@Deprecated public final class CJKTokenizer extends Tokenizer
The tokens returned are every two adjacent characters with overlap match.
Example: "java C1C2C3C4" will be segmented to: "java" "C1C2" "C2C3" "C3C4".
Additionally, the following is applied to Latin text (such as English):AttributeSource.AttributeFactory, AttributeSource.State
Constructor and Description |
---|
CJKTokenizer(AttributeSource.AttributeFactory factory,
Reader in)
Deprecated.
|
CJKTokenizer(Reader in)
Deprecated.
Construct a token stream processing the given input.
|
Modifier and Type | Method and Description |
---|---|
void |
end()
Deprecated.
This method is called by the consumer after the last token has been
consumed, after
TokenStream.incrementToken() returned false
(using the new TokenStream API). |
boolean |
incrementToken()
Deprecated.
Returns true for the next token in the stream, or false at EOS.
|
void |
reset()
Deprecated.
This method is called by a consumer before it begins consumption using
TokenStream.incrementToken() . |
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState, toString
public CJKTokenizer(Reader in)
in
- I/O readerpublic CJKTokenizer(AttributeSource.AttributeFactory factory, Reader in)
public boolean incrementToken() throws IOException
incrementToken
in class TokenStream
IOException
- - throw IOException when read error public final void end() throws IOException
TokenStream
TokenStream.incrementToken()
returned false
(using the new TokenStream
API). Streams implementing the old API
should upgrade to use this feature.
This method can be used to perform any end-of-stream operations, such as
setting the final offset of a stream. The final offset of a stream might
differ from the offset of the last token eg in case one or more whitespaces
followed after the last token, but a WhitespaceTokenizer was used.
Additionally any skipped positions (such as those removed by a stopfilter) can be applied to the position increment, or any adjustment of other attributes where the end-of-stream value may be important.
If you override this method, always call super.end()
.
end
in class TokenStream
IOException
- If an I/O error occurspublic void reset() throws IOException
TokenStream
TokenStream.incrementToken()
.
Resets this stream to a clean state. Stateful implementations must implement this method so that they can be reused, just as if they had been created fresh.
If you override this method, always call super.reset()
, otherwise
some internal state will not be correctly reset (e.g., Tokenizer
will
throw IllegalStateException
on further usage).
reset
in class Tokenizer
IOException
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