Uses of Class
org.apache.lucene.util.PriorityQueue

Packages that use PriorityQueue
Package
Description
Utilities for evaluation, data preparation, etc.
Pluggable term index / block terms dictionary implementations.
Code to maintain and access indices.
Miscellaneous Lucene utilities that don't really fit anywhere else.
Misc search implementations.
Intervals queries
Document similarity query generators.
The calculus of spans.
Additional queries (some may have caveats or limitations)
This package contains a flexible graph-based proximity query, TermAutomatonQuery, and geospatial queries.
Code to search indices.
Comparators, used to compare hits so as to determine their sort order when collecting the top results with TopFieldCollector.
Grouping.
Highlighting search terms.
Suggest alternate spellings for words.
Support for Autocomplete/Autosuggest
Support for document suggestion
Some utility classes.
Block KD-tree, implementing the generic spatial data structure described in this paper.