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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Diagnostics.CodeAnalysis;
using System.Runtime.CompilerServices;
using System.Text.Json;
using Aspire.Hosting.ApplicationModel;
using Azure.Provisioning;
namespace Aspire.Hosting.Azure;
/// <summary>
/// Represents an Azure Event Hub Consumer Group.
/// Initializes a new instance of the <see cref="AzureEventHubConsumerGroupResource"/> class.
/// </summary>
/// <remarks>
/// Use <see cref="AzureProvisioningResourceExtensions.ConfigureInfrastructure{T}(ApplicationModel.IResourceBuilder{T}, Action{AzureResourceInfrastructure})"/> to configure specific <see cref="Azure.Provisioning"/> properties.
/// </remarks>
public class AzureEventHubConsumerGroupResource(string name, string consumerGroupName, AzureEventHubResource parent)
: Resource(name), IResourceWithParent<AzureEventHubResource>, IResourceWithConnectionString, IResourceWithAzureFunctionsConfig
{
/// <summary>
/// The event hub consumer group name.
/// </summary>
public string ConsumerGroupName { get; set; } = ThrowIfNullOrEmpty(consumerGroupName);
/// <summary>
/// Gets the parent Azure Event Hub resource.
/// </summary>
public AzureEventHubResource Parent { get; } = parent ?? throw new ArgumentNullException(nameof(parent));
/// <summary>
/// Gets the connection string expression for the Azure Event Hub Consumer Group.
/// </summary>
public ReferenceExpression ConnectionStringExpression => Parent.Parent.GetConnectionString(Parent.HubName, ConsumerGroupName);
void IResourceWithAzureFunctionsConfig.ApplyAzureFunctionsConfiguration(IDictionary<string, object> target, string connectionName)
{
Parent.Parent.ApplyAzureFunctionsConfiguration(target, connectionName, Parent.HubName, ConsumerGroupName);
}
/// <summary>
/// Converts the current instance to a provisioning entity.
/// </summary>
/// <returns>A <see cref="global::Azure.Provisioning.EventHubs.EventHub"/> instance.</returns>
internal global::Azure.Provisioning.EventHubs.EventHubsConsumerGroup ToProvisioningEntity()
{
var consumerGroup = new global::Azure.Provisioning.EventHubs.EventHubsConsumerGroup(Infrastructure.NormalizeBicepIdentifier(Name));
consumerGroup.Name = ConsumerGroupName;
return consumerGroup;
}
/// <summary>
/// Converts the current instance to a JSON object.
/// </summary>
/// <param name="writer">The Utf8JsonWriter to write the JSON object to.</param>
internal void WriteJsonObjectProperties(Utf8JsonWriter writer)
{
writer.WriteString(nameof(Name), ConsumerGroupName);
}
private static string ThrowIfNullOrEmpty([NotNull] string? argument, [CallerArgumentExpression(nameof(argument))] string? paramName = null)
{
ArgumentException.ThrowIfNullOrEmpty(argument, paramName);
return argument;
}
}
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