Examples with Resource org.apache.jena.rdf.model.Resource used on opensource projects

Example 16 with Resource

use of org.apache.jena.rdf.model.Resource in project jena by apache.

the class SDBModelAssembler method open.

@Override
public Model open(Assembler a, Resource root, Mode mode) {
    // Make a model.
    // [] rdf:type sdb:Model ;
    //    sdb:dataset <dataset> ;
    //    sdb:graphName <someURI> .
    // A model (graph) is a (dataset, name) pair where the name can be absent
    // meaning the default graph of the dataset.
    Resource dataset = GraphUtils.getResourceValue(root, AssemblerVocab.pDataset);
    if (dataset == null)
        throw new MissingException(root, "No dataset for model or graph");
    StoreDesc storeDesc = datasetAssem.openStore(a, dataset, mode);
    // Attempt to find a graph name - may be absent.
    // Two names : "namedGraph" and "graphName"
    String x = GraphUtils.getAsStringValue(root, AssemblerVocab.pNamedGraph1);
    if (x == null)
        x = GraphUtils.getAsStringValue(root, AssemblerVocab.pNamedGraph2);
    // No name - default model.
    Graph g = null;
    if (x == null)
        return SDBFactory.connectDefaultModel(storeDesc);
    else
        return SDBFactory.connectNamedModel(storeDesc, x);
}

Example 17 with Resource

use of org.apache.jena.rdf.model.Resource in project jena by apache.

the class StoreDescAssembler method open.

@Override
public StoreDesc open(Assembler a, Resource root, Mode mode) {
    SDBConnectionDesc sdbConnDesc = null;
    Resource c = GraphUtils.getResourceValue(root, AssemblerVocab.pConnection);
    if (c != null)
        sdbConnDesc = (SDBConnectionDesc) a.open(c);
    String layoutName = GraphUtils.getStringValue(root, AssemblerVocab.pLayout);
    String dbType = chooseDBType(root, sdbConnDesc);
    // Features
    List<Resource> x = GraphUtils.multiValueResource(root, AssemblerVocab.featureProperty);
    FeatureSet fSet = new FeatureSet();
    for (Resource r : x) {
        String n = GraphUtils.getStringValue(r, AssemblerVocab.featureNameProperty);
        String v = GraphUtils.getStringValue(r, AssemblerVocab.featureValueProperty);
        Feature f = new Feature(new Feature.Name(n), v);
        fSet.addFeature(f);
    }
    StoreDesc storeDesc = new StoreDesc(layoutName, dbType, fSet);
    storeDesc.connDesc = sdbConnDesc;
    // MySQL specials
    String engineName = GraphUtils.getStringValue(root, AssemblerVocab.pMySQLEngine);
    storeDesc.engineType = null;
    if (engineName != null)
        try {
            storeDesc.engineType = MySQLEngineType.convert(engineName);
        } catch (SDBException ex) {
        }
    // SAP specials
    String storageType = GraphUtils.getStringValue(root, AssemblerVocab.pStorageType);
    if (storageType != null)
        try {
            storeDesc.storageType = SAPStorageType.convert(storageType);
        } catch (SDBException ex) {
        }
    return storeDesc;
}

Example 18 with Resource

use of org.apache.jena.rdf.model.Resource in project jena by apache.

the class AbstractTestDatasetWithAnalyzer method init.

public void init(String analyzer, String parser) {
    Reader reader = new StringReader(makeSpec(analyzer, parser));
    Model specModel = ModelFactory.createDefaultModel();
    specModel.read(reader, "", "TURTLE");
    TextAssembler.init();
    Resource root = specModel.getResource(SPEC_ROOT_URI);
    dataset = (Dataset) Assembler.general.open(root);
}

Example 19 with Resource

use of org.apache.jena.rdf.model.Resource in project jena by apache.

the class TextIndexLuceneAssembler method open.

