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<FONT color="green">001</FONT> package org.maltparser.core.feature.map;<a name="line.1"></a>
<FONT color="green">002</FONT> <a name="line.2"></a>
<FONT color="green">003</FONT> <a name="line.3"></a>
<FONT color="green">004</FONT> import org.maltparser.core.exception.MaltChainedException;<a name="line.4"></a>
<FONT color="green">005</FONT> import org.maltparser.core.feature.FeatureException;<a name="line.5"></a>
<FONT color="green">006</FONT> import org.maltparser.core.feature.function.FeatureFunction;<a name="line.6"></a>
<FONT color="green">007</FONT> import org.maltparser.core.feature.function.FeatureMapFunction;<a name="line.7"></a>
<FONT color="green">008</FONT> import org.maltparser.core.feature.value.FeatureValue;<a name="line.8"></a>
<FONT color="green">009</FONT> import org.maltparser.core.feature.value.FunctionValue;<a name="line.9"></a>
<FONT color="green">010</FONT> import org.maltparser.core.feature.value.SingleFeatureValue;<a name="line.10"></a>
<FONT color="green">011</FONT> import org.maltparser.core.symbol.SymbolTable;<a name="line.11"></a>
<FONT color="green">012</FONT> import org.maltparser.core.symbol.SymbolTableHandler;<a name="line.12"></a>
<FONT color="green">013</FONT> /**<a name="line.13"></a>
<FONT color="green">014</FONT> *<a name="line.14"></a>
<FONT color="green">015</FONT> *<a name="line.15"></a>
<FONT color="green">016</FONT> * @author Johan Hall<a name="line.16"></a>
<FONT color="green">017</FONT> */<a name="line.17"></a>
<FONT color="green">018</FONT> public class MergeFeature implements FeatureMapFunction {<a name="line.18"></a>
<FONT color="green">019</FONT> protected FeatureFunction firstFeature;<a name="line.19"></a>
<FONT color="green">020</FONT> protected FeatureFunction secondFeature;<a name="line.20"></a>
<FONT color="green">021</FONT> protected SymbolTableHandler tableHandler;<a name="line.21"></a>
<FONT color="green">022</FONT> protected SymbolTable table;<a name="line.22"></a>
<FONT color="green">023</FONT> protected SingleFeatureValue singleFeatureValue;<a name="line.23"></a>
<FONT color="green">024</FONT> <a name="line.24"></a>
<FONT color="green">025</FONT> public MergeFeature(SymbolTableHandler tableHandler) throws MaltChainedException {<a name="line.25"></a>
<FONT color="green">026</FONT> super();<a name="line.26"></a>
<FONT color="green">027</FONT> setTableHandler(tableHandler);<a name="line.27"></a>
<FONT color="green">028</FONT> singleFeatureValue = new SingleFeatureValue(this);<a name="line.28"></a>
<FONT color="green">029</FONT> }<a name="line.29"></a>
<FONT color="green">030</FONT> <a name="line.30"></a>
<FONT color="green">031</FONT> public void initialize(Object[] arguments) throws MaltChainedException {<a name="line.31"></a>
<FONT color="green">032</FONT> if (arguments.length != 2) {<a name="line.32"></a>
<FONT color="green">033</FONT> throw new FeatureException("Could not initialize MergeFeature: number of arguments are not correct. ");<a name="line.33"></a>
<FONT color="green">034</FONT> }<a name="line.34"></a>
<FONT color="green">035</FONT> if (!(arguments[0] instanceof FeatureFunction)) {<a name="line.35"></a>
<FONT color="green">036</FONT> throw new FeatureException("Could not initialize MergeFeature: the first argument is not a feature. ");<a name="line.36"></a>
<FONT color="green">037</FONT> }<a name="line.37"></a>
<FONT color="green">038</FONT> if (!(arguments[1] instanceof FeatureFunction)) {<a name="line.38"></a>
<FONT color="green">039</FONT> throw new FeatureException("Could not initialize MergeFeature: the second argument is not a feature. ");<a name="line.39"></a>
<FONT color="green">040</FONT> }<a name="line.40"></a>
<FONT color="green">041</FONT> setFirstFeature((FeatureFunction)arguments[0]);<a name="line.41"></a>
<FONT color="green">042</FONT> setSecondFeature((FeatureFunction)arguments[1]);<a name="line.42"></a>
<FONT color="green">043</FONT> setSymbolTable(tableHandler.addSymbolTable("MERGE2_"+firstFeature.getSymbolTable().getName()+"_"+secondFeature.getSymbolTable().getName(), firstFeature.getSymbolTable()));<a name="line.43"></a>
<FONT color="green">044</FONT> }<a name="line.44"></a>
<FONT color="green">045</FONT> <a name="line.45"></a>
<FONT color="green">046</FONT> public void update() throws MaltChainedException {<a name="line.46"></a>
<FONT color="green">047</FONT> // multipleFeatureValue.reset();<a name="line.47"></a>
<FONT color="green">048</FONT> singleFeatureValue.reset();<a name="line.48"></a>
