Apache Solr Reference Guide Covering Apache Solr 6.0

this filter is most often used for special situations.
Factory class: solr.TrimFilterFactory
Arguments:
updateOffsets: if luceneMatchVersion is 4.3 or earlier and updateOffsets="true" , trimmed tokens'
start and end offsets will be updated to those of the first and last characters (plus one) remaining in the token. T
his argument is invalid if luceneMatchVersion is 5.0 or later.
Example:
The PatternTokenizerFactory configuration used here splits the input on simple commas, it does not remove
whitespace.
In: "one, two , three ,four "
Tokenizer to Filter: "one", " two ", " three ", "four "
Out: "one", "two", "three", "four"
Type As Payload Filter
This filter adds the token's type, as an encoded byte sequence, as its payload.
Factory class: solr.TypeAsPayloadTokenFilterFactory
Arguments: None
Example:
In: "Pay Bob's I.O.U."
Tokenizer to Filter: "Pay", "Bob's", "I.O.U."
Out: "Pay"[], "Bob's"[], "I.O.U."[]
Type Token Filter
This filter blacklists or whitelists a specified list of token types, assuming the tokens have type metadata
associated with them. For example, the UAX29 URL Email Tokenizer emits "" and "" typed
tokens, as well as other types. This filter would allow you to pull out only e-mail addresses from text as tokens, if
you wish.
Factory class: solr.TypeTokenFilterFactory
Arguments:
types: Defines the location of a file of types to filter.
Apache Solr Reference Guide 6.0
140