From: Roland Haeder <roland@mxchange.org>
Date: Thu, 15 Oct 2015 16:00:34 +0000 (+0200)
Subject: added caching of those count requests (currently unfinished)
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=62a29e9adcc653b77101a117def643eb4dcab604;p=jfinancials-war.git

added caching of those count requests (currently unfinished)
---

diff --git a/src/java/org/mxchange/addressbook/beans/addressbook/AddressbookWebBean.java b/src/java/org/mxchange/addressbook/beans/addressbook/AddressbookWebBean.java
index e69455e7..99d51ea2 100644
--- a/src/java/org/mxchange/addressbook/beans/addressbook/AddressbookWebBean.java
+++ b/src/java/org/mxchange/addressbook/beans/addressbook/AddressbookWebBean.java
@@ -22,6 +22,7 @@ import java.util.Calendar;
 import java.util.Collections;
 import java.util.GregorianCalendar;
 import java.util.List;
+import java.util.concurrent.ConcurrentMap;
 import javax.annotation.PostConstruct;
 import javax.enterprise.context.SessionScoped;
 import javax.enterprise.event.Observes;
@@ -81,6 +82,11 @@ public class AddressbookWebBean implements AddressbookWebController {
 	 */
 	private User addressbookUser;
 
+	/**
+	 * Map for count of user's shared addresses
+	 */
+	private static ConcurrentMap<User, Integer> countSharesList;
+
 	/**
 	 * Login controller
 	 */
@@ -112,6 +118,9 @@ public class AddressbookWebBean implements AddressbookWebController {
 			// Throw again
 			throw new FaceletException(e);
 		}
+
+		// Init list
+		// TODO: AddressbookWebBean.countSharesList = new ConcurrentHashMap<>(this.addressbookBean.getUserCountMap());
 	}
 
 	@Override
@@ -229,8 +238,20 @@ public class AddressbookWebBean implements AddressbookWebController {
 
 	@Override
 	public Integer countAllUserSharedAddressbooks (final User user) {
-		// Call EJB
-		return this.addressbookBean.countAllUserSharedAddressbooks(user);
+		// Is there cache?
+		if (AddressbookWebBean.countSharesList.containsKey(user)) {
+			// Return it instead
+			return AddressbookWebBean.countSharesList.get(user);
+		}
+
+		// Call EJB ("expensive")
+		Integer count = this.addressbookBean.countAllUserSharedAddressbooks(user);
+
+		// Add to list
+		AddressbookWebBean.countSharesList.put(user, count);
+
+		// Return it
+		return count;
 	}
 
 	@Override