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TIEDEMANN / uplug-main-0.3.7 / share / ext / parser / malt / docs / api / src-html / org / maltparser / core / syntaxgraph / feature / InputArcDirFeature.html 
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<FONT color="green">001</FONT>    package org.maltparser.core.syntaxgraph.feature;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import org.maltparser.core.exception.MaltChainedException;<a name="line.3"></a>
<FONT color="green">004</FONT>    import org.maltparser.core.feature.FeatureException;<a name="line.4"></a>
<FONT color="green">005</FONT>    import org.maltparser.core.feature.function.AddressFunction;<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.value.AddressValue;<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.SingleFeatureValue;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.maltparser.core.io.dataformat.ColumnDescription;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.maltparser.core.io.dataformat.DataFormatInstance;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.maltparser.core.symbol.SymbolTable;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.maltparser.core.symbol.SymbolTableHandler;<a name="line.13"></a>
<FONT color="green">014</FONT>    import org.maltparser.core.symbol.nullvalue.NullValues.NullValueId;<a name="line.14"></a>
<FONT color="green">015</FONT>    import org.maltparser.core.syntaxgraph.node.DependencyNode;<a name="line.15"></a>
<FONT color="green">016</FONT>    /**<a name="line.16"></a>
<FONT color="green">017</FONT>    *<a name="line.17"></a>
<FONT color="green">018</FONT>    * @author Johan Hall<a name="line.18"></a>
<FONT color="green">019</FONT>    * @since 1.1<a name="line.19"></a>
<FONT color="green">020</FONT>    **/<a name="line.20"></a>
<FONT color="green">021</FONT>    public class InputArcDirFeature implements FeatureFunction {<a name="line.21"></a>
<FONT color="green">022</FONT>            protected ColumnDescription column;<a name="line.22"></a>
<FONT color="green">023</FONT>            protected DataFormatInstance dataFormatInstance;<a name="line.23"></a>
<FONT color="green">024</FONT>            protected SymbolTableHandler tableHandler;<a name="line.24"></a>
<FONT color="green">025</FONT>            protected SymbolTable table;<a name="line.25"></a>
<FONT color="green">026</FONT>            protected SingleFeatureValue featureValue;<a name="line.26"></a>
<FONT color="green">027</FONT>            protected AddressFunction addressFunction;<a name="line.27"></a>
<FONT color="green">028</FONT>            <a name="line.28"></a>
<FONT color="green">029</FONT>            public InputArcDirFeature(DataFormatInstance dataFormatInstance, SymbolTableHandler tableHandler) throws MaltChainedException {<a name="line.29"></a>
<FONT color="green">030</FONT>                    super();<a name="line.30"></a>
<FONT color="green">031</FONT>                    setDataFormatInstance(dataFormatInstance);<a name="line.31"></a>
<FONT color="green">032</FONT>                    setTableHandler(tableHandler);<a name="line.32"></a>
<FONT color="green">033</FONT>                    setFeatureValue(new SingleFeatureValue(this));<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>            public void initialize(Object[] arguments) throws MaltChainedException {<a name="line.36"></a>
<FONT color="green">037</FONT>                    if (arguments.length != 2) {<a name="line.37"></a>
<FONT color="green">038</FONT>                            throw new FeatureException("Could not initialize InputArcDirFeature: number of arguments are not correct. ");<a name="line.38"></a>
<FONT color="green">039</FONT>                    }<a name="line.39"></a>
<FONT color="green">040</FONT>                    if (!(arguments[0] instanceof String)) {<a name="line.40"></a>
<FONT color="green">041</FONT>                            throw new FeatureException("Could not initialize InputArcDirFeature: the first argument is not a string. ");<a name="line.41"></a>
<FONT color="green">042</FONT>                    }<a name="line.42"></a>
<FONT color="green">043</FONT>                    if (!(arguments[1] instanceof AddressFunction)) {<a name="line.43"></a>
