Examples with KafkaFlowExecutor io.kestra.runner.kafka.KafkaFlowExecutor used on opensource projects

Example 1 with KafkaFlowExecutor

use of io.kestra.runner.kafka.KafkaFlowExecutor in project kestra by kestra-io.

the class ExecutorFlowTrigger method topology.

public StreamsBuilder topology() {
    StreamsBuilder builder = new KafkaStreamsBuilder();
    // trigger
    builder.addStateStore(Stores.keyValueStoreBuilder(Stores.persistentKeyValueStore(TRIGGER_MULTIPLE_STATE_STORE_NAME), Serdes.String(), JsonSerde.of(MultipleConditionWindow.class)));
    KStream<String, io.kestra.runner.kafka.streams.ExecutorFlowTrigger> stream = builder.stream(kafkaAdminService.getTopicName(io.kestra.runner.kafka.streams.ExecutorFlowTrigger.class), Consumed.with(Serdes.String(), JsonSerde.of(io.kestra.runner.kafka.streams.ExecutorFlowTrigger.class)).withName("KStream.ExecutorFlowTrigger")).filter((key, value) -> value != null, Named.as("ExecutorFlowTrigger.filterNotNull"));
    stream.transformValues(() -> new FlowTriggerWithExecutionTransformer(TRIGGER_MULTIPLE_STATE_STORE_NAME, kafkaFlowExecutor, flowService), Named.as("ExecutorFlowTrigger.transformToExecutionList"), TRIGGER_MULTIPLE_STATE_STORE_NAME).flatMap((key, value) -> value.stream().map(execution -> new KeyValue<>(execution.getId(), execution)).collect(Collectors.toList()), Named.as("ExecutorFlowTrigger.flapMapToExecution")).to(kafkaAdminService.getTopicName(Execution.class), Produced.with(Serdes.String(), JsonSerde.of(Execution.class)).withName("ExecutorFlowTrigger.toExecution"));
    stream.mapValues((readOnlyKey, value) -> (io.kestra.runner.kafka.streams.ExecutorFlowTrigger) null, Named.as("ExecutorFlowTrigger.executorFlowTriggerToNull")).to(kafkaAdminService.getTopicName(io.kestra.runner.kafka.streams.ExecutorFlowTrigger.class), Produced.with(Serdes.String(), JsonSerde.of(io.kestra.runner.kafka.streams.ExecutorFlowTrigger.class)).withName("ExecutorFlowTrigger.toExecutorFlowTrigger"));
    return builder;
}