Package org.apache.lucene.analysis.ja.dict

Class UnknownDictionary

java.lang.Object

org.apache.lucene.analysis.ja.dict.BinaryDictionary

org.apache.lucene.analysis.ja.dict.UnknownDictionary

All Implemented Interfaces:

Dictionary

public final class UnknownDictionary
extends BinaryDictionary

Dictionary for unknown-word handling.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	UnknownDictionary.SingletonHolder

Nested classes/interfaces inherited from class org.apache.lucene.analysis.ja.dict.BinaryDictionary

BinaryDictionary.ResourceScheme

Field Summary

Fields

Modifier and Type	Field	Description
private CharacterDefinition	characterDefinition

Fields inherited from class org.apache.lucene.analysis.ja.dict.BinaryDictionary

DICT_FILENAME_SUFFIX, DICT_HEADER, HAS_BASEFORM, HAS_PRONUNCIATION, HAS_READING, POSDICT_FILENAME_SUFFIX, POSDICT_HEADER, TARGETMAP_FILENAME_SUFFIX, TARGETMAP_HEADER, VERSION

Fields inherited from interface org.apache.lucene.analysis.ja.dict.Dictionary

INTERNAL_SEPARATOR

Constructor Summary

Constructors

Modifier	Constructor	Description
private	UnknownDictionary()
	UnknownDictionary(java.net.URL targetMapUrl, java.net.URL posDictUrl, java.net.URL dictUrl)	Create a UnknownDictionary from an external resource URL (e.g.
	UnknownDictionary(java.nio.file.Path targetMapFile, java.nio.file.Path posDictFile, java.nio.file.Path dictFile)	Create a UnknownDictionary from an external resource path.
	UnknownDictionary(BinaryDictionary.ResourceScheme scheme, java.lang.String path)	Deprecated, for removal: This API element is subject to removal in a future version. replaced by UnknownDictionary(Path, Path, Path) for files and UnknownDictionary(URL, URL, URL) for classpath/module resources

Method Summary

Modifier and Type	Method	Description
CharacterDefinition	getCharacterDefinition()
private static java.io.InputStream	getClassResource(java.lang.String suffix)
java.lang.String	getInflectionForm(int wordId)	Get inflection form of tokens
java.lang.String	getInflectionType(int wordId)	Get inflection type of tokens
static UnknownDictionary	getInstance()
java.lang.String	getReading(int wordId, char[] surface, int off, int len)	Get reading of tokens
int	lookup(char[] text, int offset, int len)

Methods inherited from class org.apache.lucene.analysis.ja.dict.BinaryDictionary

getBaseForm, getLeftId, getPartOfSpeech, getPronunciation, getResource, getRightId, getWordCost, lookupWordIds

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

characterDefinition

private final CharacterDefinition characterDefinition

Constructor Detail

UnknownDictionary

@Deprecated(forRemoval=true,
            since="9.1")
public UnknownDictionary(BinaryDictionary.ResourceScheme scheme,
                         java.lang.String path)
                  throws java.io.IOException

Deprecated, for removal: This API element is subject to removal in a future version.

replaced by UnknownDictionary(Path, Path, Path) for files and UnknownDictionary(URL, URL, URL) for classpath/module resources

Parameters:

scheme - scheme for loading resources (FILE or CLASSPATH).

path - where to load resources from; a path, including the file base name without extension; this is used to match multiple files with the same base name.

Throws:

java.io.IOException

UnknownDictionary

public UnknownDictionary(java.nio.file.Path targetMapFile,
                         java.nio.file.Path posDictFile,
                         java.nio.file.Path dictFile)
                  throws java.io.IOException

Create a UnknownDictionary from an external resource path.

Parameters:

targetMapFile - where to load target map resource

posDictFile - where to load POS dictionary resource

dictFile - where to load dictionary entries resource

Throws:

java.io.IOException - if resource was not found or broken

UnknownDictionary

public UnknownDictionary(java.net.URL targetMapUrl,
                         java.net.URL posDictUrl,
                         java.net.URL dictUrl)
                  throws java.io.IOException

Create a UnknownDictionary from an external resource URL (e.g. from Classpath with ClassLoader.getResource(String)).

Parameters:

targetMapUrl - where to load target map resource

posDictUrl - where to load POS dictionary resource

dictUrl - where to load dictionary entries resource

Throws:

java.io.IOException - if resource was not found or broken

UnknownDictionary

private UnknownDictionary()
                   throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getClassResource

private static java.io.InputStream getClassResource(java.lang.String suffix)
                                             throws java.io.IOException

Throws:

java.io.IOException

lookup

public int lookup(char[] text,
                  int offset,
                  int len)

getCharacterDefinition

public CharacterDefinition getCharacterDefinition()

getReading

public java.lang.String getReading(int wordId,
                                   char[] surface,
                                   int off,
                                   int len)

Description copied from interface: Dictionary

Get reading of tokens

Specified by:

getReading in interface Dictionary

Overrides:

getReading in class BinaryDictionary

Parameters:

wordId - word ID of token

Returns:

Reading of the token

getInflectionType

public java.lang.String getInflectionType(int wordId)

Description copied from interface: Dictionary

Get inflection type of tokens

Specified by:

getInflectionType in interface Dictionary

Overrides:

getInflectionType in class BinaryDictionary

Parameters:

wordId - word ID of token

Returns:

inflection type, or null

getInflectionForm

public java.lang.String getInflectionForm(int wordId)

Description copied from interface: Dictionary

Get inflection form of tokens

Specified by:

getInflectionForm in interface Dictionary

Overrides:

getInflectionForm in class BinaryDictionary

Parameters:

wordId - word ID of token

Returns:

inflection form, or null

getInstance

public static UnknownDictionary getInstance()