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package com.redis

import serialization._

trait NodeOperations { self: Redis =>

  // SAVE
  // save the DB on disk now.
  def save: Boolean =
    send("SAVE")(asBoolean)

  // BGSAVE
  // save the DB in the background.
  def bgsave: Boolean =
    send("BGSAVE")(asBoolean)

  // LASTSAVE
  // return the UNIX TIME of the last DB SAVE executed with success.
  def lastsave: Option[Int] =
    send("LASTSAVE")(asInt)
  
  // SHUTDOWN
  // Stop all the clients, save the DB, then quit the server.
  def shutdown: Boolean =
    send("SHUTDOWN")(asBoolean)

  // BGREWRITEAOF
  def bgrewriteaof: Boolean =
    send("BGREWRITEAOF")(asBoolean)

  // INFO
  // the info command returns different information and statistics about the server.
  def info =
    send("INFO")(asString)
  
  // MONITOR
  // is a debugging command that outputs the whole sequence of commands received by the Redis server.
  def monitor: Boolean =
    send("MONITOR")(asBoolean)
  
  // SLAVEOF
  // The SLAVEOF command can change the replication settings of a slave on the fly.
  def slaveof(options: Any): Boolean = options match {
    case (h: String, p: Int) => {
      send("SLAVEOF", List(h, p))(asBoolean)
    }
    case _ => setAsMaster
  }
  
  @deprecated("use slaveof") def slaveOf(options: Any): Boolean = slaveof(options)

  private def setAsMaster: Boolean =
    send("SLAVEOF NO ONE")(asBoolean)
}