Package dev.langchain4j.adaptiverag

Class QuestionRewriter

java.lang.Object

dev.langchain4j.adaptiverag.QuestionRewriter

All Implemented Interfaces:

Function<String,String>

public class QuestionRewriter
extends Object
implements Function<String,String>

This class implements a Function to rewrite questions for better vectorstore retrieval. It uses an AI language model to rephrase input questions based on semantic intent and meaning.

Constructor Summary

Constructors

Constructor	Description
QuestionRewriter()

Method Summary

Modifier and Type	Method	Description
String	apply(String question)	Applies a natural language processing pipeline to improve a given question.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.Function

andThen, compose

Constructor Details

QuestionRewriter

public QuestionRewriter()

Method Details

apply

public String apply(String question)

Applies a natural language processing pipeline to improve a given question. This method uses a ChatLanguageModel with specified configuration and an LLMService to generate and invoke a new, improved question based on the provided input.

Specified by:

apply in interface Function<String,String>

Parameters:

question - The original question to be improved.

Returns:

A string representing the improved question.