protected override void OnChildDeleted(EFContainer efContainer)
{
var child = efContainer as DefiningQuery;
if (child != null)
{
_definingQuery = null;
return;
}
base.OnChildDeleted(efContainer);
}
protected override void PreParse()
{
Debug.Assert(State != EFElementState.Parsed, "this object should not already be in the parsed state");
ClearEFObject(_definingQuery);
_definingQuery = null;
ClearEFObject(_schemaAttr);
_schemaAttr = null;
ClearEFObject(_tableAttr);
_tableAttr = null;
ClearEFObject(_storeSchemaGenTypeAttr);
_storeSchemaGenTypeAttr = null;
ClearEFObject(_storeSchemaGenSchemaAttr);
_storeSchemaGenSchemaAttr = null;
ClearEFObject(_storeSchemaGenNameAttr);
_storeSchemaGenNameAttr = null;
base.PreParse();
}
internal override bool ParseSingleElement(ICollection <XName> unprocessedElements, XElement elem)
{
if (elem.Name.LocalName == DefiningQuery.ElementName)
{
if (_definingQuery != null)
{
// multiple DefiningQuery elements
var msg = String.Format(CultureInfo.CurrentCulture, Resources.DuplicatedElementMsg, elem.Name.LocalName);
Artifact.AddParseErrorForObject(this, msg, ErrorCodes.DUPLICATED_ELEMENT_ENCOUNTERED);
}
else
{
_definingQuery = new DefiningQuery(this, elem);
_definingQuery.Parse(unprocessedElements);
}
}
else
{
return(base.ParseSingleElement(unprocessedElements, elem));
}
return(true);
}
protected override void InvokeInternal(CommandProcessorContext cpc)
{
Debug.Assert(EntityType != null, "InvokeInternal is called when EntityType is null");
if (EntityType == null)
{
throw new InvalidOperationException("InvokeInternal is called when EntityType is null");
}
var service = cpc.EditingContext.GetEFArtifactService();
var artifact = service.Artifact;
// locate the entity container we want to add it to
BaseEntityContainer entityContainer = null;
EntitySet entitySet = null;
switch (ModelSpaceValue)
{
case ModelSpace.Conceptual:
Debug.Assert(artifact.ConceptualModel() != null, "artifact.ConceptualModel() should not be null");
entityContainer = artifact.ConceptualModel().FirstEntityContainer;
break;
case ModelSpace.Storage:
Debug.Assert(artifact.StorageModel() != null, "artifact.StorageModel() should not be null");
entityContainer = artifact.StorageModel().FirstEntityContainer;
break;
default:
Debug.Fail("Unknown model space");
break;
}
Debug.Assert(entityContainer != null, "entityContainer should not be null");
if (entityContainer == null)
{
throw new CannotLocateParentItemException();
}
// check for uniqueness of the name within the chosen EC
if (UniquifyName)
{
Name = ModelHelper.GetUniqueName(typeof(EntitySet), entityContainer, Name);
}
else
{
string msg = null;
if (ModelHelper.IsUniqueName(typeof(EntitySet), entityContainer, Name, false, out msg) == false)
{
throw new CommandValidationFailedException(msg);
}
}
// create the entity set; don't need to assert on enum since that has happened above
if (ModelSpaceValue == ModelSpace.Conceptual)
{
entitySet = new ConceptualEntitySet(entityContainer, null);
}
else
{
entitySet = new StorageEntitySet(entityContainer, null);
// DefiningQuery creation
if (DefiningQueryContent != null)
{
var definingQuery = new DefiningQuery(entitySet, null);
definingQuery.XElement.SetValue(DefiningQueryContent);
((StorageEntitySet)entitySet).DefiningQuery = definingQuery;
}
}
Debug.Assert(entitySet != null, "entitySet should not be null");
if (entitySet == null)
{
throw new ItemCreationFailureException();
}
// set name and add to the parent
entitySet.LocalName.Value = Name;
entityContainer.AddEntitySet(entitySet);
// set the entity type binding
if (EntityType != null)
{
entitySet.EntityType.SetRefName(EntityType);
}
XmlModelHelper.NormalizeAndResolve(entitySet);
EntitySet = entitySet;
}
