46 lines
2.0 KiB
C#
46 lines
2.0 KiB
C#
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using Umbraco.Core.Composing;
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namespace Umbraco.Core
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{
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/// <summary>
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/// Provides extension methods to the <see cref="IContainer"/> class.
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/// </summary>
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public static class ContainerExtensions
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{
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/// <summary>
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/// Gets an instance.
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/// </summary>
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/// <typeparam name="T">The type of the instance.</typeparam>
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/// <param name="container">The container.</param>
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/// <returns>An instance of the specified type.</returns>
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/// <remarks>Throws an exception if the container failed to get an instance of the specified type.</remarks>
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public static T GetInstance<T>(this IContainer container)
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=> (T) container.GetInstance(typeof(T));
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/// <summary>
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/// Gets an instance with arguments.
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/// </summary>
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/// <typeparam name="T">The type of the instance.</typeparam>
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/// <param name="container">The container.</param>
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/// <param name="args">Arguments.</param>
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/// <returns>An instance of the specified type.</returns>
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/// <remarks>
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/// <para>Throws an exception if the container failed to get an instance of the specified type.</para>
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/// <para>The arguments are used as dependencies by the container.</para>
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/// </remarks>
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public static T GetInstance<T>(this IContainer container, object[] args)
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=> (T) container.GetInstance(typeof(T), args);
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/// <summary>
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/// Tries to get an instance.
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/// </summary>
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/// <typeparam name="T">The type of the instance.</typeparam>
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/// <returns>An instance of the specified type, or null.</returns>
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/// <remarks>Returns null if the container does not know how to get an instance
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/// of the specified type. Throws an exception if the container does know how
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/// to get an instance of the specified type, but failed to do so.</remarks>
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public static T TryGetInstance<T>(this IContainer container)
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=> (T) container.TryGetInstance(typeof(T));
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}
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}
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