Scala Interval类代码示例

//设置package包名称以及导入依赖的类
package frontend

import controllers.routes
import jp.t2v.lab.play2.auth._
import org.joda.time.{DateTime, Interval}
import play.api.data.Form
import play.api.data.Forms._
import play.api.mvc.Results._
import play.api.mvc._

import scala.collection.mutable
import scala.concurrent.{Future, ExecutionContext}
import scala.reflect.ClassTag

trait AuthorizationConfig extends AuthConfig {
  mixin: { def conf: play.api.Configuration } =>

  override type Id = String
  override type User = frontend.Account
  override type Authority = frontend.Permission
  override val idTag: ClassTag[Id] = scala.reflect.classTag[Id]
  override val sessionTimeoutInSeconds = tokenMaxAge

  lazy val intervals: mutable.LinkedHashMap[Interval, String] = loadStages(conf.getObjectList("stages"))

  override def resolveUser(id: Id)(implicit ctx: ExecutionContext): Future[Option[User]] = {
    val fields = id.split(",")
    val id0 = fields(0)
    val login = fields(1)
    val password = fields(2)
    val permission = fields(3)
    val token = fields(4)
    Future.successful(Option(Account(id0.toInt, login, password, permission, token)))
  }

  
    cookieName         = conf.getString("http-session.header").getOrElse("AUTH_SESS_ID"),
    cookieSecureOption = play.api.Play.isProd(play.api.Play.current),
    cookieMaxAge       = Some(sessionTimeoutInSeconds)
  )

  def authenticationErrorForm(errorMessage: String) = Form {
    mapping(("login" -> nonEmptyText), ("password" -> nonEmptyText))({(l,r) => None: Option[frontend.Account]})(_ => None)
      .verifying("Invalid login or password", result => result.isDefined)
  }.withGlobalError(errorMessage)

  def loginUrl: String = conf.getString("url.login").get

  //should be equal to backend Max-Age
  def tokenMaxAge: Int = conf.getInt("http-session.max-age").get
} 

//设置package包名称以及导入依赖的类
package kippercalendar

import kippercalendar.Calendar._
import kippercalendar.Clock._
import net.liftweb.http.SHtml
import net.liftweb.http.js.JsCmds._
import org.joda.time.Interval

import scala.xml.NodeSeq

object MonthCalendar {

  val previousMonthButtonId = "previousMonthButtonId"
  val nextMonthButtonId = "nextMonthButtonId"
  val monthTitleId = "monthTitleId"

  def apply(monthInterval: Interval): NodeSeq = {
    <h3>
      <span id={monthTitleId}>{title(monthInterval)}</span>
      {monthDayNavigationButtons(monthInterval, monthActive = true)}
    </h3> ++
    previousMonthButton(monthInterval) ++
    nextMonthButton(monthInterval)
  }

  def title(monthInterval: Interval) = monthInterval.getStart.getYear.toString + " " + monthFull(monthInterval.getStart)

  private def previousMonthButton(monthInterval: Interval) =
    SHtml.ajaxButton("< previous month", () ? SetHtml(kipperCalendarContainerId, MonthCalendar(new Interval(monthInterval.getStart.minusMonths(1), monthInterval.getEnd.minusMonths(1)))), "id" ? previousMonthButtonId, "class" ? "col-lg-2 btn btn-primary")

  private def nextMonthButton(monthInterval: Interval) =
    SHtml.ajaxButton("next month >", () ? SetHtml(kipperCalendarContainerId, MonthCalendar(new Interval(monthInterval.getStart.plusMonths(1), monthInterval.getEnd.plusMonths(1)))), "id" ? nextMonthButtonId, "class" ? "col-lg-2 col-lg-offset-8  btn btn-primary")

} 

//设置package包名称以及导入依赖的类
package kippercalendar

import net.liftweb.http.SHtml
import net.liftweb.http.js.JsCmds
import net.liftweb.http.js.JsCmds.SetHtml
import org.joda.time.{DateTime, Interval}

object Calendar {

  val kipperCalendarContainerId = "kipperCalendarContainerId"
  val dayViewButtonId = "showDayViewButtonId"
  val monthViewButtonId = "showMonthViewButtonId"

  def apply(initialDateTime: DateTime) =
    <form class="lift:form.ajax">
      <div id={kipperCalendarContainerId}>
        {MonthCalendar(new Interval(new DateTime().withTimeAtStartOfDay(), new DateTime().withTimeAtStartOfDay().plusDays(1)))}
      </div>
    </form>

  def monthDayNavigationButtons(intervalDisplayed: Interval, monthActive: Boolean = true) = {
    val dayActive = !monthActive
    <div class="btn-group pull-right">
      {SHtml.ajaxButton("Day", () ? if (dayActive) JsCmds.Noop else SetHtml(kipperCalendarContainerId, DayCalendar(new Interval(intervalDisplayed.getStart.withDayOfMonth(new DateTime().getDayOfMonth), intervalDisplayed.getStart.withDayOfMonth(new DateTime().getDayOfMonth).plusDays(1)))), "id" ? dayViewButtonId, "class" ? { if (dayActive) "btn btn-default active" else "btn btn-default"})}
      {SHtml.ajaxButton("Month", () ? if (monthActive) JsCmds.Noop else SetHtml(kipperCalendarContainerId, MonthCalendar(new Interval(intervalDisplayed.getStart.withDayOfMonth(1), intervalDisplayed.getStart.withDayOfMonth(1).plusMonths(1).minusDays(1)))), "id" ? monthViewButtonId, "class" ? { if (monthActive) "btn btn-default active" else "btn btn-default"})}
    </div>
  }
} 

