public bool hasNext()
{
if (hasNextCalled)
{
return(actualTerm != null);
}
hasNextCalled = true;
do
{
actualTerm = termEnum.term();
actualFreq = termEnum.docFreq();
// if there are no words return false
if (actualTerm == null)
{
return(false);
}
string currentField = actualTerm.field();
// if the next word doesn't have the same field return false
if (currentField != dict.field) // intern'd comparison
{
actualTerm = null;
return(false);
}
// got a valid term, does it pass the threshold?
if (isFrequent(actualTerm))
{
return(true);
}
// term not up to threshold
try {
termEnum.next();
} catch (IOException e) {
throw new java.lang.RuntimeException(e);
}
} while (true);
}
