How to using infolog.globalCache in Class

1)
// USR Changed on 05 七月 2012 at 17:07:36 by Admin
static void THK_SysGlobalCacheSetFromClass(Args _args)
{
    SysGlobalCache  globalCache = infolog.objectOnServer() ? appl.globalCache() : infolog.globalCache();
;
    if (!globalCache.isSet(curUserId(), sessionId()))
    {
        infoLog.globalCache().set(curUserId(), sessionId(), "Split");
        appl.globalCache().set(curUserId(), sessionId(), "Split");
    }
    try
    {
        //do something ... ...
    }
    catch(Exception::Error)
    {
        if (globalCache.isSet(curUserId(), sessionId()))
            globalCache.remove(curuserid(), sessionid());
    }
    if (globalCache.isSet(curUserId(), sessionId()))
        globalCache.remove(curuserid(), sessionid());
}
2)
// USR Changed on 05 七月 2012 at 17:07:40 by Admin
static void THK_SysGlobalCacheGetFromClass(Args _args)
{
    anyType                 cacheValue;
    SysGlobalCache          globalCache = infolog.objectOnServer() ? appl.globalCache() : infolog.globalCache();
;
    if(globalCache.isSet(curuserid(),sessionid()))
    {
        cacheValue = globalCache.get(curuserid(),sessionid());
    }
}