public class ConcatenateGraphFilterFactory extends TokenFilterFactory
ConcatenateGraphFilter
.
Version.LUCENE_8_4_0
Whether ConcatenateGraphFilter.SEP_LABEL
should separate the input tokens in the concatenated token
ConcatenateGraphFilter.DEFAULT_TOKEN_SEPARATOR
will be used.
If empty, tokens will be concatenated without any separators.
ConcatenateGraphFilter.SEP_LABEL
.
When false, it's as if there were no missing positions
(we pretend the surrounding tokens were adjacent).
TooComplexToDeterminizeException
to preserve the stability and memory of the
machine.
ConcatenateGraphFilter
Modifier and Type | Field and Description |
---|---|
private int |
maxGraphExpansions |
static java.lang.String |
NAME
SPI name
|
private boolean |
preservePositionIncrements |
private java.lang.Character |
tokenSeparator |
LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion
Constructor and Description |
---|
ConcatenateGraphFilterFactory(java.util.Map<java.lang.String,java.lang.String> args) |
Modifier and Type | Method and Description |
---|---|
TokenStream |
create(TokenStream input)
Transform the specified input TokenStream
|
protected java.lang.Character |
getCharacter(java.util.Map<java.lang.String,java.lang.String> args,
java.lang.String name,
java.lang.Character defaultVal) |
availableTokenFilters, findSPIName, forName, lookupClass, normalize, reloadTokenFilters
get, get, get, get, get, getBoolean, getChar, getClassArg, getFloat, getInt, getLines, getLuceneMatchVersion, getOriginalArgs, getPattern, getSet, getSnowballWordSet, getWordSet, isExplicitLuceneMatchVersion, require, require, require, requireBoolean, requireChar, requireFloat, requireInt, setExplicitLuceneMatchVersion, splitAt, splitFileNames
public static final java.lang.String NAME
private java.lang.Character tokenSeparator
private boolean preservePositionIncrements
private int maxGraphExpansions
public ConcatenateGraphFilterFactory(java.util.Map<java.lang.String,java.lang.String> args)
public TokenStream create(TokenStream input)
TokenFilterFactory
create
in class TokenFilterFactory
protected java.lang.Character getCharacter(java.util.Map<java.lang.String,java.lang.String> args, java.lang.String name, java.lang.Character defaultVal)