Examples with GetPcjMetadata org.apache.rya.indexing.pcj.fluo.api.GetPcjMetadata used on opensource projects

Example 1 with GetPcjMetadata

use of org.apache.rya.indexing.pcj.fluo.api.GetPcjMetadata in project incubator-rya by apache.

the class ListQueriesCommand method execute.

@Override
public void execute(final Connector accumulo, final String ryaTablePrefix, final RyaSailRepository rya, final FluoClient fluo, final String[] args) throws ArgumentsException, ExecutionException {
    checkNotNull(accumulo);
    checkNotNull(fluo);
    checkNotNull(args);
    log.trace("Executing the List Queries Command...");
    // Parse the command line arguments.
    final Parameters params = new Parameters();
    try {
        new JCommander(params, args);
    } catch (final ParameterException e) {
        throw new ArgumentsException("Could not list the queries because of invalid command line parameters.", e);
    }
    // Fetch the PCJ metadata that will be included in the report.
    final GetPcjMetadata getPcjMetadata = new GetPcjMetadata();
    final Map<String, PcjMetadata> metadata = new HashMap<String, PcjMetadata>();
    try {
        final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(accumulo, ryaTablePrefix);
        if (params.queryId != null) {
            log.trace("Fetch the PCJ Metadata from Accumulo for Query ID '" + params.queryId + "'.");
            metadata.put(params.queryId, getPcjMetadata.getMetadata(pcjStorage, fluo, params.queryId));
        } else {
            log.trace("Fetch the PCJ Metadata from Accumulo for all queries that are being updated by Fluo.");
            metadata.putAll(getPcjMetadata.getMetadata(pcjStorage, fluo));
        }
    } catch (NotInFluoException | NotInAccumuloException e) {
        throw new ExecutionException("Could not fetch some of the metadata required to build the report.", e);
    }
    // Write the metadata to the console.
    log.trace("Rendering the queries report...");
    if (metadata.isEmpty()) {
        System.out.println("No queries are being tracked by Fluo.");
    } else {
        final PcjMetadataRenderer renderer = new PcjMetadataRenderer();
        try {
            final String report = renderer.render(metadata);
            System.out.println("The number of Queries that are being tracked by Fluo: " + metadata.size());
            System.out.println(report);
        } catch (final Exception e) {
            throw new ExecutionException("Unable to render the query metadata report for output.", e);
        }
    }
    log.trace("Finished executing the List Queries Command.");
}