private DbContext TryCreateInstance(Type contextType)
{
Action <string> log = message =>
Logger.Log(typeof(ModelsCachedContainer), nameof(TryCreateInstance), message);
if (contextType == null)
{
throw new ArgumentNullException(nameof(contextType));
}
var method = contextType.FindStaticMethodWihoutParameters("GetDbContext");
if (method != null)
{
var methodName = $"{method.DeclaringType?.Name}.{method.Name}".TrimStart('.');
log($"Found method {methodName}");
if (contextType.IsAssignableFrom(method.ReturnType))
{
log($"Call method {methodName}");
return((DbContext)method.Invoke(null, null));
}
log(
$"Skip calling method {methodName} because of return type {method.ReturnType} instead of {contextType}.");
}
else
{
log($"Method GetDbContext not found in type {contextType}");
}
var services = ShamanOptions.CreateShamanOptions(contextType).Services.OfType <IValueProviderService>();
var constructorParameters = services.SelectMany(a => a.CreateObjects()).ToArray();
return(InstanceCreator.CreateInstance(contextType, Logger, constructorParameters) as DbContext);
}
public void T04_ShouldHaveEmptyService()
{
var services = ShamanOptions.CreateShamanOptions(typeof(TestDbContext)).Services;
var cnt = services.Count(a => a is EmptyService);
Assert.Equal(1, cnt);
}
public ModelInfo(Type dbContextType, ShamanOptions options = null)
{
_dbContextType = dbContextType;
options = options ?? ShamanOptions.CreateShamanOptions(dbContextType);
UsedShamanOptions = options;
_logger = options.Logger ?? EmptyShamanLogger.Instance;
Prepare();
}
public ModelInfo(Type dbContextType, IList <IShamanService> services = null)
{
_dbContextType = dbContextType;
UsedServices = services ?? ShamanOptions.CreateShamanOptions(dbContextType).Services;
Prepare();
}
