Examples with IndentedWriter org.apache.jena.atlas.io.IndentedWriter used on opensource projects

Example 26 with IndentedWriter

use of org.apache.jena.atlas.io.IndentedWriter in project jena by apache.

the class sse_query method exec.

@Override
protected void exec() {
    Op op = modAlgebra.getOp();
    if (op == null) {
        System.err.println("No query expression to execute");
        throw new TerminationException(9);
    }
    Dataset dataset = modDataset.getDataset();
    // Check there is a dataset.
    if (dataset == null)
        dataset = DatasetFactory.createGeneral();
    modTime.startTimer();
    DatasetGraph dsg = dataset.asDatasetGraph();
    if (printOp || printPlan) {
        if (printOp) {
            divider();
            IndentedWriter out = new IndentedWriter(System.out, true);
            op.output(out);
            out.flush();
        }
        if (printPlan) {
            QueryIterator qIter = Algebra.exec(op, dsg);
            Plan plan = new PlanOp(op, null, qIter);
            divider();
            IndentedWriter out = new IndentedWriter(System.out, false);
            plan.output(out);
            out.flush();
        }
    // return ;
    }
    // Do not optimize.  Execute as-is.
    QueryExecUtils.execute(op, dsg, modResults.getResultsFormat());
    long time = modTime.endTimer();
    if (modTime.timingEnabled())
        System.out.println("Time: " + modTime.timeStr(time));
}

Example 27 with IndentedWriter

use of org.apache.jena.atlas.io.IndentedWriter in project jena by apache.

the class ModContext method verbose.

public void verbose(PrintStream stream) {
    IndentedWriter out = new IndentedWriter(stream);
    verbose(out);
    out.flush();
}

Example 28 with IndentedWriter

use of org.apache.jena.atlas.io.IndentedWriter in project jena by apache.

the class ShaclcWriter method print.

/**
 * Write shapes in <a href="https://w3c.github.io/shacl/shacl-compact-syntax/">SHACL Compact Syntax</a> (July 2020).
 */
public static void print(OutputStream output, Shapes shapes) {
    IndentedWriter out = new IndentedWriter(output);
    out.setUnitIndent(4);
    print(out, shapes);
}

Example 29 with IndentedWriter

use of org.apache.jena.atlas.io.IndentedWriter in project jena by apache.

the class ShexPrintable method print.

public default void print() {
    IndentedWriter iOut = IndentedWriter.clone(IndentedWriter.stdout);
    NodeFormatter nFmt = new NodeFormatterTTL(null, PrefixMapFactory.create(SSE.getPrefixMapRead()));
    print(iOut, nFmt);
}

Example 30 with IndentedWriter

use of org.apache.jena.atlas.io.IndentedWriter in project jena by apache.

the class ExQuerySelect1 method main.

public static void main(String[] args) {
    // Create the data.
    // This wil be the background (unnamed) graph in the dataset.
    Model model = createModel();
    // First part or the query string
    String prolog = "PREFIX dc: <" + DC.getURI() + ">";
    // Query string.
    String queryString = prolog + NL + "SELECT ?title WHERE {?x dc:title ?title}";
    Query query = QueryFactory.create(queryString);
    // Print with line numbers
    query.serialize(new IndentedWriter(System.out, true));
    System.out.println();
    try (QueryExecution qexec = QueryExecutionFactory.create(query, model)) {
        // Or QueryExecutionFactory.create(queryString, model) ;
        System.out.println("Titles: ");
        // Assumption: it's a SELECT query.
        ResultSet rs = qexec.execSelect();
        // The order of results is undefined.
        for (; rs.hasNext(); ) {
            QuerySolution rb = rs.nextSolution();
            // Get title - variable names do not include the '?' (or '$')
            RDFNode x = rb.get("title");
            // Check the type of the result value
            if (x.isLiteral()) {
                Literal titleStr = (Literal) x;
                System.out.println("    " + titleStr);
            } else
                System.out.println("Strange - not a literal: " + x);
        }
    }
}