Package com.yahoo.prelude.query.parser

Class AdvancedParser

java.lang.Object

com.yahoo.prelude.query.parser.AbstractParser

com.yahoo.prelude.query.parser.AdvancedParser

All Implemented Interfaces:

CustomParser, Parser

@Deprecated
public class AdvancedParser
extends AbstractParser

Deprecated.

YQL should be used for formal queries

Parser for queries of type 'advanced'.

Author:

Steinar Knutsen

Field Summary

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

braceLevelURL, defaultIndex, environment, indexFacts, language, submodes, tokens

Constructor Summary

Constructors

Constructor	Description
AdvancedParser(ParserEnvironment environment)	Deprecated.

Method Summary

Modifier and Type	Method	Description
protected Item	compositeItem()
protected Item	handleComposite(boolean topLevel)	Deprecated.
protected com.yahoo.collections.Pair<Item,Boolean>	indexableItem(String indexPath)	Returns an item and whether it had an explicit index ('indexname:' prefix).
protected Item	parseItems()	Deprecated.
protected void	setSubmodeFromIndex(String indexName, IndexFacts.Session indexFacts)	Sets the submodes used for url parsing.
protected Item	word(String indexName, boolean quoted)	Returns a WordItem if this is a non CJK query, a WordItem or SegmentItem if this is a CJK query, null if the current item is not a word

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

newComposite, 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 Details

AdvancedParser

public AdvancedParser(ParserEnvironment environment)

Deprecated.

Method Details

parseItems

protected Item parseItems()

Deprecated.

Specified by:

parseItems in class AbstractParser

handleComposite

protected Item handleComposite(boolean topLevel)

Deprecated.

compositeItem

protected Item compositeItem()

setSubmodeFromIndex

protected void setSubmodeFromIndex(String indexName,
 IndexFacts.Session indexFacts)

Sets the submodes used for url parsing. Override this to influence when such submodes are used.

indexableItem

protected com.yahoo.collections.Pair<Item,Boolean> indexableItem(String indexPath)

Returns an item and whether it had an explicit index ('indexname:' prefix).

Parameters:

indexPath - the index name prefix this is in the context of, only non-empty if this is inside a sameElement. The path includes the index name and the trailing dot.

Returns:

an item and whether it has an explicit index, or a Pair with the first element null if none

word

protected Item word(String indexName,
 boolean quoted)

Returns a WordItem if this is a non CJK query, a WordItem or SegmentItem if this is a CJK query, null if the current item is not a word

Parameters:

quoted - whether this token is inside quotes