/// <summary>
///Returns the best scoring token in the active set
///
///@return the best scoring token or null
/// <summary>
public Token getBestActiveToken()
{
Token bestToken = null;
if (activeList != null)
{
foreach (Token token in activeList.getTokens())
{
if (bestToken == null ||
token.getScore() > bestToken.getScore())
{
bestToken = token;
}
}
}
return(bestToken);
}
/**
* Calculate the acoustic scores for the active list. The active list should
* contain only emitting tokens.
*
* @return <code>true</code> if there are more frames to score, otherwise,
* false
*/
protected bool scoreTokens()
{
bool hasMoreFrames = false;
scoreTimer.start();
Data data = scorer.calculateScores(activeList.getTokens());
scoreTimer.stop();
Token bestToken = null;
if (data is Token)
{
bestToken = (Token)data;
}
else if (data == null)
{
streamEnd = true;
}
if (bestToken != null)
{
hasMoreFrames = true;
activeList.setBestToken(bestToken);
}
// update statistics
curTokensScored.value += activeList.size();
totalTokensScored.value += activeList.size();
tokensPerSecond.value = totalTokensScored.value / getTotalTime();
// if (logger.isLoggable(Level.FINE)) {
// logger.fine(currentFrameNumber + " " + activeList.size()
// + " " + curTokensScored.value + " "
// + (int) tokensPerSecond.value);
// }
return(hasMoreFrames);
}