public Contained lookup_id(java.lang.String search_id) {
        LocalContained c = _lookup_id(search_id);

        if (c == null)
            return null;

        return ContainedHelper.narrow(c.getReference());
    }
public Contained lookup_id(java.lang.String search_id) {
        LocalContained c = _lookup_id(search_id);

        if (c == null)
            return null;

        return ContainedHelper.narrow(c.getReference());
    }
public Contained lookup_id ( java . lang . String search_id ) { LocalContained c = _lookup_id ( search_id ) ; if ( c == null ) return null ; return ContainedHelper . narrow ( c . getReference ( ) ) ; }
Repository implementation -------------------------------------
Repository implementation -------------------------------------