<FONT color="green">049</FONT> firstFeature.update();<a name="line.49"></a>
<FONT color="green">050</FONT> secondFeature.update();<a name="line.50"></a>
<FONT color="green">051</FONT> FunctionValue firstValue = firstFeature.getFeatureValue();<a name="line.51"></a>
<FONT color="green">052</FONT> FunctionValue secondValue = secondFeature.getFeatureValue();<a name="line.52"></a>
<FONT color="green">053</FONT> if (firstValue instanceof SingleFeatureValue && secondValue instanceof SingleFeatureValue) {<a name="line.53"></a>
<FONT color="green">054</FONT> String symbol = ((SingleFeatureValue)firstValue).getSymbol();<a name="line.54"></a>
<FONT color="green">055</FONT> if (((FeatureValue)firstValue).isNullValue() && ((FeatureValue)secondValue).isNullValue()) {<a name="line.55"></a>
<FONT color="green">056</FONT> singleFeatureValue.setCode(firstFeature.getSymbolTable().getSymbolStringToCode(symbol));<a name="line.56"></a>
<FONT color="green">057</FONT> singleFeatureValue.setKnown(firstFeature.getSymbolTable().getKnown(symbol));<a name="line.57"></a>
<FONT color="green">058</FONT> singleFeatureValue.setSymbol(symbol);<a name="line.58"></a>
<FONT color="green">059</FONT> singleFeatureValue.setNullValue(true);<a name="line.59"></a>
<FONT color="green">060</FONT> // multipleFeatureValue.addFeatureValue(firstFeature.getSymbolTable().getSymbolStringToCode(symbol), symbol, true);<a name="line.60"></a>
<FONT color="green">061</FONT> // multipleFeatureValue.setNullValue(true);<a name="line.61"></a>
<FONT color="green">062</FONT> } else {<a name="line.62"></a>
<FONT color="green">063</FONT> StringBuilder mergedValue = new StringBuilder();<a name="line.63"></a>
<FONT color="green">064</FONT> mergedValue.append(((SingleFeatureValue)firstValue).getSymbol());<a name="line.64"></a>
<FONT color="green">065</FONT> mergedValue.append('~');<a name="line.65"></a>
<FONT color="green">066</FONT> mergedValue.append(((SingleFeatureValue)secondValue).getSymbol());<a name="line.66"></a>
<FONT color="green">067</FONT> <a name="line.67"></a>
<FONT color="green">068</FONT> singleFeatureValue.setCode(table.addSymbol(mergedValue.toString()));<a name="line.68"></a>
<FONT color="green">069</FONT> singleFeatureValue.setKnown(table.getKnown(mergedValue.toString()));<a name="line.69"></a>
<FONT color="green">070</FONT> singleFeatureValue.setSymbol(mergedValue.toString());<a name="line.70"></a>
<FONT color="green">071</FONT> singleFeatureValue.setNullValue(false);<a name="line.71"></a>
<FONT color="green">072</FONT> // multipleFeatureValue.addFeatureValue(table.addSymbol(mergedValue.toString()), mergedValue.toString(), table.getKnown(mergedValue.toString()));<a name="line.72"></a>
<FONT color="green">073</FONT> // multipleFeatureValue.setNullValue(false);<a name="line.73"></a>
<FONT color="green">074</FONT> }<a name="line.74"></a>
<FONT color="green">075</FONT> } else {<a name="line.75"></a>
<FONT color="green">076</FONT> throw new FeatureException("It is not possible to merge Split-features. ");<a name="line.76"></a>
<FONT color="green">077</FONT> }<a name="line.77"></a>
<FONT color="green">078</FONT> }<a name="line.78"></a>
<FONT color="green">079</FONT> <a name="line.79"></a>
<FONT color="green">080</FONT> public Class<?>[] getParameterTypes() {<a name="line.80"></a>
<FONT color="green">081</FONT> Class<?>[] paramTypes = { org.maltparser.core.feature.function.FeatureFunction.class, org.maltparser.core.feature.function.FeatureFunction.class };<a name="line.81"></a>
<FONT color="green">082</FONT> return paramTypes; <a name="line.82"></a>
<FONT color="green">083</FONT> }<a name="line.83"></a>
<FONT color="green">084</FONT> <a name="line.84"></a>
<FONT color="green">085</FONT> public FeatureValue getFeatureValue() {<a name="line.85"></a>
<FONT color="green">086</FONT> return singleFeatureValue;<a name="line.86"></a>
<FONT color="green">087</FONT> // return multipleFeatureValue;<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 String getSymbol(int code) throws MaltChainedException {<a name="line.90"></a>
<FONT color="green">091</FONT> return table.getSymbolCodeToString(code);<a name="line.91"></a>
<FONT color="green">092</FONT> }<a name="line.92"></a>
<FONT color="green">093</FONT> <a name="line.93"></a>
<FONT color="green">094</FONT> public int getCode(String symbol) throws MaltChainedException {<a name="line.94"></a>
<FONT color="green">095</FONT> return table.getSymbolStringToCode(symbol);<a name="line.95"></a>
<FONT color="green">096</FONT> }<a name="line.96"></a>
