/// <summary>
/// Determines whether or not a factory exists in storage.
/// </summary>
/// <param name="storage">The <see cref="IFactoryStorage"/> object that holds the target factory.</param>
/// <param name="serviceName">The name that will be associated with the target factory.</param>
/// <param name="serviceType">The service type that the factory will be able to create.</param>
/// <param name="additionalParameterTypes">The list of additional parameters that this factory type will support.</param>
/// <returns>Returns <c>true</c> if the factory exists; otherwise, it will return <c>false</c>.</returns>
public static bool ContainsFactory(this IFactoryStorage storage, string serviceName, Type serviceType,
IEnumerable <Type> additionalParameterTypes)
{
var info = new ServiceInfo(serviceName, serviceType, additionalParameterTypes);
return(storage.ContainsFactory(info));
}
/// <summary>
/// Adds a factory to the current <see cref="IFactoryStorage"/> instance.
/// </summary>
/// <param name="storage">The <see cref="IFactoryStorage"/> object that will store the target factory.</param>
/// <param name="serviceName">The name that will be associated with the target factory.</param>
/// <param name="serviceType">The service type that the factory will be able to create.</param>
/// <param name="additionalParameterTypes">The list of additional parameters that this factory type will support.</param>
/// <param name="factory">The <see cref="IFactory"/> instance that will create the object instance.</param>
public static void AddFactory(this IFactoryStorage storage, string serviceName,
Type serviceType, IEnumerable <Type> additionalParameterTypes, IFactory factory)
{
var info = new ServiceInfo(serviceName, serviceType, additionalParameterTypes);
storage.AddFactory(info, factory);
}
/// <summary>
/// Determines which factories should be used
/// for a particular service request.
/// </summary>
/// <param name="storage">The <see cref="IFactoryStorage"/> object that holds the target factory.</param>
/// <param name="serviceName">The name that will be associated with the target factory.</param>
/// <param name="serviceType">The service type that the factory will be able to create.</param>
/// <param name="additionalParameters">The list of additional parameter values that this factory type will use to instantiate the service.</param>
/// <returns>A factory instance.</returns>
public static IFactory GetFactory(this IFactoryStorage storage, string serviceName, Type serviceType,
IEnumerable <object> additionalParameters)
{
var additionalParameterTypes = from arg in additionalParameters
let argType = arg != null?arg.GetType() : typeof(object)
select argType;
var info = new ServiceInfo(serviceName, serviceType, additionalParameterTypes);
return(storage.GetFactory(info));
}
/// <summary>
/// Initializes the container with a custom <see cref="ICreateInstance"/> type.
/// </summary>
/// <param name="getServiceBehavior">The instance that will be responsible for generating service instances.</param>
/// <param name="factoryStorage">The <see cref="IFactoryStorage"/> instance responsible for determining which factory instance will instantiate a given service request.</param>
public ServiceContainer(IGetService getServiceBehavior, IFactoryStorage factoryStorage)
{
if (getServiceBehavior == null)
throw new ArgumentNullException("getServiceBehavior");
if (factoryStorage == null)
throw new ArgumentNullException("factoryStorage");
_getServiceBehavior = getServiceBehavior;
_factoryStorage = factoryStorage;
this.AddDefaultServices();
}
/// <summary>
/// Initializes the container with a custom <see cref="ICreateInstance" /> type.
/// </summary>
/// <param name="getServiceBehavior">The instance that will be responsible for generating service instances.</param>
/// <param name="factoryStorage">
/// The <see cref="IFactoryStorage" /> instance responsible for determining which factory
/// instance will instantiate a given service request.
/// </param>
public ServiceContainer(IGetService getServiceBehavior, IFactoryStorage factoryStorage)
{
if (getServiceBehavior == null)
{
throw new ArgumentNullException("getServiceBehavior");
}
if (factoryStorage == null)
{
throw new ArgumentNullException("factoryStorage");
}
_getServiceBehavior = getServiceBehavior;
FactoryStorage = factoryStorage;
this.AddDefaultServices();
}
public override void Term()
{
_storage = null;
}
public override void Init()
{
_storage = new FactoryStorage();
}
public override void Term()
{
_storage = null;
}
public override void Init()
{
_storage = new FactoryStorage();
}
