From: Roland Häder <roland@mxchange.org>
Date: Wed, 27 Apr 2016 09:49:36 +0000 (+0200)
Subject: implemented business method linkCustomer()
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=8ae3f2388d322e1443cfa58858131da477524ca5;p=pizzaservice-ejb.git

implemented business method linkCustomer()
---

diff --git a/src/java/org/mxchange/pizzaapplication/model/customer/PizzaAdminCustomerSessionBean.java b/src/java/org/mxchange/pizzaapplication/model/customer/PizzaAdminCustomerSessionBean.java
index ed9e578..21feee5 100644
--- a/src/java/org/mxchange/pizzaapplication/model/customer/PizzaAdminCustomerSessionBean.java
+++ b/src/java/org/mxchange/pizzaapplication/model/customer/PizzaAdminCustomerSessionBean.java
@@ -178,4 +178,55 @@ public class PizzaAdminCustomerSessionBean extends BasePizzaDatabaseBean impleme
 		return customerNumber;
 	}
 
+	@Override
+	public Customer linkCustomer (final Customer customer) throws CustomerAlreadyRegisteredException {
+		// Parameters must be valid
+		if (null == customer) {
+			// Throw NPE
+			throw new NullPointerException("customer is null");
+		} else if (customer.getCustomerContact() == null) {
+			// Throw NPE again
+			throw new NullPointerException("customer.customerContact is null"); //NOI18N
+		} else if (customer.getCustomerContact().getContactId() == null) {
+			// Throw NPE again
+			throw new NullPointerException("customer.customerContact.contactId is null"); //NOI18N
+		} else if (customer.getCustomerContact().getContactId() < 1) {
+			// Throw NPE again
+			throw new NullPointerException(MessageFormat.format("customer.customerContact.contactId={0} is not valid", customer.getCustomerContact().getContactId())); //NOI18N
+		} else if (customer.getCustomerNumber() == null) {
+			// Customer numbers should be set, at least generate one with CustomerUtils
+			throw new NullPointerException("customer.customerNumber is null"); //NOI18N
+		} else if (customer.getCustomerNumber().length() < RateCalcAdminCustomerSessionBeanRemote.CUSTOMER_NUMBER_LENGTH) {
+			// To short number
+			throw new IllegalArgumentException(MessageFormat.format("customer.customerNumber.length={0} is shorter than expected: {1}", customer.getCustomerNumber().length(), RateCalcAdminCustomerSessionBeanRemote.CUSTOMER_NUMBER_LENGTH)); //NOI18N
+		} else if (this.customerBean.isReqistered(customer)) {
+			// Throw exception
+			throw new CustomerAlreadyRegisteredException(customer);
+		}
+
+		// Set created timestamp
+		customer.setCustomerCreated(new GregorianCalendar());
+
+		// Try to find the contact instance
+		Contact foundContact = this.getEntityManager().find(customer.getCustomerContact().getClass(), customer.getCustomerContact().getContactId());
+
+		// Try to merge it
+		Contact detachedContact = this.getEntityManager().merge(foundContact);
+
+		// Set it in customer
+		customer.setCustomerContact(detachedContact);
+
+		// Persist customer
+		this.getEntityManager().persist(customer);
+
+		// Flush it to get id
+		this.getEntityManager().flush();
+
+		// Trace message
+		this.getLoggerBeanLocal().logTrace(MessageFormat.format("linkUser: customer.customerId={0} - EXIT!", customer.getCustomerId())); //NOI18N
+
+		// Return updated instance
+		return customer;
+	}
+
 }