| Name | Description | Type | Package | Framework |
| AbstractServerHandler | A convenience class implementing the ServerHandler interface. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| ActorMessage | A class extended by all standard actor messages in this package. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| Behavior | A general behavior-actor interfaceSee Also:Serialized Form | Class | co.paralleluniverse.actors.behaviors | Quasar |
| BehaviorActor | A general behavior-actor class, extended by all behaviors. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| ErrorMessage | Interface | co.paralleluniverse.actors.behaviors | Quasar | |
| ErrorResponseMessage | A simple subclass of ResponseMessage that represents an error in processing the request. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| EventHandler | Interface | co.paralleluniverse.actors.behaviors | Quasar | |
| EventSource | An interface to an EventSourceActor. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| EventSourceActor | A behavior actor that can be notified of *event* messages, which are delivered to *event handlers* which may be registered with the actor. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| FiniteStateMachineActor | A behavior implementing a finite-state-machine. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| FromMessage | An actor message that identifies its senderThe actor that sent the message. | Interface | co.paralleluniverse.actors.behaviors | Quasar |
| IdMessage | An actor message with a unique (or unique with a high probability) ID (usually generated by ActorUtil. | Interface | co.paralleluniverse.actors.behaviors | Quasar |
| Initializer | A delegate object that can be used instead of subclassing BehaviorActor and overriding its methods. | Interface | co.paralleluniverse.actors.behaviors | Quasar |
| MessageSelector | A fluent interface for creating MessageProcessors that select messages matching a few simple criteria. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| ProxyServerActor | Wraps a Java object in a ServerActor that exposes the object's methods as an interface and processes them in an actor (on a dedicated strand). | Class | co.paralleluniverse.actors.behaviors | Quasar |
| ProxyServerActor .Invocation | Class | co.paralleluniverse.actors.behaviors.ProxyServerActor | Quasar | |
| RequestMessage | A message that contains a sender reference (the from property} and a unique identifier (the id property) and may be used as a request by RequestReplyHelper. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| RequestReplyHelper | This class contains static methods that implement a request-reply pattern with actors. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| ResponseMessage | A message type used as a superclass by responses to RequestMessage. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| Server | An interface to a ServerActor. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| ServerActor | A behavior implementing a server that responds to request messages. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| ServerHandler | A delegate object that can be used instead of subclassing ServerActor and overriding its methods. | Interface | co.paralleluniverse.actors.behaviors | Quasar |
| Supervisor | An interface to a SupervisorActor. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| Supervisor .ChildMode | Determines whether a child (supervised) actor should be restarted if the supervisor's restart strategy states that it should be restarted. | Class | co.paralleluniverse.actors.behaviors.Supervisor | Quasar |
| Supervisor .ChildSpec | Class | co.paralleluniverse.actors.behaviors.Supervisor | Quasar | |
| SupervisorActor | An actor that supervises, and if necessary, restarts other actors. | Class | co.paralleluniverse.actors.behaviors | Quasar |
| SupervisorActor .RestartStrategy | Specifies a supervisor's strategy in the event a child dies. | Class | co.paralleluniverse.actors.behaviors.SupervisorActor | Quasar |
| SupervisorException | Class | co.paralleluniverse.actors.behaviors | Quasar | |
| ValueResponseMessage | A simple subclass of ResponseMessage that encapsulates a single response value. | Class | co.paralleluniverse.actors.behaviors | Quasar |