private static void ValidateAssociatedColumnsIsNullable(ConceptTypeChild child)
{
bool canBeNullable = !child.IsMandatory;
foreach (Column column in ColumnHasConceptTypeChild.GetColumn(child))
{
FrameworkDomainModel.DelayValidateElement(column, ValidateColumnIsNullableDelayed);
}
}
private static void DelayValidateConceptTypeChildNameChanged(ModelElement element)
{
if (!element.IsDeleted)
{
ConceptTypeChild child = (ConceptTypeChild)element;
foreach (Column column in ColumnHasConceptTypeChild.GetColumn(child))
{
ValidateSchemaNamesChanged(column.Table.Schema);
}
}
}
/// <summary>
/// Implements <see cref="IVerbalize.GetVerbalization"/>
/// </summary>
protected bool GetVerbalization(TextWriter writer, IDictionary <Type, IVerbalizationSets> snippetsDictionary, IVerbalizationContext verbalizationContext, VerbalizationSign sign)
{
// We are redirected to this point by the associated Column element
Column column = this.Column;
bool firstWrite = true;
foreach (ConceptTypeChild child in ColumnHasConceptTypeChild.GetConceptTypeChildPath(this.Column))
{
foreach (FactType factType in ConceptTypeChildHasPathFactType.GetPathFactTypeCollection(child))
{
if (firstWrite)
{
firstWrite = false;
}
else
{
writer.WriteLine();
}
verbalizationContext.DeferVerbalization(factType, DeferVerbalizationOptions.MultipleVerbalizations, null);
}
}
return(false);
}
/// <summary>
/// Get a minimal unique identifier for a column based on mapped roles. The identifer
/// will stop as soon as the fact type is used in a single column or in a partitioned
/// or separated column.
/// </summary>
/// <param name="column">The <see cref="Column"/> to analyze</param>
/// <param name="idList">Scratch list used to determine keys</param>
/// <param name="minKeySize">The minimum number of ids that uniquely
/// identify this column. The actually key may be longer than this
/// minimimum for partitioned and separated tables. Key comparisons
/// may be performed down to this minimum size.</param>
/// <returns><see langword="true"/> if the key was available.</returns>
private static bool BuildKey(Column column, List <Guid> idList, out int minKeySize)
{
idList.Clear();
int uniqueUseIndex = -1;
minKeySize = 0;
LinkedElementCollection <ConceptTypeChild> childNodes = ColumnHasConceptTypeChild.GetConceptTypeChildPath(column);
for (int i = childNodes.Count - 1; i >= 0; --i)
{
ConceptTypeChild child = childNodes[i];
bool uniqueChild = ColumnHasConceptTypeChild.GetLinksToColumn(child).Count == 1;
LinkedElementCollection <FactType> pathFactTypes = ConceptTypeChildHasPathFactType.GetPathFactTypeCollection(child);
int factTypeCount = pathFactTypes.Count;
InformationType infoType;
ObjectType objectType;
if (0 != (factTypeCount = pathFactTypes.Count))
{
for (int j = factTypeCount - 1; j >= 0; --j)
{
FactType factType = pathFactTypes[j];
idList.Add(FactTypeMapsTowardsRole.GetTowardsRole(factType).Id);
if (-1 == uniqueUseIndex &&
uniqueChild &&
ConceptTypeChildHasPathFactType.GetLinksToConceptTypeChild(factType).Count == 1)
{
minKeySize = idList.Count;
uniqueUseIndex = minKeySize - 1;
}
}
ConceptTypeAssimilatesConceptType assimilation;
if (uniqueUseIndex != -1 &&
null != (assimilation = child as ConceptTypeAssimilatesConceptType) &&
AssimilationMapping.GetAbsorptionChoiceFromAssimilation(assimilation) != AssimilationAbsorptionChoice.Absorb)
{
uniqueUseIndex = idList.Count - 1;
}
}
else if (null != (infoType = child as InformationType) &&
null != (objectType = ConceptTypeIsForObjectType.GetObjectType(infoType.ConceptType)))
{
// Happens for a value column in an object type table, which has one concept type child
idList.Add(objectType.Id);
}
}
int count = idList.Count;
if (0 == count)
{
return(false);
}
if (uniqueUseIndex != -1 &&
(uniqueUseIndex + 1) < count)
{
idList.RemoveRange(uniqueUseIndex + 1, count - uniqueUseIndex - 1);
}
if (minKeySize == 0)
{
minKeySize = idList.Count;
}
return(true);
}
