public class ConfluenceNGramTokenFilter
extends org.apache.lucene.analysis.TokenFilter
Modifier and Type | Class and Description |
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static interface |
ConfluenceNGramTokenFilter.Callback
Callback interface to allow filtering on n-gram tokens
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Modifier and Type | Field and Description |
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static ConfluenceNGramTokenFilter.Callback |
ALL_GRAMS |
static int |
DEFAULT_MAX_NGRAM_SIZE |
static int |
DEFAULT_MIN_NGRAM_SIZE |
static ConfluenceNGramTokenFilter.Callback |
EXCLUDE_START_GRAMS |
static ConfluenceNGramTokenFilter.Callback |
ONLY_START_GRAMS |
Constructor and Description |
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ConfluenceNGramTokenFilter(org.apache.lucene.analysis.TokenStream input,
ConfluenceNGramTokenFilter.Callback callback)
Creates NGramTokenFilter with default min and max n-grams.
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ConfluenceNGramTokenFilter(org.apache.lucene.analysis.TokenStream input,
int minGram,
int maxGram,
ConfluenceNGramTokenFilter.Callback callback)
Creates NGramTokenFilter with given min and max n-grams.
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Modifier and Type | Method and Description |
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boolean |
incrementToken() |
void |
reset() |
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState
public static final int DEFAULT_MIN_NGRAM_SIZE
public static final int DEFAULT_MAX_NGRAM_SIZE
public static final ConfluenceNGramTokenFilter.Callback EXCLUDE_START_GRAMS
public static final ConfluenceNGramTokenFilter.Callback ALL_GRAMS
public static final ConfluenceNGramTokenFilter.Callback ONLY_START_GRAMS
public ConfluenceNGramTokenFilter(org.apache.lucene.analysis.TokenStream input, int minGram, int maxGram, ConfluenceNGramTokenFilter.Callback callback)
input
- TokenStream holding the input to be tokenizedminGram
- the smallest n-gram to generatemaxGram
- the largest n-gram to generatecallback
- this is called before a n-gram token is addedpublic ConfluenceNGramTokenFilter(org.apache.lucene.analysis.TokenStream input, ConfluenceNGramTokenFilter.Callback callback)
input
- TokenStream holding the input to be tokenizedcallback
- this is called before a n-gram token is addedpublic final boolean incrementToken() throws IOException
incrementToken
in class org.apache.lucene.analysis.TokenStream
IOException
public void reset() throws IOException
reset
in class org.apache.lucene.analysis.TokenFilter
IOException
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