Module io.helidon.integrations.langchain4j

Package io.helidon.integrations.langchain4j

package io.helidon.integrations.langchain4j

Integration with Langchain4j.

See Also:

• Ai

Related Packages

Module	Package	Description
io.helidon.integrations.langchain4j.codegen	io.helidon.integrations.langchain4j.codegen	Code generation for Langchain4j AI Services.

Class	Description
AgentMetadata	Metadata describing discovered AI agent.
AgentsConfig	Configuration for a single LangChain4j agent.
AgentsConfig.Builder	Fluent API builder for AgentsConfig.
AgentsConfig.BuilderBase<BUILDER extends AgentsConfig.BuilderBase<BUILDER,PROTOTYPE>,PROTOTYPE extends AgentsConfig>	Fluent API builder base for AgentsConfig.
AgentsConfig.BuilderBase.AgentsConfigImpl	Generated implementation of the prototype, can be extended by descendant prototype implementations.
Ai	This interface contains a set of annotations for defining langChain4J declarative services.
Ai.Agent	Annotation that marks a type (typically a LangChain4j declarative service interface) as an agent and assigns it a logical name.
Ai.ChatMemory	Deprecated, for removal: This API element is subject to removal in a future version. Use Ai.ChatMemoryProvider instead.
Ai.ChatMemoryProvider	Annotation to specify a ChatMemoryProvider for the service.
Ai.ChatMemoryWindow	Deprecated, for removal: This API element is subject to removal in a future version. Use Ai.ChatMemoryProvider instead.
Ai.ChatModel	Annotation to specify a ChatModel for the service.
Ai.ContentRetriever	Annotation to specify a ContentRetriever for the service.
Ai.McpClients	Annotation to specify an MCP Clients to be used in McpToolProvider.
Ai.ModerationModel	Annotation to specify a ModerationModel for the service.
Ai.RetrievalAugmentor	Annotation to specify a RetrievalAugmentor for the service.
Ai.Service	Annotation to define a langChain4J service.
Ai.StreamingChatModel	Annotation to specify a StreamingChatModel for the service.
Ai.Tool	A qualifier for a tool class (a class that has at least one method annotated with lc4j annotation Tool.
Ai.ToolProvider	Annotation to specify a ToolProvider for the service.
Ai.Tools	Annotation to manually specify classes containing tools for the service.
AiProvider	AiProvider serves as a container for defining AI model configuration annotations and related metadata.
AiProvider.ConfigKey	Default config key used under langchain4j context for all model configs in the same class.
AiProvider.CustomBuilderMapping	Skip builder mapping generation as it is done manually in configuredBuilder() method.
AiProvider.CustomModelFactories	Use this annotation to specify LangChain4J Model Provider with custom (non-generated model providers).
AiProvider.DefaultWeight	Default weight used for generated model factory if it is not defined by AiProvider.ModelConfig.weight().
AiProvider.ModelConfig	Annotation used to define a configuration for a specific LangChain4j model class.
AiProvider.ModelConfigs	The ModelConfigs annotation serves as a container for multiple AiProvider.ModelConfig annotations.
AiProvider.NestedConfig	Marks nested properties which types should be introspected too.
AiServicesConfig	Interface generated from blueprint io.helidon.integrations.langchain4j.AiServicesConfigBlueprint.
AiServicesConfig.Builder	Fluent API builder for AiServicesConfig.
AiServicesConfig.BuilderBase<BUILDER extends AiServicesConfig.BuilderBase<BUILDER,PROTOTYPE>,PROTOTYPE extends AiServicesConfig>	Fluent API builder base for AiServicesConfig.
AiServicesConfig.BuilderBase.AiServicesConfigImpl	Generated implementation of the prototype, can be extended by descendant prototype implementations.
ContentRetrieverConfig	Configuration for LangChain4j ContentRetriever components.
ContentRetrieverConfig.Builder	Fluent API builder for ContentRetrieverConfig.
ContentRetrieverConfig.BuilderBase<BUILDER extends ContentRetrieverConfig.BuilderBase<BUILDER,PROTOTYPE>,PROTOTYPE extends ContentRetrieverConfig>	Fluent API builder base for ContentRetrieverConfig.
ContentRetrieverConfig.BuilderBase.ContentRetrieverConfigImpl	Generated implementation of the prototype, can be extended by descendant prototype implementations.
ContentRetrieverType	Supported content retriever implementations.
InMemoryEmbeddingStoreConfig	Configuration for LangChain4j in-memory embedding store components.
InMemoryEmbeddingStoreConfig.Builder	Fluent API builder for InMemoryEmbeddingStoreConfig.
InMemoryEmbeddingStoreConfig.BuilderBase<BUILDER extends InMemoryEmbeddingStoreConfig.BuilderBase<BUILDER,PROTOTYPE>,PROTOTYPE extends InMemoryEmbeddingStoreConfig>	Fluent API builder base for InMemoryEmbeddingStoreConfig.
InMemoryEmbeddingStoreConfig.BuilderBase.InMemoryEmbeddingStoreConfigImpl	Generated implementation of the prototype, can be extended by descendant prototype implementations.
McpClientConfig	Configuration for LangChain4j MCP (Model Context Protocol) clients.
McpClientConfig.Builder	Fluent API builder for McpClientConfig.
McpClientConfig.BuilderBase<BUILDER extends McpClientConfig.BuilderBase<BUILDER,PROTOTYPE>,PROTOTYPE extends McpClientConfig>	Fluent API builder base for McpClientConfig.
McpClientConfig.BuilderBase.McpClientConfigImpl	Generated implementation of the prototype, can be extended by descendant prototype implementations.
ServiceRegistryClassInstanceFactory	LangChain4j ClassInstanceFactory implementation that retrieves instances of classes from Helidon global Services registry.
TokenStreamException	Wrapper for exceptions intercepted when adapting TokenStream to Stream.
TokenStreamToStreamAdapter	The TokenStreamToMultiAdapter class adapts a TokenStream to Stream, allowing using Stream API on AI services with StreamingChatModels.