Examples with StreamsContext com.ibm.streamsx.topology.context.StreamsContext used on opensource projects

Example 1 with StreamsContext

use of com.ibm.streamsx.topology.context.StreamsContext in project streamsx.kafka by IBMStreams.

the class KafkaOperatorsBlobTypeTest method kafkaBlobTypeTest.

@Test
public void kafkaBlobTypeTest() throws Exception {
    Topology topo = getTopology();
    StreamSchema schema = KafkaSPLStreamsUtils.BLOB_SCHEMA;
    // create the producer (produces tuples after a short delay)
    TStream<Blob> srcStream = topo.strings(Constants.STRING_DATA).transform(s -> ValueFactory.newBlob(s.getBytes())).modify(new Delay<>(5000));
    SPLStream splSrcStream = SPLStreams.convertStream(srcStream, new Converter(), schema);
    SPL.invokeSink(Constants.KafkaProducerOp, splSrcStream, getKafkaParams());
    // create the consumer
    SPLStream consumerStream = SPL.invokeSource(topo, Constants.KafkaConsumerOp, getKafkaParams(), schema);
    SPLStream msgStream = SPLStreams.stringToSPLStream(consumerStream.convert(t -> new String(t.getBlob("message").getData())));
    // test the output of the consumer
    StreamsContext<?> context = StreamsContextFactory.getStreamsContext(Type.DISTRIBUTED_TESTER);
    Tester tester = topo.getTester();
    Condition<List<String>> condition = KafkaSPLStreamsUtils.stringContentsUnordered(tester, msgStream, Constants.STRING_DATA);
    tester.complete(context, new HashMap<>(), condition, 30, TimeUnit.SECONDS);
    // check the results
    Assert.assertTrue(condition.getResult().size() > 0);
    Assert.assertTrue(condition.getResult().toString(), condition.valid());
}

Example 2 with StreamsContext

use of com.ibm.streamsx.topology.context.StreamsContext in project streamsx.kafka by IBMStreams.

the class KafkaOperatorsDoubleTypeTest method kafkaDoubleTypeTest.

@Test
public void kafkaDoubleTypeTest() throws Exception {
    Topology topo = getTopology();
    StreamSchema schema = KafkaSPLStreamsUtils.DOUBLE_SCHEMA;
    // create the producer (produces tuples after a short delay)
    TStream<Double> srcStream = topo.strings(DATA).transform(s -> Double.valueOf(s)).modify(new Delay<>(5000));
    SPLStream splSrcStream = SPLStreams.convertStream(srcStream, new Converter(), schema);
    SPL.invokeSink(Constants.KafkaProducerOp, splSrcStream, getKafkaParams());
    // create the consumer
    SPLStream consumerStream = SPL.invokeSource(topo, Constants.KafkaConsumerOp, getKafkaParams(), schema);
    SPLStream msgStream = SPLStreams.stringToSPLStream(consumerStream.convert(t -> String.valueOf(t.getDouble("message"))));
    // test the output of the consumer
    StreamsContext<?> context = StreamsContextFactory.getStreamsContext(Type.DISTRIBUTED_TESTER);
    Tester tester = topo.getTester();
    Condition<List<String>> condition = KafkaSPLStreamsUtils.stringContentsUnordered(tester, msgStream, DATA);
    tester.complete(context, new HashMap<>(), condition, 30, TimeUnit.SECONDS);
    // check the results
    Assert.assertTrue(condition.getResult().size() > 0);
    Assert.assertTrue(condition.getResult().toString(), condition.valid());
}

Example 3 with StreamsContext

use of com.ibm.streamsx.topology.context.StreamsContext in project streamsx.kafka by IBMStreams.

the class KafkaOperatorsFloatTypeTest method kafkaFloatTypeTest.

