {<a name="line.85"></a>
<FONT color="green">086</FONT> throw new GuideException("The learner cannot be found. ", e);<a name="line.86"></a>
<FONT color="green">087</FONT> }<a name="line.87"></a>
<FONT color="green">088</FONT> }<a name="line.88"></a>
<FONT color="green">089</FONT> <a name="line.89"></a>
<FONT color="green">090</FONT> public boolean predict(SingleDecision decision) throws MaltChainedException {<a name="line.90"></a>
<FONT color="green">091</FONT> try {<a name="line.91"></a>
<FONT color="green">092</FONT> if (getGuide().getGuideMode() == ClassifierGuide.GuideMode.BATCH) {<a name="line.92"></a>
<FONT color="green">093</FONT> throw new GuideException("Cannot predict during batch training. ");<a name="line.93"></a>
<FONT color="green">094</FONT> }<a name="line.94"></a>
<FONT color="green">095</FONT> return method.predict(featureVector, decision);<a name="line.95"></a>
<FONT color="green">096</FONT> } catch (NullPointerException e) {<a name="line.96"></a>
<FONT color="green">097</FONT> throw new GuideException("The learner cannot be found. ", e);<a name="line.97"></a>
<FONT color="green">098</FONT> }<a name="line.98"></a>
<FONT color="green">099</FONT> }<a name="line.99"></a>
<FONT color="green">100</FONT> <a name="line.100"></a>
<FONT color="green">101</FONT> public FeatureVector predictExtract(SingleDecision decision) throws MaltChainedException {<a name="line.101"></a>
<FONT color="green">102</FONT> try {<a name="line.102"></a>
<FONT color="green">103</FONT> if (getGuide().getGuideMode() == ClassifierGuide.GuideMode.BATCH) {<a name="line.103"></a>
<FONT color="green">104</FONT> throw new GuideException("Cannot predict during batch training. ");<a name="line.104"></a>
<FONT color="green">105</FONT> }<a name="line.105"></a>
<FONT color="green">106</FONT> if (method.predict(featureVector, decision)) {<a name="line.106"></a>
<FONT color="green">107</FONT> return featureVector;<a name="line.107"></a>
<FONT color="green">108</FONT> }<a name="line.108"></a>
<FONT color="green">109</FONT> return null;<a name="line.109"></a>
<FONT color="green">110</FONT> } catch (NullPointerException e) {<a name="line.110"></a>
<FONT color="green">111</FONT> throw new GuideException("The learner cannot be found. ", e);<a name="line.111"></a>
<FONT color="green">112</FONT> }<a name="line.112"></a>
<FONT color="green">113</FONT> }<a name="line.113"></a>
<FONT color="green">114</FONT> <a name="line.114"></a>
<FONT color="green">115</FONT> public FeatureVector extract() throws MaltChainedException {<a name="line.115"></a>
<FONT color="green">116</FONT> return featureVector;<a name="line.116"></a>
<FONT color="green">117</FONT> }<a name="line.117"></a>
<FONT color="green">118</FONT> <a name="line.118"></a>
<FONT color="green">119</FONT> public void terminate() throws MaltChainedException {<a name="line.119"></a>
<FONT color="green">120</FONT> if (method != null) {<a name="line.120"></a>
<FONT color="green">121</FONT> method.terminate();<a name="line.121"></a>
<FONT color="green">122</FONT> method = null;<a name="line.122"></a>
<FONT color="green">123</FONT> }<a name="line.123"></a>
<FONT color="green">124</FONT> featureVector = null;<a name="line.124"></a>
<FONT color="green">125</FONT> parent = null;<a name="line.125"></a>
<FONT color="green">126</FONT> }<a name="line.126"></a>
<FONT color="green">127</FONT> <a name="line.127"></a>
<FONT color="green">128</FONT> /**<a name="line.128"></a>
<FONT color="green">129</FONT> * Moves all instance from this atomic model into the destination atomic model and add the divide feature.<a name="line.129"></a>
<FONT color="green">130</FONT> * This method is used by the feature divide model to sum up all model below a certain threshold.<a name="line.130"></a>
<FONT color="green">131</FONT> * <a name="line.131"></a>
<FONT color="green">132</FONT> * @param model the destination atomic model <a name="line.132"></a>
<FONT color="green">133</FONT> * @param divideFeature the divide feature<a name="line.133"></a>
