Package | Description |
---|---|
com.yahoo.prelude.query |
The query model representing a boolean combination of selection criterions, where elements may be
simple criterions, nested boolean operators, or annotated pieces of natural language text.
|
com.yahoo.prelude.querytransform |
Modifier and Type | Class and Description |
---|---|
class |
AndSegmentItem
An immutable and'ing of a collection of sub-expressions.
|
class |
ExactStringItem
Used to signal that this term requires exact match if the backend supports it.
|
class |
IndexedSegmentItem
Common implementation for Item classes implementing the IndexedItem interface.
|
class |
IntItem
This represents either
a number (integer or floating point)
a partial range, given by "<number" or ">number", where the numbers are exclusive, or
a full or open range "[number;number], "[number;]" or "[;number]" where the numbers are inclusive,
or exclusive if a square bracket is replaced with a pointy one
If a range is specified in brackets, it is also permissible to add a third number specifying the number of hits this
will match on each node - [from;to;hitLimit]
|
class |
MarkerWordItem
Special words known by the index used for marking things.
|
class |
PhraseSegmentItem
A term which contains a fixed length phrase, a collection of word terms,
resulting from a single segmentation operation.
|
class |
PrefixItem
A word which matches beginnings of words instead of complete words
|
class |
RangeItem
This class represents a numeric range.
|
class |
RegExpItem
Match a field with the contained regular expression.
|
class |
SegmentItem
An immutable and'ing of a collection of sub-expressions.
|
class |
SubstringItem
A word that matches substrings of words
|
class |
SuffixItem
A word that matches a suffix of words instead of a complete word.
|
class |
TaggableSegmentItem
Common implementation for Item classes implementing the TaggableItem interface.
|
class |
TermItem
A query term, that is, not only a term in the query language
(an item), but also a term to be found in (or excluded from)
the search index.
|
class |
WordAlternativesItem
A set words with differing exactness scores to be used for literal boost
ranking.
|
class |
WordItem
A term item containing a single word.
|
Modifier and Type | Method and Description |
---|---|
BlockItem |
PhraseItem.getBlockItem(int index)
Returns a subitem as a block item,
|
Modifier and Type | Method and Description |
---|---|
private void |
StemmingSearcher.andSegmentConnectivity(BlockItem current,
Map<Item,TaggableItem> reverseConnectivity,
CompositeItem composite) |
private Item |
StemmingSearcher.checkBlock(BlockItem b,
boolean isCJK,
com.yahoo.language.Language language,
IndexFacts.Session indexFacts,
Map<Item,TaggableItem> reverseConnectivity) |
private CompositeItem |
StemmingSearcher.chooseCompositeForCJK(BlockItem current,
CompositeItem parent,
String indexName) |
private AndSegmentItem |
StemmingSearcher.createAndSegment(BlockItem current) |
private StemmingSearcher.Connectivity |
StemmingSearcher.getConnectivity(BlockItem current) |
private Substring |
StemmingSearcher.getOffsets(BlockItem b) |
private double |
StemmingSearcher.getSignificance(BlockItem blockItem) |
private boolean |
StemmingSearcher.hasExplicitSignificance(BlockItem blockItem) |
private void |
NormalizingSearcher.normalizeBlocks(com.yahoo.language.Language language,
IndexFacts.Session indexFacts,
BlockItem block,
ListIterator<Item> i) |
private CompositeItem |
StemmingSearcher.phraseSegment(BlockItem current,
String indexName) |
private void |
StemmingSearcher.phraseSegmentConnectivity(BlockItem current,
Map<Item,TaggableItem> reverseConnectivity,
PhraseSegmentItem replacement) |
private void |
StemmingSearcher.setConnectivity(BlockItem current,
Map<Item,TaggableItem> reverseConnectivity,
Item replacement) |
private void |
StemmingSearcher.setMetaData(BlockItem current,
Map<Item,TaggableItem> reverseConnectivity,
TaggableItem replacement) |
private void |
StemmingSearcher.setSignificance(PhraseSegmentItem target,
BlockItem original) |
private void |
StemmingSearcher.setSignificance(TaggableItem target,
BlockItem original) |
private TaggableItem |
StemmingSearcher.singleWordSegment(BlockItem current,
com.yahoo.language.process.StemList segment,
Index index,
Substring substring) |
private Item |
StemmingSearcher.stem(BlockItem current,
boolean isCJK,
com.yahoo.language.Language language,
Map<Item,TaggableItem> reverseConnectivity,
Index index) |
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