/// <summary>
/// Initializes a new instance of the <see cref="AmqpConsumer"/> class.
/// </summary>
///
/// <param name="eventHubName">The name of the Event Hub from which events will be consumed.</param>
/// <param name="consumerGroup">The name of the consumer group this consumer is associated with. Events are read in the context of this group.</param>
/// <param name="partitionId">The identifier of the Event Hub partition from which events will be received.</param>
/// <param name="eventPosition">The position of the event in the partition where the consumer should begin reading.</param>
/// <param name="prefetchCount">Controls the number of events received and queued locally without regard to whether an operation was requested. If <c>null</c> a default will be used.</param>
/// <param name="ownerLevel">The relative priority to associate with the link; for a non-exclusive link, this value should be <c>null</c>.</param>
/// <param name="trackLastEnqueuedEventProperties">Indicates whether information on the last enqueued event on the partition is sent as events are received.</param>
/// <param name="connectionScope">The AMQP connection context for operations .</param>
/// <param name="messageConverter">The converter to use for translating between AMQP messages and client types.</param>
/// <param name="retryPolicy">The retry policy to consider when an operation fails.</param>
///
/// <remarks>
/// As an internal type, this class performs only basic sanity checks against its arguments. It
/// is assumed that callers are trusted and have performed deep validation.
///
/// Any parameters passed are assumed to be owned by this instance and safe to mutate or dispose;
/// creation of clones or otherwise protecting the parameters is assumed to be the purview of the
/// caller.
/// </remarks>
///
public AmqpConsumer(string eventHubName,
string consumerGroup,
string partitionId,
EventPosition eventPosition,
bool trackLastEnqueuedEventProperties,
long?ownerLevel,
uint?prefetchCount,
AmqpConnectionScope connectionScope,
AmqpMessageConverter messageConverter,
EventHubsRetryPolicy retryPolicy)
{
Argument.AssertNotNullOrEmpty(eventHubName, nameof(eventHubName));
Argument.AssertNotNullOrEmpty(consumerGroup, nameof(consumerGroup));
Argument.AssertNotNullOrEmpty(partitionId, nameof(partitionId));
Argument.AssertNotNull(connectionScope, nameof(connectionScope));
Argument.AssertNotNull(messageConverter, nameof(messageConverter));
Argument.AssertNotNull(retryPolicy, nameof(retryPolicy));
EventHubName = eventHubName;
ConsumerGroup = consumerGroup;
PartitionId = partitionId;
CurrentEventPosition = eventPosition;
TrackLastEnqueuedEventProperties = trackLastEnqueuedEventProperties;
ConnectionScope = connectionScope;
RetryPolicy = retryPolicy;
MessageConverter = messageConverter;
ReceiveLink = new FaultTolerantAmqpObject <ReceivingAmqpLink>(
timeout =>
ConnectionScope.OpenConsumerLinkAsync(
consumerGroup,
partitionId,
CurrentEventPosition,
timeout,
prefetchCount ?? DefaultPrefetchCount,
ownerLevel,
trackLastEnqueuedEventProperties,
CancellationToken.None),
link =>
{
link.Session?.SafeClose();
link.SafeClose();
});
}
/// <summary>
/// Initializes a new instance of the <see cref="AmqpEventHubConsumer"/> class.
/// </summary>
///
/// <param name="consumerGroup">The name of the consumer group this consumer is associated with. Events are read in the context of this group.</param>
/// <param name="partitionId">The identifier of the Event Hub partition from which events will be received.</param>
/// <param name="consumerOptions">The set of active options for the consumer that will make use of the link.</param>
/// <param name="eventPosition">The position of the event in the partition where the consumer should begin reading.</param>
/// <param name="connectionScope">The AMQP connection context for operations .</param>
/// <param name="messageConverter">The converter to use for translating between AMQP messages and client types.</param>
/// <param name="retryPolicy">The retry policy to consider when an operation fails.</param>
/// <param name="lastEnqueuedEventProperties">The set of properties for the last event enqueued in a partition; if not requested in the consumer options, it is expected that this is <c>null</c>.</param>
///
/// <remarks>
/// As an internal type, this class performs only basic sanity checks against its arguments. It
/// is assumed that callers are trusted and have performed deep validation.