<FONT color="green">134</FONT> * @param divideFeatureIndexVector the divide feature index vector<a name="line.134"></a>
<FONT color="green">135</FONT> * @throws MaltChainedException<a name="line.135"></a>
<FONT color="green">136</FONT> */<a name="line.136"></a>
<FONT color="green">137</FONT> public void moveAllInstances(AtomicModel model, FeatureFunction divideFeature, ArrayList<Integer> divideFeatureIndexVector) throws MaltChainedException {<a name="line.137"></a>
<FONT color="green">138</FONT> if (method == null) {<a name="line.138"></a>
<FONT color="green">139</FONT> throw new GuideException("The learner cannot be found. ");<a name="line.139"></a>
<FONT color="green">140</FONT> } else if (model == null) {<a name="line.140"></a>
<FONT color="green">141</FONT> throw new GuideException("The guide model cannot be found. ");<a name="line.141"></a>
<FONT color="green">142</FONT> } else if (divideFeature == null) {<a name="line.142"></a>
<FONT color="green">143</FONT> throw new GuideException("The divide feature cannot be found. ");<a name="line.143"></a>
<FONT color="green">144</FONT> } else if (divideFeatureIndexVector == null) {<a name="line.144"></a>
<FONT color="green">145</FONT> throw new GuideException("The divide feature index vector cannot be found. ");<a name="line.145"></a>
<FONT color="green">146</FONT> }<a name="line.146"></a>
<FONT color="green">147</FONT> ((Modifiable)divideFeature).setFeatureValue(index);<a name="line.147"></a>
<FONT color="green">148</FONT> method.moveAllInstances(model.getMethod(), divideFeature, divideFeatureIndexVector);<a name="line.148"></a>
<FONT color="green">149</FONT> method.terminate();<a name="line.149"></a>
<FONT color="green">150</FONT> method = null;<a name="line.150"></a>
<FONT color="green">151</FONT> }<a name="line.151"></a>
<FONT color="green">152</FONT> <a name="line.152"></a>
<FONT color="green">153</FONT> /**<a name="line.153"></a>
<FONT color="green">154</FONT> * Invokes the train() of the learning method <a name="line.154"></a>
<FONT color="green">155</FONT> * <a name="line.155"></a>
<FONT color="green">156</FONT> * @throws MaltChainedException<a name="line.156"></a>
<FONT color="green">157</FONT> */<a name="line.157"></a>
<FONT color="green">158</FONT> public void train() throws MaltChainedException {<a name="line.158"></a>
<FONT color="green">159</FONT> try {<a name="line.159"></a>
<FONT color="green">160</FONT> method.train(featureVector);<a name="line.160"></a>
<FONT color="green">161</FONT> method.terminate();<a name="line.161"></a>
<FONT color="green">162</FONT> method = null;<a name="line.162"></a>
<FONT color="green">163</FONT> } catch (NullPointerException e) { <a name="line.163"></a>
<FONT color="green">164</FONT> throw new GuideException("The learner cannot be found. ", e);<a name="line.164"></a>
<FONT color="green">165</FONT> }<a name="line.165"></a>
<FONT color="green">166</FONT> }<a name="line.166"></a>
<FONT color="green">167</FONT> <a name="line.167"></a>
<FONT color="green">168</FONT> /**<a name="line.168"></a>
<FONT color="green">169</FONT> * Initialize the learning method according to the option --learner-method.<a name="line.169"></a>
<FONT color="green">170</FONT> * <a name="line.170"></a>
<FONT color="green">171</FONT> * @throws MaltChainedException<a name="line.171"></a>
<FONT color="green">172</FONT> */<a name="line.172"></a>
<FONT color="green">173</FONT> public void initMethod() throws MaltChainedException {<a name="line.173"></a>
<FONT color="green">174</FONT> Class<?> clazz = (Class<?>)getGuide().getConfiguration().getOptionValue("guide", "learner");<a name="line.174"></a>
<FONT color="green">175</FONT> // if (clazz == org.maltparser.ml.libsvm.Libsvm.class && (Boolean)getGuide().getConfiguration().getOptionValue("malt0.4", "behavior") == true) {<a name="line.175"></a>
<FONT color="green">176</FONT> // try {<a name="line.176"></a>
<FONT color="green">177</FONT> // clazz = Class.forName("org.maltparser.ml.libsvm.malt04.LibsvmMalt04");<a name="line.177"></a>
