public bool IsFieldDirty(string fieldName)
{
Schema.Field field = GetField(fieldName);
object currentValue = field.GetValue(this);
object dirtyValue = GetDirtyValue(fieldName);
if (currentValue == null && dirtyValue == null)
{
return(false);
}
return(currentValue == null ? !dirtyValue.Equals(currentValue) : !currentValue.Equals(dirtyValue));
}
protected virtual List <FKConstraintConflict> GetFKConstraintConflicts(ITransaction transaction)
{
List <FKConstraintConflict> fKConstraintConflicts = new List <FKConstraintConflict>();
SchemaObject mySchemaObject = Schema.Schema.GetSchemaObject(GetType());
Schema.Field primaryKeyField = mySchemaObject.PrimaryKeyField;
foreach (RelationshipList relationshipList in Schema.Schema.GetSchemaObject(GetType()).GetRelationshipLists())
{
SchemaObject relatedSchemaObject = Schema.Schema.GetSchemaObject(relationshipList.RelatedObjectType);
Schema.Field relatedField = relatedSchemaObject.GetField(relationshipList.ForeignKeyName);
ISelectQuery relationshipListQuery = SQLProviderFactory.GetSelectQuery();
relationshipListQuery.SelectList.Add(relatedSchemaObject.PrimaryKeyField.FieldName);
relationshipListQuery.Table = new Table(relatedSchemaObject.SchemaName, relatedSchemaObject.ObjectName);
relationshipListQuery.WhereCondition = new Condition()
{
Left = (Base.Data.Operand.Field)relatedField.FieldName,
ConditionType = Condition.ConditionTypes.Equal,
Right = new Literal(primaryKeyField.GetValue(this))
};
DataTable results = relationshipListQuery.Execute(transaction);
foreach (DataRow row in results.Rows)
{
FKConstraintConflict fKConstraintConflict = new FKConstraintConflict();
fKConstraintConflict.ConflictType = relationshipList.RelatedObjectType;
fKConstraintConflict.ForeignKey = row[relatedSchemaObject.PrimaryKeyField.FieldName] as long?;
fKConstraintConflict.ForeignKeyName = relatedField.FieldName;
fKConstraintConflict.ActionType = relationshipList.AutoDeleteReferences ?
FKConstraintConflict.ActionTypes.AutoDeleteReference :
relationshipList.AutoRemoveReferences ?
FKConstraintConflict.ActionTypes.AutoRemoveReference :
FKConstraintConflict.ActionTypes.Conflict;
fKConstraintConflicts.Add(fKConstraintConflict);
}
}
return(fKConstraintConflicts);
}
