ICUCollatedTermAttributeImpl

java.lang.Object

org.apache.lucene.util.AttributeImpl

org.apache.lucene.analysis.tokenattributes.CharTermAttributeImpl

org.apache.lucene.analysis.icu.tokenattributes.ICUCollatedTermAttributeImpl

All Implemented Interfaces:: Appendable, CharSequence, Cloneable, CharTermAttribute, TermToBytesRefAttribute, Attribute

public class ICUCollatedTermAttributeImpl extends CharTermAttributeImpl

Extension of CharTermAttributeImpl that encodes the term text as a binary Unicode collation key instead of as UTF-8 bytes.

Field Summary

Fields

Modifier and Type

Field

Description

private final com.ibm.icu.text.Collator

collator

private final com.ibm.icu.text.RawCollationKey

key

Fields inherited from class org.apache.lucene.analysis.tokenattributes.CharTermAttributeImpl
builder
Constructor Summary

Constructors

Constructor

Description

ICUCollatedTermAttributeImpl(com.ibm.icu.text.Collator collator)

Create a new ICUCollatedTermAttributeImpl
Method Summary

Modifier and Type

Method

Description

BytesRef

getBytesRef()

Retrieve this attribute's BytesRef.

Methods inherited from class org.apache.lucene.analysis.tokenattributes.CharTermAttributeImpl
append, append, append, append, append, append, buffer, charAt, clear, clone, copyBuffer, copyTo, equals, hashCode, length, reflectWith, resizeBuffer, setEmpty, setLength, subSequence, toString

Methods inherited from class org.apache.lucene.util.AttributeImpl
end, reflectAsString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.CharSequence
chars, codePoints, isEmpty

Field Details
- collator
  
  private final com.ibm.icu.text.Collator collator
- key
  
  private final com.ibm.icu.text.RawCollationKey key
Constructor Details
- ICUCollatedTermAttributeImpl
  
  public ICUCollatedTermAttributeImpl(com.ibm.icu.text.Collator collator)
  
  Create a new ICUCollatedTermAttributeImpl
  
  Parameters:
  
  collator - Collation key generator
Method Details
- getBytesRef
  
  public BytesRef getBytesRef()
  
  Description copied from interface: TermToBytesRefAttribute
  
  Retrieve this attribute's BytesRef. The bytes are updated from the current term. The implementation may return a new instance or keep the previous one.
  
  Specified by:
  
  getBytesRef in interface TermToBytesRefAttribute
  
  Overrides:
  
  getBytesRef in class CharTermAttributeImpl
  
  Returns:
  
  a BytesRef to be indexed (only stays valid until token stream gets incremented)