|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object org.apache.lucene.util.AttributeSource org.apache.lucene.analysis.TokenStream org.apache.lucene.analysis.TokenFilter org.apache.lucene.analysis.ngram.NGramTokenFilter
public final class NGramTokenFilter
Tokenizes the input into n-grams of the given size(s).
Nested Class Summary |
---|
Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource |
---|
org.apache.lucene.util.AttributeSource.AttributeFactory, org.apache.lucene.util.AttributeSource.State |
Field Summary | |
---|---|
static int |
DEFAULT_MAX_NGRAM_SIZE
|
static int |
DEFAULT_MIN_NGRAM_SIZE
|
Fields inherited from class org.apache.lucene.analysis.TokenFilter |
---|
input |
Constructor Summary | |
---|---|
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. |
Method Summary | |
---|---|
boolean |
incrementToken()
Returns the next token in the stream, or null at EOS. |
void |
reset()
|
Methods inherited from class org.apache.lucene.analysis.TokenFilter |
---|
close, end |
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, toString |
Methods inherited from class java.lang.Object |
---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
---|
public static final int DEFAULT_MIN_NGRAM_SIZE
public static final int DEFAULT_MAX_NGRAM_SIZE
Constructor Detail |
---|
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 tokenizedMethod Detail |
---|
public 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
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |