Examples with ConnectorFeature com.datastax.oss.dsbulk.connectors.api.ConnectorFeature used on opensource projects

Example 1 with ConnectorFeature

use of com.datastax.oss.dsbulk.connectors.api.ConnectorFeature in project dsbulk by datastax.

the class PrometheusEndToEndSimulacronIT method newConnectorDelegate.

@NonNull
private Connector newConnectorDelegate() {
    return new Connector() {

        @Override
        public int readConcurrency() {
            return 1;
        }

        @Override
        public boolean supports(@NonNull ConnectorFeature feature) {
            return feature == CommonConnectorFeature.INDEXED_RECORDS;
        }

        @NonNull
        @Override
        public Publisher<Publisher<Record>> read() {
            AtomicInteger counter = new AtomicInteger();
            AtomicBoolean running = new AtomicBoolean(true);
            return Flux.just(Flux.generate(sink -> {
                int i = counter.getAndAdd(1);
                if (i == 0) {
                    startTimer(running);
                }
                if (running.get()) {
                    Record record = RecordUtils.indexedCSV("pk", "pk" + 1, "cc", "cc" + 1, "v", "v" + 1);
                    sink.next(record);
                } else {
                    sink.complete();
                }
            }));
        }

        @NonNull
        @Override
        public RecordMetadata getRecordMetadata() {
            return (fieldType, cqlType) -> GenericType.STRING;
        }

        @NonNull
        @Override
        public Function<Publisher<Record>, Publisher<Record>> write() {
            throw new UnsupportedOperationException();
        }

        @Override
        public int writeConcurrency() {
            throw new UnsupportedOperationException();
        }
    };
}

Example 2 with ConnectorFeature

use of com.datastax.oss.dsbulk.connectors.api.ConnectorFeature in project dsbulk by datastax.

the class MockConnector method mockWrites.

/**
 * Sets up the mock connector to emulate writes; it will store all received records as if they
 * were written to an external sink. The "written" records will appear in the returned list.
 *
 * @return the list where "written" records will be stored.
 */
public static List<Record> mockWrites() {
    List<Record> records = new ArrayList<>();
    setDelegate(new Connector() {

        @Override
        public void init() {
        }

        @Override
        public void configure(@NonNull Config settings, boolean read, boolean retainRecordSources) {
        }

        @Override
        public int readConcurrency() {
            return -1;
        }

        @Override
        public int writeConcurrency() {
            return 1;
        }

        @Override
        public boolean supports(@NonNull ConnectorFeature feature) {
            return true;
        }

        @NonNull
        @Override
        public RecordMetadata getRecordMetadata() {
            return (field, cql) -> GenericType.STRING;
        }

        @NonNull
        @Override
        public Publisher<Publisher<Record>> read() {
            return Flux::just;
        }

        @NonNull
        @Override
        public Function<Publisher<Record>, Publisher<Record>> write() {
            return upstream -> Flux.from(upstream).doOnNext(records::add);
        }
    });
    return records;
}

Example 3 with ConnectorFeature

use of com.datastax.oss.dsbulk.connectors.api.ConnectorFeature in project dsbulk by datastax.

the class MockConnector method mockCountingWrites.

/**
 * Sets up the mock connector to emulate writes; it will acknowledge records as if they were
 * written to an external sink. The "written" records will be counted and the total number of
 * records "written" will be reflected in the returned AtomicInteger.
 *
 * @return a counter for the number of records "written".
 */
public static AtomicInteger mockCountingWrites() {
    AtomicInteger records = new AtomicInteger();
    setDelegate(new Connector() {

        @Override
        public void init() {
        }

        @Override
        public void configure(@NonNull Config settings, boolean read, boolean retainRecordSources) {
        }

        @Override
        public int readConcurrency() {
            return -1;
        }

        @Override
        public int writeConcurrency() {
            return 1;
        }

        @Override
        public boolean supports(@NonNull ConnectorFeature feature) {
            return true;
        }

        @NonNull
        @Override
        public RecordMetadata getRecordMetadata() {
            return (field, cql) -> GenericType.STRING;
        }

        @NonNull
        @Override
        public Publisher<Publisher<Record>> read() {
            return Flux::just;
        }

        @NonNull
        @Override
        public Function<Publisher<Record>, Publisher<Record>> write() {
            return upstream -> Flux.from(upstream).doOnNext(r -> records.incrementAndGet());
        }
    });
    return records;
}

Example 4 with ConnectorFeature

use of com.datastax.oss.dsbulk.connectors.api.ConnectorFeature in project dsbulk by datastax.

the class JsonEndToEndSimulacronIT method unload_write_error.

@Test
void unload_write_error() {
    Path file1 = unloadDir.resolve("output-000001.json");
    Path file2 = unloadDir.resolve("output-000002.json");
    Path file3 = unloadDir.resolve("output-000003.json");
    Path file4 = unloadDir.resolve("output-000004.json");
    MockConnector.setDelegate(new JsonConnector() {

        @Override
        public void configure(@NonNull Config settings, boolean read, boolean retainRecordSources) {
            settings = ConfigFactory.parseString("url = " + StringUtils.quoteJson(unloadDir) + ", maxConcurrentFiles = 4").withFallback(ConfigUtils.createReferenceConfig().getConfig("dsbulk.connector.json"));
            super.configure(settings, read, retainRecordSources);
        }

        @NonNull
        @Override
        public Function<Publisher<Record>, Publisher<Record>> write() {
            // will cause the write workers to fail because the files already exist
            try {
                Files.createFile(file1);
                Files.createFile(file2);
                Files.createFile(file3);
                Files.createFile(file4);
            } catch (IOException e) {
                throw new UncheckedIOException(e);
            }
            return super.write();
        }

        @Override
        public boolean supports(@NonNull ConnectorFeature feature) {
            return true;
        }
    });
    primeIpByCountryTable(simulacron);
    RequestPrime prime = createQueryWithResultSet(SELECT_FROM_IP_BY_COUNTRY, 10);
    simulacron.prime(new Prime(prime));
    String[] args = { "unload", "--connector.name", "mock", "--schema.keyspace", "ks1", "--schema.query", SELECT_FROM_IP_BY_COUNTRY, "--schema.mapping", IP_BY_COUNTRY_MAPPING_NAMED };
    ExitStatus status = new DataStaxBulkLoader(addCommonSettings(args)).run();
    assertStatus(status, STATUS_ABORTED_FATAL_ERROR);
    assertThat(stdErr.getStreamAsString()).contains("failed").containsPattern("output-00000[1-4].json");
    assertThat(logs.getAllMessagesAsString()).contains("failed").containsPattern("output-00000[1-4].json");
}