Convenience method; Tokenizes the given field text and adds the resulting
terms to the index; Equivalent to adding an indexed non-keyword Lucene
Field that is
tokenized,
not stored,
termVectorStored with positions (or
termVectorStored with positions and offsets),
Iterates over the given token stream and adds the resulting terms to the index;
Equivalent to adding a tokenized, indexed, termVectorStored, unstored,
Lucene Field.
Convenience method; Creates and returns a token stream that generates a
token for each keyword in the given collection, "as is", without any
transforming text analysis.