/*
    <#index> a :TextIndexLucene ;
        #text:directory "mem" ;
        #text:directory "DIR" ;
        text:directory <file:DIR> ;
        text:entityMap <#endMap> ;
        .
    */
@SuppressWarnings("resource")
@Override
public TextIndex open(Assembler a, Resource root, Mode mode) {
    try {
        if (!GraphUtils.exactlyOneProperty(root, pDirectory))
            throw new TextIndexException("No 'text:directory' property on " + root);
        Directory directory;
        RDFNode n = root.getProperty(pDirectory).getObject();
        if (n.isLiteral()) {
            String literalValue = n.asLiteral().getLexicalForm();
            if (literalValue.equals("mem")) {
                directory = new RAMDirectory();
            } else {
                File dir = new File(literalValue);
                directory = FSDirectory.open(dir.toPath());
            }
        } else {
            Resource x = n.asResource();
            String path = IRILib.IRIToFilename(x.getURI());
            File dir = new File(path);
            directory = FSDirectory.open(dir.toPath());
        }
        Analyzer analyzer = null;
        Statement analyzerStatement = root.getProperty(pAnalyzer);
        if (null != analyzerStatement) {
            RDFNode aNode = analyzerStatement.getObject();
            if (!aNode.isResource()) {
                throw new TextIndexException("Text analyzer property is not a resource : " + aNode);
            }
            Resource analyzerResource = (Resource) aNode;
            analyzer = (Analyzer) a.open(analyzerResource);
        }
        Analyzer queryAnalyzer = null;
        Statement queryAnalyzerStatement = root.getProperty(pQueryAnalyzer);
        if (null != queryAnalyzerStatement) {
            RDFNode qaNode = queryAnalyzerStatement.getObject();
            if (!qaNode.isResource()) {
                throw new TextIndexException("Text query analyzer property is not a resource : " + qaNode);
            }
            Resource analyzerResource = (Resource) qaNode;
            queryAnalyzer = (Analyzer) a.open(analyzerResource);
        }
        String queryParser = null;
        Statement queryParserStatement = root.getProperty(pQueryParser);
        if (null != queryParserStatement) {
            RDFNode qpNode = queryParserStatement.getObject();
            if (!qpNode.isResource()) {
                throw new TextIndexException("Text query parser property is not a resource : " + qpNode);
            }
            Resource parserResource = (Resource) qpNode;
            queryParser = parserResource.getLocalName();
        }
        boolean isMultilingualSupport = false;
        Statement mlSupportStatement = root.getProperty(pMultilingualSupport);
        if (null != mlSupportStatement) {
            RDFNode mlsNode = mlSupportStatement.getObject();
            if (!mlsNode.isLiteral()) {
                throw new TextIndexException("text:multilingualSupport property must be a string : " + mlsNode);
            }
            isMultilingualSupport = mlsNode.asLiteral().getBoolean();
        }
        boolean storeValues = false;
        Statement storeValuesStatement = root.getProperty(pStoreValues);
        if (null != storeValuesStatement) {
            RDFNode svNode = storeValuesStatement.getObject();
            if (!svNode.isLiteral()) {
                throw new TextIndexException("text:storeValues property must be a string : " + svNode);
            }
            storeValues = svNode.asLiteral().getBoolean();
        }
        Resource r = GraphUtils.getResourceValue(root, pEntityMap);
        EntityDefinition docDef = (EntityDefinition) a.open(r);
        TextIndexConfig config = new TextIndexConfig(docDef);
        config.setAnalyzer(analyzer);
        config.setQueryAnalyzer(queryAnalyzer);
        config.setQueryParser(queryParser);
        config.setMultilingualSupport(isMultilingualSupport);
        config.setValueStored(storeValues);
        return TextDatasetFactory.createLuceneIndex(directory, config);
    } catch (IOException e) {
        IO.exception(e);
        return null;
    }
}

Example 20 with Resource

use of org.apache.jena.rdf.model.Resource in project jena by apache.

the class ConfigurableAnalyzerAssembler method toFilterList.

private List<String> toFilterList(Resource list) {
    List<String> result = new ArrayList<>();
    Resource current = list;
    while (current != null && !current.equals(RDF.nil)) {
        Statement stmt = current.getProperty(RDF.first);
        if (stmt == null) {
            throw new TextIndexException("filter list not well formed");
        }
        RDFNode node = stmt.getObject();
        if (!node.isResource()) {
            throw new TextIndexException("filter is not a resource : " + node);
        }
        result.add(node.asResource().getLocalName());
        stmt = current.getProperty(RDF.rest);
        if (stmt == null) {
            throw new TextIndexException("filter list not terminated by rdf:nil");
        }
        node = stmt.getObject();
        if (!node.isResource()) {
            throw new TextIndexException("filter list node is not a resource : " + node);
        }
        current = node.asResource();
    }
    return result;
}