Module org.apache.lucene.core

Package org.apache.lucene.util

Class RamUsageEstimator.RamUsageQueryVisitor

java.lang.Object

org.apache.lucene.search.QueryVisitor

org.apache.lucene.util.RamUsageEstimator.RamUsageQueryVisitor

Enclosing class:

RamUsageEstimator

private static final class RamUsageEstimator.RamUsageQueryVisitor
extends QueryVisitor

Field Summary

Fields

Modifier and Type	Field	Description
(package private) long	defSize
(package private) Query	root
(package private) long	total

Fields inherited from class org.apache.lucene.search.QueryVisitor

EMPTY_VISITOR

Constructor Summary

Constructors

Constructor	Description
RamUsageQueryVisitor(Query root, long defSize)

Method Summary

Modifier and Type	Method	Description
void	consumeTerms(Query query, Term... terms)	Called by leaf queries that match on specific terms
QueryVisitor	getSubVisitor(BooleanClause.Occur occur, Query parent)	Pulls a visitor instance for visiting child clauses of a query
void	visitLeaf(Query query)	Called by leaf queries that do not match on terms

Methods inherited from class org.apache.lucene.search.QueryVisitor

acceptField, consumeTermsMatching, termCollector

Methods inherited from class java.lang.Object

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

Field Details

total

long total

defSize

long defSize

root

Query root

Constructor Details

RamUsageQueryVisitor

RamUsageQueryVisitor(Query root,
 long defSize)

Method Details

consumeTerms

public void consumeTerms(Query query,
 Term... terms)

Description copied from class: QueryVisitor

Called by leaf queries that match on specific terms

Overrides:

consumeTerms in class QueryVisitor

Parameters:

query - the leaf query

terms - the terms the query will match on

visitLeaf

public void visitLeaf(Query query)

Description copied from class: QueryVisitor

Called by leaf queries that do not match on terms

Overrides:

visitLeaf in class QueryVisitor

Parameters:

query - the query

getSubVisitor

public QueryVisitor getSubVisitor(BooleanClause.Occur occur,
 Query parent)

Description copied from class: QueryVisitor

Pulls a visitor instance for visiting child clauses of a query

The default implementation returns this, unless occur is equal to BooleanClause.Occur.MUST_NOT in which case it returns QueryVisitor.EMPTY_VISITOR

Overrides:

getSubVisitor in class QueryVisitor

Parameters:

occur - the relationship between the parent and its children

parent - the query visited