internal void ForceCollectionPropertyUpdates()
{
// Force save of complete collection for all literal collection properties
foreach (var entry in _currentItemValues)
{
if (IsLiteralsCollection(entry.Value.GetType()))
{
var propertyUri = GetPropertyUri(entry.Key);
var values = DataObject.GetPropertyValues(propertyUri).OfType <object>().ToList();
DataObject.RemovePropertiesOfType(propertyUri);
foreach (var o in values)
{
DataObject.AddProperty(propertyUri, o);
}
}
}
foreach (var entry in _currentPropertyCollections)
{
var properyHint = GetPropertyHint(entry.Key);
if (properyHint != null && properyHint.MappingType == PropertyMappingType.Arc)
{
var values = DataObject.GetPropertyValues(properyHint.SchemaTypeUri).OfType <DataObject>().ToList();
DataObject.RemovePropertiesOfType(properyHint.SchemaTypeUri);
foreach (var o in values)
{
DataObject.AddProperty(properyHint.SchemaTypeUri, o);
}
}
}
}
/// <summary>
/// Sets the collection of related entities for a specific property
/// </summary>
/// <typeparam name="T">The related entity type</typeparam>
/// <param name="propertyName">The name of the property to be updated</param>
/// <param name="relatedObjects">The new collection of related entities</param>
public void SetRelatedObjects <T>(string propertyName, ICollection <T> relatedObjects) where T : class
{
if (!IsAttached)
{
var current = GetRelatedObjects <T>(propertyName);
current.Set(relatedObjects);
return;
}
if (_currentPropertyCollections.ContainsKey(propertyName))
{
var currentCollection = _currentPropertyCollections[propertyName] as IEntityCollection <T>;
currentCollection.Set(relatedObjects);
}
else
{
var propertyHint = GetPropertyHint(propertyName);
if (propertyHint.MappingType == PropertyMappingType.Arc)
{
DataObject.RemovePropertiesOfType(propertyHint.SchemaTypeUri);
if (relatedObjects.Any(r => !(r is BrightstarEntityObject)))
{
throw new ArgumentException("Related objects must all extend BrightstarDB.EntityFramework.BrightstarEntityObject");
}
foreach (var i in relatedObjects.Cast <BrightstarEntityObject>())
{
if (!i.IsAttached)
{
i.Attach(_context);
}
DataObject.AddProperty(propertyHint.SchemaTypeUri, i.DataObject);
}
}
}
}
/// <summary>
/// Attaches the object to the specified context
/// </summary>
/// <param name="context"></param>
/// <param name="overwriteExisting"></param>
public void Attach(EntityContext context, bool overwriteExisting = false)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (!(context is BrightstarEntityContext))
{
throw new ArgumentException(
String.Format("An object of type {0} can only be attached to a context that extends {1}",
GetType().FullName, typeof(BrightstarEntityContext).FullName));
}
if (IsAttached)
{
if (!context.Equals(_context))
{
_context.UntrackObject(this);
}
}
_context = context as BrightstarEntityContext;
if (_identity == null)
{
AssertIdentity();
}
if (DataObject == null && _identity != null)
{
DataObject = _context.GetDataObject(new Uri(_identity), false);
var identityInfo = EntityMappingStore.GetIdentityInfo(GetType());
if (identityInfo != null && identityInfo.EnforceClassUniqueConstraint && !overwriteExisting)
{
_context.EnforceClassUniqueConstraint(_identity, EntityMappingStore.MapTypeToUris(GetType()));
}
foreach (var typeUri in EntityMappingStore.MapTypeToUris(GetType()))
{
if (!String.IsNullOrEmpty(typeUri))
{
var typeDo = _context.GetDataObject(new Uri(typeUri), false);
if (typeDo != null)
{
DataObject.AddProperty(Client.DataObject.TypeDataObject, typeDo);
}
}
}
}
// if (DataObject != null)
// {
_context.TrackObject(this);
// }
if (_currentItemValues != null)
{
foreach (var propertyName in _currentItemValues.Keys.ToList())
{
PropertyInfo p = GetType().GetProperty(propertyName);
p.SetValue(this, _currentItemValues[propertyName], null);
}
_currentItemValues.Clear();
}
}
/// <summary>
/// Attaches the object to the specified context
/// </summary>
/// <param name="context"></param>
public void Attach(EntityContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (!(context is BrightstarEntityContext))
{
throw new ArgumentException(
String.Format("An object of type {0} can only be attached to a context that extends {1}",
GetType().FullName, typeof(BrightstarEntityContext).FullName));
}
if (IsAttached)
{
if (!context.Equals(_context))
{
_context.UntrackObject(this);
}
}
_context = context as BrightstarEntityContext;
if (DataObject == null && _identity != null)
{
DataObject = _context.GetDataObject(new Uri(_identity), false);
foreach (var typeUri in _context.Mappings.MapTypeToUris(GetType()))
{
if (!String.IsNullOrEmpty(typeUri))
{
var typeDo = _context.GetDataObject(new Uri(typeUri), false);
if (typeDo != null)
{
DataObject.AddProperty(Client.DataObject.TypeDataObject, typeDo);
}
}
}
}
if (DataObject != null)
{
_context.TrackObject(this);
}
if (_currentItemValues != null)
{
foreach (var propertyName in _currentItemValues.Keys.ToList())
{
PropertyInfo p = GetType().GetProperty(propertyName);
p.SetValue(this, _currentItemValues[propertyName], null);
}
_currentItemValues.Clear();
}
}
