/// <summary>
/// Gets the navigation properties for the entity.
/// </summary>
/// <typeparam name="Entity">the type of entity</typeparam>
/// <param name="context">The context.</param>
/// <returns>the list of navigation properties for the entity</returns>
public static string[] GetNavigationProperties <Entity>(DbContext context)
{
string[] properties;
Type t = EntityTypeHelper.GetModelType(typeof(Entity));
lock (DictNavProp)
{
DictNavProp.TryGetValue(t, out properties);
if (properties != null)
{
return(properties);
}
// Get the System.Data.Entity.Core.Metadata.Edm.EntityType
// associated with the entity.
ObjectContext objectContext = ((IObjectContextAdapter)context).ObjectContext;
// create method CreateObjectSet with the generic parameter of the base-type
MethodInfo method = typeof(ObjectContext).GetMethod("CreateObjectSet", Type.EmptyTypes)
.MakeGenericMethod(t);
dynamic objectSet = method.Invoke(objectContext, null);
IEnumerable <dynamic> keyMembers = objectSet.EntitySet.ElementType.NavigationProperties;
properties = keyMembers.Select(k => (string)k.Name).ToArray();
DictNavProp.Add(t, properties);
}
return(properties);
}
/// <summary>
/// Gets the properties of the entity.
/// </summary>
/// <typeparam name="Entity">The type of the ntity.</typeparam>
/// <param name="context">The context.</param>
/// <param name="dbobj">The dbobj.</param>
/// <returns>Returns the list of properties</returns>
public static string[] GetProperties <Entity>(DbContext context, Entity dbobj, bool isMock = false)
where Entity : class
{
Type t = EntityTypeHelper.GetModelType(typeof(Entity));
string[] properties;
Dict.TryGetValue(t, out properties);
if (properties != null)
{
return(properties);
}
if (!isMock)
{
properties = context.Entry(dbobj).CurrentValues.PropertyNames.ToArray();
}
else
{
properties = dbobj.GetType().GetProperties().Select(x => x.Name).ToArray();
}
Dict.Add(t, properties);
return(properties);
}
/// <summary>
/// Gets the properties of the entity.
/// </summary>
/// <typeparam name="Entity">The type of the ntity.</typeparam>
/// <param name="context">The context.</param>
/// <param name="dbobj">The dbobj.</param>
/// <returns>Returns the list of properties</returns>
public static string[] GetProperties <Entity>(DbContext context, Entity dbobj, bool isMock = false)
where Entity : class
{
Type t = EntityTypeHelper.GetModelType(typeof(Entity));
string[] properties;
lock (Dict)
{
Dict.TryGetValue(t, out properties);
if (properties != null)
{
return(properties);
}
properties = dbobj.GetType().GetProperties().Select(x => x.Name).ToArray();
Dict.Add(t, properties);
}
return(properties);
}
