org.apache.lucene.analysis.miscellaneous
Class LengthFilter
java.lang.Object
org.apache.lucene.util.AttributeSource
org.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.lucene.analysis.util.FilteringTokenFilter
org.apache.lucene.analysis.miscellaneous.LengthFilter
- All Implemented Interfaces:
- Closeable
public final class LengthFilter
- extends FilteringTokenFilter
Removes words that are too long or too short from the stream.
Note: Length is calculated as the number of UTF-16 code units.
Methods inherited from class org.apache.lucene.util.AttributeSource |
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState |
LengthFilter
@Deprecated
public LengthFilter(Version version,
boolean enablePositionIncrements,
TokenStream in,
int min,
int max)
- Deprecated. enablePositionIncrements=false is not supported anymore as of Lucene 4.4.
LengthFilter
public LengthFilter(Version version,
TokenStream in,
int min,
int max)
- Create a new
LengthFilter
. This will filter out tokens whose
CharTermAttribute
is either too short (CharSequence.length()
< min) or too long (CharSequence.length()
> max).
- Parameters:
version
- the Lucene match versionin
- the TokenStream
to consumemin
- the minimum lengthmax
- the maximum length
accept
public boolean accept()
- Description copied from class:
FilteringTokenFilter
- Override this method and return if the current input token should be returned by
FilteringTokenFilter.incrementToken()
.
- Specified by:
accept
in class FilteringTokenFilter
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