public class NGramTokenFilter
extends org.apache.lucene.analysis.TokenFilter
Modifier and Type | Field and Description |
---|---|
static int |
DEFAULT_MAX_NGRAM_SIZE |
static int |
DEFAULT_MIN_NGRAM_SIZE |
Constructor and Description |
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NGramTokenFilter(org.apache.lucene.analysis.TokenStream input)
Creates NGramTokenFilter with default min and max n-grams.
|
NGramTokenFilter(org.apache.lucene.analysis.TokenStream input,
int minGram,
int maxGram)
Creates NGramTokenFilter with given min and max n-grams.
|
Modifier and Type | Method and Description |
---|---|
boolean |
incrementToken()
Returns the next token in the stream, or null at EOS.
|
org.apache.lucene.analysis.Token |
next()
Deprecated.
Will be removed in Lucene 3.0. This method is final, as it should
not be overridden. Delegates to the backwards compatibility layer.
|
org.apache.lucene.analysis.Token |
next(org.apache.lucene.analysis.Token reusableToken)
Deprecated.
Will be removed in Lucene 3.0. This method is final, as it should
not be overridden. Delegates to the backwards compatibility layer.
|
void |
reset() |
getOnlyUseNewAPI, setOnlyUseNewAPI
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, restoreState, toString
public static final int DEFAULT_MIN_NGRAM_SIZE
public static final int DEFAULT_MAX_NGRAM_SIZE
public NGramTokenFilter(org.apache.lucene.analysis.TokenStream input, int minGram, int maxGram)
input
- TokenStream
holding the input to be tokenizedminGram
- the smallest n-gram to generatemaxGram
- the largest n-gram to generatepublic NGramTokenFilter(org.apache.lucene.analysis.TokenStream input)
input
- TokenStream
holding the input to be tokenizedpublic final boolean incrementToken() throws java.io.IOException
incrementToken
in class org.apache.lucene.analysis.TokenStream
java.io.IOException
public final org.apache.lucene.analysis.Token next(org.apache.lucene.analysis.Token reusableToken) throws java.io.IOException
next
in class org.apache.lucene.analysis.TokenStream
java.io.IOException
public final org.apache.lucene.analysis.Token next() throws java.io.IOException
next
in class org.apache.lucene.analysis.TokenStream
java.io.IOException
public void reset() throws java.io.IOException
reset
in class org.apache.lucene.analysis.TokenFilter
java.io.IOException
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