Class Context.Summarizer

java.lang.Object

dev.langchain4j.agentic.internal.Context.AgenticScopeContextGenerator

dev.langchain4j.agentic.internal.Context.Summarizer

All Implemented Interfaces:

UserMessageTransformer, BiFunction<ChatRequest, Object, ChatRequest>

Enclosing class:

Context

public static class Context.Summarizer
extends Context.AgenticScopeContextGenerator

Constructor Summary

Constructors

Constructor	Description
Summarizer(AgenticScope agenticScope, ChatModel chatModel, String... agentNames)	Creates a summarizer that sends the summarization prompt to the given ChatModel.

Method Summary

Modifier and Type	Method	Description
static Context.Summarizer	withChatModelProvider(AgenticScope agenticScope, Function<AgenticScope, ChatModel> chatModelProvider, String... agentNames)	Creates a summarizer whose ChatModel is resolved through the given provider at summarization time, so it follows model changes across scopes or invocations.
static Context.Summarizer	withStreamingChatModelProvider(AgenticScope agenticScope, Function<AgenticScope, StreamingChatModel> streamingChatModelProvider, String... agentNames)	Creates a summarizer whose StreamingChatModel is resolved through the given provider at summarization time, so it follows model changes across scopes or invocations.
static Context.Summarizer	withSummarizer(AgenticScope agenticScope, Context.ContextSummarizer summarizer, String... agentNames)	Creates a summarizer backed by a pre-built Context.ContextSummarizer, typically one shared by the caller across agents or invocations using the same model.

Methods inherited from class Context.AgenticScopeContextGenerator

transformUserMessage

Methods inherited from class Object

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

Methods inherited from interface BiFunction

andThen

Methods inherited from interface UserMessageTransformer

apply

Constructor Details

Summarizer

public Summarizer(AgenticScope agenticScope,
 ChatModel chatModel,
 String... agentNames)

Creates a summarizer that sends the summarization prompt to the given ChatModel.

Throws:

IllegalConfigurationException - if chatModel is null

Method Details

withSummarizer

public static Context.Summarizer withSummarizer(AgenticScope agenticScope,
 Context.ContextSummarizer summarizer,
 String... agentNames)

Creates a summarizer backed by a pre-built Context.ContextSummarizer, typically one shared by the caller across agents or invocations using the same model.

withChatModelProvider

public static Context.Summarizer withChatModelProvider(AgenticScope agenticScope,
 Function<AgenticScope, ChatModel> chatModelProvider,
 String... agentNames)

Creates a summarizer whose ChatModel is resolved through the given provider at summarization time, so it follows model changes across scopes or invocations.

withStreamingChatModelProvider

public static Context.Summarizer withStreamingChatModelProvider(AgenticScope agenticScope,
 Function<AgenticScope, StreamingChatModel> streamingChatModelProvider,
 String... agentNames)

Creates a summarizer whose StreamingChatModel is resolved through the given provider at summarization time, so it follows model changes across scopes or invocations.