3 * An interface for contract partners
5 * @author Roland Haeder <roland __NOSPAM__ [at] __REMOVE_ME__ mxchange [dot] org>
8 interface ContractPartner extends FrameworkInterface {
10 * This is a contract partner
12 * @param $contractInstance Must be a valid instance of WorksContract
13 * @return boolean true = can be a contract partner,
14 * false = no partner for contracts
16 function isContractPartner (WorksContract $contractInstance);