Author: hoang_to Date: 2010-11-01 21:28:58 -0400 (Mon, 01 Nov 2010) New Revision: 4894 Modified: portal/branches/branch-GTNPORTAL-1592/webui/framework/src/main/java/org/exoplatform/webui/config/Component.java Log: GTNPORTAL-1541: Concurrency problem in Breadcumbs portlet Modified: portal/branches/branch-GTNPORTAL-1592/webui/framework/src/main/java/org/exoplatform/webui/config/Component.java =================================================================== --- portal/branches/branch-GTNPORTAL-1592/webui/framework/src/main/java/org/exoplatform/webui/config/Component.java 2010-11-01 21:25:30 UTC (rev 4893) +++ portal/branches/branch-GTNPORTAL-1592/webui/framework/src/main/java/org/exoplatform/webui/config/Component.java 2010-11-02 01:28:58 UTC (rev 4894) @@ -176,21 +176,33 @@ public Event getUIComponentEventConfig(String eventName) throws Exception { - if (eventMap != null) + if(eventMap == null) { - return eventMap.get(eventName); + synchronized(this) + { + if(eventMap == null) + { + eventMap = new HashMap<String, Event>(); + + if (events == null) + { + return null; + } + + for (Event event : events) + { + createCachedEventListeners(event); + eventMap.put(event.getName(), event); + } + } + + return eventMap.get(eventName); + } } - eventMap = new HashMap<String, Event>(); - if (events == null) + else { - return null; + return eventMap.get(eventName); } - for (Event event : events) - { - createCachedEventListeners(event); - eventMap.put(event.getName(), event); - } - return eventMap.get(eventName); } public List<EventListener> getUIComponentEventListeners(String eventName) throws Exception