Closeable, AutoCloseablepublic 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 | Description |
|---|---|---|
static String[] |
CZECH_STOP_WORDS |
Deprecated.
use
getDefaultStopSet() instead |
static String |
DEFAULT_STOPWORD_FILE |
File containing default Czech stopwords.
|
| Constructor | 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,
String... 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. |
| Modifier and Type | Method | 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 |
close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setPreviousTokenStream@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
{@link above}public CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
Set<?> stopwords)
matchVersion - Lucene version to match See
{@link above}stopwords - a stopword setpublic CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
Set<?> stopwords,
Set<?> stemExclusionTable)
CzechStemFilter.matchVersion - Lucene version to match See
{@link above}stopwords - 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
{@link above}stopwords - a stopword set@Deprecated public CzechAnalyzer(org.apache.lucene.util.Version matchVersion, HashSet<?> stopwords)
CzechAnalyzer(Version, Set) insteadmatchVersion - Lucene version to match See
{@link above}stopwords - 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
{@link above}stopwords - 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 © 2000-2018 Apache Software Foundation. All Rights Reserved.