//设置package包名称以及导入依赖的类
package kippercalendar

import kippercalendar.Calendar._
import kippercalendar.Clock._
import net.liftweb.http.SHtml
import net.liftweb.http.js.JsCmds.SetHtml
import org.joda.time.Interval

import scala.xml.NodeSeq

object DayCalendar {

  val previousDayButtonId = "previousDayButtonId"
  val nextDayButtonId = "nextDayButtonId"
  val dayTitleId = "dayTitleId"

  def apply(day: Interval): NodeSeq =
    <h3>
      <span id={dayTitleId}>{title(day)}</span>
      {monthDayNavigationButtons(day, monthActive = false)}
    </h3> ++
      previousDayButton(day) ++
      nextDayButton(day)

  def title(day: Interval) = dayOfTheWeekAndMonth(day.getStart) + " " + monthFull(day.getStart) + " " + day.getStart.getYear

  private def previousDayButton(monthInterval: Interval) =
    SHtml.ajaxButton("< previous day", () ? SetHtml(kipperCalendarContainerId, DayCalendar(new Interval(monthInterval.getStart.minusDays(1), monthInterval.getEnd.minusDays(1)))), "id" ? previousDayButtonId, "class" ? "col-lg-2 btn btn-primary")

  private def nextDayButton(monthInterval: Interval) =
    SHtml.ajaxButton("next day >", () ? SetHtml(kipperCalendarContainerId, DayCalendar(new Interval(monthInterval.getStart.plusDays(1), monthInterval.getEnd.plusDays(1)))), "id" ? nextDayButtonId, "class" ? "col-lg-2 col-lg-offset-8  btn btn-primary")
} 

//设置package包名称以及导入依赖的类
package kippercalendar.acceptance.driver

import im.mange.driveby.Id
import im.mange.driveby.browser.Browser
import im.mange.driveby.conditions.{AttributeContains, TextEquals}
import kippercalendar.{DayCalendar, MonthCalendar}
import kippercalendar.acceptance.context.Context
import org.joda.time.{Interval, DateTime}

case class CalendarDriver(context: Context, browser: Browser) extends Navigable {
  import kippercalendar.MonthCalendar._
  import kippercalendar.DayCalendar._
  import kippercalendar.Calendar._

  def clickDisplayDayCalendar() = click(dayViewButtonId)
  def clickDisplayMonthCalendar() = click(monthViewButtonId)
  def clickPreviousMonth() = click(previousMonthButtonId)
  def clickNextMonth() = click(nextMonthButtonId)
  def clickPreviousDay() = click(previousDayButtonId)
  def clickNextDay() = click(nextDayButtonId)

  def assertMonthTitle(date: DateTime) = browser.assert(TextEquals(Id(monthTitleId), MonthCalendar.title(new Interval(date, date.plusMonths(1)))))
  def assertDayTitle(date: DateTime) = browser.assert(TextEquals(Id(dayTitleId), DayCalendar.title(new Interval(date, date.plusMonths(1)))))
  def assertMonthActive = browser.assert(AttributeContains(Id(monthViewButtonId), "class", "active"))
  def assertDayActive = browser.assert(AttributeContains(Id(dayViewButtonId), "class", "active"))
  def assertPreviousMonthButtonDisplayed = browser.assert(TextEquals(Id(previousMonthButtonId), "< previous month"))
  def assertNextMonthButtonDisplayed = browser.assert(TextEquals(Id(nextMonthButtonId), "next month >"))
  def assertPreviousDayButtonDisplayed = browser.assert(TextEquals(Id(previousDayButtonId), "< previous day"))
  def assertNextDayButtonDisplayed = browser.assert(TextEquals(Id(nextDayButtonId), "next day >"))
} 

//设置package包名称以及导入依赖的类
package com.puzzle.addressbook

import com.github.nscala_time.time.OrderingImplicits._
import org.joda.time.Interval

object Main {

  val records = Resource("AddressBook").flatMap(AddressRecord.fromString)

  def main(args: Array[String]): Unit = {
    println("Run: sbt test")
  }

  def findByGender(gender: Gender): Int = {
    records.count(_.gender == gender)
  }

  def findByAge(age: Age): AddressRecord = {
    age match {
      case Oldest => records.minBy(_.birthday)
      case Youngest => records.maxBy(_.birthday)
    }
  }

  def getDaysDifference(olderName: String, youngerName: String): Option[Long] = {
    for {
      older <- records.find(_.firstName == olderName)
      younger <- records.find(_.firstName == youngerName)
    } yield {
      new Interval(older.birthday, younger.birthday).toDuration.getStandardDays
    }
  }

