Package com.hw.langchain.chains.retrieval.qa.base

Class RetrievalQa

java.lang.Object

com.hw.langchain.chains.base.Chain

com.hw.langchain.chains.retrieval.qa.base.BaseRetrievalQA

com.hw.langchain.chains.retrieval.qa.base.RetrievalQa

public class RetrievalQa
extends BaseRetrievalQA

Chain for question-answering against an index.

Author:

HamaWhite

Field Summary

Fields inherited from class com.hw.langchain.chains.base.Chain

memory

Constructor Summary

Constructors

Constructor	Description
RetrievalQa(BaseCombineDocumentsChain combineDocumentsChain, BaseRetriever retriever)

Method Summary

Modifier and Type	Method	Description
String	chainType()
static BaseRetrievalQA	fromChainType(BaseLanguageModel llm, ChainType chainType, BaseRetriever retriever)	Load chain from chain type.
static BaseRetrievalQA	fromChainType(BaseLanguageModel llm, BaseRetriever retriever)	Load chain from chain type.
List<Document>	getDocs(String question)	Get documents to do question answering over.

Methods inherited from class com.hw.langchain.chains.retrieval.qa.base.BaseRetrievalQA

asyncInnerCall, innerCall, inputKeys, outputKeys

Methods inherited from class com.hw.langchain.chains.base.Chain

asyncCall, asyncCall, asyncRun, asyncRun, call, call, prepInputs, run, run

Methods inherited from class java.lang.Object

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

Constructor Details

RetrievalQa

public RetrievalQa(BaseCombineDocumentsChain combineDocumentsChain,
 BaseRetriever retriever)

Method Details

fromChainType

public static BaseRetrievalQA fromChainType(BaseLanguageModel llm,
 BaseRetriever retriever)

Load chain from chain type.

fromChainType

public static BaseRetrievalQA fromChainType(BaseLanguageModel llm,
 ChainType chainType,
 BaseRetriever retriever)

Load chain from chain type.

getDocs

public List<Document> getDocs(String question)

Description copied from class: BaseRetrievalQA

Get documents to do question answering over.

Specified by:

getDocs in class BaseRetrievalQA

chainType

public String chainType()

Specified by:

chainType in class Chain