Package org.apache.lucene.analysis.th
Class ThaiTokenizer
java.lang.Object
org.apache.lucene.util.AttributeSource
org.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.Tokenizer
org.apache.lucene.analysis.util.SegmentingTokenizerBase
org.apache.lucene.analysis.th.ThaiTokenizer
- All Implemented Interfaces:
Closeable
,AutoCloseable
Tokenizer that use
BreakIterator
to tokenize Thai text.
WARNING: this tokenizer may not be supported by all JREs. It is known to work with Sun/Oracle and Harmony JREs. If your application needs to be fully portable, consider using ICUTokenizer instead, which uses an ICU Thai BreakIterator that will always be available.
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Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource
AttributeSource.State
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Field Summary
Modifier and TypeFieldDescriptionstatic final boolean
True if the JRE supports a working dictionary-based breakiterator for Thai.Fields inherited from class org.apache.lucene.analysis.util.SegmentingTokenizerBase
buffer, BUFFERMAX, offset
Fields inherited from class org.apache.lucene.analysis.TokenStream
DEFAULT_TOKEN_ATTRIBUTE_FACTORY
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Constructor Summary
ConstructorDescriptionCreates a new ThaiTokenizerThaiTokenizer
(AttributeFactory factory) Creates a new ThaiTokenizer, supplying the AttributeFactory -
Method Summary
Modifier and TypeMethodDescriptionprotected boolean
Returns true if another word is availableprotected void
setNextSentence
(int sentenceStart, int sentenceEnd) Provides the next input sentence for analysisMethods inherited from class org.apache.lucene.analysis.util.SegmentingTokenizerBase
end, incrementToken, isSafeEnd, reset
Methods inherited from class org.apache.lucene.analysis.Tokenizer
close, correctOffset, setReader, setReaderTestPoint
Methods inherited from class org.apache.lucene.util.AttributeSource
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, endAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, removeAllAttributes, restoreState, toString
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Field Details
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DBBI_AVAILABLE
public static final boolean DBBI_AVAILABLETrue if the JRE supports a working dictionary-based breakiterator for Thai. If this is false, this tokenizer will not work at all!
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Constructor Details
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ThaiTokenizer
public ThaiTokenizer()Creates a new ThaiTokenizer -
ThaiTokenizer
Creates a new ThaiTokenizer, supplying the AttributeFactory
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Method Details
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setNextSentence
protected void setNextSentence(int sentenceStart, int sentenceEnd) Description copied from class:SegmentingTokenizerBase
Provides the next input sentence for analysis- Specified by:
setNextSentence
in classSegmentingTokenizerBase
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incrementWord
protected boolean incrementWord()Description copied from class:SegmentingTokenizerBase
Returns true if another word is available- Specified by:
incrementWord
in classSegmentingTokenizerBase
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