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TIEDEMANN / uplug-main-0.3.8 / share / ext / parser / malt / docs / api / src-html / org / maltparser / parser / algorithm / covington / CovingtonOracle.html 
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<FONT color="green">001</FONT>    package org.maltparser.parser.algorithm.covington;<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.syntaxgraph.DependencyStructure;<a name="line.4"></a>
<FONT color="green">005</FONT>    import org.maltparser.core.syntaxgraph.node.DependencyNode;<a name="line.5"></a>
<FONT color="green">006</FONT>    import org.maltparser.parser.DependencyParserConfig;<a name="line.6"></a>
<FONT color="green">007</FONT>    import org.maltparser.parser.Oracle;<a name="line.7"></a>
<FONT color="green">008</FONT>    import org.maltparser.parser.ParserConfiguration;<a name="line.8"></a>
<FONT color="green">009</FONT>    import org.maltparser.parser.history.GuideUserHistory;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.maltparser.parser.history.action.GuideUserAction;<a name="line.10"></a>
<FONT color="green">011</FONT>    /**<a name="line.11"></a>
<FONT color="green">012</FONT>     * @author Johan Hall<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>    public class CovingtonOracle extends Oracle {<a name="line.15"></a>
<FONT color="green">016</FONT>            public CovingtonOracle(DependencyParserConfig manager, GuideUserHistory history) throws MaltChainedException {<a name="line.16"></a>
<FONT color="green">017</FONT>                    super(manager, history);<a name="line.17"></a>
<FONT color="green">018</FONT>                    setGuideName("NonProjective");<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>            public GuideUserAction predict(DependencyStructure gold, ParserConfiguration config) throws MaltChainedException {<a name="line.21"></a>
<FONT color="green">022</FONT>                    CovingtonConfig covingtonConfig = (CovingtonConfig)config;<a name="line.22"></a>
<FONT color="green">023</FONT>                    DependencyNode leftTarget = covingtonConfig.getLeftTarget();<a name="line.23"></a>
<FONT color="green">024</FONT>                    int leftTargetIndex = leftTarget.getIndex();<a name="line.24"></a>
<FONT color="green">025</FONT>                    int rightTargetIndex = covingtonConfig.getRightTarget().getIndex();<a name="line.25"></a>
<FONT color="green">026</FONT>                    <a name="line.26"></a>
<FONT color="green">027</FONT>                    if (!leftTarget.isRoot() &amp;&amp; gold.getTokenNode(leftTargetIndex).getHead().getIndex() == rightTargetIndex) {<a name="line.27"></a>
<FONT color="green">028</FONT>                            return updateActionContainers(NonProjective.LEFTARC, gold.getTokenNode(leftTargetIndex).getHeadEdge().getLabelSet());<a name="line.28"></a>
<FONT color="green">029</FONT>                    } else if (gold.getTokenNode(rightTargetIndex).getHead().getIndex() == leftTargetIndex) {<a name="line.29"></a>
<FONT color="green">030</FONT>                            return updateActionContainers(NonProjective.RIGHTARC, gold.getTokenNode(rightTargetIndex).getHeadEdge().getLabelSet());<a name="line.30"></a>
<FONT color="green">031</FONT>                    } else if (covingtonConfig.isAllowShift() == true &amp;&amp; (!(gold.getTokenNode(rightTargetIndex).hasLeftDependent() <a name="line.31"></a>
<FONT color="green">032</FONT>                                    &amp;&amp; gold.getTokenNode(rightTargetIndex).getLeftmostDependent().getIndex() &lt; leftTargetIndex)<a name="line.32"></a>
<FONT color="green">033</FONT>                                    &amp;&amp; !(gold.getTokenNode(rightTargetIndex).getHead().getIndex() &lt; leftTargetIndex <a name="line.33"></a>
<FONT color="green">034</FONT>                                                    &amp;&amp; (!gold.getTokenNode(rightTargetIndex).getHead().isRoot() || covingtonConfig.getLeftstop() == 0)))) {<a name="line.34"></a>
<FONT color="green">035</FONT>                            return updateActionContainers(NonProjective.SHIFT, null);<a name="line.35"></a>
<FONT color="green">036</FONT>                    } else {<a name="line.36"></a>
<FONT color="green">037</FONT>                            return updateActionContainers(NonProjective.NOARC, null);<a name="line.37"></a>
<FONT color="green">038</FONT>                    }<a name="line.38"></a>
<FONT color="green">039</FONT>            }<a name="line.39"></a>
<FONT color="green">040</FONT>            <a name="line.40"></a>
<FONT color="green">041</FONT>            public void finalizeSentence(DependencyStructure dependencyGraph) throws MaltChainedException {<a name="line.41"></a>
<FONT color="green">042</FONT>                    <a name="line.42"></a>
<FONT color="green">043</FONT>            }<a name="line.43"></a>
<FONT color="green">044</FONT>            <a name="line.44"></a>
<FONT color="green">045</FONT>            public void terminate() throws MaltChainedException {<a name="line.45"></a>
<FONT color="green">046</FONT>                    <a name="line.46"></a>
<FONT color="green">047</FONT>            }<a name="line.47"></a>
<FONT color="green">048</FONT>    }<a name="line.48"></a>




























































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