The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
TIEDEMANN / uplug-main-0.3.7 / share / ext / parser / malt / docs / api / src-html / org / maltparser / parser / algorithm / nivre / ArcEagerOracle.html 
<HTML>
<BODY BGCOLOR="white">
<PRE>
<FONT color="green">001</FONT>    package org.maltparser.parser.algorithm.nivre;<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 ArcEagerOracle extends Oracle {<a name="line.15"></a>
<FONT color="green">016</FONT>    <a name="line.16"></a>
<FONT color="green">017</FONT>            public ArcEagerOracle(DependencyParserConfig manager, GuideUserHistory history) throws MaltChainedException {<a name="line.17"></a>
<FONT color="green">018</FONT>                    super(manager, history);<a name="line.18"></a>
<FONT color="green">019</FONT>                    setGuideName("ArcEager");<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>            public GuideUserAction predict(DependencyStructure gold, ParserConfiguration config) throws MaltChainedException {<a name="line.22"></a>
<FONT color="green">023</FONT>                    NivreConfig nivreConfig = (NivreConfig)config;<a name="line.23"></a>
<FONT color="green">024</FONT>                    DependencyNode stackPeek = nivreConfig.getStack().peek();<a name="line.24"></a>
<FONT color="green">025</FONT>                    int stackPeekIndex = stackPeek.getIndex();<a name="line.25"></a>
<FONT color="green">026</FONT>                    int inputPeekIndex = nivreConfig.getInput().peek().getIndex();<a name="line.26"></a>
<FONT color="green">027</FONT>                    <a name="line.27"></a>
<FONT color="green">028</FONT>                    if (!stackPeek.isRoot() &amp;&amp; gold.getTokenNode(stackPeekIndex).getHead().getIndex() == inputPeekIndex) {<a name="line.28"></a>
<FONT color="green">029</FONT>                            return updateActionContainers(ArcEager.LEFTARC, gold.getTokenNode(stackPeekIndex).getHeadEdge().getLabelSet());<a name="line.29"></a>
<FONT color="green">030</FONT>                    } else if (gold.getTokenNode(inputPeekIndex).getHead().getIndex() == stackPeekIndex) {<a name="line.30"></a>
<FONT color="green">031</FONT>                            return updateActionContainers(ArcEager.RIGHTARC, gold.getTokenNode(inputPeekIndex).getHeadEdge().getLabelSet());<a name="line.31"></a>
<FONT color="green">032</FONT>                    } else if (nivreConfig.getRootHandling() == NivreConfig.STRICT &amp;&amp; !stackPeek.hasHead()) {<a name="line.32"></a>
<FONT color="green">033</FONT>                            return updateActionContainers(ArcEager.SHIFT, null);<a name="line.33"></a>
<FONT color="green">034</FONT>                    } else if (gold.getTokenNode(inputPeekIndex).hasLeftDependent() &amp;&amp;<a name="line.34"></a>
<FONT color="green">035</FONT>                                    gold.getTokenNode(inputPeekIndex).getLeftmostDependent().getIndex() &lt; stackPeekIndex) {<a name="line.35"></a>
<FONT color="green">036</FONT>                            return updateActionContainers(ArcEager.REDUCE, null);<a name="line.36"></a>
<FONT color="green">037</FONT>                    } else if (gold.getTokenNode(inputPeekIndex).getHead().getIndex() &lt; stackPeekIndex &amp;&amp; <a name="line.37"></a>
<FONT color="green">038</FONT>                                    (!gold.getTokenNode(inputPeekIndex).getHead().isRoot() || nivreConfig.getRootHandling() == NivreConfig.NORMAL)) {<a name="line.38"></a>
<FONT color="green">039</FONT>                            return updateActionContainers(ArcEager.REDUCE, null);<a name="line.39"></a>
<FONT color="green">040</FONT>                    } else {<a name="line.40"></a>
<FONT color="green">041</FONT>                            return updateActionContainers(ArcEager.SHIFT, null);<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 finalizeSentence(DependencyStructure dependencyGraph) throws MaltChainedException {}<a name="line.45"></a>
<FONT color="green">046</FONT>            <a name="line.46"></a>
<FONT color="green">047</FONT>            public void terminate() throws MaltChainedException {}<a name="line.47"></a>
<FONT color="green">048</FONT>    }<a name="line.48"></a>




























































</PRE>
</BODY>
</HTML>