private void InitializeUnderlyingTypes(EntitySetTypePair pair)
{
this._entitySet = pair.EntitySet;
this._baseType = pair.BaseType;
this._entitySetName = string.Format((IFormatProvider)CultureInfo.InvariantCulture, "{0}.{1}", (object)this._entitySet.EntityContainer.Name, (object)this._entitySet.Name);
this._quotedEntitySetName = string.Format((IFormatProvider)CultureInfo.InvariantCulture, "{0}.{1}", (object)DbHelpers.QuoteIdentifier(this._entitySet.EntityContainer.Name), (object)DbHelpers.QuoteIdentifier(this._entitySet.Name));
this.InitializeQuery(this.CreateObjectQuery(false, new bool?(), (IDbExecutionStrategy)null));
}
public virtual void TryInitialize()
{
if (this._entitySet != null)
{
return;
}
EntitySetTypePair andBaseTypeForType = base.InternalContext.TryGetEntitySetAndBaseTypeForType(typeof(TEntity));
if (andBaseTypeForType == null)
{
return;
}
this.InitializeUnderlyingTypes(andBaseTypeForType);
}
// <summary>
// Updates the cache of types to entity sets either for the first time or after potentially
// doing some o-space loading.
// </summary>
private void UpdateEntitySetMappings()
{
var objectItemCollection = (ObjectItemCollection)_workspace.GetItemCollection(DataSpace.OSpace);
var ospaceTypes = _workspace.GetItems <EntityType>(DataSpace.OSpace);
var inverseHierarchy = new Stack <EntityType>();
foreach (var ospaceType in ospaceTypes)
{
inverseHierarchy.Clear();
var cspaceType = (EntityType)_workspace.GetEdmSpaceType(ospaceType);
do
{
inverseHierarchy.Push(cspaceType);
cspaceType = (EntityType)cspaceType.BaseType;
}while (cspaceType != null);
EntitySet entitySet = null;
while (entitySet == null &&
inverseHierarchy.Count > 0)
{
cspaceType = inverseHierarchy.Pop();
foreach (var container in _workspace.GetItems <EntityContainer>(DataSpace.CSpace))
{
var entitySets = container.BaseEntitySets.Where(s => s.ElementType == cspaceType).ToList();
var entitySetsCount = entitySets.Count;
if (entitySetsCount > 1 ||
entitySetsCount == 1 && entitySet != null)
{
throw Error.DbContext_MESTNotSupported();
}
if (entitySetsCount == 1)
{
entitySet = (EntitySet)entitySets[0];
}
}
}
// Entity set may be null if the o-space type is a base type that is in the model but is
// not part of any set. For most practical purposes, this type is not in the model since
// there is no way to query etc. for objects of this type.
if (entitySet != null)
{
var ospaceBaseType = (EntityType)_workspace.GetObjectSpaceType(cspaceType);
var clrType = objectItemCollection.GetClrType(ospaceType);
var clrBaseType = objectItemCollection.GetClrType(ospaceBaseType);
_entitySetMappingsCache[clrType] = new EntitySetTypePair(entitySet, clrBaseType);
}
}
}
private void InitializeUnderlyingTypes(EntitySetTypePair pair)
{
DebugCheck.NotNull(pair);
_entitySet = pair.EntitySet;
_baseType = pair.BaseType;
_entitySetName = string.Format(
CultureInfo.InvariantCulture, "{0}.{1}", _entitySet.EntityContainer.Name, _entitySet.Name);
_quotedEntitySetName = string.Format(
CultureInfo.InvariantCulture,
"{0}.{1}",
DbHelpers.QuoteIdentifier(_entitySet.EntityContainer.Name),
DbHelpers.QuoteIdentifier(_entitySet.Name));
InitializeQuery(CreateObjectQuery(asNoTracking: false, streaming: false));
}