<FONT color="green">178</FONT> // } catch (ClassNotFoundException e) {<a name="line.178"></a>
<FONT color="green">179</FONT> // throw new GuideException("Could not find the class 'org.maltparser.ml.libsvm.malt04.LibsvmMalt04'. ", e);<a name="line.179"></a>
<FONT color="green">180</FONT> // }<a name="line.180"></a>
<FONT color="green">181</FONT> // }<a name="line.181"></a>
<FONT color="green">182</FONT> Class<?>[] argTypes = { org.maltparser.parser.guide.instance.InstanceModel.class, java.lang.Integer.class };<a name="line.182"></a>
<FONT color="green">183</FONT> Object[] arguments = new Object[2];<a name="line.183"></a>
<FONT color="green">184</FONT> arguments[0] = this;<a name="line.184"></a>
<FONT color="green">185</FONT> if (getGuide().getGuideMode() == ClassifierGuide.GuideMode.CLASSIFY) {<a name="line.185"></a>
<FONT color="green">186</FONT> arguments[1] = LearningMethod.CLASSIFY;<a name="line.186"></a>
<FONT color="green">187</FONT> } else if (getGuide().getGuideMode() == ClassifierGuide.GuideMode.BATCH) {<a name="line.187"></a>
<FONT color="green">188</FONT> arguments[1] = LearningMethod.BATCH;<a name="line.188"></a>
<FONT color="green">189</FONT> } <a name="line.189"></a>
<FONT color="green">190</FONT> <a name="line.190"></a>
<FONT color="green">191</FONT> try { <a name="line.191"></a>
<FONT color="green">192</FONT> Constructor<?> constructor = clazz.getConstructor(argTypes);<a name="line.192"></a>
<FONT color="green">193</FONT> this.method = (LearningMethod)constructor.newInstance(arguments);<a name="line.193"></a>
<FONT color="green">194</FONT> } catch (NoSuchMethodException e) {<a name="line.194"></a>
<FONT color="green">195</FONT> throw new GuideException("The learner class '"+clazz.getName()+"' cannot be initialized. ", e);<a name="line.195"></a>
<FONT color="green">196</FONT> } catch (InstantiationException e) {<a name="line.196"></a>
<FONT color="green">197</FONT> throw new GuideException("The learner class '"+clazz.getName()+"' cannot be initialized. ", e);<a name="line.197"></a>
<FONT color="green">198</FONT> } catch (IllegalAccessException e) {<a name="line.198"></a>
<FONT color="green">199</FONT> throw new GuideException("The learner class '"+clazz.getName()+"' cannot be initialized. ", e);<a name="line.199"></a>
<FONT color="green">200</FONT> } catch (InvocationTargetException e) {<a name="line.200"></a>
<FONT color="green">201</FONT> throw new GuideException("The learner class '"+clazz.getName()+"' cannot be initialized. ", e);<a name="line.201"></a>
<FONT color="green">202</FONT> }<a name="line.202"></a>
<FONT color="green">203</FONT> }<a name="line.203"></a>
<FONT color="green">204</FONT> <a name="line.204"></a>
<FONT color="green">205</FONT> <a name="line.205"></a>
<FONT color="green">206</FONT> <a name="line.206"></a>
<FONT color="green">207</FONT> /**<a name="line.207"></a>
<FONT color="green">208</FONT> * Returns the parent guide model<a name="line.208"></a>
<FONT color="green">209</FONT> * <a name="line.209"></a>
<FONT color="green">210</FONT> * @return the parent guide model<a name="line.210"></a>
<FONT color="green">211</FONT> */<a name="line.211"></a>
<FONT color="green">212</FONT> public Model getParent() throws MaltChainedException {<a name="line.212"></a>
<FONT color="green">213</FONT> if (parent == null) {<a name="line.213"></a>
<FONT color="green">214</FONT> throw new GuideException("The atomic model can only be used by a parent model. ");<a name="line.214"></a>
<FONT color="green">215</FONT> }<a name="line.215"></a>
<FONT color="green">216</FONT> return parent;<a name="line.216"></a>
<FONT color="green">217</FONT> }<a name="line.217"></a>
<FONT color="green">218</FONT> <a name="line.218"></a>
<FONT color="green">219</FONT> /**<a name="line.219"></a>
<FONT color="green">220</FONT> * Sets the parent guide model<a name="line.220"></a>
<FONT color="green">221</FONT> * <a name="line.221"></a>
<FONT color="green">222</FONT> * @param parent the parent guide model<a name="line.222"></a>
