Package org.apache.lucene.queryparser.flexible.core.builders

Necessary classes to implement query builders.

Query Parser Builders

The package org.apache.lucene.queryParser.builders contains the interface that builders must implement, it also contain a utility QueryTreeBuilder, which walks the tree and call the Builder for each node in the tree. Builder normally convert QueryNode Object into a Lucene Query Object, and normally it's a one-to-one mapping class.

But other builders implementations can by written to convert QueryNode objects to other non lucene objects.

Interface Summary

Interface	Description
QueryBuilder	This interface is used by implementors classes that builds some kind of object from a query tree.

Class Summary

Class	Description
QueryTreeBuilder	This class should be used when there is a builder for each type of node.