completed Guice API for ActiveObjects
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Jonas Boner
parent
42cc47bf6a
commit
a2e3406064
8 changed files with 551 additions and 251 deletions
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/**
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* Copyright (C) 2009 Scalable Solutions.
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*/
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package com.scalablesolutions.akka.api
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import com.scalablesolutions.akka.kernel.{ActiveObject, ActiveObjectProxy}
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import java.util.{List => JList}
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import scala.actors.behavior._
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import scala.reflect.BeanProperty
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sealed abstract class Configuration
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class RestartStrategy(@BeanProperty val scheme: FailOverScheme, @BeanProperty val maxNrOfRetries: Int, @BeanProperty val withinTimeRange: Int) extends Configuration {
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def transform = scala.actors.behavior.RestartStrategy(scheme.transform, maxNrOfRetries, withinTimeRange)
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}
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class LifeCycle(@BeanProperty val scope: Scope, @BeanProperty val shutdownTime: Int) extends Configuration {
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def transform = scala.actors.behavior.LifeCycle(scope.transform, shutdownTime)
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}
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abstract class Scope extends Configuration {
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def transform: scala.actors.behavior.Scope
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}
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class Permanent extends Scope {
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override def transform = scala.actors.behavior.Permanent
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}
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class Transient extends Scope {
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override def transform = scala.actors.behavior.Transient
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}
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class Temporary extends Scope {
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override def transform = scala.actors.behavior.Temporary
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}
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abstract class FailOverScheme extends Configuration {
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def transform: scala.actors.behavior.FailOverScheme
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}
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class AllForOne extends FailOverScheme {
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override def transform = scala.actors.behavior.AllForOne
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}
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class OneForOne extends FailOverScheme {
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override def transform = scala.actors.behavior.OneForOne
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}
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abstract class Server extends Configuration
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class SupervisorConfig(@BeanProperty val restartStrategy: RestartStrategy, @BeanProperty val servers: JList[Server]) extends Server {
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def transform = scala.actors.behavior.SupervisorConfig(restartStrategy.transform, servers.toArray.toList.asInstanceOf[List[Component]].map(_.transform))
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}
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class Component(@BeanProperty val proxy: ActiveObjectProxy, @BeanProperty val lifeCycle: LifeCycle) extends Server {
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def transform = scala.actors.behavior.Worker(proxy.server, lifeCycle.transform)
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}
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object Configuration {
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import com.google.inject.{AbstractModule, CreationException, Guice, Injector, Provides, Singleton}
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import com.google.inject.spi.CloseFailedException
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import com.google.inject.jsr250.{ResourceProviderFactory}
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import javax.annotation.Resource
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import javax.naming.Context
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def supervise(restartStrategy: RestartStrategy, components: JList[Component]): Supervisor = {
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val componentList = components.toArray.toList.asInstanceOf[List[Component]]
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val injector = Guice.createInjector(new AbstractModule {
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protected def configure = {
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bind(classOf[ResourceProviderFactory[_]])
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componentList.foreach(c => bind(c.getClass).in(classOf[Singleton]))
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}
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// @Provides
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// def createJndiContext: Context = {
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// val answer = new JndiContext
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// answer.bind("foo", new AnotherBean("Foo"))
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// answer.bind("xyz", new AnotherBean("XYZ"))
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// answer
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// }
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})
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val injectedComponents = componentList.map(c => injector.getInstance(c.getClass))
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// TODO: swap 'target' in proxy before running supervise
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ActiveObject.supervise(
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restartStrategy.transform,
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componentList.map(c => scala.actors.behavior.Worker(c.proxy.server, c.lifeCycle.transform)))
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}
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}
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/**
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* Copyright (C) 2009 Scalable Solutions.
