    001    package org.maltparser.core.syntaxgraph;
    002
    003    import org.maltparser.core.config.ConfigurationDir;
    004    import org.maltparser.core.exception.MaltChainedException;
    005    import org.maltparser.core.flow.FlowChartInstance;
    006    import org.maltparser.core.flow.FlowException;
    007    import org.maltparser.core.flow.item.ChartItem;
    008    import org.maltparser.core.flow.spec.ChartItemSpecification;
    009    import org.maltparser.core.helper.HashSet;
    010    import org.maltparser.core.io.dataformat.DataFormatInstance;
    011    import org.maltparser.core.io.dataformat.DataFormatManager;
    012    import org.maltparser.core.io.dataformat.DataFormatSpecification.DataStructure;
    013    import org.maltparser.core.io.dataformat.DataFormatSpecification.Dependency;
    014    import org.maltparser.core.options.OptionManager;
    015    import org.maltparser.core.symbol.SymbolTableHandler;
    016    import org.maltparser.core.syntaxgraph.ds2ps.LosslessMapping;
    017    /**
    018    *
    019    *
    020    * @author Johan Hall
    021    */
    022    public class SyntaxGraphChartItem extends ChartItem {
    023            private String idName;
    024            private String structureName;
    025            private String taskName;
    026            private TokenStructure graph;
    027
    028            public SyntaxGraphChartItem() { super(); }
    029
    030            public void initialize(FlowChartInstance flowChartinstance, ChartItemSpecification chartItemSpecification) throws MaltChainedException {
    031                    super.initialize(flowChartinstance, chartItemSpecification);
    032
    033                    for (String key : chartItemSpecification.getChartItemAttributes().keySet()) {
    034                            if (key.equals("id")) {
    035                                    idName = chartItemSpecification.getChartItemAttributes().get(key);
    036                            } else if (key.equals("structure")) {
    037                                    structureName = chartItemSpecification.getChartItemAttributes().get(key);
    038                            } else if (key.equals("task")) {
    039                                    taskName = chartItemSpecification.getChartItemAttributes().get(key);
    040                            }
    041                    }
    042                    if (idName == null) {
    043                            idName = getChartElement("graph").getAttributes().get("id").getDefaultValue();
    044                    } else if (structureName == null) {
    045                            structureName = getChartElement("graph").getAttributes().get("structure").getDefaultValue();
    046                    } else if (taskName == null) {
    047                            taskName = getChartElement("graph").getAttributes().get("task").getDefaultValue();
    048                    }
    049            }
    050
    051            public int preprocess(int signal) throws MaltChainedException {
    052                    if (taskName.equals("create")) {
    053                            boolean phrase = false;
    054                            boolean dependency = false;
    055                            ConfigurationDir configDir = (ConfigurationDir)flowChartinstance.getFlowChartRegistry(org.maltparser.core.config.ConfigurationDir.class, idName);
    056                            DataFormatInstance dataFormatInstance = null;
    057                            DataFormatManager dataFormatManager = configDir.getDataFormatManager();
    058                            SymbolTableHandler symbolTables = configDir.getSymbolTables();
    059
    060
    061
    062                            for (String key : configDir.getDataFormatInstanceKeys()) {
    063                                    DataFormatInstance dfi = configDir.getDataFormatInstance(key);
    064                                    if (dfi.getDataFormarSpec().getDataStructure() == DataStructure.PHRASE) {
    065                                            phrase = true;
    066                                    }
    067                                    if (dfi.getDataFormarSpec().getDataStructure() == DataStructure.DEPENDENCY) {
    068                                            dependency = true;
    069                                            dataFormatInstance = dfi;
    070                                    }
    071                            }
    072
    073                            if (dependency == false && OptionManager.instance().getOptionValue(getOptionContainerIndex(), "config", "flowchart").toString().equals("learn")) {
    074                                    dependency = true;
    075                                    HashSet<Dependency> deps = dataFormatManager.getInputDataFormatSpec().getDependencies();
    076                                    String nullValueStategy = OptionManager.instance().getOptionValue(getOptionContainerIndex(), "singlemalt", "null_value").toString();
    077                                    for (Dependency dep : deps) {
    078                                            dataFormatInstance = dataFormatManager.getDataFormatSpec(dep.getDependentOn()).createDataFormatInstance(symbolTables, nullValueStategy);
    079                                            configDir.addDataFormatInstance(dataFormatManager.getOutputDataFormatSpec().getDataFormatName(), dataFormatInstance);
    080                                    }
    081                            }
