/// <summary>
/// Adds builder into the provider by the specified factory and builder identifiers.
/// </summary>
/// <param name="provider">The factory provider.</param>
/// <param name="factoryId">The identifier of the factory.</param>
/// <param name="builderId">The identifier of the builder.</param>
/// <param name="builder">The builder to add.</param>
public static void AddBuilder <TFactoryId, TBuilderId>(this IFactoryProvider provider, TFactoryId factoryId, TBuilderId builderId, IBuilder builder)
{
if (provider == null)
{
throw new ArgumentNullException(nameof(provider));
}
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (!provider.TryGet(out IFactoryCollection <TFactoryId> collection))
{
collection = new FactoryCollection <TFactoryId>();
provider.Add(collection);
}
if (!collection.TryGet(factoryId, out IFactory <TBuilderId> factory))
{
factory = new Factory <TBuilderId>();
collection.Add(factoryId, factory);
}
factory.Add(builderId, builder);
}
/// <summary>
/// Removes builder from the provider by the specified factory and builder identifiers.
/// </summary>
/// <param name="provider">The factory provider.</param>
/// <param name="factoryId">The identifier of the factory.</param>
/// <param name="builderId">The identifier of the builder.</param>
public static void RemoveBuilder <TFactoryId, TBuilderId>(this IFactoryProvider provider, TFactoryId factoryId, TBuilderId builderId)
{
if (provider == null)
{
throw new ArgumentNullException(nameof(provider));
}
if (provider.TryGet(out IFactoryCollection <TFactoryId> collection) && collection.TryGet(factoryId, out IFactory <TBuilderId> factory))
{
factory.Remove(builderId);
}
}
/// <summary>
/// Tries to get builder from the provider by the specified factory identifier and builder identifier.
/// <para>
/// The type of the factory identifier represents the identifier of the factory collection.
/// </para>
/// <para>
/// Returns true if the builder was found, otherwise false.
/// </para>
/// </summary>
/// <param name="provider">The factory provider.</param>
/// <param name="factoryId">The identifier of the factory.</param>
/// <param name="builderId">The identifier of the builder.</param>
/// <param name="builder">The found builder.</param>
public static bool TryGetBuilder <TBuilder, TFactoryId, TBuilderId>(this IFactoryProvider provider, TFactoryId factoryId, TBuilderId builderId, out TBuilder builder) where TBuilder : IBuilder
{
if (provider == null)
{
throw new ArgumentNullException(nameof(provider));
}
if (provider.TryGet(out IFactoryCollection <TFactoryId> collection) && collection.TryGet(factoryId, out IFactory <TBuilderId> factory))
{
if (factory.TryGet(builderId, out IBuilder value) && value is TBuilder result)
{
builder = result;
return(true);
}
}
builder = default;
return(false);
}