February 2025
Intermediate
376 pages
9h 25m
Japanese
Content preview from 仕組みからわかる大規模言語モデル 生成AI時代のソフトウェア開発入門
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6
6.4.3で説明します。
Tool
Evaluator Programmer
Leader
TestWriter ̲̲end̲̲
̲̲start̲̲
continue
call̲tool
Finish
図6.3.1
6.3.1
LangGraph の API
LangGraphでは、その名前のとおり、グラフを操作するためのAPIを提供しています。表
6.3.1に LangGraph の主要なAPI 一覧を示します。これらのAPI を使うことで、AI エージェ
ントに必要な機能を実装できます。本章の残りでは、これらのAPI を使用して、LangGraph
によるエージェントの実装方法を説明します。
表6.3.1
API名 説明 パッケージ
StateGraph 状態グラフを定義するクラス。エージェントのワークフ
ローを管理します。
langgraph.graph
StateGraph.add_edge エッジを追加します。無条件の遷移を設定します。 langgraph.graph
StateGraph.add_conditional_edges 条件付きのエッジを追加します。エージェントのレスポ
ンスに基づいて次のノードを決定します。
langgraph.graph
StateGraph.set_entry_point ワークフローのエントリポイントを設定します。 langgraph.graph
StateGraph.compile 状態グラフをコンパイルして ...
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