private static UnitOfWorkFactory CreateUnitOfWorkFactory(UnitOfWorkType type)
{
switch (type)
{
case UnitOfWorkType.Database:
return(new DatabaseUnitOfWorkFactory());
}
throw new ArgumentException("Unit of work factory for type " + type +
" is not implemented. Check the switch in HaaSMiddleware.DataAccessLayer.Factory.UnitOfWork.AbstractUnitOfWorkFactory.CreateUnitOfWorkFactory(UnitOfWorkType type) method.");
}
public static UnitOfWorkFactory GetUnitOfWorkFactory(UnitOfWorkType type)
{
lock (_factoryInstances)
{
if (!_factoryInstances.ContainsKey(type))
{
_factoryInstances.Add(type, CreateUnitOfWorkFactory(type));
}
}
return(_factoryInstances[type]);
}
public IUnitOfWork Create <TContext>(UnitOfWorkType unitOfWorkType) where TContext : DbContext
{
var constructorInfo = typeof(TContext).GetConstructor(new Type[] {});
if (constructorInfo == null)
{
throw new TargetParameterCountException("Cannot generically create a DbContext with constructor parameters");
}
var dbContext = constructorInfo.Invoke(new object[] {}) as TContext;
return(unitOfWorkType == UnitOfWorkType.Persistent
? new PersistenceManager <TContext>(dbContext)
: new TransactionManager <TContext>() as IUnitOfWork);
}
