Examples with MonitorOutput org.apache.jena.system.progress.MonitorOutput used on opensource projects

Example 1 with MonitorOutput

use of org.apache.jena.system.progress.MonitorOutput in project jena by apache.

the class tdbloader method chooseLoader.

/**
 * Decide on the bulk loader.
 */
private DataLoader chooseLoader(DatasetGraph dsg, String graphName) {
    Objects.requireNonNull(dsg);
    Node gn = null;
    if (graphName != null)
        gn = NodeFactory.createURI(graphName);
    LoaderEnum useLoader = loader;
    if (useLoader == null) {
        // Default choice - phased if empty. basic if not.
        boolean isEmpty = Txn.calculateRead(dsg, () -> dsg.isEmpty());
        if (isEmpty)
            useLoader = LoaderEnum.Phased;
        else
            useLoader = LoaderEnum.Basic;
    }
    MonitorOutput output = isQuiet() ? MonitorOutputs.nullOutput() : LoaderOps.outputToLog();
    DataLoader loader = createLoader(useLoader, dsg, gn, output);
    if (output != null)
        output.print("Loader = %s", loader.getClass().getSimpleName());
    return loader;
}

Example 2 with MonitorOutput

use of org.apache.jena.system.progress.MonitorOutput in project jena by apache.

the class Loader method create.

/**
 * Create a {@link DataLoader}. {@code DataLoader}s provide a {@code StreamRDF}
 * interface as well as an operation to load data from files or URLs.
 * <p>
 * To use the loader:
 *
 * <pre>
 *  loader.startBulk();
 *    send data ...
 *        use stream()
 *        or load(files)
 *        or a mixture.
 *  loader.finishBulk();
 * </pre>
 */
public static DataLoader create(DatasetGraph dataset, boolean showProgress) {
    MonitorOutput output = showProgress ? LoaderOps.outputToLog() : MonitorOutputs.nullOutput();
    DataLoader loader = LoaderFactory.createLoader(dataset, output);
    return loader;
}

Example 3 with MonitorOutput

use of org.apache.jena.system.progress.MonitorOutput in project jena by apache.

the class Loader method read.

/**
 * Load the contents of files or remote web data into a dataset using the basic data loader.
 */
public static void read(DatasetGraph dataset, List<String> dataURLs, boolean showProgress) {
    MonitorOutput output = showProgress ? LoaderOps.outputToLog() : MonitorOutputs.nullOutput();
    DataLoader loader = LoaderFactory.basicLoader(dataset, output);
    loader.startBulk();
    try {
        loader.load(dataURLs);
        loader.finishBulk();
    } catch (RuntimeException ex) {
        loader.finishException(ex);
        throw ex;
    }
}