/// <summary>
/// Convert fields according to the storage attribute. For newly created field assign default value to that field.
/// </summary>
/// <param name="sourceDataSourceDefinition"></param>
/// <param name="destinationDataSourceDefinition"></param>
/// <param name="sourceValues"></param>
/// <param name="destinationValues"></param>
private void ConvertFields(DataSourceDefinition sourceDataSourceDefinition, DataSourceDefinition destinationDataSourceDefinition,
FieldValues sourceValues, FieldValues destinationValues)
{
FieldsMap fieldsMap = new FieldsMap(sourceDataSourceDefinition.Fields, destinationDataSourceDefinition.Fields);
DBField sourceField = null;
FieldValue sourceValue = null;
for (int destinationFieldIndex = 0; destinationFieldIndex < destinationDataSourceDefinition.Fields.Count; destinationFieldIndex++)
{
int sourceFieldIndex = fieldsMap.GetSourceFieldIndex(destinationFieldIndex);
DBField destinationField = destinationDataSourceDefinition.Fields[destinationFieldIndex];
FieldValue destinationValue = destinationValues[destinationFieldIndex];
// If source field exists and source and destination types are comapatible then convert field values.
// Else assign default value to destination field.
if (sourceFieldIndex != -1)
{
sourceField = sourceDataSourceDefinition.Fields[sourceFieldIndex];
sourceValue = sourceValues[sourceFieldIndex];
if (StorageAttributeCheck.IsTypeCompatibile((StorageAttribute)sourceField.Attr, (StorageAttribute)destinationField.Attr))
{
ConvertFieldValue(sourceField, destinationField, sourceValue, destinationValue);
}
else
{
destinationValue.Value = destinationField.DefaultValue;
destinationValue.IsNull = destinationField.DefaultNull;
}
}
else
{
destinationValue.Value = destinationField.DefaultValue;
destinationValue.IsNull = destinationField.DefaultNull;
}
}
}