@Test
public void kafkaFloatTypeTest() throws Exception {
    Topology topo = getTopology();
    StreamSchema schema = KafkaSPLStreamsUtils.FLOAT_SCHEMA;
    // create the producer (produces tuples after a short delay)
    TStream<Float> srcStream = topo.strings(DATA).transform(s -> Float.valueOf(s)).modify(new Delay<>(5000));
    SPLStream splSrcStream = SPLStreams.convertStream(srcStream, new Converter(), schema);
    SPL.invokeSink(Constants.KafkaProducerOp, splSrcStream, getKafkaParams());
    // create the consumer
    SPLStream consumerStream = SPL.invokeSource(topo, Constants.KafkaConsumerOp, getKafkaParams(), schema);
    SPLStream msgStream = SPLStreams.stringToSPLStream(consumerStream.convert(t -> String.valueOf(t.getFloat("message"))));
    // test the output of the consumer
    StreamsContext<?> context = StreamsContextFactory.getStreamsContext(Type.DISTRIBUTED_TESTER);
    Tester tester = topo.getTester();
    Condition<List<String>> condition = KafkaSPLStreamsUtils.stringContentsUnordered(tester, msgStream, DATA);
    tester.complete(context, new HashMap<>(), condition, 30, TimeUnit.SECONDS);
    // check the results
    Assert.assertTrue(condition.getResult().size() > 0);
    Assert.assertTrue(condition.getResult().toString(), condition.valid());
}

Example 4 with StreamsContext

use of com.ibm.streamsx.topology.context.StreamsContext in project streamsx.kafka by IBMStreams.

the class KafkaOperatorsGreenThread method kafkaGreenThread.

@Test
public void kafkaGreenThread() throws Exception {
    Topology topo = getTopology();
    // create the producer (produces tuples after a short delay)
    TStream<String> stringSrcStream = topo.strings(Constants.STRING_DATA).modify(new Delay<>(5000));
    SPL.invokeSink(Constants.KafkaProducerOp, KafkaSPLStreamsUtils.convertStreamToKafkaTuple(stringSrcStream), getKafkaParams());
    // create the consumer
    SPLStream consumerStream = SPL.invokeSource(topo, Constants.KafkaConsumerOp, getKafkaParams(), KafkaSPLStreamsUtils.STRING_SCHEMA);
    SPLStream msgStream = SPLStreams.stringToSPLStream(consumerStream.convert(t -> t.getString("message")));
    // test the output of the consumer
    StreamsContext<?> context = StreamsContextFactory.getStreamsContext(Type.DISTRIBUTED_TESTER);
    Tester tester = topo.getTester();
    Condition<List<String>> condition = KafkaSPLStreamsUtils.stringContentsUnordered(tester, msgStream, Constants.STRING_DATA);
    tester.complete(context, new HashMap<>(), condition, 30, TimeUnit.SECONDS);
    // check the results
    Assert.assertTrue(condition.getResult().size() > 0);
    Assert.assertTrue(condition.getResult().toString(), condition.valid());
}

Example 5 with StreamsContext

use of com.ibm.streamsx.topology.context.StreamsContext in project streamsx.kafka by IBMStreams.

the class KafkaOperatorsLongTypeTest method kafkaLongTypeTest.

@Test
public void kafkaLongTypeTest() throws Exception {
    Topology topo = getTopology();
    StreamSchema schema = KafkaSPLStreamsUtils.LONG_SCHEMA;
    // create the producer (produces tuples after a short delay)
    TStream<Long> srcStream = topo.strings(DATA).transform(s -> Long.valueOf(s)).modify(new Delay<>(5000));
    SPLStream splSrcStream = SPLStreams.convertStream(srcStream, new Converter(), schema);
    SPL.invokeSink(Constants.KafkaProducerOp, splSrcStream, getKafkaParams());
    // create the consumer
    SPLStream consumerStream = SPL.invokeSource(topo, Constants.KafkaConsumerOp, getKafkaParams(), schema);
    SPLStream msgStream = SPLStreams.stringToSPLStream(consumerStream.convert(t -> String.valueOf(t.getLong("message"))));
    // test the output of the consumer
    StreamsContext<?> context = StreamsContextFactory.getStreamsContext(Type.DISTRIBUTED_TESTER);
    Tester tester = topo.getTester();
    Condition<List<String>> condition = KafkaSPLStreamsUtils.stringContentsUnordered(tester, msgStream, DATA);
    tester.complete(context, new HashMap<>(), condition, 30, TimeUnit.SECONDS);
    // check the results
    Assert.assertTrue(condition.getResult().size() > 0);
    Assert.assertTrue(condition.getResult().toString(), condition.valid());
}