/// <summary>
///
/// </summary>
/// <see cref="IServiceLocator.GetAllInstances(Type)" />
public IEnumerable <object> GetAllInstances(Type serviceType)
{
if (serviceType == null)
{
throw new ArgumentNullException("serviceType");
}
IEnumerable <object> result = null;
ServiceActivationException exceptionToThrow = null;
try
{
result = this.OnGetAllInstances(serviceType);
if (result == null)
{
exceptionToThrow = new ServiceActivationException(serviceType,
null);
}
}
catch (Exception ex)
{
exceptionToThrow = new ServiceActivationException(serviceType,
null,
ex);
}
if (exceptionToThrow != null)
{
throw exceptionToThrow;
}
return(result.Select(s => !DBNull.Value.Equals(s) ? s : null)
.OfType <object>());
}
/// <summary>
///
/// </summary>
/// <see cref="IServiceLocator.GetInstance(Type, object)" />
public object GetInstance(Type serviceType, object key)
{
if (serviceType == null)
{
throw new ArgumentNullException("serviceType");
}
object result = null;
ServiceActivationException exceptionToThrow = null;
try
{
result = ParseValue(this.OnGetInstance(serviceType,
ParseValue(key)));
if (result == null)
{
exceptionToThrow = new ServiceActivationException(serviceType,
key);
}
}
catch (Exception ex)
{
exceptionToThrow = new ServiceActivationException(serviceType,
key,
ex);
}
if (exceptionToThrow != null)
{
throw exceptionToThrow;
}
return(result);
}