程序包 dev.langchain4j.rag.query.transformer

类 ExpandingQueryTransformer

java.lang.Object

dev.langchain4j.rag.query.transformer.ExpandingQueryTransformer

所有已实现的接口:

QueryTransformer

public class ExpandingQueryTransformer
extends Object
implements QueryTransformer

A QueryTransformer that utilizes a ChatLanguageModel to expand a given Query.
Refer to DEFAULT_PROMPT_TEMPLATE and implementation for more details.

Configurable parameters (optional):
- promptTemplate: The prompt template used to instruct the LLM to expand the provided Query.
- n: The number of Querys to generate. Default value is 3.

另请参阅:

• DefaultQueryTransformer
• CompressingQueryTransformer

字段概要

字段

修饰符和类型	字段	说明
protected final ChatLanguageModel	chatLanguageModel
static final int	DEFAULT_N
static final PromptTemplate	DEFAULT_PROMPT_TEMPLATE
protected final int	n
protected final PromptTemplate	promptTemplate

构造器概要

构造器

构造器	说明
ExpandingQueryTransformer(ChatLanguageModel chatLanguageModel)
ExpandingQueryTransformer(ChatLanguageModel chatLanguageModel, int n)
ExpandingQueryTransformer(ChatLanguageModel chatLanguageModel, PromptTemplate promptTemplate)
ExpandingQueryTransformer(ChatLanguageModel chatLanguageModel, PromptTemplate promptTemplate, Integer n)

方法概要

修饰符和类型	方法	说明
protected Prompt	createPrompt(Query query)
protected List<String>	parse(String queries)
Collection<Query>	transform(Query query)	Transforms the given Query into one or multiple Querys.

从类继承的方法 java.lang.Object

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

字段详细资料

DEFAULT_PROMPT_TEMPLATE

public static final PromptTemplate DEFAULT_PROMPT_TEMPLATE

DEFAULT_N

public static final int DEFAULT_N

另请参阅:

• 常量字段值

chatLanguageModel

protected final ChatLanguageModel chatLanguageModel

promptTemplate

protected final PromptTemplate promptTemplate

n

protected final int n

构造器详细资料

ExpandingQueryTransformer

public ExpandingQueryTransformer(ChatLanguageModel chatLanguageModel)

ExpandingQueryTransformer

public ExpandingQueryTransformer(ChatLanguageModel chatLanguageModel,
 int n)

ExpandingQueryTransformer

public ExpandingQueryTransformer(ChatLanguageModel chatLanguageModel,
 PromptTemplate promptTemplate)

ExpandingQueryTransformer

public ExpandingQueryTransformer(ChatLanguageModel chatLanguageModel,
 PromptTemplate promptTemplate,
 Integer n)

方法详细资料

transform

public Collection<Query> transform(Query query)

从接口复制的说明: QueryTransformer

Transforms the given Query into one or multiple Querys.

指定者:

transform 在接口中 QueryTransformer

参数:

query - The Query to be transformed.

返回:

A collection of one or more Querys derived from the original Query.

createPrompt

protected Prompt createPrompt(Query query)

parse

protected List<String> parse(String queries)