Package org.apache.lucene.analysis.tokenattributes

Class SentenceAttributeImpl

java.lang.Object

org.apache.lucene.util.AttributeImpl

org.apache.lucene.analysis.tokenattributes.SentenceAttributeImpl

All Implemented Interfaces:

Cloneable, SentenceAttribute, Attribute

public class SentenceAttributeImpl
extends AttributeImpl
implements SentenceAttribute

Default implementation of SentenceAttribute.

The current implementation is coincidentally identical to FlagsAttributeImpl It was decided to keep it separate because this attribute will NOT be an implied bitmap. Also, this class may hold other sentence specific data in the future.

Constructor Summary

Constructors

Constructor	Description
SentenceAttributeImpl()	Initialize this attribute to default

Method Summary

Modifier and Type	Method	Description
void	clear()	Clears the values in this AttributeImpl and resets it to its default value.
void	copyTo(AttributeImpl target)	Copies the values from this Attribute into the passed-in target attribute.
boolean	equals(Object other)
int	getSentenceIndex()	Get the sentence index for the current token
int	hashCode()
void	reflectWith(AttributeReflector reflector)	This method is for introspection of attributes, it should simply add the key/values this attribute holds to the given AttributeReflector.
void	setSentenceIndex(int sentence)	Set the sentence of the current token

Methods inherited from class org.apache.lucene.util.AttributeImpl

clone, end, reflectAsString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SentenceAttributeImpl

public SentenceAttributeImpl()

Initialize this attribute to default

Method Details

clear

public void clear()

Description copied from class: AttributeImpl

Clears the values in this AttributeImpl and resets it to its default value. If this implementation implements more than one Attribute interface it clears all.

Specified by:

clear in class AttributeImpl

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

copyTo

public void copyTo(AttributeImpl target)

Description copied from class: AttributeImpl

Copies the values from this Attribute into the passed-in target attribute. The target implementation must support all the Attributes this implementation supports.

Specified by:

copyTo in class AttributeImpl

reflectWith

public void reflectWith(AttributeReflector reflector)

Description copied from class: AttributeImpl

This method is for introspection of attributes, it should simply add the key/values this attribute holds to the given AttributeReflector.

Implementations look like this (e.g. for a combined attribute implementation):

   public void reflectWith(AttributeReflector reflector) {
     reflector.reflect(CharTermAttribute.class, "term", term());
     reflector.reflect(PositionIncrementAttribute.class, "positionIncrement", getPositionIncrement());
   }
 

If you implement this method, make sure that for each invocation, the same set of Attribute interfaces and keys are passed to AttributeReflector.reflect(java.lang.Class<? extends org.apache.lucene.util.Attribute>, java.lang.String, java.lang.Object) in the same order, but possibly different values. So don't automatically exclude e.g. null properties!

Specified by:

reflectWith in class AttributeImpl

See Also:

• AttributeImpl.reflectAsString(boolean)

getSentenceIndex

public int getSentenceIndex()

Description copied from interface: SentenceAttribute

Get the sentence index for the current token

Specified by:

getSentenceIndex in interface SentenceAttribute

Returns:

The index of the sentence

See Also:

• SentenceAttribute.getSentenceIndex()

setSentenceIndex

public void setSentenceIndex(int sentence)

Description copied from interface: SentenceAttribute

Set the sentence of the current token

Specified by:

setSentenceIndex in interface SentenceAttribute

See Also:

• SentenceAttribute.setSentenceIndex(int sentenceIndex)