LangChain Reference home pageLangChain ReferenceLangChain Reference
  • GitHub
  • Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
  • Overview
    • Overview
    • Graphs
    • Functional API
    • Pregel
    • Checkpointing
    • Storage
    • Caching
    • Types
    • Runtime
    • Config
    • Errors
    • Constants
    • Channels
    • Agents
    LangGraph CLI
    LangGraph SDK
    LangGraph Supervisor
    LangGraph Swarm
    ⌘I

    LangChain Assistant

    Ask a question to get started

    Enter to send•Shift+Enter new line

    Menu

    OverviewGraphsFunctional APIPregelCheckpointingStorageCachingTypesRuntimeConfigErrorsConstantsChannelsAgents
    LangGraph CLI
    LangGraph SDK
    LangGraph Supervisor
    LangGraph Swarm
    Language
    Theme
    Pythonlanggraphchannelsnamed_barrier_valueNamedBarrierValueAfterFinish
    Class●Since v0.4

    NamedBarrierValueAfterFinish

    A channel that waits until all named values are received before making the value ready to be made available. It is only made available after finish() is called.

    Copy
    NamedBarrierValueAfterFinish(
      self,
      typ: type[Value],
      names: set[Value]
    )

    Bases

    Generic[Value]BaseChannel[Value, Value, set[Value]]

    Constructors

    constructor
    __init__
    NameType
    typtype[Value]
    namesset[Value]

    Attributes

    attribute
    names: set[Value]
    attribute
    seen: set[str]
    attribute
    finished: bool
    attribute
    ValueType: type[Value]

    The type of the value stored in the channel.

    attribute
    UpdateType: type[Value]

    The type of the update received by the channel.

    Methods

    method
    copy

    Return a copy of the channel.

    method
    checkpoint
    method
    from_checkpoint
    method
    update
    method
    get
    method
    is_available
    method
    consume
    method
    finish

    Inherited fromBaseChannel

    Attributes

    Atyp: typAkey: key
    View source on GitHub