<FONT color="green">223</FONT> */<a name="line.223"></a>
<FONT color="green">224</FONT> protected void setParent(Model parent) {<a name="line.224"></a>
<FONT color="green">225</FONT> this.parent = parent;<a name="line.225"></a>
<FONT color="green">226</FONT> }<a name="line.226"></a>
<FONT color="green">227</FONT> <a name="line.227"></a>
<FONT color="green">228</FONT> public String getModelName() {<a name="line.228"></a>
<FONT color="green">229</FONT> return modelName;<a name="line.229"></a>
<FONT color="green">230</FONT> }<a name="line.230"></a>
<FONT color="green">231</FONT> <a name="line.231"></a>
<FONT color="green">232</FONT> /**<a name="line.232"></a>
<FONT color="green">233</FONT> * Sets the name of the atomic model<a name="line.233"></a>
<FONT color="green">234</FONT> * <a name="line.234"></a>
<FONT color="green">235</FONT> * @param modelName the name of the atomic model<a name="line.235"></a>
<FONT color="green">236</FONT> */<a name="line.236"></a>
<FONT color="green">237</FONT> protected void setModelName(String modelName) {<a name="line.237"></a>
<FONT color="green">238</FONT> this.modelName = modelName;<a name="line.238"></a>
<FONT color="green">239</FONT> }<a name="line.239"></a>
<FONT color="green">240</FONT> <a name="line.240"></a>
<FONT color="green">241</FONT> /**<a name="line.241"></a>
<FONT color="green">242</FONT> * Returns the feature vector used by this atomic model<a name="line.242"></a>
<FONT color="green">243</FONT> * <a name="line.243"></a>
<FONT color="green">244</FONT> * @return a feature vector object<a name="line.244"></a>
<FONT color="green">245</FONT> */<a name="line.245"></a>
<FONT color="green">246</FONT> public FeatureVector getFeatures() {<a name="line.246"></a>
<FONT color="green">247</FONT> return featureVector;<a name="line.247"></a>
<FONT color="green">248</FONT> }<a name="line.248"></a>
<FONT color="green">249</FONT> <a name="line.249"></a>
<FONT color="green">250</FONT> /**<a name="line.250"></a>
<FONT color="green">251</FONT> * Sets the feature vector used by the atomic model.<a name="line.251"></a>
<FONT color="green">252</FONT> * <a name="line.252"></a>
<FONT color="green">253</FONT> * @param features a feature vector object<a name="line.253"></a>
<FONT color="green">254</FONT> */<a name="line.254"></a>
<FONT color="green">255</FONT> protected void setFeatures(FeatureVector features) {<a name="line.255"></a>
<FONT color="green">256</FONT> this.featureVector = features;<a name="line.256"></a>
<FONT color="green">257</FONT> }<a name="line.257"></a>
<FONT color="green">258</FONT> <a name="line.258"></a>
<FONT color="green">259</FONT> public ClassifierGuide getGuide() {<a name="line.259"></a>
<FONT color="green">260</FONT> return parent.getGuide();<a name="line.260"></a>
<FONT color="green">261</FONT> }<a name="line.261"></a>
<FONT color="green">262</FONT> <a name="line.262"></a>
<FONT color="green">263</FONT> /**<a name="line.263"></a>
<FONT color="green">264</FONT> * Returns the index of the atomic model<a name="line.264"></a>
<FONT color="green">265</FONT> * <a name="line.265"></a>
<FONT color="green">266</FONT> * @return the index of the atomic model<a name="line.266"></a>
<FONT color="green">267</FONT> */<a name="line.267"></a>
<FONT color="green">268</FONT> public int getIndex() {<a name="line.268"></a>
<FONT color="green">269</FONT> return index;<a name="line.269"></a>
<FONT color="green">270</FONT> }<a name="line.270"></a>
<FONT color="green">271</FONT> <a name="line.271"></a>
<FONT color="green">272</FONT> /**<a name="line.272"></a>
<FONT color="green">273</FONT> * Sets the index of the model (-1..n), where -1 is a special value.<a name="line.273"></a>
<FONT color="green">274</FONT> * <a name="line.274"></a>
<FONT color="green">275</FONT> * @param index index value (-1..n) of the atomic model<a name="line.275"></a>
<FONT color="green">276</FONT> */<a name="line.276"></a>
<FONT color="green">277</FONT> protected void setIndex(int index) {<a name="line.277"></a>