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*/
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package com.scalablesolutions.akka.api
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import com.scalablesolutions.akka.kernel.{ActiveObject, ActiveObjectProxy}
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import google.inject.{AbstractModule}
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import java.util.{List => JList, ArrayList}
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import scala.actors.behavior._
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import scala.reflect.BeanProperty
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// ============================================
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// Java version of the configuration API
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sealed abstract class Configuration
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class RestartStrategy(@BeanProperty val scheme: FailOverScheme, @BeanProperty val maxNrOfRetries: Int, @BeanProperty val withinTimeRange: Int) extends Configuration {
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def transform = scala.actors.behavior.RestartStrategy(scheme.transform, maxNrOfRetries, withinTimeRange)
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}
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class LifeCycle(@BeanProperty val scope: Scope, @BeanProperty val shutdownTime: Int) extends Configuration {
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def transform = scala.actors.behavior.LifeCycle(scope.transform, shutdownTime)
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}
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abstract class Scope extends Configuration {
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def transform: scala.actors.behavior.Scope
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}
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class Permanent extends Scope {
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override def transform = scala.actors.behavior.Permanent
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}
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class Transient extends Scope {
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override def transform = scala.actors.behavior.Transient
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}
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class Temporary extends Scope {
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override def transform = scala.actors.behavior.Temporary
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}
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abstract class FailOverScheme extends Configuration {
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def transform: scala.actors.behavior.FailOverScheme
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}
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class AllForOne extends FailOverScheme {
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override def transform = scala.actors.behavior.AllForOne
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}
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class OneForOne extends FailOverScheme {
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override def transform = scala.actors.behavior.OneForOne
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}
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abstract class Server extends Configuration
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//class SupervisorConfig(@BeanProperty val restartStrategy: RestartStrategy, @BeanProperty val servers: JList[Server]) extends Server {
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// def transform = scala.actors.behavior.SupervisorConfig(restartStrategy.transform, servers.toArray.toList.asInstanceOf[List[Server]].map(_.transform))
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//}
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class Component(@BeanProperty val intf: Class[_],
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@BeanProperty val target: Class[_],
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@BeanProperty val lifeCycle: LifeCycle,
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@BeanProperty val timeout: Int) extends Server {
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def newWorker(proxy: ActiveObjectProxy) = scala.actors.behavior.Worker(proxy.server, lifeCycle.transform)
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}
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// ============================================
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/**
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* @author <a href="http://jonasboner.com">Jonas Bonér</a>
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*/
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//object Configuration {
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// import com.google.inject.{Module, AbstractModule, CreationException, Guice, Injector, Provides, Singleton, Binder}
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// import com.google.inject.jsr250.{ResourceProviderFactory}
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//
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// private val modules = new ArrayList[Module]
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//
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// def addModule(module: Module) = modules.add(module)
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//
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// def supervise(restartStrategy: RestartStrategy, components: Array[Component]): Supervisor = {
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// val componentList = components.toList.asInstanceOf[List[Component]]
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//
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// object defaultModule extends AbstractModule {
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// protected def configure {
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// bind(classOf[ResourceProviderFactory[_]])
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// //componentList.foreach(c => bind(c.proxy.intf.asInstanceOf[Class[_]]).to(c.proxy.target.getClass.asInstanceOf[Class[_]]).in(classOf[Singleton]))
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// }
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//
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// // @Provides
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// // def createJndiContext: Context = {
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// // val answer = new JndiContext
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// // answer.bind("foo", new AnotherBean("Foo"))
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// // answer.bind("xyz", new AnotherBean("XYZ"))
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// // answer
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// // }
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// }
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// modules.add(defaultModule)
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// val injector = Guice.createInjector(modules)
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//
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// // swap 'target' in proxy before running supervise
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// // componentList.foreach(c => c.proxy.target = injector.getInstance(c.proxy.targetClass))
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//
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// ActiveObject.supervise(
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// restartStrategy.transform,
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// componentList.map(c => scala.actors.behavior.Worker(c.proxy.server, c.lifeCycle.transform)))
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//
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// }
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//}
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