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Stashbox is a lightweight, portable dependency injection framework for .NET based solutions.

Features

• Fluent interface - for faster and easier configuration, attributes also can be used.
• Interface/type mapping - single service, existing instance registration, remapping registrations also supported.
• Resolution via delegates - any number of parameters can be injected, they will be reused for subdenpendency resolution as well.
• Registering with name - multiple registration with the same service type, can be addressed at resolution time via attributes as well.
• Assembly registration - service lookup in assemblies, composition root implementations also supported.
• Factory registration - factories with several parameters can be registered.
• Multiple service resolution - all registered type of a service can be obtained as an IEnumerable<T> or IEnumerable<object> with the ResolveAll() method.
• Unknown type resolution - unregistered services can be resolved or injected.
• Default and optional value injection - primitive types or dependencies with default or optional value can be injected.
• Open generic type resolution - concrete generic types can be resolved from open generic definitions, constraint checking and nested generic definitions also supported.
• Constructor, property and field injection - supports attribute driven injection and auto injection as well, where there is no chance to decorate members with attributes.
• Injection method - methods decorated with InjectionMethod attribute will be called at resolution time.
• Wiring into container - member injection can be executed on existing instance with every resolve call.
• Building up existing instance - member injection can be executed on existing instance without registering it into the container.
• Child scopes - parent/child container support.
• Lifetime scopes - hierarchical/named scoping support.
• Lifetime management - including Singleton, Transient, Scoped, NamedScoped and PerResolutionRequest lifetime, custom user defined lifetimes also can be used.
• Conditional resolution - attribute, parent-type and custom user defined conditions can be specified.
• IDisposable object tracking - IDisposable objects are being disposed by the container.
• Cleanup delegates - custom delegate can be configured which'll be invoked when the container/scope is being disposed.
• Circular dependency tracking - the container checks the dependency graph for circular dependencies, specific excpetion will be thrown if found any.
• Special types - generic wrappers:
  • Collections: everything assignable to IEnumerable<T> e.g. T[], ICollection<T>, IReadOnlyCollection<T>, IList<T> etc.
  • Lazy<>, Func<>, Tuple<>
  • Parameter injection over factory method arguments e.g. Func<TParam, TService>, Func<TParam1, TParam2, TService>, etc. applied to subdependencies as well.
  • Nested wrappers e.g. Tuple<TService, IEnumerable<Func<TParam, Lazy<TService1>>>>.
• Custom resolvers - the existing resolution operations can be extended with custom resolvers.
• Container extensions - the functionality of the container can be extended with custom extensions, e.g. Decorator extension
• Custom configuration - the behavior of the container can be controlled with custom configurations.
• Container validation - the resolution graph can be validated by calling the Validate() function.
• Decorator support / Interception - service decorators can be registered into the container and also can used for interception with Castle DynamicProxy