/**
 * Copyright 2013 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package rx.lang.scala.subscriptions

import rx.lang.scala._

object SerialSubscription {

  /**
   * Creates a [[rx.lang.scala.subscriptions.SerialSubscription]].
   */
  def apply(): SerialSubscription =  new SerialSubscription(new rx.subscriptions.SerialSubscription())

  /**
   * Creates a [[rx.lang.scala.subscriptions.SerialSubscription]] that invokes the specified action when unsubscribed.
   */
  def apply(unsubscribe: => Unit): SerialSubscription = {
   SerialSubscription().subscription = Subscription(unsubscribe)
  }
}

/**
 * Represents a [[rx.lang.scala.Subscription]] that can be checked for status.
 */
class SerialSubscription private[scala] (override val asJavaSubscription: rx.subscriptions.SerialSubscription) extends Subscription {

  override def unsubscribe(): Unit =  asJavaSubscription.unsubscribe()
  override def isUnsubscribed: Boolean = asJavaSubscription.isUnsubscribed

  def subscription_=(value: Subscription): this.type = {
      asJavaSubscription.set(value.asJavaSubscription)
      this
  }
  def subscription: Subscription = Subscription(asJavaSubscription.get)

}

