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

Example 6 with Resource

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

the class SDBConnectionDesc method worker.

private static SDBConnectionDesc worker(Model m) {
    Resource r = GraphUtils.getResourceByType(m, AssemblerVocab.SDBConnectionAssemblerType);
    if (r == null)
        throw new SDBException("Can't find connection description");
    SDBConnectionDesc desc = (SDBConnectionDesc) AssemblerBase.general.open(r);
    desc.initJDBC();
    return desc;
}

Example 7 with Resource

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

the class CmdDescAssembler method open.

/* This SPARQL query will process arguments 
PREFIX acmd:     <http://jena.hpl.hp.com/2007/sdb#>
PREFIX rdf:      <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX list:    <http://jena.apache.org/ARQ/list#>

SELECT ?name ?value
{ ?x rdf:type acmd:Cmd ;
     acmd:args ?args .

  { ?args list:member [ acmd:name ?name  ; acmd:value  ?value ] }
UNION
  { ?args list:member ?e .
    OPTIONAL { ?e acmd:name ?name }
    FILTER (!bound(?name)) .
    ?e acmd:value ?value .
  }
UNION
  { ?args list:member ?value . FILTER isLiteral(?value) }
}     
     */
@Override
public Object open(Assembler a, Resource root, Mode mode) {
    CmdDesc cd = new CmdDesc();
    String main = GraphUtils.getStringValue(root, AssemblerVocab.pMain);
    if (main == null)
        main = GraphUtils.getStringValue(root, AssemblerVocab.pClassname);
    cd.setCmd(main);
    Resource x = GraphUtils.getResourceValue(root, AssemblerVocab.pArgs);
    if (x != null) {
        for (; !x.equals(RDF.nil); ) {
            RDFNode e = x.getRequiredProperty(RDF.first).getObject();
            // Move to next list item
            x = x.getRequiredProperty(RDF.rest).getResource();
            // Either : a literal or a named pair.
            if (e.isLiteral()) {
                cd.addPosn(((Literal) e).getString());
                continue;
            }
            Resource entry = (Resource) e;
            String name = GraphUtils.getStringValue(entry, AssemblerVocab.pArgName);
            String value = GraphUtils.getStringValue(entry, AssemblerVocab.pArgValue);
            if (value == null)
                throw new CommandAssemblerException(entry, "Strange entry: " + entry);
            if (name != null)
                cd.addNamedArg(name, value);
            else
                cd.addPosn(value);
        }
    }
    return cd;
}

Example 8 with Resource

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

the class QueryCommandAssembler method open.

@Override
public Object open(Assembler a, Resource root, Mode mode) {
    // Query
    Resource queryDesc = getUniqueResource(root, AssemblerVocab.pQuery);
    Query query = (Query) a.open(a, queryDesc, mode);
    // Dataset
    Resource datasetDesc = getUniqueResource(root, AssemblerVocab.pDataset);
    Dataset dataset = (Dataset) a.open(a, datasetDesc, mode);
    // Output format
    String s = GraphUtils.getStringValue(root, AssemblerVocab.pOutputFormat);
    if (s == null)
        s = "text";
    ResultsFormat format = ResultsFormat.lookup(s);
    QueryExecution qExec = QueryExecutionFactory.create(query, dataset);
    return new QExec(query, qExec, format);
}

Example 9 with Resource

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

the class ScriptAssembler method open.

// A script is a number of command descriptions (CmdDesc)
@Override
public Object open(Assembler a, Resource root, Mode mode) {
    ScriptDesc sd = new ScriptDesc();
    Resource x = GraphUtils.getResourceValue(root, AssemblerVocab.pSteps);
    if (x != null) {
        for (; !x.equals(RDF.nil); ) {
            Resource e = x.getRequiredProperty(RDF.first).getResource();
            // Move to next list item
            x = x.getRequiredProperty(RDF.rest).getResource();
            // Process this item.
            try {
                CmdDesc cd = (CmdDesc) a.open(e);
                sd.add(cd);
            } catch (ClassCastException ex) {
                System.err.println("Not a command description : " + ex.getMessage());
            }
        }
    }
    return sd;
}

Example 10 with Resource

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

the class T_TDBWriteTransaction method run.

public static void run(String location) {
    if (false) {
        Journal journal = Journal.create(Location.create(location));
        JournalControl.print(journal);
        journal.close();
    }
    //String location = args[0]; // + "/" + UUID.randomUUID().toString();
    //String baseGraphName = "com.ibm.test.graphNamePrefix.";   
    long totalExecTime = 0L;
    long size = 0;
    Dataset dataset = TDBFactory.createDataset(location);
    Dataset dataset1 = TDBFactory.createDataset(location);
    if (bracketWithReader)
        dataset1.begin(ReadWrite.READ);
    for (int i = 0; i < TOTAL; i++) {
        List<String> lastProcessedUris = new ArrayList<>();
        for (int j = 0; j < 10 * i; j++) {
            String lastProcessedUri = "http://test.net/xmlns/test/1.0/someUri" + j;
            lastProcessedUris.add(lastProcessedUri);
        }
        //Dataset dataset = TDBFactory.createDataset(location);
        //String graphName = baseGraphName + i;
        long t = System.currentTimeMillis();
        try {
            dataset.begin(ReadWrite.WRITE);
            Model m = dataset.getDefaultModel();
            m.removeAll();
            Resource subject = m.createResource(INDEX_INFO_SUBJECT);
            Property predicate = m.createProperty(TIMESTAMP_PREDICATE);
            m.addLiteral(subject, predicate, System.currentTimeMillis());
            predicate = m.createProperty(URI_PREDICATE);
            for (String uri : lastProcessedUris) {
                m.add(subject, predicate, m.createResource(uri));
            }
            predicate = m.createProperty(VERSION_PREDICATE);
            m.addLiteral(subject, predicate, 1.0);
            size += m.size() + 1;
            predicate = m.createProperty(INDEX_SIZE_PREDICATE);
            m.addLiteral(subject, predicate, size);
            dataset.commit();
        } catch (Throwable e) {
            dataset.abort();
            throw new RuntimeException(e);
        } finally {
            dataset.end();
            long writeOperationDuration = System.currentTimeMillis() - t;
            totalExecTime += writeOperationDuration;
            System.out.println("Write operation " + i + " took " + writeOperationDuration + "ms");
        }
    }
    if (bracketWithReader)
        dataset1.end();
    System.out.println("All " + TOTAL + " write operations wrote " + size + " triples and took " + totalExecTime + "ms");
}