/// <summary>
/// Determines whether the required dependency has been registered
/// </summary>
/// <typeparam name="TAbstract">Type of the singleton or dependency</typeparam>
/// <remarks>
/// Services will be loaded if exists in this order:
/// - Initialized singletons
/// - Uninitialized singletons
/// - Transients
/// </remarks>
public bool HasRequiredDependency(Type serviceType)
{
if (InitializedSingletons.ContainsKey(serviceType))
{
return(true);
}
else if (RegisteredSingletons.ContainsKey(serviceType))
{
return(true);
}
else if (RegisteredTransients.ContainsKey(serviceType))
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Gets a registered singleton or transient dependency, or null if the dependency could not be found
/// </summary>
/// <typeparam name="TAbstract">Type of the singleton or dependency</typeparam>
/// <remarks>
/// Services will be loaded if exists in this order:
/// - Initialized singletons
/// - Uninitialized singletons
/// - Transients
/// </remarks>
public object GetRequiredDependency(Type serviceType)
{
if (InitializedSingletons.ContainsKey(serviceType))
{
return(InitializedSingletons[serviceType]);
}
else if (RegisteredSingletons.ContainsKey(serviceType))
{
var instance = RegisteredSingletons[serviceType].Invoke(this);
InitializedSingletons.Add(serviceType, instance);
return(instance);
}
else if (RegisteredTransients.ContainsKey(serviceType))
{
return(RegisteredTransients[serviceType].Invoke(this));
}
else
{
return(null);
}
}
/// <summary>
/// Registers a type that can be provided to dynamically-created objects in their constructor, created every time it is requested.
/// </summary>
/// <typeparam name="T">Type to be provided to dynamically-created objects</typeparam>
/// <param name="constructor">Function that creates the type to be provided</param>
public void AddTransientDependency <T>(Func <PluginManager, T> constructor) where T : class
{
RegisteredTransients.Add(typeof(T), p => constructor(p));
}