<FONT color="green">278</FONT> this.index = index;<a name="line.278"></a>
<FONT color="green">279</FONT> }<a name="line.279"></a>
<FONT color="green">280</FONT> <a name="line.280"></a>
<FONT color="green">281</FONT> /**<a name="line.281"></a>
<FONT color="green">282</FONT> * Returns the frequency (number of instances)<a name="line.282"></a>
<FONT color="green">283</FONT> * <a name="line.283"></a>
<FONT color="green">284</FONT> * @return the frequency (number of instances)<a name="line.284"></a>
<FONT color="green">285</FONT> */<a name="line.285"></a>
<FONT color="green">286</FONT> public int getFrequency() {<a name="line.286"></a>
<FONT color="green">287</FONT> return frequency;<a name="line.287"></a>
<FONT color="green">288</FONT> }<a name="line.288"></a>
<FONT color="green">289</FONT> <a name="line.289"></a>
<FONT color="green">290</FONT> /**<a name="line.290"></a>
<FONT color="green">291</FONT> * Increase the frequency by 1<a name="line.291"></a>
<FONT color="green">292</FONT> */<a name="line.292"></a>
<FONT color="green">293</FONT> public void increaseFrequency() {<a name="line.293"></a>
<FONT color="green">294</FONT> if (parent instanceof InstanceModel) {<a name="line.294"></a>
<FONT color="green">295</FONT> ((InstanceModel)parent).increaseFrequency();<a name="line.295"></a>
<FONT color="green">296</FONT> }<a name="line.296"></a>
<FONT color="green">297</FONT> frequency++;<a name="line.297"></a>
<FONT color="green">298</FONT> }<a name="line.298"></a>
<FONT color="green">299</FONT> <a name="line.299"></a>
<FONT color="green">300</FONT> public void decreaseFrequency() {<a name="line.300"></a>
<FONT color="green">301</FONT> if (parent instanceof InstanceModel) {<a name="line.301"></a>
<FONT color="green">302</FONT> ((InstanceModel)parent).decreaseFrequency();<a name="line.302"></a>
<FONT color="green">303</FONT> }<a name="line.303"></a>
<FONT color="green">304</FONT> frequency--;<a name="line.304"></a>
<FONT color="green">305</FONT> }<a name="line.305"></a>
<FONT color="green">306</FONT> /**<a name="line.306"></a>
<FONT color="green">307</FONT> * Sets the frequency (number of instances)<a name="line.307"></a>
<FONT color="green">308</FONT> * <a name="line.308"></a>
<FONT color="green">309</FONT> * @param frequency (number of instances)<a name="line.309"></a>
<FONT color="green">310</FONT> */<a name="line.310"></a>
<FONT color="green">311</FONT> protected void setFrequency(int frequency) {<a name="line.311"></a>
<FONT color="green">312</FONT> this.frequency = frequency;<a name="line.312"></a>
<FONT color="green">313</FONT> }<a name="line.313"></a>
<FONT color="green">314</FONT> <a name="line.314"></a>
<FONT color="green">315</FONT> /**<a name="line.315"></a>
<FONT color="green">316</FONT> * Returns a learner object<a name="line.316"></a>
<FONT color="green">317</FONT> * <a name="line.317"></a>
<FONT color="green">318</FONT> * @return a learner object<a name="line.318"></a>
<FONT color="green">319</FONT> */<a name="line.319"></a>
<FONT color="green">320</FONT> public LearningMethod getMethod() {<a name="line.320"></a>
<FONT color="green">321</FONT> return method;<a name="line.321"></a>
<FONT color="green">322</FONT> }<a name="line.322"></a>
<FONT color="green">323</FONT> <a name="line.323"></a>
<FONT color="green">324</FONT> <a name="line.324"></a>
<FONT color="green">325</FONT> /* (non-Javadoc)<a name="line.325"></a>
<FONT color="green">326</FONT> * @see java.lang.Object#toString()<a name="line.326"></a>
<FONT color="green">327</FONT> */<a name="line.327"></a>
<FONT color="green">328</FONT> public String toString() {<a name="line.328"></a>
<FONT color="green">329</FONT> final StringBuilder sb = new StringBuilder();<a name="line.329"></a>
<FONT color="green">330</FONT> sb.append(method.toString());<a name="line.330"></a>
<FONT color="green">331</FONT> return sb.toString();<a name="line.331"></a>
<FONT color="green">332</FONT> }<a name="line.332"></a>
<FONT color="green">333</FONT> }<a name="line.333"></a>
</PRE>
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