public final class DutchAnalyzer extends Analyzer
Analyzer
for Dutch language.
Supports an external list of stopwords (words that will not be indexed at all), an external list of exclusions (word that will not be stemmed, but indexed) and an external list of word-stem pairs that overrule the algorithm (dictionary stemming). A default set of stopwords is used unless an alternative list is specified, but the exclusion list is empty by default.
You must specify the required Version
compatibility when creating DutchAnalyzer:
DutchAnalyzer(Version, CharArraySet)
and
DutchAnalyzer(Version, CharArraySet, CharArraySet)
also populate
the default entries for the stem override dictionary
NOTE: This class uses the same Version
dependent settings as StandardAnalyzer
.
Analyzer.GlobalReuseStrategy, Analyzer.PerFieldReuseStrategy, Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents
Modifier and Type | Field and Description |
---|---|
static String |
DEFAULT_STOPWORD_FILE
File containing default Dutch stopwords.
|
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
Constructor and Description |
---|
DutchAnalyzer(Version matchVersion)
Builds an analyzer with the default stop words (
getDefaultStopSet() )
and a few default entries for the stem exclusion table. |
DutchAnalyzer(Version matchVersion,
CharArraySet stopwords) |
DutchAnalyzer(Version matchVersion,
CharArraySet stopwords,
CharArraySet stemExclusionTable) |
DutchAnalyzer(Version matchVersion,
CharArraySet stopwords,
CharArraySet stemExclusionTable,
CharArrayMap<String> stemOverrideDict) |
Modifier and Type | Method and Description |
---|---|
static CharArraySet |
getDefaultStopSet()
Returns an unmodifiable instance of the default stop-words set.
|
close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, tokenStream, tokenStream
public static final String DEFAULT_STOPWORD_FILE
public DutchAnalyzer(Version matchVersion)
getDefaultStopSet()
)
and a few default entries for the stem exclusion table.public DutchAnalyzer(Version matchVersion, CharArraySet stopwords)
public DutchAnalyzer(Version matchVersion, CharArraySet stopwords, CharArraySet stemExclusionTable)
public DutchAnalyzer(Version matchVersion, CharArraySet stopwords, CharArraySet stemExclusionTable, CharArrayMap<String> stemOverrideDict)
public static CharArraySet getDefaultStopSet()
Copyright © 2010 - 2020 Adobe. All Rights Reserved