Package | Description |
---|---|
org.apache.lucene.analysis.tokenattributes |
General-purpose attributes for text analysis.
|
org.apache.lucene.search |
Code to search indices.
|
org.apache.lucene.util |
Some utility classes.
|
Modifier and Type | Interface and Description |
---|---|
interface |
BytesTermAttribute
This attribute can be used if you have the raw term bytes to be indexed.
|
interface |
CharTermAttribute
The term text of a Token.
|
interface |
FlagsAttribute
This attribute can be used to pass different flags down the
Tokenizer chain,
e.g. |
interface |
KeywordAttribute
This attribute can be used to mark a token as a keyword.
|
interface |
OffsetAttribute
The start and end character offset of a Token.
|
interface |
PayloadAttribute
The payload of a Token.
|
interface |
PositionIncrementAttribute
Determines the position of this token
relative to the previous Token in a TokenStream, used in phrase
searching.
|
interface |
PositionLengthAttribute
Determines how many positions this
token spans.
|
interface |
TermFrequencyAttribute
Sets the custom term frequency of a term within one document.
|
interface |
TermToBytesRefAttribute
This attribute is requested by TermsHashPerField to index the contents.
|
interface |
TypeAttribute
A Token's lexical type.
|
Modifier and Type | Interface and Description |
---|---|
interface |
BoostAttribute
Add this
Attribute to a TermsEnum returned by MultiTermQuery.getTermsEnum(Terms,AttributeSource)
and update the boost on each returned term. |
static interface |
FuzzyTermsEnum.LevenshteinAutomataAttribute
reuses compiled automata across different segments,
because they are independent of the index
|
interface |
MaxNonCompetitiveBoostAttribute
Add this
Attribute to a fresh AttributeSource before calling
MultiTermQuery.getTermsEnum(Terms,AttributeSource) . |
Modifier and Type | Class and Description |
---|---|
class |
BoostAttributeImpl
Implementation class for
BoostAttribute . |
static class |
FuzzyTermsEnum.LevenshteinAutomataAttributeImpl
Stores compiled automata as a list (indexed by edit distance)
|
class |
MaxNonCompetitiveBoostAttributeImpl
Implementation class for
MaxNonCompetitiveBoostAttribute . |
Modifier and Type | Class and Description |
---|---|
class |
AttributeImpl
Base class for Attributes that can be added to a
AttributeSource . |
Modifier and Type | Method and Description |
---|---|
<T extends Attribute> |
AttributeSource.addAttribute(Class<T> attClass)
The caller must pass in a Class<? extends Attribute> value.
|
<T extends Attribute> |
AttributeSource.getAttribute(Class<T> attClass)
Returns the instance of the passed in Attribute contained in this AttributeSource
|
Modifier and Type | Method and Description |
---|---|
Iterator<Class<? extends Attribute>> |
AttributeSource.getAttributeClassesIterator()
Returns a new iterator that iterates the attribute classes
in the same order they were added in.
|
Modifier and Type | Method and Description |
---|---|
abstract AttributeImpl |
AttributeFactory.createAttributeInstance(Class<? extends Attribute> attClass)
Returns an
AttributeImpl for the supplied Attribute interface class. |
AttributeImpl |
AttributeFactory.StaticImplementationAttributeFactory.createAttributeInstance(Class<? extends Attribute> attClass) |
boolean |
AttributeSource.hasAttribute(Class<? extends Attribute> attClass)
The caller must pass in a Class<? extends Attribute> value.
|
void |
AttributeReflector.reflect(Class<? extends Attribute> attClass,
String key,
Object value)
This method gets called for every property in an
AttributeImpl /AttributeSource
passing the class name of the Attribute , a key and the actual value. |
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