org.beangle.commons.cdi.container.scala Maven / Gradle / Ivy

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/*
 * Beangle, Agile Development Scaffold and Toolkit
 *
 * Copyright (c) 2005-2017, Beangle Software.
 *
 * Beangle is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Beangle is distributed in the hope that it will be useful.
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Beangle.  If not, see .
 */
package org.beangle.commons.cdi

/**
 * Bean Container.
 *
 * @author chaostone
 * @since 3.1.0
 */
trait Container {

  def contains(key: Any): Boolean

  def getType(key: Any): Option[Class[_]]

  def getDefinition(key: Any): Any

  def getBean[T](key: Any): Option[T]

  def getBean[T](clazz: Class[T]): Option[T]

  def getBeans[T](clazz: Class[T]): Map[Any, T]

  def keys(): Set[_]

  def parent: Container

}

object Container {

  var ROOT: Container = _

  var listeners: List[ContainerListener] = Nil

  def addListener(listener: ContainerListener): Unit = {
    listeners = listener :: listeners
  }

  val containers = new collection.mutable.HashSet[Container]
}

trait ContainerAware {

  def container: Container

  def container_=(container: Container): Unit
}

trait ContainerListener {

  def onStarted(container: Container): Unit = {}

  def onStopped(container: Container): Unit = {}
}

trait PropertySource {

  def properties: collection.Map[String, String]
}