<FONT color="green">097</FONT> <a name="line.97"></a>
<FONT color="green">098</FONT> public void updateCardinality() throws MaltChainedException {<a name="line.98"></a>
<FONT color="green">099</FONT> firstFeature.updateCardinality();<a name="line.99"></a>
<FONT color="green">100</FONT> secondFeature.updateCardinality();<a name="line.100"></a>
<FONT color="green">101</FONT> singleFeatureValue.setCardinality(table.getValueCounter());<a name="line.101"></a>
<FONT color="green">102</FONT> // multipleFeatureValue.setCardinality(table.getValueCounter()); <a name="line.102"></a>
<FONT color="green">103</FONT> }<a name="line.103"></a>
<FONT color="green">104</FONT> <a name="line.104"></a>
<FONT color="green">105</FONT> public FeatureFunction getFirstFeature() {<a name="line.105"></a>
<FONT color="green">106</FONT> return firstFeature;<a name="line.106"></a>
<FONT color="green">107</FONT> }<a name="line.107"></a>
<FONT color="green">108</FONT> <a name="line.108"></a>
<FONT color="green">109</FONT> public void setFirstFeature(FeatureFunction firstFeature) {<a name="line.109"></a>
<FONT color="green">110</FONT> this.firstFeature = firstFeature;<a name="line.110"></a>
<FONT color="green">111</FONT> }<a name="line.111"></a>
<FONT color="green">112</FONT> <a name="line.112"></a>
<FONT color="green">113</FONT> public FeatureFunction getSecondFeature() {<a name="line.113"></a>
<FONT color="green">114</FONT> return secondFeature;<a name="line.114"></a>
<FONT color="green">115</FONT> }<a name="line.115"></a>
<FONT color="green">116</FONT> <a name="line.116"></a>
<FONT color="green">117</FONT> public void setSecondFeature(FeatureFunction secondFeature) {<a name="line.117"></a>
<FONT color="green">118</FONT> this.secondFeature = secondFeature;<a name="line.118"></a>
<FONT color="green">119</FONT> }<a name="line.119"></a>
<FONT color="green">120</FONT> <a name="line.120"></a>
<FONT color="green">121</FONT> public SymbolTableHandler getTableHandler() {<a name="line.121"></a>
<FONT color="green">122</FONT> return tableHandler;<a name="line.122"></a>
<FONT color="green">123</FONT> }<a name="line.123"></a>
<FONT color="green">124</FONT> <a name="line.124"></a>
<FONT color="green">125</FONT> public void setTableHandler(SymbolTableHandler tableHandler) {<a name="line.125"></a>
<FONT color="green">126</FONT> this.tableHandler = tableHandler;<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> public SymbolTable getSymbolTable() {<a name="line.129"></a>
<FONT color="green">130</FONT> return table;<a name="line.130"></a>
<FONT color="green">131</FONT> }<a name="line.131"></a>
<FONT color="green">132</FONT> <a name="line.132"></a>
<FONT color="green">133</FONT> public void setSymbolTable(SymbolTable table) {<a name="line.133"></a>
<FONT color="green">134</FONT> this.table = table;<a name="line.134"></a>
<FONT color="green">135</FONT> }<a name="line.135"></a>
<FONT color="green">136</FONT> <a name="line.136"></a>
<FONT color="green">137</FONT> public boolean equals(Object obj) {<a name="line.137"></a>
<FONT color="green">138</FONT> if (this == obj)<a name="line.138"></a>
<FONT color="green">139</FONT> return true;<a name="line.139"></a>
<FONT color="green">140</FONT> if (obj == null)<a name="line.140"></a>
<FONT color="green">141</FONT> return false;<a name="line.141"></a>
<FONT color="green">142</FONT> if (getClass() != obj.getClass())<a name="line.142"></a>
<FONT color="green">143</FONT> return false;<a name="line.143"></a>
<FONT color="green">144</FONT> return obj.toString().equals(this.toString());<a name="line.144"></a>
<FONT color="green">145</FONT> }<a name="line.145"></a>
<FONT color="green">146</FONT> <a name="line.146"></a>
<FONT color="green">147</FONT> public String toString() {<a name="line.147"></a>
<FONT color="green">148</FONT> final StringBuilder sb = new StringBuilder();<a name="line.148"></a>
<FONT color="green">149</FONT> sb.append("Merge(");<a name="line.149"></a>
<FONT color="green">150</FONT> sb.append(firstFeature.toString());<a name="line.150"></a>
<FONT color="green">151</FONT> sb.append(", ");<a name="line.151"></a>
<FONT color="green">152</FONT> sb.append(secondFeature.toString());<a name="line.152"></a>
<FONT color="green">153</FONT> sb.append(')');<a name="line.153"></a>
<FONT color="green">154</FONT> return sb.toString();<a name="line.154"></a>
<FONT color="green">155</FONT> }<a name="line.155"></a>
<FONT color="green">156</FONT> <a name="line.156"></a>
<FONT color="green">157</FONT> }<a name="line.157"></a>
</PRE>
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