Cell

All Known Implementing Classes:

ActorCell, ResizablePoolCell, RoutedActorCell, UnstartedCell
```
public interface Cell
```
INTERNAL API

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`ChildrenContainer`	`childrenRefs()` All children of this actor, including only reserved-names.
`scala.Option<ChildStats>`	`getChildByName(java.lang.String name)` Get the stats for the named child, if that exists.
`InternalActorRef`	`getSingleChild(java.lang.String name)` Method for looking up a single child beneath this actor.
`boolean`	`hasMessages()` If the actor isLocal, returns whether "user messages" are currently queued, “false” otherwise.
`boolean`	`isLocal()` Returns true if the actor is local, i.e.
`boolean`	`isTerminated()` Returns “true” if the actor is locally known to be terminated, “false” if alive or uncertain.
`int`	`numberOfMessages()` If the actor isLocal, returns the number of "user messages" currently queued, which may be a costly operation, 0 otherwise.
`InternalActorRef`	`parent()` The supervisor of this actor.
`Props`	`props()` The props for this actor cell.
`void`	`restart(java.lang.Throwable cause)` Restart this actor (will recursively restart or stop all children).
`void`	`resume(java.lang.Throwable causedByFailure)` Recursively resume this actor and all its children.
`ActorRef`	`self()` The “self” reference which this Cell is attached to.
`void`	`sendMessage(Envelope msg)` Enqueue a message to be sent to the actor; may or may not actually schedule the actor to run, depending on which type of cell it is.
`void`	`sendMessage(java.lang.Object message, ActorRef sender)` Enqueue a message to be sent to the actor; may or may not actually schedule the actor to run, depending on which type of cell it is.
`void`	`sendSystemMessage(SystemMessage msg)` Enqueue a message to be sent to the actor; may or may not actually schedule the actor to run, depending on which type of cell it is.
`Cell`	`start()` Start the cell: enqueued message must not be processed before this has been called.
`void`	`stop()` Recursively terminate this actor and all its children.
`void`	`suspend()` Recursively suspend this actor and all its children.
`ActorSystem`	`system()` The system within which this Cell lives.
`ActorSystemImpl`	`systemImpl()` The system internals where this Cell lives.

- Method Detail
  - self
```
ActorRef self()
```
    The “self” reference which this Cell is attached to.
    
    Returns:
    
    (undocumented)
  - system
```
ActorSystem system()
```
    The system within which this Cell lives.
    
    Returns:
    
    (undocumented)
  - systemImpl
```
ActorSystemImpl systemImpl()
```
    The system internals where this Cell lives.
    
    Returns:
    
    (undocumented)
  - start
```
Cell start()
```
    Start the cell: enqueued message must not be processed before this has been called. The usual action is to attach the mailbox to a dispatcher.
    
    Returns:
    
    (undocumented)
  - suspend
```
void suspend()
```
    Recursively suspend this actor and all its children. Is only allowed to throw Fatal Throwables.
  - resume
```
void resume(java.lang.Throwable causedByFailure)
```
    Recursively resume this actor and all its children. Is only allowed to throw Fatal Throwables.
    
    Parameters:
    
    causedByFailure - (undocumented)
  - restart
```
void restart(java.lang.Throwable cause)
```
    Restart this actor (will recursively restart or stop all children). Is only allowed to throw Fatal Throwables.
    
    Parameters:
    
    cause - (undocumented)
  - stop
```
void stop()
```
    Recursively terminate this actor and all its children. Is only allowed to throw Fatal Throwables.
  - isTerminated
```
boolean isTerminated()
```
    Returns “true” if the actor is locally known to be terminated, “false” if alive or uncertain.
    
    Returns:
    
    (undocumented)
  - parent
```
InternalActorRef parent()
```
    The supervisor of this actor.
    
    Returns:
    
    (undocumented)
  - childrenRefs
```
ChildrenContainer childrenRefs()
```
    All children of this actor, including only reserved-names.
    
    Returns:
    
    (undocumented)
  - getChildByName
```
scala.Option<ChildStats> getChildByName(java.lang.String name)
```
    Get the stats for the named child, if that exists.
    
    Parameters:
    
    name - (undocumented)
    
    Returns:
    
    (undocumented)
  - getSingleChild
```
InternalActorRef getSingleChild(java.lang.String name)
```
    Method for looking up a single child beneath this actor. It is racy if called from the outside.
    
    Parameters:
    
    name - (undocumented)
    
    Returns:
    
    (undocumented)
  - sendMessage
```
void sendMessage(Envelope msg)
```
    Enqueue a message to be sent to the actor; may or may not actually schedule the actor to run, depending on which type of cell it is. Is only allowed to throw Fatal Throwables.
    
    Parameters:
    
    msg - (undocumented)
  - sendMessage
```
void sendMessage(java.lang.Object message,
                 ActorRef sender)
```
    Enqueue a message to be sent to the actor; may or may not actually schedule the actor to run, depending on which type of cell it is. Is only allowed to throw Fatal Throwables.
    
    Parameters:
    
    message - (undocumented)
    
    sender - (undocumented)
  - sendSystemMessage
```
void sendSystemMessage(SystemMessage msg)
```
    Enqueue a message to be sent to the actor; may or may not actually schedule the actor to run, depending on which type of cell it is. Is only allowed to throw Fatal Throwables.
    
    Parameters:
    
    msg - (undocumented)
  - isLocal
```
boolean isLocal()
```
    Returns true if the actor is local, i.e. if it is actually scheduled on a Thread in the current JVM when run.
    
    Returns:
    
    (undocumented)
  - hasMessages
```
boolean hasMessages()
```
    If the actor isLocal, returns whether "user messages" are currently queued, “false” otherwise.
    
    Returns:
    
    (undocumented)
  - numberOfMessages
```
int numberOfMessages()
```
    If the actor isLocal, returns the number of "user messages" currently queued, which may be a costly operation, 0 otherwise.
    
    Returns:
    
    (undocumented)
  - props
```
Props props()
```
    The props for this actor cell.
    
    Returns:
    
    (undocumented)

Interface Cell

Method Summary

Method Detail

self

system

systemImpl

start

suspend

resume

restart

stop

isTerminated

parent

childrenRefs

getChildByName

getSingleChild

sendMessage

sendMessage

sendSystemMessage

isLocal

hasMessages

numberOfMessages

props