/// <summary>
/// Use the "CreateEntityInfo" method on the persis manager if you want to create EntityInfo yourself.
/// The default ctor is provided for serealization and testing only
/// </summary>
internal EntityInfo(EntitySetInfo entitySetInfo, object entity, EntityState entityState, AutoGeneratedKey autoGeneratedKey, Dictionary <string, object> originalValuesMap, Dictionary <string, object> unmappedValuesMap)
{
EntitySetInfo = entitySetInfo;
Type = entitySetInfo.ClrType;
Entity = entity;
EntityState = entityState;
AutoGeneratedKey = autoGeneratedKey;
OriginalValuesMap = originalValuesMap ?? new Dictionary <string, object>();
UnmappedValuesMap = unmappedValuesMap ?? new Dictionary <string, object>();
}
/// <summary>
/// Returns a description of each entity in the context, sorted according to
/// the order the entities should be saved
/// </summary>
public static List <EntitySetInfo> GetEntitySetsInfo(T ctx)
{
var model = GetModel(ctx);
var entityTypes = model.GetEntityTypes();
var typesAndDependencies = entityTypes.OrderBy(et => et.Name)
.Select(et =>
{
var dependencies = GetTypesEntityDependsOn(et).Select(e => e.Name);
var depenednciesHashset = new HashSet <string>(dependencies);
return(et, dependencies);
}).ToList();
var entitiesInfo = new List <EntitySetInfo>();
var alreadySaved = new HashSet <string>();
/// Will holt or throw since we are removing an item each time or throwing if we did not
/// find an item
while (typesAndDependencies.Count > 0)
{
var nextToSave = typesAndDependencies.First((t) =>
{
return(t.dependencies.Except(alreadySaved).Count() == 0);
});
var jsName = JsTypeNameFromType(nextToSave.et.ClrType);
alreadySaved.Add(nextToSave.et.Name);
typesAndDependencies.Remove(nextToSave);
var entitySetInfo = new EntitySetInfo(jsName, nextToSave.et.ClrType, nextToSave.et);
entitiesInfo.Add(entitySetInfo);
}
return(entitiesInfo);
}
