How to use

create

method

in

com.microsoft.azure.eventhubs.EventHubClient

/**
 * Factory method to create an instance of {@link EventHubClient} using the supplied connectionString.
 * In a normal scenario (when re-direct is not enabled) - one EventHubClient instance maps to one Connection to the Azure ServiceBus EventHubs service.
 * <p>The {@link EventHubClient} created from this method creates a Sender instance internally, which is used by the {@link #send(EventData)} methods.
 *
 * @param connectionString The connection string to be used. See {@link ConnectionStringBuilder} to construct a connectionString.
 * @param executor         An {@link ScheduledExecutorService} to run all tasks performed by {@link EventHubClient}.
 * @return CompletableFuture{@literal <EventHubClient>} which can be used to create Senders and Receivers to EventHub
 * @throws EventHubException If Service Bus service encountered problems during connection creation.
 * @throws IOException       If the underlying Proton-J layer encounter network errors.
 */
static CompletableFuture<EventHubClient> create(final String connectionString, final ScheduledExecutorService executor)
    throws EventHubException, IOException {
  return EventHubClient.create(connectionString, null, executor);
}

  startOpeningFuture = EventHubClient.create(this.hostContext.getEventHubConnectionString(),
      this.hostContext.getRetryPolicy(), this.hostContext.getExecutor());
} catch (EventHubException | IOException e2) {

/**
 * Synchronous version of {@link #create(String, ScheduledExecutorService)}.
 *
 * @param connectionString The connection string to be used. See {@link ConnectionStringBuilder} to construct a connectionString.
 * @param retryPolicy      A custom {@link RetryPolicy} to be used when communicating with EventHub.
 * @param executor         An {@link ScheduledExecutorService} to run all tasks performed by {@link EventHubClient}.
 * @return EventHubClient which can be used to create Senders and Receivers to EventHub
 * @throws EventHubException If Service Bus service encountered problems during connection creation.
 * @throws IOException       If the underlying Proton-J layer encounter network errors.
 */
static EventHubClient createSync(final String connectionString, final RetryPolicy retryPolicy, final ScheduledExecutorService executor)
    throws EventHubException, IOException {
  return ExceptionUtil.syncWithIOException(() -> create(connectionString, retryPolicy, executor).get());
}

retval = EventHubClient.create(this.hostContext.getEventHubConnectionString(), this.hostContext.getRetryPolicy(), this.hostContext.getExecutor())