程序包 dev.langchain4j.rag.query.transformer

类 CompressingQueryTransformer

java.lang.Object

dev.langchain4j.rag.query.transformer.CompressingQueryTransformer

所有已实现的接口:

QueryTransformer

public class CompressingQueryTransformer
extends Object
implements QueryTransformer

A QueryTransformer that leverages a ChatLanguageModel to condense a given Query along with a chat memory (previous conversation history) into a concise Query. This is applicable only when a ChatMemory is in use. Refer to DEFAULT_PROMPT_TEMPLATE and implementation for more details.

Configurable parameters (optional):
- promptTemplate: The prompt template used to instruct the LLM to compress the specified Query.

另请参阅:

• DefaultQueryTransformer
• ExpandingQueryTransformer

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 PromptTemplate	promptTemplate

构造器概要

构造器

构造器	说明
CompressingQueryTransformer(ChatLanguageModel chatLanguageModel)
CompressingQueryTransformer(ChatLanguageModel chatLanguageModel, PromptTemplate promptTemplate)

方法概要

修饰符和类型	方法	说明
protected Prompt	createPrompt(Query query, String chatMemory)
protected String	format(ChatMessage message)
protected String	format(List<ChatMessage> chatMemory)
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

promptTemplate

protected final PromptTemplate promptTemplate

chatLanguageModel

protected final ChatLanguageModel chatLanguageModel

构造器详细资料

CompressingQueryTransformer

public CompressingQueryTransformer(ChatLanguageModel chatLanguageModel)

CompressingQueryTransformer

public CompressingQueryTransformer(ChatLanguageModel chatLanguageModel,
 PromptTemplate promptTemplate)

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.

format

protected String format(List<ChatMessage> chatMemory)

format

protected String format(ChatMessage message)

createPrompt

protected Prompt createPrompt(Query query,
 String chatMemory)