private void FillDataColumnRepeatedSimpleElement (XmlSchemaElement parent, XmlSchemaElement el, DataColumn col)
{
if (targetElements.Contains (el))
return; // do nothing
AddParentKeyColumn (parent, el, col);
DataColumn pkey = currentTable.PrimaryKey;
string elName = XmlConvert.DecodeName (el.QualifiedName.Name);
string parentName = XmlConvert.DecodeName (parent.QualifiedName.Name);
DataTable dt = new DataTable ();
dt.TableName = elName;
dt.Namespace = el.QualifiedName.Namespace;
// reference key column to parent
DataColumn cc = new DataColumn ();
cc.ColumnName = parentName + "_Id";
cc.Namespace = parent.QualifiedName.Namespace;
cc.ColumnMapping = MappingType.Hidden;
cc.DataType = typeof (int);
// repeatable content simple element
DataColumn cc2 = new DataColumn ();
cc2.ColumnName = elName + "_Column";
cc2.Namespace = el.QualifiedName.Namespace;
cc2.ColumnMapping = MappingType.SimpleContent;
cc2.AllowDBNull = false;
cc2.DataType = ConvertDatatype (GetSchemaPrimitiveType (el.ElementType));
dt.Columns.Add (cc2);
dt.Columns.Add (cc);
dataset.Tables.Add (dt);
RelationStructure rel = new RelationStructure ();
rel.ParentTableName = parentName;
rel.ChildTableName = dt.TableName;
rel.ParentColumnName = pkey.ColumnName;
rel.ChildColumnName = cc.ColumnName;
rel.IsNested = true;
rel.CreateConstraint = true;
relations.Add (rel);
}
private void HandleRelationshipAnnotation (XmlElement el, bool nested)
{
string name = el.GetAttribute ("name");
string ptn = el.GetAttribute ("parent", XmlConstants.MsdataNamespace);
string ctn = el.GetAttribute ("child", XmlConstants.MsdataNamespace);
string pkn = el.GetAttribute ("parentkey", XmlConstants.MsdataNamespace);
string fkn = el.GetAttribute ("childkey", XmlConstants.MsdataNamespace);
RelationStructure rel = new RelationStructure ();
rel.ExplicitName = name;
rel.ParentTableName = ptn;
rel.ChildTableName = ctn;
rel.ParentColumnName = pkn;
rel.ChildColumnName = fkn;
rel.IsNested = nested;
rel.CreateConstraint = false; // by default?
relations.Add (rel);
}
private DataRelation GenerateRelationship (RelationStructure rs)
{
DataTable ptab = dataset.Tables [rs.ParentTableName];
DataTable ctab = dataset.Tables [rs.ChildTableName];
DataColumn pcol = ptab.Columns [rs.ParentColumnName];
DataColumn ccol = ctab.Columns [rs.ChildColumnName];
if (ccol == null) {
ccol = new DataColumn ();
ccol.ColumnName = pcol.ColumnName;
ccol.Namespace = String.Empty; // don't copy
ccol.ColumnMapping = MappingType.Hidden;
ccol.DataType = pcol.DataType;
ctab.Columns.Add (ccol);
}
string name = rs.ExplicitName != null ? rs.ExplicitName : XmlConvert.DecodeName (ptab.TableName) + '_' + XmlConvert.DecodeName (ctab.TableName);
DataRelation rel = new DataRelation (name, pcol, ccol, rs.CreateConstraint);
rel.Nested = rs.IsNested;
if (rs.CreateConstraint)
rel.ParentTable.PrimaryKey = rel.ParentColumns;
return rel;
}
private void FillDataColumnComplexElement (XmlSchemaElement parent, XmlSchemaElement el, DataColumn col)
{
if (targetElements.Contains (el))
return; // do nothing
string elName = XmlConvert.DecodeName (el.QualifiedName.Name);
if (elName == dataset.DataSetName)
// Well, why it is ArgumentException :-?
throw new ArgumentException ("Nested element must not have the same name as DataSet's name.");
if (el.Annotation != null)
HandleAnnotations (el.Annotation, true);
else {
AddParentKeyColumn (parent, el, col);
DataColumn pkey = currentTable.PrimaryKey;
RelationStructure rel = new RelationStructure ();
rel.ParentTableName = XmlConvert.DecodeName (parent.QualifiedName.Name);
rel.ChildTableName = elName;
rel.ParentColumnName = pkey.ColumnName;
rel.ChildColumnName = pkey.ColumnName;
rel.CreateConstraint = true;
rel.IsNested = true;
relations.Add (rel);
}
// If the element is not referenced one, the element will be handled later.