    082
    083                            if (dependency == true && phrase == false) {
    084                                    graph = new DependencyGraph(symbolTables);
    085                                    flowChartinstance.addFlowChartRegistry(org.maltparser.core.syntaxgraph.DependencyStructure.class, structureName, graph);
    086                            } else if (dependency == true && phrase == true) {
    087                                    graph = new MappablePhraseStructureGraph(symbolTables);
    088                                    final DataFormatInstance inFormat = configDir.getDataFormatInstance(dataFormatManager.getInputDataFormatSpec().getDataFormatName());
    089                                    final DataFormatInstance outFormat = configDir.getDataFormatInstance(dataFormatManager.getOutputDataFormatSpec().getDataFormatName());
    090
    091                                    if (inFormat != null && outFormat != null) {
    092                                            LosslessMapping mapping = null;
    093                                            if (inFormat.getDataFormarSpec().getDataStructure() == DataStructure.DEPENDENCY) {
    094                                                    mapping = new LosslessMapping(inFormat, outFormat);
    095                                            } else {
    096                                                    mapping = new LosslessMapping(outFormat, inFormat);
    097                                            }
    098                                            if (inFormat.getDataFormarSpec().getDataStructure() == DataStructure.PHRASE) {
    099                                                    mapping.setHeadRules(OptionManager.instance().getOptionValue(getOptionContainerIndex(), "graph", "head_rules").toString());
    100                                            }
    101                                            ((MappablePhraseStructureGraph)graph).setMapping(mapping);
    102                                    } else {
    103                                            throw new FlowException("Couldn't determine the input and output data format. ");
    104                                    }
    105                                    flowChartinstance.addFlowChartRegistry(org.maltparser.core.syntaxgraph.DependencyStructure.class, structureName, graph);
    106                                    flowChartinstance.addFlowChartRegistry(org.maltparser.core.syntaxgraph.PhraseStructure.class, structureName, graph);
    107                            } else if (dependency == false && phrase == true) {
    108                                    graph = new PhraseStructureGraph(symbolTables);
    109                                    flowChartinstance.addFlowChartRegistry(org.maltparser.core.syntaxgraph.PhraseStructure.class, structureName, graph);
    110                            } else {
    111                                    graph = new Sentence(symbolTables);
    112                            }
    113
    114                            if (dataFormatInstance != null) {
    115                                    ((DependencyStructure)graph).setDefaultRootEdgeLabels(
    116                                                    OptionManager.instance().getOptionValue(getOptionContainerIndex(), "graph", "root_label").toString(),
    117                                                    dataFormatInstance.getDependencyEdgeLabelSymbolTables());
    118                            }
    119                            flowChartinstance.addFlowChartRegistry(org.maltparser.core.syntaxgraph.TokenStructure.class, structureName, graph);
    120                    }
    121                    return signal;
    122            }
    123
    124            public int process(int signal) throws MaltChainedException {
    125                    return signal;
    126            }
    127
    128            public int postprocess(int signal) throws MaltChainedException {
    129                    return signal;
    130            }
    131
    132            public void terminate() throws MaltChainedException {
    133                    if (graph != null) {
    134                            graph.clear();
    135                            graph = null;
    136                    }
    137            }
    138
    139            public boolean equals(Object obj) {
    140                    if (this == obj)
    141                            return true;
    142                    if (obj == null)
    143                            return false;
    144                    if (getClass() != obj.getClass())
    145                            return false;
    146                    return obj.toString().equals(this.toString());
    147            }
    148
    149            public int hashCode() {
    150                    return 217 + (null == toString() ? 0 : toString().hashCode());
    151            }
    152
    153            public String toString() {
    154                    StringBuilder sb = new StringBuilder();
    155                    sb.append("    graph ");
    156                    sb.append("id:");sb.append(idName);
    157                    sb.append(' ');
    158                    sb.append("task:");
    159                    sb.append(taskName);
    160                    sb.append(' ');
    161                    sb.append("structure:");
    162                    sb.append(structureName);
    163                    return sb.toString();
    164            }
    165    }