<FONT color="green">044</FONT>                            throw new FeatureException("Could not initialize InputArcDirFeature: the second argument is not an address function. ");<a name="line.44"></a>
<FONT color="green">045</FONT>                    }<a name="line.45"></a>
<FONT color="green">046</FONT>                    setColumn(dataFormatInstance.getColumnDescriptionByName((String)arguments[0]));<a name="line.46"></a>
<FONT color="green">047</FONT>                    setSymbolTable(tableHandler.addSymbolTable("ARCDIR_"+column.getName(),ColumnDescription.INPUT, "one"));<a name="line.47"></a>
<FONT color="green">048</FONT>                    table.addSymbol("LEFT");<a name="line.48"></a>
<FONT color="green">049</FONT>                    table.addSymbol("RIGHT");<a name="line.49"></a>
<FONT color="green">050</FONT>                    table.addSymbol("ROOT");<a name="line.50"></a>
<FONT color="green">051</FONT>                    setAddressFunction((AddressFunction)arguments[1]);<a name="line.51"></a>
<FONT color="green">052</FONT>            }<a name="line.52"></a>
<FONT color="green">053</FONT>            <a name="line.53"></a>
<FONT color="green">054</FONT>            public Class&lt;?&gt;[] getParameterTypes() {<a name="line.54"></a>
<FONT color="green">055</FONT>                    Class&lt;?&gt;[] paramTypes = { java.lang.String.class, org.maltparser.core.feature.function.AddressFunction.class };<a name="line.55"></a>
<FONT color="green">056</FONT>                    return paramTypes;<a name="line.56"></a>
<FONT color="green">057</FONT>            }<a name="line.57"></a>
<FONT color="green">058</FONT>            <a name="line.58"></a>
<FONT color="green">059</FONT>            public int getCode(String symbol) throws MaltChainedException {<a name="line.59"></a>
<FONT color="green">060</FONT>                    return table.getSymbolStringToCode(symbol);<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>            public String getSymbol(int code) throws MaltChainedException {<a name="line.63"></a>
<FONT color="green">064</FONT>                    return table.getSymbolCodeToString(code);<a name="line.64"></a>
<FONT color="green">065</FONT>            }<a name="line.65"></a>
<FONT color="green">066</FONT>            <a name="line.66"></a>
<FONT color="green">067</FONT>            public FeatureValue getFeatureValue() {<a name="line.67"></a>
<FONT color="green">068</FONT>                    return featureValue;<a name="line.68"></a>
<FONT color="green">069</FONT>            }<a name="line.69"></a>
<FONT color="green">070</FONT>    <a name="line.70"></a>
<FONT color="green">071</FONT>            public void updateCardinality() throws MaltChainedException {<a name="line.71"></a>
<FONT color="green">072</FONT>                    featureValue.setCardinality(table.getValueCounter());<a name="line.72"></a>
<FONT color="green">073</FONT>            }<a name="line.73"></a>
<FONT color="green">074</FONT>    <a name="line.74"></a>
<FONT color="green">075</FONT>            public void update() throws MaltChainedException {<a name="line.75"></a>
<FONT color="green">076</FONT>                    AddressValue a = addressFunction.getAddressValue();<a name="line.76"></a>
<FONT color="green">077</FONT>                    if (a.getAddress() != null &amp;&amp; a.getAddressClass() == org.maltparser.core.syntaxgraph.node.DependencyNode.class) {<a name="line.77"></a>
<FONT color="green">078</FONT>                            DependencyNode node = (DependencyNode)a.getAddress();<a name="line.78"></a>
<FONT color="green">079</FONT>                            try {<a name="line.79"></a>
<FONT color="green">080</FONT>                                    int index = Integer.parseInt(node.getLabelSymbol(column.getSymbolTable()));<a name="line.80"></a>
<FONT color="green">081</FONT>                                    if (node.isRoot()) {<a name="line.81"></a>
<FONT color="green">082</FONT>                                            featureValue.setCode(table.getNullValueCode(NullValueId.ROOT_NODE));<a name="line.82"></a>
<FONT color="green">083</FONT>                                            featureValue.setSymbol(table.getNullValueSymbol(NullValueId.ROOT_NODE));<a name="line.83"></a>
