From: Roland Haeder <roland@mxchange.org>
Date: Thu, 15 Oct 2015 15:38:42 +0000 (+0200)
Subject: Implemented business method countAllUserSharedAddressbooks()
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=5802fad890ee0164339f4ee3930be415470573fc;p=addressbook-ejb.git

Implemented business method countAllUserSharedAddressbooks()
---

diff --git a/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java b/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java
index 02f8f3f..bdbd3d2 100644
--- a/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java
+++ b/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java
@@ -24,6 +24,7 @@ import javax.persistence.Query;
 import org.mxchange.addressbook.exceptions.AddressbookNameAlreadyUsedException;
 import org.mxchange.addressbook.exceptions.AddressbookNotFoundException;
 import org.mxchange.addressbook.model.addressbook.entry.AddressbookEntry;
+import org.mxchange.addressbook.model.addressbook.shared.ShareableAddressbook;
 import org.mxchange.jcoreee.database.BaseDatabaseBean;
 import org.mxchange.jusercore.model.user.User;
 
@@ -55,6 +56,52 @@ public class AddressbookSessionBean extends BaseDatabaseBean implements Addressb
 		return query.getResultList();
 	}
 
+	@Override
+	@SuppressWarnings ("unchecked")
+	public Integer countAllUserSharedAddressbooks (final User user) {
+		// Trace message
+		this.getLoggerBeanLocal().logTrace(MessageFormat.format("countAllUserSharedAddressbooks: user={0} - CALLED!", user)); //NOI18N
+
+		// user should be valid
+		if (null == user) {
+			// Throw NPE
+			throw new NullPointerException("user is null"); //NOI18N
+		} else if (user.getUserId() == null) {
+			// Throw NPE again
+			throw new NullPointerException("user.userId is null"); //NOI18N
+		} else if (user.getUserId() < 1) {
+			// Invalid id
+			throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is invalid", user.getUserId())); //NOI18N
+		}
+
+		// Get named query
+		Query query = this.getEntityManager().createNamedQuery("SearchUserSharedAddressbooks"); //NOI18N
+
+		// Set parameter
+		query.setParameter("user", user); //NOI18N
+
+		// Default is zero
+		Integer count = 0;
+
+		// Try it
+		try {
+			// Get whole list
+			List<ShareableAddressbook> dummy = query.getResultList();
+
+			// Set size
+			count = dummy.size();
+		} catch (final NoResultException ex) {
+			// Need to catch this, so log it
+			this.getLoggerBeanLocal().logDebug(MessageFormat.format("countAllUserSharedAddressbooks: getResultList() failed: {0}", ex)); //NOI18N
+		}
+
+		// Trace message
+		this.getLoggerBeanLocal().logTrace(MessageFormat.format("countAllUserSharedAddressbooks: count={0} - EXIT!", count)); //NOI18N
+
+		// Return count
+		return count;
+	}
+
 	@Override
 	public Addressbook createAddressbook (final Addressbook addressbook) throws AddressbookNameAlreadyUsedException {
 		// Is it not null?