protected AxTableRelationForeignKey AddTableRelation(AxTableField field, KeyedObjectCollection <AxTableRelation> existingRelations)
{
if (!string.IsNullOrEmpty(field.ExtendedDataType))
{
var edt = _axHelper.MetadataProvider.Edts.Read(field.ExtendedDataType);
if (edt == null)
{
return(null);
}
if (string.IsNullOrEmpty(edt.ReferenceTable))
{
return(null);
}
AxEdtTableReference firstRef = edt.TableReferences.First();
if (firstRef == null)
{
return(null);
}
string newRelationName = edt.ReferenceTable;
if (existingRelations.Contains(newRelationName))
{
newRelationName = edt.ReferenceTable + "_" + field.Name;
}
AxTableRelationForeignKey axTableRelation = new AxTableRelationForeignKey();
axTableRelation.Name = newRelationName;
axTableRelation.EDTRelation = NoYes.Yes;
axTableRelation.Cardinality = Cardinality.ZeroMore;
axTableRelation.OnDelete = DeleteAction.Restricted;
axTableRelation.RelatedTable = edt.ReferenceTable;
axTableRelation.RelatedTableCardinality =
IsMandatory ? RelatedTableCardinality.ExactlyOne : RelatedTableCardinality.ZeroOne;
axTableRelation.RelationshipType = RelationshipType.Association;
AxTableRelationConstraintField axTableRelationConstraint = new AxTableRelationConstraintField();
axTableRelationConstraint.Name = field.Name;
axTableRelationConstraint.Field = field.Name;
axTableRelationConstraint.SourceEDT = field.ExtendedDataType;
axTableRelationConstraint.RelatedField = firstRef.RelatedField;
axTableRelation.AddConstraint(axTableRelationConstraint);
return(axTableRelation);
}
return(null);
}
protected AxTableRelationForeignKey AddTableRelation(AxTableField field, KeyedObjectCollection <AxTableRelation> existingRelations)
{
if (!string.IsNullOrEmpty(field.ExtendedDataType))
{
var edt = _axHelper.MetadataProvider.Edts.Read(field.ExtendedDataType);
if (edt == null)
{
return(null);
}
AxTableRelationForeignKey axTableRelation = null;
if (!string.IsNullOrEmpty(edt.ReferenceTable))
{
AxEdtTableReference firstRef = edt.TableReferences.First();
if (firstRef == null)
{
return(null);
}
string newRelationName = edt.ReferenceTable;
if (existingRelations.Contains(newRelationName))
{
newRelationName = edt.ReferenceTable + "_" + field.Name;
}
axTableRelation = new AxTableRelationForeignKey();
axTableRelation.Name = newRelationName;
axTableRelation.EDTRelation = NoYes.Yes;
axTableRelation.Cardinality = Cardinality.ZeroMore;
axTableRelation.OnDelete = DeleteAction.Restricted;
axTableRelation.RelatedTable = edt.ReferenceTable;
axTableRelation.RelatedTableCardinality =
IsMandatory ? RelatedTableCardinality.ExactlyOne : RelatedTableCardinality.ZeroOne;
axTableRelation.RelationshipType = RelationshipType.Association;
foreach (AxEdtTableReference tableRefLine in edt.TableReferences)
{
var localLineRef = tableRefLine as AxEdtTableReferenceFilter;
if (localLineRef != null)
{
AxTableRelationConstraintRelatedFixed axTableRelationConstraint = new AxTableRelationConstraintRelatedFixed();
axTableRelationConstraint.Name = localLineRef.RelatedField;
axTableRelationConstraint.RelatedField = localLineRef.RelatedField;
axTableRelationConstraint.Value = localLineRef.Value;
axTableRelation.AddConstraint(axTableRelationConstraint);
}
else
{
AxTableRelationConstraintField axTableRelationConstraint = new AxTableRelationConstraintField();
axTableRelationConstraint.Name = field.Name;
axTableRelationConstraint.Field = field.Name;
axTableRelationConstraint.SourceEDT = field.ExtendedDataType;
axTableRelationConstraint.RelatedField = tableRefLine.RelatedField;
axTableRelation.AddConstraint(axTableRelationConstraint);
}
}
}
else
{
if (edt.Relations != null && edt.Relations.Count > 0) //old style relation
{
AxEdtRelation firstEdtRelation = edt.Relations.First();
string newRelationName = firstEdtRelation.Table;
if (existingRelations.Contains(newRelationName))
{
newRelationName = edt.ReferenceTable + "_" + field.Name;
}
axTableRelation = new AxTableRelationForeignKey();
axTableRelation.Name = newRelationName;
axTableRelation.EDTRelation = NoYes.Yes;
axTableRelation.Cardinality = Cardinality.ZeroMore;
axTableRelation.OnDelete = DeleteAction.Restricted;
axTableRelation.RelatedTable = firstEdtRelation.Table;
axTableRelation.RelatedTableCardinality =
IsMandatory ? RelatedTableCardinality.ExactlyOne : RelatedTableCardinality.ZeroOne;
axTableRelation.RelationshipType = RelationshipType.Association;
AxTableRelationConstraintField axTableRelationConstraint = new AxTableRelationConstraintField();
axTableRelationConstraint.Name = field.Name;
axTableRelationConstraint.Field = field.Name;
axTableRelationConstraint.SourceEDT = field.ExtendedDataType;
axTableRelationConstraint.RelatedField = firstEdtRelation.RelatedField;
axTableRelation.AddConstraint(axTableRelationConstraint);
}
}
return(axTableRelation);
}
return(null);
}