From: Roland Häder <roland@mxchange.org>
Date: Tue, 31 Jan 2023 13:22:06 +0000 (+0100)
Subject: Continued:
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=74b1072618968409c87f527d751e012f43f72d58;p=jcustomer-core.git

Continued:
- the to-be-referenced contact instance need to be persisted first, an existing
  primary key (we believe here it isn't fake) is a good indication for that
---

diff --git a/src/org/mxchange/jcustomercore/model/customer/ContactCustomer.java b/src/org/mxchange/jcustomercore/model/customer/ContactCustomer.java
index 593fe47..f601ead 100644
--- a/src/org/mxchange/jcustomercore/model/customer/ContactCustomer.java
+++ b/src/org/mxchange/jcustomercore/model/customer/ContactCustomer.java
@@ -16,6 +16,7 @@
  */
 package org.mxchange.jcustomercore.model.customer;
 
+import java.text.MessageFormat;
 import java.util.Date;
 import java.util.Objects;
 import javax.persistence.Basic;
@@ -151,6 +152,12 @@ public class ContactCustomer implements Customer {
 		} else if (null == customerContact) {
 			// Throw NPE again
 			throw new NullPointerException("customerContact is null"); //NOI18N
+		} else if (customerContact.getContactId() == null) {
+			// Throw NPE again
+			throw new NullPointerException("customerContact.contactId is null"); //NOI18N
+		} else if (customerContact.getContactId() < 1) {
+			// Throw IAE
+			throw new IllegalArgumentException(MessageFormat.format("customerContact.contactId={0} is invalid", customerContact.getContactId())); //NOI18N
 		} else if (null == customerNumber) {
 			// Throw NPE again
 			throw new NullPointerException("customerNumber is null"); //NOI18N