Package org.elasticsearch.index.analysis

Class Analysis

java.lang.Object

org.elasticsearch.index.analysis.Analysis

public class Analysis
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static java.util.Map<java.lang.String,java.util.Set<?>>	NAMED_STOP_WORDS

Constructor Summary

Constructors

Constructor	Description
Analysis()

Method Summary

Modifier and Type	Method	Description
static java.io.Reader	getReaderFromFile(Environment env, Settings settings, java.lang.String settingPrefix)
static java.util.List<java.lang.String>	getWordList(Environment env, Settings settings, java.lang.String settingPrefix)	Fetches a list of words from the specified settings file.
static org.apache.lucene.analysis.CharArraySet	getWordSet(Environment env, Version indexCreatedVersion, Settings settings, java.lang.String settingsPrefix)
static boolean	isNoStopwords(Settings settings)
static java.util.List<java.lang.String>	loadWordList(java.io.Reader reader, java.lang.String comment)
static org.apache.lucene.util.Version	parseAnalysisVersion(Settings indexSettings, Settings settings, org.apache.logging.log4j.Logger logger)
static org.apache.lucene.analysis.CharArraySet	parseArticles(Environment env, Version indexCreatedVersion, Settings settings)
static org.apache.lucene.analysis.CharArraySet	parseCommonWords(Environment env, Settings settings, org.apache.lucene.analysis.CharArraySet defaultCommonWords, boolean ignoreCase)
static org.apache.lucene.analysis.CharArraySet	parseStemExclusion(Settings settings, org.apache.lucene.analysis.CharArraySet defaultStemExclusion)
static org.apache.lucene.analysis.CharArraySet	parseStopWords(Environment env, Settings settings, org.apache.lucene.analysis.CharArraySet defaultStopWords, boolean ignoreCase)
static org.apache.lucene.analysis.CharArraySet	parseStopWords(Environment env, Version indexCreatedVersion, Settings settings, org.apache.lucene.analysis.CharArraySet defaultStopWords)
static org.apache.lucene.analysis.CharArraySet	parseWords(Environment env, Settings settings, java.lang.String name, org.apache.lucene.analysis.CharArraySet defaultWords, java.util.Map<java.lang.String,java.util.Set<?>> namedWords, boolean ignoreCase)

Methods inherited from class java.lang.Object

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

Field Detail

NAMED_STOP_WORDS

public static final java.util.Map<java.lang.String,java.util.Set<?>> NAMED_STOP_WORDS

Constructor Detail

Analysis

public Analysis()

Method Detail

parseAnalysisVersion

public static org.apache.lucene.util.Version parseAnalysisVersion(Settings indexSettings,
                                                                  Settings settings,
                                                                  org.apache.logging.log4j.Logger logger)

isNoStopwords

public static boolean isNoStopwords(Settings settings)

parseStemExclusion

public static org.apache.lucene.analysis.CharArraySet parseStemExclusion(Settings settings,
                                                                         org.apache.lucene.analysis.CharArraySet defaultStemExclusion)

parseWords

public static org.apache.lucene.analysis.CharArraySet parseWords(Environment env,
                                                                 Settings settings,
                                                                 java.lang.String name,
                                                                 org.apache.lucene.analysis.CharArraySet defaultWords,
                                                                 java.util.Map<java.lang.String,java.util.Set<?>> namedWords,
                                                                 boolean ignoreCase)

parseCommonWords

public static org.apache.lucene.analysis.CharArraySet parseCommonWords(Environment env,
                                                                       Settings settings,
                                                                       org.apache.lucene.analysis.CharArraySet defaultCommonWords,
                                                                       boolean ignoreCase)

parseArticles

public static org.apache.lucene.analysis.CharArraySet parseArticles(Environment env,
                                                                    Version indexCreatedVersion,
                                                                    Settings settings)

parseStopWords

public static org.apache.lucene.analysis.CharArraySet parseStopWords(Environment env,
                                                                     Version indexCreatedVersion,
                                                                     Settings settings,
                                                                     org.apache.lucene.analysis.CharArraySet defaultStopWords)

parseStopWords

public static org.apache.lucene.analysis.CharArraySet parseStopWords(Environment env,
                                                                     Settings settings,
                                                                     org.apache.lucene.analysis.CharArraySet defaultStopWords,
                                                                     boolean ignoreCase)

getWordSet

public static org.apache.lucene.analysis.CharArraySet getWordSet(Environment env,
                                                                 Version indexCreatedVersion,
                                                                 Settings settings,
                                                                 java.lang.String settingsPrefix)

getWordList

public static java.util.List<java.lang.String> getWordList(Environment env,
                                                           Settings settings,
                                                           java.lang.String settingPrefix)

Fetches a list of words from the specified settings file. The list should either be available at the key specified by settingsPrefix or in a file specified by settingsPrefix + _path.

Throws:

java.lang.IllegalArgumentException - If the word list cannot be found at either key.

loadWordList

public static java.util.List<java.lang.String> loadWordList(java.io.Reader reader,
                                                            java.lang.String comment)
                                                     throws java.io.IOException

Throws:

java.io.IOException

getReaderFromFile

public static java.io.Reader getReaderFromFile(Environment env,
                                               Settings settings,
                                               java.lang.String settingPrefix)

Returns:

null If no settings set for "settingsPrefix" then return null.

Throws:

java.lang.IllegalArgumentException - If the Reader can not be instantiated.