<?php
/**
 * An interface for all customers
 *
 * @author		Roland Haeder <webmaster@shipsimu.org>
 * @version		0.0.0
 * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 Ship-Simu Developer Team
 * @license		GNU GPL 3.0 or any newer version
 * @link		http://www.shipsimu.org
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
interface Customer extends FrameworkInterface {
	/**
	 * Adds a contract to the customer's list
	 *
	 * @param	$contractInstance	A valid instance to WorksContract
	 * @return	void
	 */
	function addNewWorksContract (SignableContract $contractInstance);

	/**
	 * Signs a works contract.
	 *
	 * @param	$contractInstance	A valid instance to WorksContract
	 * @param	$partnerInstance	An instance the other contract partner
	 * @return	void
	 * @throws	InvalidContractPartnerException		If the in $contractInstance
	 *										set contract partner is
	 *										not the expected
	 */
	function signContract (SignableContract $contractInstance, ContractPartner $partnerInstance);

	/**
	 * Withdraw from a signed contract
	 *
	 * @param	$contractInstance	A valid instance to WorksContract
	 * @return	void
	 */
	function withdrawFromContract (SignableContract $contractInstance);
}

// [EOF]
?>