<FONT color="green">084</FONT>                                            featureValue.setKnown(true);<a name="line.84"></a>
<FONT color="green">085</FONT>                                            featureValue.setNullValue(true);<a name="line.85"></a>
<FONT color="green">086</FONT>                                    } else if (index == 0) {<a name="line.86"></a>
<FONT color="green">087</FONT>                                            featureValue.setCode(table.getSymbolStringToCode("ROOT"));<a name="line.87"></a>
<FONT color="green">088</FONT>                                            featureValue.setSymbol("ROOT");<a name="line.88"></a>
<FONT color="green">089</FONT>                                            featureValue.setKnown(true);<a name="line.89"></a>
<FONT color="green">090</FONT>                                            featureValue.setNullValue(false);<a name="line.90"></a>
<FONT color="green">091</FONT>                                    } else if (index &lt; node.getIndex()) {<a name="line.91"></a>
<FONT color="green">092</FONT>                                            featureValue.setCode(table.getSymbolStringToCode("LEFT"));<a name="line.92"></a>
<FONT color="green">093</FONT>                                            featureValue.setSymbol("LEFT");<a name="line.93"></a>
<FONT color="green">094</FONT>                                            featureValue.setKnown(true);<a name="line.94"></a>
<FONT color="green">095</FONT>                                            featureValue.setNullValue(false);<a name="line.95"></a>
<FONT color="green">096</FONT>                                    } else if (index &gt; node.getIndex()) {<a name="line.96"></a>
<FONT color="green">097</FONT>                                            featureValue.setCode(table.getSymbolStringToCode("RIGHT"));<a name="line.97"></a>
<FONT color="green">098</FONT>                                            featureValue.setSymbol("RIGHT");<a name="line.98"></a>
<FONT color="green">099</FONT>                                            featureValue.setKnown(true);<a name="line.99"></a>
<FONT color="green">100</FONT>                                            featureValue.setNullValue(false);<a name="line.100"></a>
<FONT color="green">101</FONT>                                    }<a name="line.101"></a>
<FONT color="green">102</FONT>                            } catch (NumberFormatException e) {<a name="line.102"></a>
<FONT color="green">103</FONT>                                    throw new FeatureException("The index of the feature must be an integer value. ", e);<a name="line.103"></a>
<FONT color="green">104</FONT>                            }<a name="line.104"></a>
<FONT color="green">105</FONT>                    } else {<a name="line.105"></a>
<FONT color="green">106</FONT>                            featureValue.setCode(table.getNullValueCode(NullValueId.NO_NODE));<a name="line.106"></a>
<FONT color="green">107</FONT>                            featureValue.setSymbol(table.getNullValueSymbol(NullValueId.NO_NODE));<a name="line.107"></a>
<FONT color="green">108</FONT>                            featureValue.setKnown(true);<a name="line.108"></a>
<FONT color="green">109</FONT>                            featureValue.setNullValue(true);<a name="line.109"></a>
<FONT color="green">110</FONT>                    }<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 AddressFunction getAddressFunction() {<a name="line.113"></a>
<FONT color="green">114</FONT>                    return addressFunction;<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 setAddressFunction(AddressFunction addressFunction) {<a name="line.117"></a>
<FONT color="green">118</FONT>                    this.addressFunction = addressFunction;<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 ColumnDescription getColumn() {<a name="line.121"></a>
<FONT color="green">122</FONT>                    return column;<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 setColumn(ColumnDescription column) throws MaltChainedException {<a name="line.125"></a>
<FONT color="green">126</FONT>                    if (column.getType() != ColumnDescription.INTEGER) {<a name="line.126"></a>
