From: Roland Haeder <roland@mxchange.org>
Date: Tue, 13 Oct 2015 10:07:31 +0000 (+0200)
Subject: Implemented business method isAddressbookIdUsed()
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=c7f77bb94edc3dcb3c18a6caaa3a312c24db79a7;p=addressbook-mailer-ejb.git

Implemented business method isAddressbookIdUsed()
Signed-off-by:Roland Häder <roland@mxchange.org>
---

diff --git a/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java b/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java
index ef6472b..84cca40 100644
--- a/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java
+++ b/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java
@@ -109,6 +109,42 @@ public class AddressbookSessionBean extends BaseDatabaseBean implements Addressb
 		return addressbook;
 	}
 
+	@Override
+	public boolean isAddressbookIdUsed (final Long addressbookId) {
+		// Is it null or zero?
+		if (null == addressbookId) {
+			// Throw NPE
+			throw new NullPointerException("addressbookId is null"); //NOI18N
+		} else if (addressbookId < 1) {
+			// Not valid id number
+			throw new IllegalArgumentException(MessageFormat.format("addressbookId is not valid: {0}", addressbookId)); //NOI18N
+		}
+
+		// Get query instance
+		Query query = this.getEntityManager().createNamedQuery("FindAddressbookById");
+
+		// Set parameter
+		query.setParameter("id", addressbookId);
+
+		// Default is not valid
+		boolean isValid = false;
+
+		// Try it again, yes no other way
+		try {
+			// Get single result
+			Addressbook addressbook = (Addressbook) query.getSingleResult();
+
+			// Found one!
+			isValid = true;
+		} catch (final NoResultException ex) {
+			// Debug log only, maybe out-dated link followed
+			this.getLoggerBeanLocal().logDebug(MessageFormat.format("isAddressbookIdUsed: addressbookId={0} is not valid: {1}", addressbookId, ex));
+		}
+
+		// Return result
+		return isValid;
+	}
+
 	@Override
 	public boolean isAddressbookNameUsed (final Addressbook addressbook) {
 		// Is it not null?
@@ -148,7 +184,7 @@ public class AddressbookSessionBean extends BaseDatabaseBean implements Addressb
 			isUsed = true;
 		} catch (final NoResultException ex) {
 			// No result found, so log it away
-			this.getLoggerBeanLocal().logDebug("isAddressbookNameUsed: getSingleResult() did not return a result: " + ex); //NOI18N
+			this.getLoggerBeanLocal().logDebug(MessageFormat.format("isAddressbookNameUsed: getSingleResult() did not return a result: {0}", ex)); //NOI18N //NOI18N
 		}
 
 		// Return result