internal StreamTask GetTask(string topicName)
{
StreamTask task;
var id = builder.GetTaskIdFromPartition(new Confluent.Kafka.TopicPartition(topicName, 0));
if (tasks.ContainsKey(id))
{
task = tasks[id];
}
else
{
task = new StreamTask("thread-0",
id,
partitionsByTaskId[id],
builder.BuildTopology(id),
supplier.GetConsumer(configuration.ToConsumerConfig(), null),
configuration,
supplier,
producer);
task.InitializeStateStores();
task.InitializeTopology();
tasks.Add(id, task);
}
return(task);
}
internal StreamTask GetTask(string topicName)
{
StreamTask task = null;
var id = builder.GetTaskIdFromPartition(new Confluent.Kafka.TopicPartition(topicName, 0));
if (tasks.ContainsKey(id))
{
task = tasks[id];
}
else
{
if (!builder.GetGlobalTopics().Contains(topicName))
{
task = new StreamTask("thread-0",
id,
partitionsByTaskId[id],
builder.BuildTopology(id),
supplier.GetConsumer(configuration.ToConsumerConfig(), null),
configuration,
supplier,
producer,
new MockChangelogRegister(),
metricsRegistry);
task.InitializeStateStores();
task.InitializeTopology();
task.RestorationIfNeeded();
task.CompleteRestoration();
tasks.Add(id, task);
}
}
return(task);
}
public TaskSynchronousTopologyDriver(string clientId, InternalTopologyBuilder topologyBuilder, IStreamConfig configuration, IStreamConfig topicConfiguration, IKafkaSupplier supplier, CancellationToken token)
{
this.configuration = configuration;
this.configuration.ClientId = clientId;
this.topicConfiguration = topicConfiguration;
this.token = token;
builder = topologyBuilder;
this.supplier = supplier ?? new SyncKafkaSupplier();
producer = this.supplier.GetProducer(configuration.ToProducerConfig()) as SyncProducer;
foreach (var sourceTopic in builder.GetSourceTopics().Union(builder.GetGlobalTopics()))
{
var part = new TopicPartition(sourceTopic, 0);
var taskId = builder.GetTaskIdFromPartition(part);
if (partitionsByTaskId.ContainsKey(taskId))
{
partitionsByTaskId[taskId].Add(part);
}
else
{
partitionsByTaskId.Add(taskId, new List <TopicPartition> {
part
});
}
}
}
public TaskSynchronousTopologyDriver(string clientId, InternalTopologyBuilder topologyBuilder,
IStreamConfig configuration, IStreamConfig topicConfiguration, IKafkaSupplier supplier,
CancellationToken token)
{
this.configuration = configuration;
this.configuration.ClientId = clientId;
this.topicConfiguration = topicConfiguration;
metricsRegistry = new StreamMetricsRegistry(clientId, MetricsRecordingLevel.DEBUG);
this.token = token;
builder = topologyBuilder;
this.supplier = supplier ?? new SyncKafkaSupplier();
this.supplier.MetricsRegistry = metricsRegistry;
producer = this.supplier.GetProducer(configuration.ToProducerConfig()) as SyncProducer;
foreach (var sourceTopic in builder
.GetSourceTopics())
{
var part = new TopicPartition(sourceTopic, 0);
var taskId = builder.GetTaskIdFromPartition(part);
if (partitionsByTaskId.ContainsKey(taskId))
{
partitionsByTaskId[taskId].Add(part);
}
else
{
partitionsByTaskId.Add(taskId, new List <TopicPartition> {
part
});
}
}
ProcessorTopology globalTaskTopology = topologyBuilder.BuildGlobalStateTopology();
hasGlobalTopology = globalTaskTopology != null;
if (hasGlobalTopology)
{
var globalConsumer =
this.supplier.GetGlobalConsumer(configuration.ToGlobalConsumerConfig($"{clientId}-global-consumer"));
var adminClient = this.supplier.GetAdmin(configuration.ToAdminConfig($"{clientId}-admin"));
var stateManager =
new GlobalStateManager(globalConsumer, globalTaskTopology, adminClient, configuration);
globalProcessorContext = new GlobalProcessorContext(configuration, stateManager, metricsRegistry);
stateManager.SetGlobalProcessorContext(globalProcessorContext);
globalTask = new GlobalStateUpdateTask(stateManager, globalTaskTopology, globalProcessorContext);
globalTask.Initialize();
}
}