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

Example 6 with InstanceDoesNotExistException

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

the class RyaAdminCommands method createPcj.

@CliCommand(value = CREATE_PCJ_CMD, help = "Creates and starts the maintenance of a new PCJ using a Fluo application.")
public String createPcj(@CliOption(key = { "exportToRya" }, mandatory = false, help = "Indicates that results for the query should be exported to a Rya PCJ table.", unspecifiedDefaultValue = "false", specifiedDefaultValue = "true") final boolean exportToRya, @CliOption(key = { "exportToKafka" }, mandatory = false, help = "Indicates that results for the query should be exported to a Kafka Topic.", unspecifiedDefaultValue = "false", specifiedDefaultValue = "true") final boolean exportToKafka) {
    // 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 {
        final Set<ExportStrategy> strategies = new HashSet<>();
        if (exportToRya) {
            strategies.add(ExportStrategy.RYA);
        }
        if (exportToKafka) {
            strategies.add(ExportStrategy.KAFKA);
        }
        if (strategies.isEmpty()) {
            return "The user must specify at least one export strategy: (--exportToRya, --exportToKafka)";
        }
        // Prompt the user for the SPARQL.
        final Optional<String> sparql = sparqlPrompt.getSparql();
        if (sparql.isPresent()) {
            // Execute the command.
            final String pcjId = commands.getCreatePCJ().createPCJ(ryaInstance, sparql.get(), strategies);
            // Return a message that indicates the ID of the newly created ID.
            return String.format("The PCJ has been created. Its ID is '%s'.", pcjId);
        } else {
            // user aborted the SPARQL prompt.
            return "";
        }
    } catch (final InstanceDoesNotExistException e) {
        throw new RuntimeException(String.format("A Rya instance named '%s' does not exist.", ryaInstance), e);
    } catch (final IOException | RyaClientException e) {
        throw new RuntimeException("Could not create the PCJ. Provided reasons: " + e.getMessage(), e);
    }
}

Example 7 with InstanceDoesNotExistException

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

the class RyaAdminCommands method deletePeriodicPcj.

@CliCommand(value = DELETE_PERIODIC_PCJ_CMD, help = "Deletes and halts maintenance of a Periodic PCJ.")
public String deletePeriodicPcj(@CliOption(key = { "pcjId" }, mandatory = true, help = "The ID of the PCJ that will be deleted.") final String pcjId, @CliOption(key = { "topic" }, mandatory = true, help = "Kafka topic for registering a delete notice to remove a PeriodicNotification from the Periodic Notification Service.") final String topic, @CliOption(key = { "brokers" }, mandatory = true, help = "Comma delimited list of host/port pairs to establish the initial connection to the Kafka cluster.") final String brokers) {
    // 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.getDeletePeriodicPCJ().get().deletePeriodicPCJ(ryaInstance, pcjId, topic, brokers);
        return "The Periodic 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 Periodic PCJ could not be deleted. Provided reason: " + e.getMessage(), e);
    }
}

Example 8 with InstanceDoesNotExistException

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

the class AccumuloCreatePCJ method createPCJ.

@Override
public String createPCJ(final String instanceName, final String sparql, Set<ExportStrategy> strategies) throws InstanceDoesNotExistException, RyaClientException {
    requireNonNull(instanceName);
    requireNonNull(sparql);
    final Optional<RyaDetails> ryaDetailsHolder = getInstanceDetails.getDetails(instanceName);
    final boolean ryaInstanceExists = ryaDetailsHolder.isPresent();
    if (!ryaInstanceExists) {
        throw new InstanceDoesNotExistException(String.format("The '%s' instance of Rya does not exist.", instanceName));
    }
    final PCJIndexDetails pcjIndexDetails = ryaDetailsHolder.get().getPCJIndexDetails();
    final boolean pcjIndexingEnabeld = pcjIndexDetails.isEnabled();
    if (!pcjIndexingEnabeld) {
        throw new RyaClientException(String.format("The '%s' instance of Rya does not have PCJ Indexing enabled.", instanceName));
    }
    // Create the PCJ table that will receive the index results.
    final String pcjId;
    try (final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(getConnector(), instanceName)) {
        pcjId = pcjStorage.createPcj(sparql);
        // If a Fluo application is being used, task it with updating the PCJ.
        final Optional<FluoDetails> fluoDetailsHolder = pcjIndexDetails.getFluoDetails();
        if (fluoDetailsHolder.isPresent()) {
            final String fluoAppName = fluoDetailsHolder.get().getUpdateAppName();
            try {
                updateFluoApp(instanceName, fluoAppName, pcjId, sparql, strategies);
            } catch (RepositoryException | MalformedQueryException | SailException | QueryEvaluationException | PcjException | RyaDAOException e) {
                throw new RyaClientException("Problem while initializing the Fluo application with the new PCJ.", e);
            } catch (UnsupportedQueryException e) {
                throw new RyaClientException("The new PCJ could not be initialized because it either contains an unsupported query node " + "or an invalid ExportStrategy for the given QueryType.  Projection queries can be exported to either Rya or Kafka," + "unless they contain an aggregation, in which case they can only be exported to Kafka.  Construct queries can be exported" + "to Rya and Kafka, and Periodic queries can only be exported to Rya.");
            }
            // Update the Rya Details to indicate the PCJ is being updated incrementally.
            final RyaDetailsRepository detailsRepo = new AccumuloRyaInstanceDetailsRepository(getConnector(), instanceName);
            try {
                new RyaDetailsUpdater(detailsRepo).update(new RyaDetailsMutator() {

