Scala randomUUID类代码示例

//设置package包名称以及导入依赖的类
package sqlpt.util

import java.util.UUID.randomUUID

import sqlpt.ast.expressions.{Selection, Table}
import sqlpt.ast.statements._, Statements._

object Misc extends Insertion.Implicits {
  def withTempTable[Cols <: Product, R]
  (selection: Selection[Cols])(action: (=> Table[Cols]) => Statements): Statements = {
    val uniqueTempTableName =
      "sqlpt_temp_table_" + randomUUID

    val tempTable = Table(uniqueTempTableName, selection.cols)

    statements(
      // TODO: There may be existing code in tests to generate table DDL from `Table` instances.
      StringStatement(s"""
        |CREATE TALBE $uniqueTempTableName
        |ROW FORMAT DELIMITED FIELDS
        |TERMINATED BY '|'
        |STORED AS TEXTFILE
      """.stripMargin),

      tempTable.insert(selection),

      action(tempTable),

      StringStatement(s"""
        |DROP TABLE IF EXISTS $uniqueTempTableName
      """.stripMargin)
    )
  }
} 

//设置package包名称以及导入依赖的类
package com.microsoft.partnercatalyst.fortis.spark.analyzer

import java.time.Instant.now
import java.util.UUID.randomUUID

import com.microsoft.partnercatalyst.fortis.spark.sources.streamwrappers.radio.RadioTranscription
import com.microsoft.partnercatalyst.fortis.spark.transforms.image.ImageAnalyzer

@SerialVersionUID(100L)
class RadioAnalyzer extends Analyzer[RadioTranscription] with Serializable
  with AnalysisDefaults.EnableAll[RadioTranscription] {
  override def toSchema(item: RadioTranscription, locationFetcher: LocationFetcher, imageAnalyzer: ImageAnalyzer): ExtendedDetails[RadioTranscription] = {
    ExtendedDetails(
      eventid = randomUUID().toString,
      eventtime = now.getEpochSecond,
      externalsourceid = item.radioUrl,
      body = item.text,
      title = "",
      pipelinekey = "Radio",
      sourceurl = item.radioUrl,
      original = item
    )
  }
} 

//设置package包名称以及导入依赖的类
package uk.co.telegraph.utils.server.filters

import java.util.UUID.randomUUID
import javax.inject.{Inject, Singleton}

import akka.stream.Materializer
import play.api.mvc._

import scala.concurrent.Future

import EventIdFilter._

@Singleton
class EventIdFilter @Inject()(implicit val mat:Materializer) extends Filter{

  override def apply(f: (RequestHeader) => Future[Result])(request: RequestHeader): Future[Result] = {
    if ( request.headers.get(EventIdHeader).isDefined ){
      return f(request)
    }

    val newHeaders = request.headers.add((EventIdHeader, randomUUID().toString))
    f(request.withHeaders( newHeaders ))
  }
}

object EventIdFilter{
  val EventIdHeader = "x-event-id"
} 

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

import java.util.UUID.randomUUID
import javax.inject.Singleton

import play.api.libs.json._
import play.api.mvc._

import scala.collection.mutable.ListBuffer

@Singleton
class CompanyController extends Controller {

  case class Company(id: Option[String], name: String)

  var companies = new ListBuffer[Company]();

  // bootstrap data
  companies += Company(Option(randomUUID.toString), "Taco Bell")
  companies += Company(Option(randomUUID.toString), "Office Max")
  companies += Company(Option(randomUUID.toString), "Rueben's Brews")

  implicit val companyWrites = Json.writes[Company]
  implicit val companyReads = Json.reads[Company]

  def listCompanies = Action {
    val json = Json.toJson(companies)
    Ok(json)
  }

  def addCompany = Action { request =>
    val json = request.body.asJson.get
    val companyIn = json.as[Company]
    if (companies.find(_.name == companyIn.name).isDefined) {
      BadRequest("company named " + companyIn.name + " already exists")
    }else if (companyIn.id.isDefined) {
        BadRequest("id must not be set for new entry")
    } else {
      var company = Company(Option(randomUUID.toString),companyIn.name)
      companies += company
      Ok(Json.toJson(company))
    }
  }
} 

//设置package包名称以及导入依赖的类
package api.schema

import sjsonnew.JsonFormat
import sjsonnew.support.scalajson.unsafe.{ Converter, PrettyPrinter }

import scala.collection.immutable.Map
import java.util.UUID.randomUUID
import org.joda.time.DateTime

import api.schema.codec.CustomProtocol._

object ApiSchema {
  def main(args: Array[String]): Unit = {

    val id = randomUUID().toString

    val requestObject = Request(
      domain = Domain.activity,
      result = Map(
        "id" -> id,
        "activity" -> Activity.follow.toString
      )
    )

    val responseObject = Response(
      method = Method.POST,
      action = Action.success,
      domain = Domain.activity,
      result = Map(
        "id" -> id,
        "activity" -> Activity.followed.toString
      ),
      timestamp = DateTime.now.toString
    )

    val response = PrettyPrinter(
      Converter.toJsonUnsafe(responseObject)
    )

    printf("Request => %s\n", requestObject)
    printf("Response => %s\n", response)
  }
}