[SOLR-1118] InsertPrefixTokenFilterFactory and InsertSuffixTokenFilterFactory

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 1.3
• Component/s: Schema and Analysis
• Assignee: Unassigned
• Reporter: Karl Wettin
• Created: 16/Apr/09 10:42
• Updated: 16/Mar/13 19:14
• Resolved: 16/Mar/13 19:14

Description

/**
 * Inserts a single token as prefix to the stream.
 * Useful to increase precision/recall of shingles located in the very begining of a stream.
 *
 * Accept the following arguments:
 *
 *   type: token type value of the prefix token
 * 
 *   text: text value of the prefix token
 *
 *   positionIncrement: positionIncrement of the prefix token.
 *
 *   trailingPositionIncrement: position increment of the first token in the input stream,
 *                              given the position increment of that token is set to 0.
 *
 * @see InsertSuffixTokenFilterFactory
 */
public class InsertPrefixTokenFilterFactory extends BaseTokenFilterFactory {

/**
 * Inserts a single token as a suffix in the stream.
 * Useful to increase precision/recall of shingles located in the very end of a stream.
 *
 * Accept the following arguments:
 *
 *   type: token type value of the suffix token
 *
 *   text: text value of the suffix token
 *
 *   positionIncrement: position increment of the suffix token.
 *
 *
 * @see InsertPrefixTokenFilterFactory
 */
public class InsertSuffixTokenFilterFactory extends BaseTokenFilterFactory {