Closeable
, AutoCloseable
public final class NGramTokenFilter extends TokenFilter
AttributeSource.AttributeFactory, AttributeSource.State
Modifier and Type | Field | Description |
---|---|---|
static int |
DEFAULT_MAX_NGRAM_SIZE |
|
static int |
DEFAULT_MIN_NGRAM_SIZE |
input
Constructor | Description |
---|---|
NGramTokenFilter(TokenStream input) |
Creates NGramTokenFilter with default min and max n-grams.
|
NGramTokenFilter(TokenStream input,
int minGram,
int maxGram) |
Creates NGramTokenFilter with given min and max n-grams.
|
Modifier and Type | Method | Description |
---|---|---|
boolean |
incrementToken() |
Returns the next token in the stream, or null at EOS.
|
void |
reset() |
Reset the filter as well as the input TokenStream.
|
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState, toString
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
close, end
public static final int DEFAULT_MIN_NGRAM_SIZE
public static final int DEFAULT_MAX_NGRAM_SIZE
public NGramTokenFilter(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(TokenStream input)
input
- TokenStream
holding the input to be tokenizedpublic final boolean incrementToken() throws IOException
incrementToken
in class TokenStream
IOException
public void reset() throws IOException
TokenFilter
reset
in class TokenFilter
IOException
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