<FONT color="green">127</FONT>                            throw new FeatureException("InputArc feature column must be of type integer. ");<a name="line.127"></a>
<FONT color="green">128</FONT>                    }<a name="line.128"></a>
<FONT color="green">129</FONT>                    this.column = column;<a name="line.129"></a>
<FONT color="green">130</FONT>            }<a name="line.130"></a>
<FONT color="green">131</FONT>    <a name="line.131"></a>
<FONT color="green">132</FONT>            public DataFormatInstance getDataFormatInstance() {<a name="line.132"></a>
<FONT color="green">133</FONT>                    return dataFormatInstance;<a name="line.133"></a>
<FONT color="green">134</FONT>            }<a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>            public void setDataFormatInstance(DataFormatInstance dataFormatInstance) {<a name="line.136"></a>
<FONT color="green">137</FONT>                    this.dataFormatInstance = dataFormatInstance;<a name="line.137"></a>
<FONT color="green">138</FONT>            }<a name="line.138"></a>
<FONT color="green">139</FONT>    <a name="line.139"></a>
<FONT color="green">140</FONT>            public void setFeatureValue(SingleFeatureValue featureValue) {<a name="line.140"></a>
<FONT color="green">141</FONT>                    this.featureValue = featureValue;<a name="line.141"></a>
<FONT color="green">142</FONT>            }<a name="line.142"></a>
<FONT color="green">143</FONT>            <a name="line.143"></a>
<FONT color="green">144</FONT>            public SymbolTable getSymbolTable() {<a name="line.144"></a>
<FONT color="green">145</FONT>                    return table;<a name="line.145"></a>
<FONT color="green">146</FONT>            }<a name="line.146"></a>
<FONT color="green">147</FONT>    <a name="line.147"></a>
<FONT color="green">148</FONT>            public void setSymbolTable(SymbolTable table) {<a name="line.148"></a>
<FONT color="green">149</FONT>                    this.table = table;<a name="line.149"></a>
<FONT color="green">150</FONT>            }<a name="line.150"></a>
<FONT color="green">151</FONT>            <a name="line.151"></a>
<FONT color="green">152</FONT>            public SymbolTableHandler getTableHandler() {<a name="line.152"></a>
<FONT color="green">153</FONT>                    return tableHandler;<a name="line.153"></a>
<FONT color="green">154</FONT>            }<a name="line.154"></a>
<FONT color="green">155</FONT>    <a name="line.155"></a>
<FONT color="green">156</FONT>            public void setTableHandler(SymbolTableHandler tableHandler) {<a name="line.156"></a>
<FONT color="green">157</FONT>                    this.tableHandler = tableHandler;<a name="line.157"></a>
<FONT color="green">158</FONT>            }<a name="line.158"></a>
<FONT color="green">159</FONT>            <a name="line.159"></a>
<FONT color="green">160</FONT>            public boolean equals(Object obj) {<a name="line.160"></a>
<FONT color="green">161</FONT>                    if (!(obj instanceof InputArcDirFeature)) {<a name="line.161"></a>
<FONT color="green">162</FONT>                            return false;<a name="line.162"></a>
<FONT color="green">163</FONT>                    }<a name="line.163"></a>
<FONT color="green">164</FONT>                    if (!obj.toString().equals(this.toString())) {<a name="line.164"></a>
<FONT color="green">165</FONT>                            return false;<a name="line.165"></a>
<FONT color="green">166</FONT>                    }<a name="line.166"></a>
<FONT color="green">167</FONT>                    return true;<a name="line.167"></a>
<FONT color="green">168</FONT>            }<a name="line.168"></a>
<FONT color="green">169</FONT>            <a name="line.169"></a>
<FONT color="green">170</FONT>            public String toString() {<a name="line.170"></a>
<FONT color="green">171</FONT>                    return "InputArcDir(" + column.getName() + ", " + addressFunction.toString() + ")";<a name="line.171"></a>
<FONT color="green">172</FONT>            }<a name="line.172"></a>
<FONT color="green">173</FONT>    }<a name="line.173"></a>




























































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