public TermNumToString[] prefetch(QuickHashMap<GroupListCache.GroupList,RefRow> groups) throws IOException
{
TermNumToString[] tm=new TermNumToString[this.ufs.length];
for(int i=0;i<this.ufs.length;i++)
{
tm[i]=new TermNumToString(this.ufs,i);
}
for(Entry<GroupListCache.GroupList,RefRow> e:groups.entrySet())
{
int[] group=e.getKey().list;