How to use

createEpochReceiver

method

in

com.microsoft.azure.eventhubs.EventHubClient

/**
 * Synchronous version of {@link #createEpochReceiver(String, String, EventPosition, long)}.
 *
 * @param consumerGroupName the consumer group name that this receiver should be grouped under.
 * @param partitionId       the partition Id that the receiver belongs to. All data received will be from this partition only.
 * @param eventPosition     the position to start receiving the events from. See {@link EventPosition}
 * @param epoch             an unique identifier (epoch value) that the service uses, to enforce partition/lease ownership.
 * @return PartitionReceiver instance which can be used for receiving {@link EventData}.
 * @throws EventHubException if Service Bus service encountered problems during the operation.
 */
default PartitionReceiver createEpochReceiverSync(final String consumerGroupName, final String partitionId, final EventPosition eventPosition, final long epoch) throws EventHubException {
  return ExceptionUtil.sync(() -> this.createEpochReceiver(consumerGroupName, partitionId, eventPosition, epoch).get());
}

/**
 * Synchronous version of {@link #createEpochReceiver(String, String, EventPosition, long)}.
 *
 * @param consumerGroupName the consumer group name that this receiver should be grouped under.
 * @param partitionId       the partition Id that the receiver belongs to. All data received will be from this partition only.
 * @param eventPosition     the position to start receiving the events from. See {@link EventPosition}
 * @param epoch             an unique identifier (epoch value) that the service uses, to enforce partition/lease ownership.
 * @param receiverOptions   the set of options to enable on the event hubs receiver
 * @return PartitionReceiver instance which can be used for receiving {@link EventData}.
 * @throws EventHubException if Service Bus service encountered problems during the operation.
 */
default PartitionReceiver createEpochReceiverSync(final String consumerGroupName, final String partitionId, final EventPosition eventPosition, final long epoch, final ReceiverOptions receiverOptions) throws EventHubException {
  return ExceptionUtil.sync(() -> this.createEpochReceiver(consumerGroupName, partitionId, eventPosition, epoch, receiverOptions).get());
}

options.setPrefetchCount(this.hostContext.getEventProcessorOptions().getPrefetchCount());
receiverFuture = this.eventHubClient.createEpochReceiver(this.partitionContext.getConsumerGroupName(),
    this.partitionContext.getPartitionId(), startAt, epoch, options);
this.internalOperationFuture = receiverFuture;