Examples with InstanceDoesNotExistException org.apache.rya.api.client.InstanceDoesNotExistException used on opensource projects

Example 1 with InstanceDoesNotExistException

use of org.apache.rya.api.client.InstanceDoesNotExistException in project incubator-rya by apache.

the class AccumuloExecuteSparqlQuery method executeSparqlQuery.

@Override
public String executeSparqlQuery(final String ryaInstanceName, final String sparqlQuery) throws InstanceDoesNotExistException, RyaClientException {
    requireNonNull(ryaInstanceName);
    requireNonNull(sparqlQuery);
    // Ensure the Rya Instance exists.
    if (!instanceExists.exists(ryaInstanceName)) {
        throw new InstanceDoesNotExistException(String.format("There is no Rya instance named '%s'.", ryaInstanceName));
    }
    Sail sail = null;
    SailRepository sailRepo = null;
    SailRepositoryConnection sailRepoConn = null;
    try {
        // Get a Sail object that is connected to the Rya instance.
        final AccumuloRdfConfiguration ryaConf = getAccumuloConnectionDetails().buildAccumuloRdfConfiguration(ryaInstanceName);
        sail = RyaSailFactory.getInstance(ryaConf);
        sailRepo = new SailRepository(sail);
        sailRepoConn = sailRepo.getConnection();
        // Execute the query.
        final long start = System.currentTimeMillis();
        final TupleQuery tupleQuery = sailRepoConn.prepareTupleQuery(QueryLanguage.SPARQL, sparqlQuery);
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        final CountingSPARQLResultsCSVWriter handler = new CountingSPARQLResultsCSVWriter(baos);
        tupleQuery.evaluate(handler);
        final StringBuilder sb = new StringBuilder();
        final String newline = "\n";
        sb.append("Query Result:").append(newline);
        sb.append(new String(baos.toByteArray(), StandardCharsets.UTF_8));
        final String seconds = new DecimalFormat("0.0##").format((System.currentTimeMillis() - start) / 1000.0);
        sb.append("Retrieved ").append(handler.getCount()).append(" results in ").append(seconds).append(" seconds.");
        return sb.toString();
    } catch (final SailException | AccumuloException | AccumuloSecurityException | RyaDAOException | InferenceEngineException e) {
        throw new RyaClientException("A problem connecting to the Rya instance named '" + ryaInstanceName + "' has caused the query to fail.", e);
    } catch (final MalformedQueryException e) {
        throw new RyaClientException("There was a problem parsing the supplied query.", e);
    } catch (final QueryEvaluationException | TupleQueryResultHandlerException e) {
        throw new RyaClientException("There was a problem evaluating the supplied query.", e);
    } catch (final RepositoryException e) {
        throw new RyaClientException("There was a problem executing the query against the Rya instance named " + ryaInstanceName + ".", e);
    } finally {
        // Shut it all down.
        if (sailRepoConn != null) {
            try {
                sailRepoConn.close();
            } catch (final RepositoryException e) {
                log.warn("Couldn't close the SailRepoConnection that is attached to the Rya instance.", e);
            }
        }
        if (sailRepo != null) {
            try {
                sailRepo.shutDown();
            } catch (final RepositoryException e) {
                log.warn("Couldn't shut down the SailRepository that is attached to the Rya instance.", e);
            }
        }
        if (sail != null) {
            try {
                sail.shutDown();
            } catch (final SailException e) {
                log.warn("Couldn't shut down the Sail that is attached to the Rya instance.", e);
            }
        }
    }
}

Example 2 with InstanceDoesNotExistException

use of org.apache.rya.api.client.InstanceDoesNotExistException in project incubator-rya by apache.

the class AccumuloLoadStatements method loadStatements.

