/// <summary>
/// Create specific or generic Oid.
/// </summary>
/// <param name="className"></param>
/// <param name="fields"></param>
/// <returns></returns>
public static Oid Create(string className, IList <KeyValuePair <ModelType, object> > fields)
{
// Specific Oid.
Oid lOid = Create(className);
// Generic Oid.
if (lOid == null)
{
lOid = new GenericOID(className);
}
if (lOid != null)
{
if ((fields != null) && (fields.Count > 0))
{
lOid.Fields.Clear();
foreach (KeyValuePair <ModelType, object> lField in fields)
{
IOidField loidfield = FieldList.CreateField(string.Empty, lField.Key);
loidfield.Value = lField.Value;
lOid.Fields.Add(loidfield);
}
}
}
return(lOid);
}
/// <summary>
/// Gets the Oid from a DataRow. The DataRow is a row of the DataTable.
/// </summary>
/// <param name="dataTable">DataTable the Oid is given from.</param>
/// <param name="row">Row the Oid is requested.</param>
/// <param name="alternateKeyName">Name of the alternate key, if proceed.</param>
/// <returns>Returns the Oid corresponding to the DataRow.</returns>
public static Oid GetOid(DataTable dataTable, DataRow row, string alternateKeyName)
{
Oid resultOid = null;
List <DataColumn> oidFields = GetOidColumns(dataTable);
if (oidFields != null)
{
resultOid = Oid.Create(dataTable.TableName);
resultOid.Fields.Clear();
foreach (DataColumn lDataColumn in oidFields)
{
ModelType type = (ModelType)lDataColumn.ExtendedProperties[DataTableProperties.DataColumnProperties.ModelType];
object rowValue = row[lDataColumn.Ordinal];
if (rowValue == null || rowValue == DBNull.Value)
{
return(null);
}
if (type == ModelType.String && rowValue.ToString().Trim().Length == 0)
{
return(null);
}
IOidField oidField = FieldList.CreateField(string.Empty, type);
oidField.Value = rowValue;
resultOid.Fields.Add(oidField);
}
string lAlternateKeyName = alternateKeyName;
if (lAlternateKeyName == string.Empty)
{
// If no alternateKeyName is specified, ask to the current oid.
lAlternateKeyName = resultOid.AlternateKeyName;
}
if (lAlternateKeyName != string.Empty)
{
// Try to load the alternate key fields with the values contained in the row.
IOid auxAlternateKey = resultOid.GetAlternateKey(lAlternateKeyName);
if ((auxAlternateKey as AlternateKey) != null)
{
foreach (IOidField oidField in auxAlternateKey.Fields)
{
// It is not guaranteed if the alternate key field is in the datatable.
if (dataTable.Columns.Contains(oidField.Name))
{
oidField.Value = row[oidField.Name];
}
}
}
}
}
return(resultOid);
}
/// <summary>
/// Create Fields for OID.
/// </summary>
/// <param name="types">Oid types.</param>
protected virtual void CreateTypes(ModelType[] types)
{
// Set Types
if (types != null)
{
// Clear fields for this OID.
FieldList.Clear();
// Add New OID Types and fields for OID.
foreach (ModelType ltype in types)
{
IOidField lfield = FieldList.Add(string.Empty, ltype);
}
}
}
public override bool Equals(object obj)
{
// One of them is null.
Oid lOid = obj as Oid;
if (lOid == null || !lOid.IsValid())
{
return(false);
}
if (string.Compare(ClassName, lOid.ClassName, true) == 0)
{
// Check Count.
if (Fields.Count == lOid.Fields.Count)
{
// Check Values.
for (int i = 0; i < Fields.Count; i++)
{
IOidField lOidField = Fields[i];
if (lOidField.Value == null)
{
return(false);
}
if ((lOidField.Type == ModelType.String) || (lOidField.Type == ModelType.Text))
{
// String comparation (No Case Sensitive).
if (!string.Equals(lOidField.Value.ToString(), lOid.Fields[i].Value.ToString(), StringComparison.OrdinalIgnoreCase))
{
return(false);
}
}
else
{
// Object comparation.
if (!lOidField.Value.Equals(lOid.Fields[i].Value))
{
return(false);
}
}
}
return(true);
}
}
return(false);
}
