Uses of Class
org.apache.lucene.index.pruning.PruningPolicy

Packages that use PruningPolicy
org.apache.lucene.index.pruning
Static Index Pruning Tools 
 

Uses of PruningPolicy in org.apache.lucene.index.pruning
 

Subclasses of PruningPolicy in org.apache.lucene.index.pruning
 class CarmelTopKTermPruningPolicy
          Pruning policy with a search quality parameterized guarantee - configuration of this policy allows to specify two parameters: k and ε such that:
 class CarmelUniformTermPruningPolicy
          Enhanced implementation of Carmel Uniform Pruning,
 class RIDFTermPruningPolicy
          Implementation of TermPruningPolicy that uses "residual IDF" metric to determine the postings of terms to keep/remove, as defined in http://www.dc.fi.udc.es/~barreiro/publications/blanco_barreiro_ecir2007.pdf.
 class StorePruningPolicy
          Pruning policy for removing stored fields from documents.
 class TermPruningPolicy
          Policy for producing smaller index out of an input index, by examining its terms and removing from the index some or all of their data as follows: all terms of a certain field - see TermPruningPolicy.pruneAllFieldPostings(String) all data of a certain term - see TermPruningPolicy.pruneTermEnum(TermEnum) all positions of a certain term in a certain document - see #pruneAllPositions(TermPositions, Term) some positions of a certain term in a certain document - see #pruneSomePositions(int, int[], Term)
 class TFTermPruningPolicy
          Policy for producing smaller index out of an input index, by removing postings data for those terms where their in-document frequency is below a specified threshold.