public final class CzechAnalyzer
extends org.apache.lucene.analysis.ReusableAnalyzerBase
Analyzer for Czech language.
Supports an external list of stopwords (words that will not be indexed at all). A default set of stopwords is used unless an alternative list is specified.
You must specify the required Version compatibility when creating
CzechAnalyzer:
CzechStemFilter
| Modifier and Type | Field and Description |
|---|---|
static String[] |
CZECH_STOP_WORDS
Deprecated.
use
getDefaultStopSet() instead |
static String |
DEFAULT_STOPWORD_FILE
File containing default Czech stopwords.
|
| Constructor and Description |
|---|
CzechAnalyzer(org.apache.lucene.util.Version matchVersion)
Builds an analyzer with the default stop words (
getDefaultStopSet()). |
CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
File stopwords)
Deprecated.
use
CzechAnalyzer(Version, Set) instead |
CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
HashSet<?> stopwords)
Deprecated.
use
CzechAnalyzer(Version, Set) instead |
CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
Set<?> stopwords)
Builds an analyzer with the given stop words.
|
CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
Set<?> stopwords,
Set<?> stemExclusionTable)
Builds an analyzer with the given stop words and a set of work to be
excluded from the
CzechStemFilter. |
CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
String... stopwords)
Deprecated.
use
CzechAnalyzer(Version, Set) instead |
| Modifier and Type | Method and Description |
|---|---|
protected org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents |
createComponents(String fieldName,
Reader reader)
Creates
ReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the provided Reader. |
static Set<?> |
getDefaultStopSet()
Returns a set of default Czech-stopwords
|
void |
loadStopWords(InputStream wordfile,
String encoding)
Deprecated.
use
WordlistLoader.getWordSet(Reader, String, Version)
and CzechAnalyzer(Version, Set) instead |
initReader, reusableTokenStream, tokenStream@Deprecated public static final String[] CZECH_STOP_WORDS
getDefaultStopSet() insteadpublic static final String DEFAULT_STOPWORD_FILE
public CzechAnalyzer(org.apache.lucene.util.Version matchVersion)
getDefaultStopSet()).matchVersion - Lucene version to match See
abovepublic CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
Set<?> stopwords)
matchVersion - Lucene version to match See
abovestopwords - a stopword setpublic CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
Set<?> stopwords,
Set<?> stemExclusionTable)
CzechStemFilter.matchVersion - Lucene version to match See
abovestopwords - a stopword setstemExclusionTable - a stemming exclusion set@Deprecated public CzechAnalyzer(org.apache.lucene.util.Version matchVersion, String... stopwords)
CzechAnalyzer(Version, Set) insteadmatchVersion - Lucene version to match See
abovestopwords - a stopword set@Deprecated public CzechAnalyzer(org.apache.lucene.util.Version matchVersion, HashSet<?> stopwords)
CzechAnalyzer(Version, Set) insteadmatchVersion - Lucene version to match See
abovestopwords - a stopword set@Deprecated public CzechAnalyzer(org.apache.lucene.util.Version matchVersion, File stopwords) throws IOException
CzechAnalyzer(Version, Set) insteadmatchVersion - Lucene version to match See
abovestopwords - a file containing stopwordsIOExceptionpublic static final Set<?> getDefaultStopSet()
@Deprecated public void loadStopWords(InputStream wordfile, String encoding)
WordlistLoader.getWordSet(Reader, String, Version)
and CzechAnalyzer(Version, Set) insteadwordfile - File containing the wordlistencoding - Encoding used (win-1250, iso-8859-2, ...), null for default system encodingprotected org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents createComponents(String fieldName, Reader reader)
ReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the provided Reader.createComponents in class org.apache.lucene.analysis.ReusableAnalyzerBaseReusableAnalyzerBase.TokenStreamComponents
built from a StandardTokenizer filtered with
StandardFilter, LowerCaseFilter, StopFilter
, and CzechStemFilter (only if version is >= LUCENE_31). If
a version is >= LUCENE_31 and a stem exclusion set is provided via
CzechAnalyzer(Version, Set, Set) a
KeywordMarkerFilter is added before
CzechStemFilter.Copyright © 2000-2015 Apache Software Foundation. All Rights Reserved.