--- /dev/null
+<?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]
+?>