} 

//设置package包名称以及导入依赖的类
package highperfscala.clientreports.views

import org.joda.time.{Duration, Instant, Interval}

object PerformanceReporting {

  def trend(
    now: () => Instant,
    findOrders: (Interval, Ticker) => List[Order],
    findExecutions: (Interval, Ticker) => List[Execution],
    request: GenerateTradingPerformanceTrend): List[TradingPerformanceTrend] = {
    def periodPnL(
      duration: Duration): Map[Ticker, PeriodPnL] = {
      val currentTime = now()
      val interval = new Interval(currentTime.minus(duration), currentTime)
      (for {
        ticker <- request.tickers
        orders = findOrders(interval, ticker)
        executions = findExecutions(interval, ticker)
        idToExecPrice = executions.groupBy(_.id).mapValues(es =>
          Price.average(es.map(_.price)))
        signedExecutionPrices = for {
          o <- orders
          if o.clientId == request.clientId
          price <- idToExecPrice.get(o.id).map(p => o match {
            case _: BuyOrder => Price(p.value * -1)
            case _: SellOrder => p
          }).toList
        } yield price
        trend = signedExecutionPrices.foldLeft(PnL.zero) {
          case (pnl, p) => PnL(pnl.value + p.value)
        } match {
          case p if p.value >= PnL.zero.value => PeriodPositive
          case _ => PeriodNegative
        }
      } yield ticker -> trend).toMap
    }

    val tickerToLastHour = periodPnL(Duration.standardHours(1)).mapValues {
      case PeriodPositive => LastHourPositive
      case PeriodNegative => LastHourNegative
    }
    val tickerToLastDay = periodPnL(Duration.standardDays(1)).mapValues {
      case PeriodPositive => LastDayPositive
      case PeriodNegative => LastDayNegative
    }
    val tickerToLastSevenDays = periodPnL(Duration.standardDays(7)).mapValues {
      case PeriodPositive => LastSevenDayPositive
      case PeriodNegative => LastSevenDayNegative
    }

    tickerToLastHour.zip(tickerToLastDay).zip(tickerToLastSevenDays).map({
      case (((t, lastHour), (_, lastDay)), (_, lastSevenDays)) =>
        TradingPerformanceTrend(t, lastHour, lastDay, lastSevenDays)
    }).toList
  }
} 

//设置package包名称以及导入依赖的类
package highperfscala.clientreports.views

import org.joda.time.{Duration, Instant, Interval}

object ViewPerformanceReporting {

  def trend(
    now: () => Instant,
    findOrders: (Interval, Ticker) => List[Order],
    findExecutions: (Interval, Ticker) => List[Execution],
    request: GenerateTradingPerformanceTrend): List[TradingPerformanceTrend] = {

    def periodPnL(
      duration: Duration): Map[Ticker, PeriodPnL] = {
      val currentTime = now()
      val interval = new Interval(currentTime.minus(duration), currentTime)
      (for {
        ticker <- request.tickers
        orders = findOrders(interval, ticker)
        executions = findExecutions(interval, ticker)
        idToExecPrice = executions.groupBy(_.id).mapValues(es =>
          Price.average(es.map(_.price)))
        signedExecutionPrices = for {
          o <- orders.view
          if o.clientId == request.clientId
          price <- idToExecPrice.get(o.id).map(p => o match {
            case _: BuyOrder => Price(p.value * -1)
            case _: SellOrder => p
          }).toList
        } yield price
        trend = signedExecutionPrices.foldLeft(PnL.zero) {
          case (pnl, p) => PnL(pnl.value + p.value)
        } match {
          case p if p.value >= PnL.zero.value => PeriodPositive
          case _ => PeriodNegative
        }
      } yield ticker -> trend).toMap
    }

    val tickerToLastHour = periodPnL(Duration.standardHours(1)).mapValues {
      case PeriodPositive => LastHourPositive
      case PeriodNegative => LastHourNegative
    }
    val tickerToLastDay = periodPnL(Duration.standardDays(1)).mapValues {
      case PeriodPositive => LastDayPositive
      case PeriodNegative => LastDayNegative
    }
    val tickerToLastSevenDays = periodPnL(Duration.standardDays(7)).mapValues {
      case PeriodPositive => LastSevenDayPositive
      case PeriodNegative => LastSevenDayNegative
    }

    tickerToLastHour.zip(tickerToLastDay).zip(tickerToLastSevenDays).map({
      case (((t, lastHour), (_, lastDay)), (_, lastSevenDays)) =>
        TradingPerformanceTrend(t, lastHour, lastDay, lastSevenDays)
    }).toList
  }

}