# Uses of Class
org.apache.lucene.queryparser.ext.ParserExtension

Packages that use ParserExtension
Package
Description
org.apache.lucene.queryparser.ext
Extendable QueryParser provides a simple and flexible extension mechanism by overloading query field names.

## Uses of ParserExtension in org.apache.lucene.queryparser.ext

Methods in org.apache.lucene.queryparser.ext that return ParserExtension
Modifier and Type
Method
Description
`final ParserExtension`
Extensions.`getExtension(String key)`
Returns the `ParserExtension` instance for the given key or `null` if no extension can be found for the key.
Methods in org.apache.lucene.queryparser.ext with parameters of type ParserExtension
Modifier and Type
Method
Description
`void`
Extensions.`add(String key, ParserExtension extension)`
Adds a new `ParserExtension` instance associated with the given key.