Package com.yahoo.prelude.query

Class BoolItem

java.lang.Object

com.yahoo.prelude.query.Item

com.yahoo.prelude.query.SimpleTaggableItem

com.yahoo.prelude.query.SimpleIndexedItem

com.yahoo.prelude.query.TermItem

com.yahoo.prelude.query.BoolItem

All Implemented Interfaces:

BlockItem, HasIndexItem, IndexedItem, TaggableItem, Cloneable

public class BoolItem
extends TermItem

A true/false term suitable for searching bool indexes.

Author:

bratseth

Nested Class Summary

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

Item.ItemCreator, Item.ItemType

Field Summary

Fields inherited from class com.yahoo.prelude.query.Item

connectedBacklink, connectedItem, connectivity, DEFAULT_WEIGHT, documentFrequency, explicitSignificance, significance, uniqueID

Constructor Summary

Constructors

Constructor	Description
BoolItem(boolean value)
BoolItem(boolean value, String indexName)
BoolItem(boolean value, String indexName, boolean isFromQuery)

Method Summary

Modifier and Type	Method	Description
protected void	appendHeadingString(StringBuilder buffer)	Word items uses a empty heading instead of "WORD "
protected void	encodeThis(ByteBuffer buffer)
boolean	equals(Object object)	Returns whether this item is of the same class and contains the same state as the given item.
String	getIndexedString()	Return the searchable term contents of this item.
Item.ItemType	getItemType()	Returns ItemType.WORD as we do not want a string binding from the parsed query to index types
String	getName()	Returns the name of this item
int	getNumWords()	Returns how many phrase words does this item contain
String	getRawWord()	Returns the same as stringValue
int	hashCode()
boolean	isStemmed()
boolean	isWords()	Returns true if this consists of regular word characters.
void	setValue(boolean value)
void	setValue(String stringValue)	Sets the value from a string
String	stringValue()	Returns "true" or "false"
boolean	value()

Methods inherited from class com.yahoo.prelude.query.TermItem

appendBodyString, disclose, encode, getOrigin, getSegmentingRule, getTermCount, isFromQuery, isLowercased, isNormalizable, setFromQuery, setLowercased, setNormalizable, setOrigin, setSegmentingRule

Methods inherited from class com.yahoo.prelude.query.SimpleIndexedItem

appendIndexString, getFieldName, getIndexName, setIndexName

Methods inherited from class com.yahoo.prelude.query.SimpleTaggableItem

getConnectedItem, getConnectivity, getDocumentFrequency, getSignificance, getUniqueID, hasExplicitSignificance, hasUniqueID, setConnectivity, setDocumentFrequency, setExplicitSignificance, setSignificance, setUniqueID

Methods inherited from class com.yahoo.prelude.query.Item

addAnnotation, clone, getAnnotation, getBytes, getCode, getCreator, getLabel, getLanguage, getParent, getWeight, hasAnnotation, hasConnectivityBackLink, hasPrefixMatchSemantics, isFilter, isFromSpecialToken, isProtected, isRanked, isRoot, putBytes, putString, setCreator, setFilter, setFromSpecialToken, setHasUniqueID, setLabel, setLanguage, setParent, setPositionData, setProtected, setRanked, setWeight, shouldParenthesize, toString, usePositionData

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.yahoo.prelude.query.HasIndexItem

getIndexName

Constructor Details

BoolItem

public BoolItem(boolean value)

BoolItem

public BoolItem(boolean value,
 String indexName)

BoolItem

public BoolItem(boolean value,
 String indexName,
 boolean isFromQuery)

Method Details

getItemType

public Item.ItemType getItemType()

Returns ItemType.WORD as we do not want a string binding from the parsed query to index types

Specified by:

getItemType in class Item

getName

public String getName()

Description copied from class: Item

Returns the name of this item

Specified by:

getName in class Item

encodeThis

protected void encodeThis(ByteBuffer buffer)

Overrides:

encodeThis in class SimpleIndexedItem

value

public boolean value()

stringValue

public String stringValue()

Returns "true" or "false"

setValue

public void setValue(boolean value)

setValue

public void setValue(String stringValue)

Sets the value from a string

Specified by:

setValue in class TermItem

Parameters:

stringValue - "true" or "false"

Throws:

IllegalArgumentException - if the given value is not equal to "true" nor "false" (ignoring case)

getRawWord

public String getRawWord()

Returns the same as stringValue

Specified by:

getRawWord in interface BlockItem

Specified by:

getRawWord in class TermItem

isStemmed

public boolean isStemmed()

appendHeadingString

protected void appendHeadingString(StringBuilder buffer)

Word items uses a empty heading instead of "WORD "

Overrides:

appendHeadingString in class Item

hashCode

public int hashCode()

Overrides:

hashCode in class TermItem

equals

public boolean equals(Object object)

Description copied from class: Item

Returns whether this item is of the same class and contains the same state as the given item.

Overrides:

equals in class TermItem

getNumWords

public int getNumWords()

Description copied from interface: HasIndexItem

Returns how many phrase words does this item contain

getIndexedString

public String getIndexedString()

Description copied from interface: IndexedItem

Return the searchable term contents of this item.

Specified by:

getIndexedString in interface IndexedItem

Specified by:

getIndexedString in class SimpleIndexedItem

Returns:

a string representation of what is presumably stored in an index which will match this item

isWords

public boolean isWords()

Returns true if this consists of regular word characters. Returns false if this represents a "special token"

Specified by:

isWords in interface BlockItem

Specified by:

isWords in class TermItem