Examples with LongAccumulator com.hazelcast.jet.accumulator.LongAccumulator used on opensource projects

Example 26 with LongAccumulator

use of com.hazelcast.jet.accumulator.LongAccumulator in project hazelcast by hazelcast.

the class PostgresCdcListenBeforeExistsIntegrationTest method pipeline.

private Pipeline pipeline(StreamSource<ChangeRecord> source) {
    Pipeline pipeline = Pipeline.create();
    pipeline.readFrom(source).withNativeTimestamps(0).<ChangeRecord>customTransform("filter_timestamps", filterTimestampsProcessorSupplier()).setLocalParallelism(1).groupingKey(record -> (Integer) record.key().toMap().get("id")).mapStateful(LongAccumulator::new, (accumulator, rowId, record) -> {
        long count = accumulator.get();
        accumulator.add(1);
        Operation operation = record.operation();
        RecordPart value = record.value();
        TableRow row = value.toObject(TableRow.class);
        return entry(rowId + "/" + count, operation + ":" + row);
    }).setLocalParallelism(1).peek().writeTo(Sinks.map(SINK_MAP_NAME));
    return pipeline;
}

Example 27 with LongAccumulator

use of com.hazelcast.jet.accumulator.LongAccumulator in project hazelcast by hazelcast.

the class PostgresCdcIntegrationTest method ordersPipeline.

@Nonnull
private Pipeline ordersPipeline() {
    Pipeline pipeline = Pipeline.create();
    pipeline.readFrom(source("orders")).withoutTimestamps().groupingKey(PostgresCdcIntegrationTest::getOrderNumber).mapStateful(LongAccumulator::new, (accumulator, orderId, record) -> {
        long count = accumulator.get();
        accumulator.add(1);
        Operation operation = record.operation();
        RecordPart value = record.value();
        Order order = value.toObject(Order.class);
        return entry(orderId + "/" + count, operation + ":" + order);
    }).setLocalParallelism(1).writeTo(Sinks.map("results"));
    return pipeline;
}

Example 28 with LongAccumulator

use of com.hazelcast.jet.accumulator.LongAccumulator in project hazelcast by hazelcast.

the class DebeziumCdcIntegrationTest method mysql.

@Test
public void mysql() throws Exception {
    Assume.assumeFalse("https://github.com/hazelcast/hazelcast-jet/issues/2623, " + "https://github.com/hazelcast/hazelcast/issues/18800", System.getProperty("java.version").matches("^1[56].*"));
    MySQLContainer<?> container = mySqlContainer();
    try {
        container.start();
        // given
        List<String> expectedRecords = Arrays.asList("1001/0:INSERT:Customer {id=1001, firstName=Sally, lastName=Thomas, email=sally.thomas@acme.com}", "1002/0:INSERT:Customer {id=1002, firstName=George, lastName=Bailey, email=gbailey@foobar.com}", "1003/0:INSERT:Customer {id=1003, firstName=Edward, lastName=Walker, email=ed@walker.com}", "1004/0:INSERT:Customer {id=1004, firstName=Anne, lastName=Kretchmar, email=annek@noanswer.org}", "1004/1:UPDATE:Customer {id=1004, firstName=Anne Marie, lastName=Kretchmar, email=annek@noanswer.org}", "1005/0:INSERT:Customer {id=1005, firstName=Jason, lastName=Bourne, email=jason@bourne.org}", "1005/1:DELETE:Customer {id=1005, firstName=Jason, lastName=Bourne, email=jason@bourne.org}");
        StreamSource<ChangeRecord> source = mySqlSource(container);
        Pipeline pipeline = Pipeline.create();
        pipeline.readFrom(source).withNativeTimestamps(0).<ChangeRecord>customTransform("filter_timestamps", filterTimestampsProcessorSupplier()).groupingKey(record -> (Integer) record.key().toMap().get("id")).mapStateful(LongAccumulator::new, (accumulator, customerId, record) -> {
            long count = accumulator.get();
            accumulator.add(1);
            Operation operation = record.operation();
            RecordPart value = record.value();
            Customer customer = value.toObject(Customer.class);
            return entry(customerId + "/" + count, operation + ":" + customer);
        }).setLocalParallelism(1).writeTo(Sinks.map("results"));
        // when
        HazelcastInstance hz = createHazelcastInstances(2)[0];
        Job job = hz.getJet().newJob(pipeline);
        // then
        assertEqualsEventually(() -> hz.getMap("results").size(), 4);
        // when
        try (Connection connection = getMySqlConnection(container.withDatabaseName("inventory").getJdbcUrl(), container.getUsername(), container.getPassword())) {
            Statement statement = connection.createStatement();
            statement.addBatch("UPDATE customers SET first_name='Anne Marie' WHERE id=1004");
            statement.addBatch("INSERT INTO customers VALUES (1005, 'Jason', 'Bourne', 'jason@bourne.org')");
            statement.addBatch("DELETE FROM customers WHERE id=1005");
            statement.executeBatch();
        }
        // then
        try {
            assertEqualsEventually(() -> mapResultsToSortedList(hz.getMap("results")), expectedRecords);
        } finally {
            job.cancel();
            assertJobStatusEventually(job, JobStatus.FAILED);
        }
    } finally {
        container.stop();
    }
}

Example 29 with LongAccumulator

use of com.hazelcast.jet.accumulator.LongAccumulator in project hazelcast by hazelcast.

the class MySqlCdcListenBeforeExistIntegrationTest method pipeline.

private Pipeline pipeline(StreamSource<ChangeRecord> source) {
    Pipeline pipeline = Pipeline.create();
    pipeline.readFrom(source).withNativeTimestamps(0).<ChangeRecord>customTransform("filter_timestamps", filterTimestampsProcessorSupplier()).setLocalParallelism(1).groupingKey(record -> (Integer) record.key().toMap().get("id")).mapStateful(LongAccumulator::new, (accumulator, rowId, record) -> {
        long count = accumulator.get();
        accumulator.add(1);
        Operation operation = record.operation();
        RecordPart value = record.value();
        TableRow row = value.toObject(TableRow.class);
        return entry(rowId + "/" + count, operation + ":" + row);
    }).setLocalParallelism(1).peek().writeTo(Sinks.map(SINK_MAP_NAME));
    return pipeline;
}

Example 30 with LongAccumulator

use of com.hazelcast.jet.accumulator.LongAccumulator in project hazelcast by hazelcast.

the class MySqlCdcWhiteBlackListIntegrationTest method pipeline.

private Pipeline pipeline(StreamSource<ChangeRecord> source) {
    Pipeline pipeline = Pipeline.create();
    pipeline.readFrom(source).withNativeTimestamps(0).filter(t -> t.database().startsWith(DB_PREFIX)).setLocalParallelism(1).<ChangeRecord>customTransform("filter_timestamps", filterTimestampsProcessorSupplier()).setLocalParallelism(1).groupingKey(record -> (Integer) record.key().toMap().get("id")).mapStateful(LongAccumulator::new, (accumulator, rowId, record) -> {
        long count = accumulator.get();
        accumulator.add(1);
        Operation operation = record.operation();
        RecordPart value = record.value();
        TableRow row = value.toObject(TableRow.class);
        return entry(rowId + "/" + count, operation + ":" + row);
    }).setLocalParallelism(1).writeTo(Sinks.map(SINK_MAP_NAME));
    return pipeline;
}