///
/// Any parameters passed are assumed to be owned by this instance and safe to mutate or dispose;
/// creation of clones or otherwise protecting the parameters is assumed to be the purview of the
/// caller.
/// </remarks>
///
public AmqpEventHubConsumer(string consumerGroup,
string partitionId,
EventPosition eventPosition,
EventHubConsumerOptions consumerOptions,
AmqpConnectionScope connectionScope,
AmqpMessageConverter messageConverter,
EventHubRetryPolicy retryPolicy,
LastEnqueuedEventProperties lastEnqueuedEventProperties) : base(lastEnqueuedEventProperties)
{
Argument.AssertNotNullOrEmpty(consumerGroup, nameof(consumerGroup));
Argument.AssertNotNullOrEmpty(partitionId, nameof(partitionId));
Argument.AssertNotNull(connectionScope, nameof(connectionScope));
Argument.AssertNotNull(messageConverter, nameof(messageConverter));
Argument.AssertNotNull(retryPolicy, nameof(retryPolicy));
ConnectionScope = connectionScope;
MessageConverter = messageConverter;
ReceiveLink = new FaultTolerantAmqpObject <ReceivingAmqpLink>(timeout => ConnectionScope.OpenConsumerLinkAsync(consumerGroup, partitionId, eventPosition, consumerOptions, timeout, CancellationToken.None), link => link.SafeClose());
_retryPolicy = retryPolicy;
_tryTimeout = retryPolicy.CalculateTryTimeout(0);
}
/// <summary>
/// Initializes a new instance of the <see cref="AmqpConsumer"/> class.
/// </summary>
///
/// <param name="eventHubName">The name of the Event Hub from which events will be consumed.</param>
/// <param name="consumerGroup">The name of the consumer group this consumer is associated with. Events are read in the context of this group.</param>
/// <param name="partitionId">The identifier of the Event Hub partition from which events will be received.</param>
/// <param name="consumerOptions">The set of active options for the consumer that will make use of the link.</param>
/// <param name="eventPosition">The position of the event in the partition where the consumer should begin reading.</param>
/// <param name="connectionScope">The AMQP connection context for operations .</param>
/// <param name="messageConverter">The converter to use for translating between AMQP messages and client types.</param>
/// <param name="retryPolicy">The retry policy to consider when an operation fails.</param>
///
/// <remarks>
/// As an internal type, this class performs only basic sanity checks against its arguments. It
/// is assumed that callers are trusted and have performed deep validation.
///
/// Any parameters passed are assumed to be owned by this instance and safe to mutate or dispose;
/// creation of clones or otherwise protecting the parameters is assumed to be the purview of the
/// caller.
/// </remarks>
///
public AmqpConsumer(string eventHubName,
string consumerGroup,
string partitionId,
EventPosition eventPosition,
EventHubConsumerClientOptions consumerOptions,
AmqpConnectionScope connectionScope,
AmqpMessageConverter messageConverter,
EventHubsRetryPolicy retryPolicy)
{
Argument.AssertNotNullOrEmpty(eventHubName, nameof(eventHubName));
Argument.AssertNotNullOrEmpty(consumerGroup, nameof(consumerGroup));
Argument.AssertNotNullOrEmpty(partitionId, nameof(partitionId));
Argument.AssertNotNull(consumerOptions, nameof(EventHubConsumerClientOptions));
Argument.AssertNotNull(connectionScope, nameof(connectionScope));
Argument.AssertNotNull(messageConverter, nameof(messageConverter));
Argument.AssertNotNull(retryPolicy, nameof(retryPolicy));
EventHubName = eventHubName;
ConsumerGroup = consumerGroup;
PartitionId = partitionId;
Options = consumerOptions;
ConnectionScope = connectionScope;
RetryPolicy = retryPolicy;
MessageConverter = messageConverter;
ReceiveLink = new FaultTolerantAmqpObject <ReceivingAmqpLink>(timeout => ConnectionScope.OpenConsumerLinkAsync(consumerGroup, partitionId, eventPosition, consumerOptions, timeout, CancellationToken.None), link => link.SafeClose());
}