Uses of Interface
dev.langchain4j.rag.content.retriever.ContentRetriever

Packages that use ContentRetriever

Package	Description
dev.langchain4j.chain
dev.langchain4j.experimental.rag.content.retriever.sql
dev.langchain4j.rag
dev.langchain4j.rag.content.retriever
dev.langchain4j.rag.content.retriever.azure.search
dev.langchain4j.rag.content.retriever.neo4j
dev.langchain4j.rag.query.router
dev.langchain4j.retriever
dev.langchain4j.service

Uses of ContentRetriever in dev.langchain4j.chain

Methods in dev.langchain4j.chain with parameters of type ContentRetriever

Modifier and Type	Method	Description
ConversationalRetrievalChain.Builder	ConversationalRetrievalChain.Builder.contentRetriever(ContentRetriever contentRetriever)

Constructors in dev.langchain4j.chain with parameters of type ContentRetriever

Modifier	Constructor	Description
	ConversationalRetrievalChain(ChatLanguageModel chatLanguageModel, ChatMemory chatMemory, ContentRetriever contentRetriever)

Uses of ContentRetriever in dev.langchain4j.experimental.rag.content.retriever.sql

Classes in dev.langchain4j.experimental.rag.content.retriever.sql that implement ContentRetriever

Modifier and Type	Class	Description
class	SqlDatabaseContentRetriever	WARNING! Although fun and exciting, this class is dangerous to use! Do not ever use this in production! The database user must have very limited READ-ONLY permissions! Although the generated SQL is somewhat validated (to ensure that the SQL is a SELECT statement) using JSqlParser, this class does not guarantee that the SQL will be harmless.

Uses of ContentRetriever in dev.langchain4j.rag

Methods in dev.langchain4j.rag with parameters of type ContentRetriever

Modifier and Type	Method	Description
DefaultRetrievalAugmentor.DefaultRetrievalAugmentorBuilder	DefaultRetrievalAugmentor.DefaultRetrievalAugmentorBuilder.contentRetriever(ContentRetriever contentRetriever)

Uses of ContentRetriever in dev.langchain4j.rag.content.retriever

Classes in dev.langchain4j.rag.content.retriever that implement ContentRetriever

Modifier and Type	Class	Description
class	EmbeddingStoreContentRetriever	A ContentRetriever that retrieves from an EmbeddingStore.
class	WebSearchContentRetriever	A ContentRetriever that retrieves relevant Content from the web using a WebSearchEngine.

Uses of ContentRetriever in dev.langchain4j.rag.content.retriever.azure.search

Classes in dev.langchain4j.rag.content.retriever.azure.search that implement ContentRetriever

Modifier and Type	Class	Description
class	AzureAiSearchContentRetriever	Represents Azure AI Search Service as a ContentRetriever.

Uses of ContentRetriever in dev.langchain4j.rag.content.retriever.neo4j

Classes in dev.langchain4j.rag.content.retriever.neo4j that implement ContentRetriever

Modifier and Type	Class	Description
class	Neo4jContentRetriever	A ContentRetriever that retrieves from an Neo4jGraph.

Uses of ContentRetriever in dev.langchain4j.rag.query.router

Fields in dev.langchain4j.rag.query.router with type parameters of type ContentRetriever

Modifier and Type	Field	Description
protected final Map<Integer,ContentRetriever>	LanguageModelQueryRouter.idToRetriever

Methods in dev.langchain4j.rag.query.router that return types with arguments of type ContentRetriever

Modifier and Type	Method	Description
protected Collection<ContentRetriever>	LanguageModelQueryRouter.fallback(Query query, Exception e)
protected Collection<ContentRetriever>	LanguageModelQueryRouter.parse(String choices)
Collection<ContentRetriever>	DefaultQueryRouter.route(Query query)
Collection<ContentRetriever>	LanguageModelQueryRouter.route(Query query)
Collection<ContentRetriever>	QueryRouter.route(Query query)	Routes the given Query to one or multiple ContentRetrievers.

Method parameters in dev.langchain4j.rag.query.router with type arguments of type ContentRetriever

Modifier and Type	Method	Description
LanguageModelQueryRouter.LanguageModelQueryRouterBuilder	LanguageModelQueryRouter.LanguageModelQueryRouterBuilder.retrieverToDescription(Map<ContentRetriever,String> retrieverToDescription)

Constructors in dev.langchain4j.rag.query.router with parameters of type ContentRetriever

Modifier	Constructor	Description
	DefaultQueryRouter(ContentRetriever... contentRetrievers)

Constructor parameters in dev.langchain4j.rag.query.router with type arguments of type ContentRetriever

Modifier	Constructor	Description
	DefaultQueryRouter(Collection<ContentRetriever> contentRetrievers)
	LanguageModelQueryRouter(ChatLanguageModel chatLanguageModel, Map<ContentRetriever,String> retrieverToDescription)
	LanguageModelQueryRouter(ChatLanguageModel chatLanguageModel, Map<ContentRetriever,String> retrieverToDescription, PromptTemplate promptTemplate, LanguageModelQueryRouter.FallbackStrategy fallbackStrategy)

Uses of ContentRetriever in dev.langchain4j.retriever

Methods in dev.langchain4j.retriever that return ContentRetriever

Modifier and Type	Method	Description
default ContentRetriever	Retriever.toContentRetriever()	Deprecated, for removal: This API element is subject to removal in a future version.

Uses of ContentRetriever in dev.langchain4j.service

Methods in dev.langchain4j.service with parameters of type ContentRetriever

Modifier and Type	Method	Description
AiServices<T>	AiServices.contentRetriever(ContentRetriever contentRetriever)	Configures a content retriever to be invoked on every method call for retrieving relevant content related to the user's message from an underlying data source (e.g., an embedding store in the case of an EmbeddingStoreContentRetriever).