Enum WorldCommand 

pub enum WorldCommand {
    Spawn {
        parent: ChannelId,
        config: ChannelConfig,
        reply: Sender<Option<ChannelId>>,
    },
    SpawnWithId {
        parent: ChannelId,
        id: ChannelId,
        config: ChannelConfig,
        reply: Sender<bool>,
    },
    Kill {
        id: ChannelId,
        reason: String,
    },
    Complete {
        id: ChannelId,
        reply: Sender<bool>,
    },
    UpdateState {
        id: ChannelId,
        transition: StateTransition,
        reply: Sender<bool>,
    },
    GetState {
        id: ChannelId,
        reply: Sender<Option<ChannelState>>,
    },
    Shutdown,
}

Commands for modifying World state.

These commands are sent to the WorldManager which applies them sequentially to maintain consistency.

Variants

Spawn

Spawn a new child channel.

Creates a new channel under the specified parent with the given config. The new channel’s ID is returned via the reply channel.

Fields

parent: ChannelId

Parent channel ID.

config: ChannelConfig

Configuration for the new channel.

reply: Sender<Option<ChannelId>>

Reply channel for the new channel’s ID. Returns None if parent doesn’t exist.

SpawnWithId

Spawn a new child channel with a pre-determined ChannelId.

Same as Spawn but the caller supplies the ID. Used by spawn_runner which needs the ID before the World is updated.

Fields

parent: ChannelId

Parent channel ID.

id: ChannelId

Pre-determined channel ID for the new channel.

config: ChannelConfig

Configuration for the new channel.

reply: Sender<bool>

Reply channel: true on success, false if parent doesn’t exist.

Kill

Kill a channel and all its descendants.

Removes the channel from the World entirely.

Fields

id: ChannelId

Channel to kill.

reason: String

Reason for killing (for logging/debugging).

Complete

Complete a channel successfully.

Transitions the channel to Completed state but keeps it in the World.

Fields

id: ChannelId

Channel to complete.

reply: Sender<bool>

Reply with success/failure.

UpdateState

Update a channel’s state.

Used for state transitions like Pause, Resume, AwaitApproval.

Fields

id: ChannelId

Channel to update.

transition: StateTransition

New state to transition to.

reply: Sender<bool>

Reply with success/failure.

GetState

Query a channel’s current state (read-only).

For read operations that need consistency with pending writes.

Fields

id: ChannelId

Channel to query.

reply: Sender<Option<ChannelState>>

Reply with the current state, or None if not found.

Shutdown

Shutdown the WorldManager.

Signals the manager to stop processing commands.

Trait Implementations

impl Debug for WorldCommand

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.