org.apache.lucene.spatial.prefix

Class PrefixTreeFacetCounter.FacetVisitor

java.lang.Object

org.apache.lucene.spatial.prefix.PrefixTreeFacetCounter.FacetVisitor

Enclosing class:

PrefixTreeFacetCounter

public abstract static class PrefixTreeFacetCounter.FacetVisitor
extends Object

A callback/visitor of facet counts.

Constructor Summary

Constructors

Constructor and Description
FacetVisitor()

Method Summary

Modifier and Type	Method and Description
void	startOfSegment() Called at the start of the segment, if there is indexed data.
abstract void	visit(Cell cell, int count) Called for cells with a leaf, or cells at the target facet level.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FacetVisitor

public FacetVisitor()

Method Detail

startOfSegment

public void startOfSegment()

Called at the start of the segment, if there is indexed data.

visit

public abstract void visit(Cell cell,
                           int count)

Called for cells with a leaf, or cells at the target facet level. count is greater than zero. When an ancestor cell is given with non-zero count, the count can be considered to be added to all cells below. You won't necessarily get a cell at level facetLevel if the indexed data is courser (bigger).