                    @Override
                    public RyaDetails mutate(final RyaDetails originalDetails) throws CouldNotApplyMutationException {
                        // Update the original PCJ Details to indicate they are incrementally updated.
                        final PCJDetails originalPCJDetails = originalDetails.getPCJIndexDetails().getPCJDetails().get(pcjId);
                        final PCJDetails.Builder mutatedPCJDetails = PCJDetails.builder(originalPCJDetails).setUpdateStrategy(PCJUpdateStrategy.INCREMENTAL);
                        // Replace the old PCJ Details with the updated ones.
                        final RyaDetails.Builder builder = RyaDetails.builder(originalDetails);
                        builder.getPCJIndexDetails().addPCJDetails(mutatedPCJDetails);
                        return builder.build();
                    }
                });
            } catch (RyaDetailsRepositoryException | CouldNotApplyMutationException e) {
                throw new RyaClientException("Problem while updating the Rya instance's Details to indicate the PCJ is being incrementally updated.", e);
            }
        }
        // Return the ID that was assigned to the PCJ.
        return pcjId;
    } catch (final PCJStorageException e) {
        throw new RyaClientException("Problem while initializing the PCJ table.", e);
    }
}

Example 9 with InstanceDoesNotExistException

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

the class AccumuloDeletePCJ method deletePCJ.

@Override
public void deletePCJ(final String instanceName, final String pcjId) throws InstanceDoesNotExistException, RyaClientException {
    requireNonNull(instanceName);
    requireNonNull(pcjId);
    final Optional<RyaDetails> originalDetails = getInstanceDetails.getDetails(instanceName);
    final boolean ryaInstanceExists = originalDetails.isPresent();
    if (!ryaInstanceExists) {
        throw new InstanceDoesNotExistException(String.format("The '%s' instance of Rya does not exist.", instanceName));
    }
    final boolean pcjIndexingEnabeld = originalDetails.get().getPCJIndexDetails().isEnabled();
    if (!pcjIndexingEnabeld) {
        throw new RyaClientException(String.format("The '%s' instance of Rya does not have PCJ Indexing enabled.", instanceName));
    }
    final boolean pcjExists = originalDetails.get().getPCJIndexDetails().getPCJDetails().containsKey(pcjId);
    if (!pcjExists) {
        throw new RyaClientException(String.format("The '%s' instance of Rya does not have PCJ with ID '%s'.", instanceName, pcjId));
    }
    // If the PCJ was being maintained by a Fluo application, then stop that process.
    final PCJIndexDetails pcjIndexDetails = originalDetails.get().getPCJIndexDetails();
    final PCJDetails droppedPcjDetails = pcjIndexDetails.getPCJDetails().get(pcjId);
    if (droppedPcjDetails.getUpdateStrategy().isPresent()) {
        if (droppedPcjDetails.getUpdateStrategy().get() == PCJUpdateStrategy.INCREMENTAL) {
            final Optional<FluoDetails> fluoDetailsHolder = pcjIndexDetails.getFluoDetails();
            if (fluoDetailsHolder.isPresent()) {
                final String fluoAppName = pcjIndexDetails.getFluoDetails().get().getUpdateAppName();
                stopUpdatingPCJ(fluoAppName, pcjId);
            } else {
                log.error(String.format("Could not stop the Fluo application from updating the PCJ because the Fluo Details are " + "missing for the Rya instance named '%s'.", instanceName));
            }
        }
    }
    // Drop the table that holds the PCJ results from Accumulo.
    try (final PrecomputedJoinStorage pcjs = new AccumuloPcjStorage(getConnector(), instanceName)) {
        pcjs.dropPcj(pcjId);
    } catch (final PCJStorageException e) {
        throw new RyaClientException("Could not drop the PCJ's table from Accumulo.", e);
    }
}

Example 10 with InstanceDoesNotExistException

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

the class MongoExecuteSparqlQuery 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;
    SailRepositoryConnection sailRepoConn = null;
    try {
        // Get a Sail object that is connected to the Rya instance.
        final MongoDBRdfConfiguration ryaConf = connectionDetails.build(ryaInstanceName);
        sail = RyaSailFactory.getInstance(ryaConf);
        final SailRepository 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 long end = System.currentTimeMillis();
        // Format and return the result of the query.
        final String queryResult = new String(baos.toByteArray(), StandardCharsets.UTF_8);
        final String queryDuration = new DecimalFormat("0.0##").format((end - start) / 1000.0);
        return "Query Result:\n" + queryResult + "Retrieved " + handler.getCount() + " results in " + queryDuration + " seconds.";
    } catch (SailException | RyaDAOException | InferenceEngineException | AccumuloException | AccumuloSecurityException e) {
        throw new RyaClientException("Could not create the Sail object used to query the RYA instance.", e);
    } catch (final MalformedQueryException | QueryEvaluationException | TupleQueryResultHandlerException | RepositoryException e) {
        throw new RyaClientException("Could not execute the SPARQL query.", e);
    } finally {
        // Close the resources that were opened.
        if (sailRepoConn != null) {
            try {
                sailRepoConn.close();
            } catch (final RepositoryException e) {
                log.error("Couldn't close the SailRepositoryConnection object.", e);
            }
        }
        if (sail != null) {
            try {
                sail.shutDown();
            } catch (final SailException e) {
                log.error("Couldn't close the Sail object.", e);
            }
        }
    }
}