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mirror of synced 2024-11-16 23:03:50 +00:00
Tapeti/Tapeti/Config/IMessageContext.cs

64 lines
2.1 KiB
C#

using System;
namespace Tapeti.Config
{
/// <inheritdoc />
/// <summary>
/// Provides information about the message currently being handled.
/// </summary>
public interface IMessageContext : IDisposable
{
/// <summary>
/// Provides access to the Tapeti config.
/// </summary>
ITapetiConfig Config { get; }
/// <summary>
/// Contains the name of the queue the message was consumed from.
/// </summary>
string Queue { get; }
/// <summary>
/// Contains the exchange to which the message was published.
/// </summary>
string Exchange { get; }
/// <summary>
/// Contains the routing key as provided when the message was published.
/// </summary>
string RoutingKey { get; }
/// <summary>
/// Contains the decoded message instance.
/// </summary>
object Message { get; }
/// <summary>
/// Provides access to the message metadata.
/// </summary>
IMessageProperties Properties { get; }
/// <remarks>
/// Provides access to the binding which is currently processing the message.
/// </remarks>
IBinding Binding { get; }
/// <summary>
/// Stores a key-value pair in the context for passing information between the various
/// middleware stages (mostly for IControllerMiddlewareBase descendants).
/// </summary>
/// <param name="key">A unique key. It is recommended to prefix it with the package name which hosts the middleware to prevent conflicts</param>
/// <param name="value">Will be disposed if the value implements IDisposable</param>
void Store(string key, object value);
/// <summary>
/// Retrieves a previously stored value.
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <returns>True if the value was found, False otherwise</returns>
bool Get<T>(string key, out T value) where T : class;
}
}