cleanup docs
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2 changed files with 41 additions and 35 deletions
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@ -7,6 +7,7 @@ ActorRegistry: Finding Actors
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-----------------------------
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Actors can be looked up using the 'akka.actor.Actors.registry()' object. Through this registry you can look up actors by:
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* uuid com.eaio.uuid.UUID – this uses the ‘uuid’ field in the Actor class, returns the actor reference for the actor with specified uuid, if one exists, otherwise None
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* id string – this uses the ‘id’ field in the Actor class, which can be set by the user (default is the class name), returns all actor references to actors with specified id
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* parameterized type - returns a 'ActorRef[]' with all actors that are a subtype of this specific type
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@ -51,27 +52,29 @@ The messages sent to this Actor are:
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So your listener Actor needs to be able to handle these two messages. Example:
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.. code-block:: java
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import akka.actor.ActorRegistered;
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import akka.actor.ActorUnregistered;
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import akka.actor.UntypedActor;
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import akka.event.EventHandler;
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public class RegistryListener extends UntypedActor {
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public void onReceive(Object message) throws Exception {
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if (message instanceof ActorRegistered) {
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ActorRegistered event = (ActorRegistered) message;
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EventHandler.info(this, String.format("Actor registered: %s - %s",
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event.actor().actorClassName(), event.actor().getUuid()));
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} else if (message instanceof ActorUnregistered) {
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// ...
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import akka.actor.ActorRegistered;
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import akka.actor.ActorUnregistered;
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import akka.actor.UntypedActor;
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import akka.event.EventHandler;
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public class RegistryListener extends UntypedActor {
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public void onReceive(Object message) throws Exception {
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if (message instanceof ActorRegistered) {
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ActorRegistered event = (ActorRegistered) message;
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EventHandler.info(this, String.format("Actor registered: %s - %s",
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event.actor().actorClassName(), event.actor().getUuid()));
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} else if (message instanceof ActorUnregistered) {
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// ...
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}
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}
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}
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}
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.. code-block:: java
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The above actor can be added as listener of registry events:
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.. code-block:: java
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import static akka.actor.Actors.*;
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import static akka.actor.Actors.*;
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ActorRef listener = actorOf(RegistryListener.class).start();
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registry().addListener(listener);
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.. code-block:: java
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@ -7,6 +7,7 @@ ActorRegistry: Finding Actors
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-----------------------------
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Actors can be looked up by using the **akka.actor.Actor.registry: akka.actor.ActorRegistry**. Lookups for actors through this registry can be done by:
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* uuid akka.actor.Uuid – this uses the ‘**uuid**’ field in the Actor class, returns the actor reference for the actor with specified uuid, if one exists, otherwise None
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* id string – this uses the ‘**id**’ field in the Actor class, which can be set by the user (default is the class name), returns all actor references to actors with specified id
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* specific actor class - returns an '**Array[Actor]**' with all actors of this exact class
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@ -78,27 +79,29 @@ The messages sent to this Actor are:
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So your listener Actor needs to be able to handle these two messages. Example:
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.. code-block:: scala
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import akka.actor.Actor
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import akka.actor.ActorRegistered;
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import akka.actor.ActorUnregistered;
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import akka.actor.UntypedActor;
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import akka.event.EventHandler;
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class RegistryListener extends Actor {
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def receive = {
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case event: ActorRegistered =>
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EventHandler.info(this, "Actor registered: %s - %s".format(
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import akka.actor.Actor
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import akka.actor.ActorRegistered;
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import akka.actor.ActorUnregistered;
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import akka.actor.UntypedActor;
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import akka.event.EventHandler;
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class RegistryListener extends Actor {
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def receive = {
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case event: ActorRegistered =>
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EventHandler.info(this, "Actor registered: %s - %s".format(
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event.actor.actorClassName, event.actor.uuid))
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case event: ActorUnregistered =>
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// ...
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case event: ActorUnregistered =>
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// ...
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}
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}
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}
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.. code-block:: scala
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The above actor can be added as listener of registry events:
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.. code-block:: scala
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import akka.actor._
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import akka.actor.Actor._
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val listener = actorOf[RegistryListener].start
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registry.addListener(listener)
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The above actor can be added as listener of registry events:
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.. code-block:: scala
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import akka.actor._
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import akka.actor.Actor._
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val listener = actorOf[RegistryListener].start
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registry.addListener(listener)
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