From 9963ed90200de527da466728b0f49a31e228de8c Mon Sep 17 00:00:00 2001
From: Luca Frosini <luca.frosini@isti.cnr.it>
Date: Thu, 1 Oct 2015 14:24:50 +0000
Subject: [PATCH] Fixed bug found by findbugs

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/accounting/accounting-analytics@119320 82a268e6-3cf1-43bd-a215-b396298e98cf
---
 .../org/gcube/accounting/analytics/ResourceRecordQuery.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/org/gcube/accounting/analytics/ResourceRecordQuery.java b/src/main/java/org/gcube/accounting/analytics/ResourceRecordQuery.java
index cac1fa7..c183975 100644
--- a/src/main/java/org/gcube/accounting/analytics/ResourceRecordQuery.java
+++ b/src/main/java/org/gcube/accounting/analytics/ResourceRecordQuery.java
@@ -40,7 +40,7 @@ public class ResourceRecordQuery {
 	 * Records Types
 	 * @return the Map
 	 */
-	public static Map<Class<? extends SingleUsageRecord>, Set<String>> getResourceRecordsTypes() {
+	public static synchronized Map<Class<? extends SingleUsageRecord>, Set<String>> getResourceRecordsTypes() {
 		if(resourceRecords==null){
 			resourceRecords = new HashMap<Class<? extends SingleUsageRecord>, Set<String>>();
 			Package usageRecordPackage = ServiceUsageRecord.class.getPackage();