Examples with StoreDesc org.apache.jena.sdb.StoreDesc used on opensource projects

Example 11 with StoreDesc

use of org.apache.jena.sdb.StoreDesc 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 12 with StoreDesc

use of org.apache.jena.sdb.StoreDesc 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 13 with StoreDesc

use of org.apache.jena.sdb.StoreDesc in project jena by apache.

the class Ex2 method main.

public static void main(String... argv) {
    String queryString = "SELECT * { ?s ?p ?o }";
    Query query = QueryFactory.create(queryString);
    StoreDesc storeDesc = new StoreDesc(LayoutType.LayoutTripleNodesHash, DatabaseType.Derby);
    // Multiple choices for Derby - load the embedded driver
    JDBC.loadDriverDerby();
    String jdbcURL = "jdbc:derby:DB/SDB2";
    // Passing null for user and password causes them to be extracted
    // from the environment variables SDB_USER and SDB_PASSWORD
    SDBConnection conn = new SDBConnection(jdbcURL, null, null);
    // Make store from connection and store description. 
    Store store = SDBFactory.connectStore(conn, storeDesc);
    Dataset ds = DatasetStore.create(store);
    QueryExecution qe = QueryExecutionFactory.create(query, ds);
    try {
        ResultSet rs = qe.execSelect();
        ResultSetFormatter.out(rs);
    } finally {
        qe.close();
    }
    store.close();
}

Example 14 with StoreDesc

use of org.apache.jena.sdb.StoreDesc in project jena by apache.

the class sdbprint method processModulesAndArgs.

@Override
protected void processModulesAndArgs() {
    // Force the connection to be a null one.
    // Known to be called after arg module initialization.
    StoreDesc storeDesc = getModStore().getStoreDesc();
    storeDesc.connDesc.setJdbcURL(JDBC.jdbcNone);
    if (storeDesc.getLayout() == null)
        storeDesc.setLayout(layoutDefault);
    printSQL = contains(argDeclPrintSQL);
    List<String> strList = getValues(argDeclPrint);
    for (String arg : strList) {
        if (arg.equalsIgnoreCase("query")) {
            printQuery = true;
        } else if (arg.equalsIgnoreCase("Op")) {
            printOp = true;
        } else if (arg.equalsIgnoreCase("SqlNode")) {
            printSqlNode = true;
        } else if (arg.equalsIgnoreCase("sql")) {
            printSQL = true;
        } else if (arg.equalsIgnoreCase("plan")) {
            printPlan = true;
        } else
            throw new CmdException("Not a recognized print form: " + arg + " : Choices are: query, prefix, op, sqlNode, sql");
    }
}

Example 15 with StoreDesc

use of org.apache.jena.sdb.StoreDesc in project jena by apache.

the class QueryTestSDBFactory method make.

public static void make(TestSuite ts, String storeList, String manifestFile) {
    for (Pair<String, StoreDesc> p : StoreList.stores(storeList)) {
        String label = p.car();
        StoreDesc storeDesc = p.cdr();
        if (label != null && !label.equals(""))
            label = label + " - ";
        TestSuite ts2 = make(storeDesc, manifestFile, label);
        ts.addTest(ts2);
    }
}