@Override
public void loadStatements(final String ryaInstanceName, final Iterable<? extends Statement> statements) throws InstanceDoesNotExistException, RyaClientException {
    requireNonNull(ryaInstanceName);
    requireNonNull(statements);
    // Ensure the Rya Instance exists.
    if (!instanceExists.exists(ryaInstanceName)) {
        throw new InstanceDoesNotExistException(String.format("There is no Rya instance named '%s'.", ryaInstanceName));
    }
    Sail sail = null;
    SailRepository sailRepo = null;
    SailRepositoryConnection sailRepoConn = null;
    try {
        // Get a Sail object that is connected to the Rya instance.
        final AccumuloRdfConfiguration ryaConf = getAccumuloConnectionDetails().buildAccumuloRdfConfiguration(ryaInstanceName);
        // RYA-327 should address this hardcoded value.
        ryaConf.setFlush(false);
        sail = RyaSailFactory.getInstance(ryaConf);
        // Load the file.
        sailRepo = new SailRepository(sail);
        sailRepoConn = sailRepo.getConnection();
        sailRepoConn.add(statements);
    } catch (final SailException | AccumuloException | AccumuloSecurityException | RyaDAOException | InferenceEngineException e) {
        log.warn("Exception while loading:", e);
        throw new RyaClientException("A problem connecting to the Rya instance named '" + ryaInstanceName + "' has caused the load to fail.", e);
    } catch (final Exception e) {
        log.warn("Exception while loading:", e);
        throw new RyaClientException("A problem processing the RDF statements has caused the load into Rya instance named " + ryaInstanceName + "to fail.", e);
    } finally {
        // Shut it all down.
        if (sailRepoConn != null) {
            try {
                sailRepoConn.close();
            } catch (final RepositoryException e) {
                log.warn("Couldn't close the SailRepoConnection that is attached to the Rya instance.", e);
            }
        }
        if (sailRepo != null) {
            try {
                sailRepo.shutDown();
            } catch (final RepositoryException e) {
                log.warn("Couldn't shut down the SailRepository that is attached to the Rya instance.", e);
            }
        }
        if (sail != null) {
            try {
                sail.shutDown();
            } catch (final SailException e) {
                log.warn("Couldn't shut down the Sail that is attached to the Rya instance.", e);
            }
        }
    }
}

Example 3 with InstanceDoesNotExistException

use of org.apache.rya.api.client.InstanceDoesNotExistException in project incubator-rya by apache.

the class MongoGetInstanceDetails method getDetails.

@Override
public Optional<RyaDetails> getDetails(final String ryaInstanceName) throws InstanceDoesNotExistException, RyaClientException {
    requireNonNull(ryaInstanceName);
    // Ensure the Rya instance exists.
    if (!instanceExists.exists(ryaInstanceName)) {
        throw new InstanceDoesNotExistException(String.format("There is no Rya instance named '%s'.", ryaInstanceName));
    }
    // If the instance has details, then return them.
    final RyaDetailsRepository detailsRepo = new MongoRyaInstanceDetailsRepository(adminClient, ryaInstanceName);
    try {
        return Optional.of(detailsRepo.getRyaInstanceDetails());
    } catch (final NotInitializedException e) {
        return Optional.absent();
    } catch (final RyaDetailsRepositoryException e) {
        throw new RyaClientException("Could not fetch the Rya instance's details.", e);
    }
}

Example 4 with InstanceDoesNotExistException

use of org.apache.rya.api.client.InstanceDoesNotExistException in project incubator-rya by apache.

the class RyaAdminCommands method listFluoQueries.

@CliCommand(value = LIST_INCREMENTAL_QUERIES, help = "Lists relevant information about all SPARQL queries maintained by the Fluo application.")
public String listFluoQueries() {
    // Fetch the command that is connected to the store.
    final ShellState shellState = state.getShellState();
    final RyaClient commands = shellState.getConnectedCommands().get();
    final String ryaInstance = shellState.getRyaInstanceName().get();
    try {
        return commands.getListIncrementalQueries().get().listIncrementalQueries(ryaInstance);
    } catch (final InstanceDoesNotExistException e) {
        throw new RuntimeException(String.format("A Rya instance named '%s' does not exist.", ryaInstance), e);
    } catch (final RyaClientException e) {
        throw new RuntimeException("Could not list incremental queries. Provided reasons: " + e.getMessage(), e);
    }
}

Example 5 with InstanceDoesNotExistException

use of org.apache.rya.api.client.InstanceDoesNotExistException in project incubator-rya by apache.

the class RyaAdminCommands method deletePcj.

@CliCommand(value = DELETE_PCJ_CMD, help = "Deletes and halts maintenance of a PCJ.")
public String deletePcj(@CliOption(key = { "pcjId" }, mandatory = true, help = "The ID of the PCJ that will be deleted.") final String pcjId) {
    // Fetch the command that is connected to the store.
    final ShellState shellState = state.getShellState();
    final RyaClient commands = shellState.getConnectedCommands().get();
    final String ryaInstance = shellState.getRyaInstanceName().get();
    try {
        // Execute the command.
        commands.getDeletePCJ().deletePCJ(ryaInstance, pcjId);
        return "The PCJ has been deleted.";
    } catch (final InstanceDoesNotExistException e) {
        throw new RuntimeException(String.format("A Rya instance named '%s' does not exist.", ryaInstance), e);
    } catch (final RyaClientException e) {
        throw new RuntimeException("The PCJ could not be deleted. Provided reason: " + e.getMessage(), e);
    }
}