internal ErrorLog.Record VerifyKeysPresent(
Cell ownerCell,
Func <object, object, string> formatEntitySetMessage,
Func <object, object, object, string> formatAssociationSetMessage,
ViewGenErrorCode errorCode)
{
List <MemberPath> memberPathList = new List <MemberPath>(1);
List <ExtentKey> extentKeyList = new List <ExtentKey>(1);
if (this.Extent is EntitySet)
{
MemberPath prefix = new MemberPath(this.Extent);
memberPathList.Add(prefix);
EntityType elementType = (EntityType)this.Extent.ElementType;
List <ExtentKey> keysForEntityType = ExtentKey.GetKeysForEntityType(prefix, elementType);
extentKeyList.Add(keysForEntityType[0]);
}
else
{
AssociationSet extent = (AssociationSet)this.Extent;
foreach (AssociationSetEnd associationSetEnd in extent.AssociationSetEnds)
{
AssociationEndMember associationEndMember = associationSetEnd.CorrespondingAssociationEndMember;
MemberPath prefix = new MemberPath((EntitySetBase)extent, (EdmMember)associationEndMember);
memberPathList.Add(prefix);
List <ExtentKey> keysForEntityType = ExtentKey.GetKeysForEntityType(prefix, MetadataHelper.GetEntityTypeForEnd(associationEndMember));
extentKeyList.Add(keysForEntityType[0]);
}
}
for (int index = 0; index < memberPathList.Count; ++index)
{
MemberPath prefix = memberPathList[index];
if (MemberProjectedSlot.GetKeySlots(this.GetMemberProjectedSlots(), prefix) == null)
{
ExtentKey extentKey = extentKeyList[index];
string message;
if (this.Extent is EntitySet)
{
string userString = MemberPath.PropertiesToUserString(extentKey.KeyFields, true);
message = formatEntitySetMessage((object)userString, (object)this.Extent.Name);
}
else
{
string name = prefix.RootEdmMember.Name;
string userString = MemberPath.PropertiesToUserString(extentKey.KeyFields, false);
message = formatAssociationSetMessage((object)userString, (object)name, (object)this.Extent.Name);
}
return(new ErrorLog.Record(errorCode, message, ownerCell, string.Empty));
}
}
return((ErrorLog.Record)null);
}
// effects: Returns an error record if the keys of the extent/associationSet being mapped are
// present in the projected slots of this query. Returns null
// otherwise. ownerCell indicates the cell that owns this and
// resourceString is a resource used for error messages
internal ErrorLog.Record VerifyKeysPresent(
Cell ownerCell, Func <object, object, string> formatEntitySetMessage,
Func <object, object, object, string> formatAssociationSetMessage, ViewGenErrorCode errorCode)
{
var prefixes = new List <MemberPath>(1);
// Keep track of the key corresponding to each prefix
var keys = new List <ExtentKey>(1);
if (Extent is EntitySet)
{
// For entity set just get the full path of the key properties
var prefix = new MemberPath(Extent);
prefixes.Add(prefix);
var entityType = (EntityType)Extent.ElementType;
var entitySetKeys = ExtentKey.GetKeysForEntityType(prefix, entityType);
Debug.Assert(entitySetKeys.Count == 1, "Currently, we only support primary keys");
keys.Add(entitySetKeys[0]);
}
else
{
var relationshipSet = (AssociationSet)Extent;
// For association set, get the full path of the key
// properties of each end
foreach (var relationEnd in relationshipSet.AssociationSetEnds)
{
var assocEndMember = relationEnd.CorrespondingAssociationEndMember;
var prefix = new MemberPath(relationshipSet, assocEndMember);
prefixes.Add(prefix);
var endKeys = ExtentKey.GetKeysForEntityType(
prefix,
MetadataHelper.GetEntityTypeForEnd(assocEndMember));
Debug.Assert(endKeys.Count == 1, "Currently, we only support primary keys");
keys.Add(endKeys[0]);
}
}
for (var i = 0; i < prefixes.Count; i++)
{
var prefix = prefixes[i];
// Get all or none key slots that are being projected in this cell query
var keySlots = MemberProjectedSlot.GetKeySlots(GetMemberProjectedSlots(), prefix);
if (keySlots == null)
{
var key = keys[i];
string message;
if (Extent is EntitySet)
{
var keyPropertiesString = MemberPath.PropertiesToUserString(key.KeyFields, true);
message = formatEntitySetMessage(keyPropertiesString, Extent.Name);
}
else
{
var endName = prefix.RootEdmMember.Name;
var keyPropertiesString = MemberPath.PropertiesToUserString(key.KeyFields, false);
message = formatAssociationSetMessage(keyPropertiesString, endName, Extent.Name);
}
var error = new ErrorLog.Record(errorCode, message, ownerCell, String.Empty);
return(error);
}
}
return(null);
}
