com.yahoo.prelude.query.parser

Class WebParser

java.lang.Object

com.yahoo.prelude.query.parser.AbstractParser

com.yahoo.prelude.query.parser.StructuredParser

com.yahoo.prelude.query.parser.SimpleParser

com.yahoo.prelude.query.parser.AllParser

com.yahoo.prelude.query.parser.WebParser

All Implemented Interfaces:

CustomParser, Parser

public class WebParser
extends AllParser

Parser for web search queries. Language:

• +item: always include this item as-is when searching (term becomes protected)
• -item: Exclude item when searching (terms becomes protected)
• a OR b (capital or): Or search for a or b
• "a b": Phrase search for a followed by b

Author:

bratseth

Nested Class Summary

Nested classes/interfaces inherited from class com.yahoo.prelude.query.parser.AbstractParser

AbstractParser.Submodes

Field Summary

Fields inherited from class com.yahoo.prelude.query.parser.AbstractParser

braceLevelURL, environment, indexFacts, language, submodes, tokens

Constructor Summary

Constructors

Constructor and Description
WebParser(ParserEnvironment environment)

Method Summary

Modifier and Type	Method and Description
protected Item	parseItemsBody()
protected void	setSubmodeFromIndex(String indexName, Set<String> searchDefinitions)

Methods inherited from class com.yahoo.prelude.query.parser.AllParser

addAnd, addNot, addOr, combineItems, negativeItem, parseItems, simplifyUnnecessaryComposites

Methods inherited from class com.yahoo.prelude.query.parser.SimpleParser

anyItems, handleComposite, positiveItem

Methods inherited from class com.yahoo.prelude.query.parser.StructuredParser

compositeItem, indexableItem, setSubmodeFromIndex

Methods inherited from class com.yahoo.prelude.query.parser.AbstractParser

normalize, parse, parse, segment, setState, simplifyPhrases, tokenize

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.yahoo.prelude.query.parser.CustomParser

parse

Constructor Detail

WebParser

public WebParser(ParserEnvironment environment)

Method Detail

parseItemsBody

protected Item parseItemsBody()

Overrides:

parseItemsBody in class AllParser

setSubmodeFromIndex

protected void setSubmodeFromIndex(String indexName,
                                   Set<String> searchDefinitions)