程序包 dev.langchain4j.rag.query.router

类 LanguageModelQueryRouter

java.lang.Object

dev.langchain4j.rag.query.router.LanguageModelQueryRouter

所有已实现的接口:

QueryRouter

public class LanguageModelQueryRouter
extends Object
implements QueryRouter

A QueryRouter that utilizes a ChatLanguageModel to make a routing decision.
Each ContentRetriever provided in the constructor should be accompanied by a description which should help the LLM to decide where to route a Query.
Refer to DEFAULT_PROMPT_TEMPLATE and implementation for more details.

Configurable parameters (optional):
- promptTemplate: The prompt template used to ask the LLM for routing decisions.
- fallbackStrategy: The strategy applied if the call to the LLM fails of if LLM does not return a valid response. Please check LanguageModelQueryRouter.FallbackStrategy for more details. Default value: LanguageModelQueryRouter.FallbackStrategy.DO_NOT_ROUTE

另请参阅:

• DefaultQueryRouter

嵌套类概要

嵌套类

修饰符和类型	类	说明
static enum	LanguageModelQueryRouter.FallbackStrategy	Strategy applied if the call to the LLM fails of if LLM does not return a valid response.

字段概要

字段

修饰符和类型	字段	说明
protected final ChatLanguageModel	chatLanguageModel
static final PromptTemplate	DEFAULT_PROMPT_TEMPLATE
protected final LanguageModelQueryRouter.FallbackStrategy	fallbackStrategy
protected final Map<Integer,ContentRetriever>	idToRetriever
protected final String	options
protected final PromptTemplate	promptTemplate

构造器概要

构造器

构造器	说明
LanguageModelQueryRouter(ChatLanguageModel chatLanguageModel, Map<ContentRetriever,String> retrieverToDescription)
LanguageModelQueryRouter(ChatLanguageModel chatLanguageModel, Map<ContentRetriever,String> retrieverToDescription, PromptTemplate promptTemplate, LanguageModelQueryRouter.FallbackStrategy fallbackStrategy)

方法概要

修饰符和类型	方法	说明
protected Prompt	createPrompt(Query query)
protected Collection<ContentRetriever>	fallback(Query query, Exception e)
protected Collection<ContentRetriever>	parse(String choices)
Collection<ContentRetriever>	route(Query query)	Routes the given Query to one or multiple ContentRetrievers.

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

chatLanguageModel

protected final ChatLanguageModel chatLanguageModel

promptTemplate

protected final PromptTemplate promptTemplate

options

protected final String options

idToRetriever

protected final Map<Integer,ContentRetriever> idToRetriever

fallbackStrategy

protected final LanguageModelQueryRouter.FallbackStrategy fallbackStrategy

构造器详细资料

LanguageModelQueryRouter

public LanguageModelQueryRouter(ChatLanguageModel chatLanguageModel,
 Map<ContentRetriever,String> retrieverToDescription)

LanguageModelQueryRouter

public LanguageModelQueryRouter(ChatLanguageModel chatLanguageModel,
 Map<ContentRetriever,String> retrieverToDescription,
 PromptTemplate promptTemplate,
 LanguageModelQueryRouter.FallbackStrategy fallbackStrategy)

方法详细资料

route

public Collection<ContentRetriever> route(Query query)

从接口复制的说明: QueryRouter

Routes the given Query to one or multiple ContentRetrievers.

指定者:

route 在接口中 QueryRouter

参数:

query - The Query to be routed.

返回:

A collection of one or more ContentRetrievers to which the Query should be routed.

fallback

protected Collection<ContentRetriever> fallback(Query query,
 Exception e)

createPrompt

protected Prompt createPrompt(Query query)

parse

protected Collection<ContentRetriever> parse(String choices)