public static void ChangeObject(this IAlterProcessor proc, IAbstractObjectStructure obj, IAbstractObjectStructure newObj)
{
var tbl = obj as ITableStructure;
if (tbl != null)
{
throw new AlterNotPossibleError();
}
var col = obj as IColumnStructure;
if (col != null)
{
proc.ChangeColumn(col, (IColumnStructure)newObj);
return;
}
var cnt = obj as IConstraint;
if (cnt != null)
{
proc.ChangeConstraint(cnt, (IConstraint)newObj);
return;
}
var spe = obj as ISpecificObjectStructure;
if (spe != null)
{
proc.ChangeSpecificObject(spe, (ISpecificObjectStructure)newObj);
return;
}
var sch = obj as ISchemaStructure;
if (sch != null)
{
proc.ChangeSchema(sch, (ISchemaStructure)newObj);
return;
}
var dom = obj as IDomainStructure;
if (dom != null)
{
proc.ChangeDomain(dom, (IDomainStructure)newObj);
return;
}
}