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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 Aspire.Hosting.ApplicationModel;
namespace Aspire.Hosting.Azure;
/// <summary>
/// A resource that represents an Azure SQL database. This is a child resource of an <see cref="AzureSqlServerResource"/>.
/// </summary>
/// <param name="name">The name of the resource.</param>
/// <param name="databaseName">The database name.</param>
/// <param name="parent">The Azure SQL Database (server) parent resource associated with this database.</param>
public class AzureSqlDatabaseResource(string name, string databaseName, AzureSqlServerResource parent)
: Resource(ThrowIfNull(name)), IResourceWithParent<AzureSqlServerResource>, IResourceWithConnectionString
{
/// <summary>
/// Gets the parent Azure SQL Database (server) resource.
/// </summary>
public AzureSqlServerResource Parent { get; } = ThrowIfNull(parent);
/// <summary>
/// Gets the connection string expression for the Azure SQL database.
/// </summary>
public ReferenceExpression ConnectionStringExpression =>
ReferenceExpression.Create($"{Parent};Database={DatabaseName}");
/// <summary>
/// Gets the database name.
/// </summary>
public string DatabaseName { get; } = ThrowIfNull(databaseName);
/// <summary>
/// Gets the inner SqlServerDatabaseResource resource.
///
/// This is set when RunAsContainer is called on the AzureSqlServerResource resource to create a local SQL Server container.
/// </summary>
internal SqlServerDatabaseResource? InnerResource { get; private set; }
/// <inheritdoc />
public override ResourceAnnotationCollection Annotations => InnerResource?.Annotations ?? base.Annotations;
private static T ThrowIfNull<T>([NotNull] T? argument, [CallerArgumentExpression(nameof(argument))] string? paramName = null)
=> argument ?? throw new ArgumentNullException(paramName);
internal void SetInnerResource(SqlServerDatabaseResource innerResource)
{
// Copy the annotations to the inner resource before making it the inner resource
foreach (var annotation in Annotations)
{
innerResource.Annotations.Add(annotation);
}
InnerResource = innerResource;
}
}
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