/// <summary>Returns the next input Token, after being stemmed </summary>
public override Token Next()
{
Token token = input.Next();
if (token == null)
{
return(null);
}
stemmer.SetCurrent(token.TermText());
try
{
stemMethod.Invoke(stemmer, (System.Object[])EMPTY_ARGS);
}
catch (System.Exception e)
{
throw new System.SystemException(e.ToString());
}
Token newToken = new Token(stemmer.GetCurrent(), token.StartOffset(), token.EndOffset(), token.Type());
newToken.SetPositionIncrement(token.GetPositionIncrement());
return(newToken);
}
/// <summary>Returns the next input Token, after being stemmed </summary>
public sealed override bool IncrementToken()
{
if (input.IncrementToken())
{
String originalTerm = termAtt.Term;
stemmer.SetCurrent(originalTerm);
stemmer.Stem();
String finalTerm = stemmer.GetCurrent();
// Don't bother updating, if it is unchanged.
if (!originalTerm.Equals(finalTerm))
{
termAtt.SetTermBuffer(finalTerm);
}
return(true);
}
else
{
return(false);
}
}