private static DbContext GetDbContext(this IQueryable queryable)
{
DbContext dbContext;
try
{
object internalQuery = ReflectionFunctions.GetReflectedMember(queryable, "InternalQuery");
object internalContext = ReflectionFunctions.GetReflectedMember(internalQuery, "_internalContext");
dbContext = (DbContext)ReflectionFunctions.GetReflectedMember(internalContext, "Owner");
}
catch (Exception e)
{
throw new ApplicationException("Unable to retreive db context from IQueryable", e);
}
return(dbContext);
}
public static DbContext GetDbContext <TEntity>(this DbSet <TEntity> dbSet) where TEntity : class
{
try
{
object internalSet = ReflectionFunctions.GetReflectedMember(dbSet, "_internalSet");
object internalContext = internalSet
.GetType()
.BaseType
.GetField("_internalContext", BindingFlags.NonPublic | BindingFlags.Instance)
.GetValue(internalSet);
return((DbContext)ReflectionFunctions.GetReflectedMember(internalContext, "Owner"));
}
catch (Exception e)
{
throw new ApplicationException("Unable to retreive db context from DbSet", e);
}
}
internal static ObjectQuery GetObjectQuery(this IQueryable query)
{
object internalQueryField = ReflectionFunctions.GetReflectedMember(query, "_internalQuery");
return(ReflectionFunctions.GetReflectedMember(internalQueryField, "_objectQuery") as ObjectQuery);
}