Package com.yahoo.prelude.query

Class AndSegmentItem

java.lang.Object

com.yahoo.prelude.query.Item

com.yahoo.prelude.query.CompositeItem

com.yahoo.prelude.query.SegmentItem

com.yahoo.prelude.query.AndSegmentItem

All Implemented Interfaces:

BlockItem, HasIndexItem, Cloneable

public class AndSegmentItem
extends SegmentItem
implements BlockItem

An immutable and'ing of a collection of sub-expressions. It does not extend AndItem to avoid code using instanceof handling it as an AndItem.

Author:

Steinar Knutsen

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
AndSegmentItem(PhraseSegmentItem item)
AndSegmentItem(String rawWord, boolean isFromQuery, boolean stemmed)
AndSegmentItem(String rawWord, String current, boolean isFromQuery, boolean stemmed)

Method Summary

Modifier and Type	Method	Description
String	getIndexName()
Item.ItemType	getItemType()	Return the enumerated type of this item.
String	getName()	Returns the name of this item
void	setWeight(int w)	Sets the relative importance of this term

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

addItem, addItem, clone, disclose, equals, getNormalized, getNumWords, getOrigin, getRawWord, getSegmentingRule, hashCode, isFromQuery, isFromUser, isLocked, isStemmed, isWords, lock, removeItem, removeItem, setFromUser, setSegmentingRule, setStemmed, shouldFoldIntoWand, shouldFoldIntoWand, stringValue

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

acceptsItemsOfType, adding, appendBodyString, encode, encodeThis, encodingArity, ensureNotInSubtree, extractSingleChild, getItem, getItemCount, getItemIndex, getItemIterator, getTermCount, items, setIndexName, setItem, shouldParenthesize

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

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

Methods inherited from class java.lang.Object

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

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

getOrigin, getRawWord, getSegmentingRule, isFromQuery, isStemmed, isWords, stringValue

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

getNumWords

Constructor Details

AndSegmentItem

public AndSegmentItem(String rawWord,
 boolean isFromQuery,
 boolean stemmed)

AndSegmentItem

public AndSegmentItem(String rawWord,
 String current,
 boolean isFromQuery,
 boolean stemmed)

AndSegmentItem

public AndSegmentItem(PhraseSegmentItem item)

Method Details

getItemType

public Item.ItemType getItemType()

Description copied from class: Item

Return the enumerated type of this item.

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

getIndexName

public String getIndexName()

Specified by:

getIndexName in interface HasIndexItem

setWeight

public void setWeight(int w)

Description copied from class: Item

Sets the relative importance of this term

Overrides:

setWeight in class Item