if (el.RefName == XmlQualifiedName.Empty)
targetElements.Add (el);
}
public void Add (RelationStructure rel)
{
List.Add (rel);
}
private void FillDataColumnComplexElement (XmlSchemaElement parent, XmlSchemaElement el, DataColumn col)
{
if (targetElements.Contains (el))
return; // do nothing
string elName = XmlHelper.Decode (el.QualifiedName.Name);
if (elName == dataset.DataSetName)
// Well, why it is ArgumentException :-?
throw new ArgumentException ("Nested element must not have the same name as DataSet's name.");
if (el.Annotation != null)
HandleAnnotations (el.Annotation, true);
// If xsd:keyref xsd:key for this table exists, then don't add
// relation here manually.
else if (!DataSetDefinesKey (elName)) {
AddParentKeyColumn (parent, el, col);
RelationStructure rel = new RelationStructure ();
rel.ParentTableName = XmlHelper.Decode (parent.QualifiedName.Name);
rel.ChildTableName = elName;
rel.ParentColumnName = col.ColumnName;
rel.ChildColumnName = col.ColumnName;
rel.CreateConstraint = true;
rel.IsNested = true;
relations.Add (rel);
}
// If the element is not referenced one, the element will be handled later.
if (el.RefName == XmlQualifiedName.Empty)
ProcessDataTableElement (el);
}
private DataRelation GenerateRelationship (RelationStructure rs)
{
DataTable ptab = dataset.Tables [rs.ParentTableName];
DataTable ctab = dataset.Tables [rs.ChildTableName];
DataRelation rel ;
string name = rs.ExplicitName != null ? rs.ExplicitName : XmlHelper.Decode (ptab.TableName) + '_' + XmlHelper.Decode (ctab.TableName);
// Annotation Relations belonging to a DataSet can contain multiple colnames
// in parentkey and childkey.
if (datasetElement != null) {
String[] pcolnames = rs.ParentColumnName.Split (null);
String[] ccolnames = rs.ChildColumnName.Split (null);
DataColumn[] pcol = new DataColumn [pcolnames.Length];
for (int i=0; i<pcol.Length; ++i)
pcol [i] = ptab.Columns [XmlHelper.Decode (pcolnames [i])];
DataColumn[] ccol = new DataColumn [ccolnames.Length];
for (int i=0; i < ccol.Length; ++i) {
ccol [i] = ctab.Columns [XmlHelper.Decode (ccolnames [i])];
if (ccol [i] == null)
ccol [i] = CreateChildColumn (pcol [i], ctab);
}
rel = new DataRelation (name, pcol, ccol, rs.CreateConstraint);
} else {
DataColumn pcol = ptab.Columns [XmlHelper.Decode (rs.ParentColumnName)];
DataColumn ccol = ctab.Columns [XmlHelper.Decode (rs.ChildColumnName)];
if (ccol == null)
ccol = CreateChildColumn (pcol, ctab);
rel = new DataRelation (name, pcol, ccol, rs.CreateConstraint);
}
rel.Nested = rs.IsNested;
if (rs.CreateConstraint)
rel.ParentTable.PrimaryKey = rel.ParentColumns;
return rel;
}
private void HandleRelationshipAnnotation (XmlElement el, bool nested)
{
string name = el.GetAttribute ("name");
string ptn = el.GetAttribute ("parent", XmlConstants.MsdataNamespace);
string ctn = el.GetAttribute ("child", XmlConstants.MsdataNamespace);
string pkn = el.GetAttribute ("parentkey", XmlConstants.MsdataNamespace);
string fkn = el.GetAttribute ("childkey", XmlConstants.MsdataNamespace);
RelationStructure rel = new RelationStructure ();
rel.ExplicitName = XmlHelper.Decode (name);
rel.ParentTableName = XmlHelper.Decode (ptn);
rel.ChildTableName = XmlHelper.Decode (ctn);
// ColumnNames will be decoded wherever they are used as they can
// contain 'space' separated list of column-names.
rel.ParentColumnName = pkn;
rel.ChildColumnName = fkn;
rel.IsNested = nested;
rel.CreateConstraint = false; // by default?
relations.Add (rel);
}
private void PopulateRelationStructure (string parent, string child, string pkeyColumn)
{
if (relations [parent, child] != null)
return;
RelationStructure rs = new RelationStructure ();
rs.ParentTableName = parent;
rs.ChildTableName = child;
rs.ParentColumnName = pkeyColumn;
rs.ChildColumnName = pkeyColumn;
rs.CreateConstraint = true;
rs.IsNested = true;
relations.Add (rs);
}
