/// <summary>
/// Initializes a new instance of the <see cref="AmqpProducer"/> class.
/// </summary>
///
/// <param name="eventHubName">The name of the Event Hub to which events will be published.</param>
/// <param name="partitionId">The identifier of the Event Hub partition to which it is bound; if unbound, <c>null</c>.</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="requestedFeatures">The flags specifying the set of special transport features that should be opted-into.</param>
/// <param name="partitionOptions">The set of options, if any, that should be considered when initializing the producer.</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 AmqpProducer(string eventHubName,
string partitionId,
AmqpConnectionScope connectionScope,
AmqpMessageConverter messageConverter,
EventHubsRetryPolicy retryPolicy,
TransportProducerFeatures requestedFeatures = TransportProducerFeatures.None,
PartitionPublishingOptions partitionOptions = null)
{
Argument.AssertNotNullOrEmpty(eventHubName, nameof(eventHubName));
Argument.AssertNotNull(connectionScope, nameof(connectionScope));
Argument.AssertNotNull(messageConverter, nameof(messageConverter));
Argument.AssertNotNull(retryPolicy, nameof(retryPolicy));
EventHubName = eventHubName;
PartitionId = partitionId;
RetryPolicy = retryPolicy;
ConnectionScope = connectionScope;
MessageConverter = messageConverter;
ActiveFeatures = requestedFeatures;
ActiveOptions = partitionOptions?.Clone() ?? new PartitionPublishingOptions();
SendLink = new FaultTolerantAmqpObject <SendingAmqpLink>(
timeout => CreateLinkAndEnsureProducerStateAsync(partitionId, ActiveOptions, timeout, CancellationToken.None),
link =>
{
link.Session?.SafeClose();
link.SafeClose();
});
}
public void CloneProducesACopy()
{
var options = new PartitionPublishingOptions
{
OwnerLevel = 3,
ProducerGroupId = 99,
StartingSequenceNumber = 42
};
var clone = options.Clone();
Assert.That(clone, Is.Not.Null, "The clone should not be null.");
Assert.That(clone.OwnerLevel, Is.EqualTo(options.OwnerLevel), "The owner level should have been copied.");
Assert.That(clone.ProducerGroupId, Is.EqualTo(options.ProducerGroupId), "The producer group identifier should have been copied.");
Assert.That(clone.StartingSequenceNumber, Is.EqualTo(options.StartingSequenceNumber), "The starting sequence number should have been copied.");
}
/// <summary>
/// Initializes a new instance of the <see cref="AmqpProducer"/> class.
/// </summary>
///
/// <param name="eventHubName">The name of the Event Hub to which events will be published.</param>
/// <param name="partitionId">The identifier of the Event Hub partition to which it is bound; if unbound, <c>null</c>.</param>
/// <param name="producerIdentifier">The identifier to associate with the consumer; if <c>null</c> or <see cref="string.Empty" />, a random identifier will be generated.</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="requestedFeatures">The flags specifying the set of special transport features that should be opted-into.</param>
/// <param name="partitionOptions">The set of options, if any, that should be considered when initializing the producer.</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 AmqpProducer(string eventHubName,
string partitionId,
string producerIdentifier,
AmqpConnectionScope connectionScope,
AmqpMessageConverter messageConverter,
EventHubsRetryPolicy retryPolicy,
TransportProducerFeatures requestedFeatures = TransportProducerFeatures.None,
PartitionPublishingOptions partitionOptions = null)
{
Argument.AssertNotNullOrEmpty(eventHubName, nameof(eventHubName));
Argument.AssertNotNull(connectionScope, nameof(connectionScope));
Argument.AssertNotNull(messageConverter, nameof(messageConverter));
Argument.AssertNotNull(retryPolicy, nameof(retryPolicy));
if (string.IsNullOrEmpty(producerIdentifier))
{
producerIdentifier = Guid.NewGuid().ToString();
}
EventHubName = eventHubName;
PartitionId = partitionId;
Identifier = producerIdentifier;
RetryPolicy = retryPolicy;
ConnectionScope = connectionScope;
MessageConverter = messageConverter;
ActiveFeatures = requestedFeatures;
ActiveOptions = partitionOptions?.Clone() ?? new PartitionPublishingOptions();
SendLink = new FaultTolerantAmqpObject <SendingAmqpLink>(
timeout => CreateLinkAndEnsureProducerStateAsync(partitionId, producerIdentifier, ActiveOptions, timeout, CancellationToken.None),
link =>
{
link.Session?.SafeClose();
link.SafeClose();
EventHubsEventSource.Log.FaultTolerantAmqpObjectClose(nameof(SendingAmqpLink), "", EventHubName, "", PartitionId, link.TerminalException?.Message);
});
}