Package com.alibaba.cloud.ai.graph.agent.hook.summarization

Class SummarizationHook

java.lang.Object

com.alibaba.cloud.ai.graph.agent.hook.messages.MessagesModelHook

com.alibaba.cloud.ai.graph.agent.hook.summarization.SummarizationHook

All Implemented Interfaces:

Hook

public class SummarizationHook
extends MessagesModelHook

Hook that summarizes conversation history when token limits are approached. This hook monitors message token counts and automatically summarizes older messages when a threshold is reached, preserving the first user message and recent messages to maintain context continuity. Example: SummarizationHook summarizer = SummarizationHook.builder() .model(chatModel) .maxTokensBeforeSummary(4000) .messagesToKeep(20) .keepFirstUserMessage(true) // Default: true .build();

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SummarizationHook.Builder

Nested classes/interfaces inherited from class com.alibaba.cloud.ai.graph.agent.hook.messages.MessagesModelHook

MessagesModelHook.AfterModelAction, MessagesModelHook.BeforeModelAction

Method Summary

Modifier and Type	Method	Description
AgentCommand	beforeModel(List<org.springframework.ai.chat.messages.Message> previousMessages, RunnableConfig config)
static SummarizationHook.Builder	builder()
List<JumpTo>	canJumpTo()
String	getName()

Methods inherited from class com.alibaba.cloud.ai.graph.agent.hook.messages.MessagesModelHook

afterModel, afterModelAction, beforeModelAction, getAgent, getAgentName, setAgent, setAgentName

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.alibaba.cloud.ai.graph.agent.hook.Hook

getHookPositions, getKeyStrategys

Method Details

builder

public static SummarizationHook.Builder builder()

beforeModel

public AgentCommand beforeModel(List<org.springframework.ai.chat.messages.Message> previousMessages,
 RunnableConfig config)

Overrides:

beforeModel in class MessagesModelHook

getName

public String getName()

canJumpTo

public List<JumpTo> canJumpTo()