本文整理汇总了Scala中scala.collection.immutable.TreeSet类的典型用法代码示例。如果您正苦于以下问题:Scala TreeSet类的具体用法?Scala TreeSet怎么用?Scala TreeSet使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了TreeSet类的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Scala代码示例。
示例1:
//设置package包名称以及导入依赖的类
package chapter17
import scala.collection.immutable.TreeSet
val ts = TreeSet(9, 3, 1, 8, 0, 2, 7, 4, 6, 5)
println(ts)
val ts2 = TreeSet(ts.toSeq: _*)(ts.ordering.reverse)
println(ts2)
val cs = TreeSet('f', 'u', 'n')
println(cs)
import scala.collection.immutable.TreeMap
var tm = TreeMap(3 -> 'x', 1 -> 'x', 4 -> 'x')
tm += (2 -> 'x')
println(tm)
val tm2 = TreeMap(tm.toSeq: _*)(tm.ordering.reverse)
println(tm2)
}
开发者ID:seraekim,项目名称:srkim-lang-scala,代码行数:21,代码来源:c17_i02.scala
示例2: ProcessorHierarchySpec
//设置package包名称以及导入依赖的类
package akka.stream
import akka.stream.testkit.AkkaSpec
import akka.stream.scaladsl.Flow
import akka.actor.ActorContext
import scala.concurrent.Await
import scala.concurrent.duration._
import akka.actor.ActorRef
import scala.collection.immutable.TreeSet
import scala.util.control.NonFatal
import akka.stream.impl.ActorBasedFlowMaterializer
class ProcessorHierarchySpec extends AkkaSpec("akka.actor.debug.lifecycle=off\nakka.loglevel=INFO") {
val materializer = FlowMaterializer(MaterializerSettings())
def self = ActorBasedFlowMaterializer.currentActorContext().self
"An ActorBasedFlowMaterializer" must {
"generate the right level of descendants" in {
val f = Flow(() ? {
testActor ! self
Flow(List(1)).map(x ? { testActor ! self; x }).toProducer(materializer)
}).take(3).foreach(x ? {
testActor ! self
Flow(x).foreach(_ ? testActor ! self).consume(materializer)
}).toFuture(materializer)
Await.result(f, 3.seconds)
val refs = receiveWhile(idle = 250.millis) {
case r: ActorRef ? r
}
try {
refs.toSet.size should be(8)
refs.distinct.map(_.path.elements.size).groupBy(x ? x).mapValues(x ? x.size) should be(Map(2 -> 2, 3 -> 6))
} catch {
case NonFatal(e) ?
println(refs.map(_.toString).to[TreeSet].mkString("\n"))
throw e
}
}
}
}
开发者ID:love1314sea,项目名称:akka-2.3.16,代码行数:46,代码来源:ProcessorHierarchySpec.scala
示例3: TreePrinter
//设置package包名称以及导入依赖的类
package com.rklaehn.persistentsummary
import scala.collection.immutable.{ CollectionTreeUtil, TreeSet }
import scala.util.Random
object TreePrinter extends App {
var t = TreeSet.empty[Int]
val r = new Random()
for (i ? 0 until 10)
t += r.nextInt(100)
val text = CollectionTreeUtil.toGraphVizDot(t)
println(text)
t += r.nextInt(100)
val text2 = CollectionTreeUtil.toGraphVizDot(t)
println(text2)
}
开发者ID:rklaehn,项目名称:persistentsummary,代码行数:18,代码来源:TreePrinter.scala
示例4: SimpleTreeSetSummaryBench
//设置package包名称以及导入依赖的类
package com.rklaehn.persistentsummary
import ichi.bench.Thyme
import scala.collection.immutable.TreeSet
object SimpleTreeSetSummaryBench extends App {
val th = Thyme.warmed(warmth = Thyme.HowWarm.BenchOff, verbose = println)
val summarizer = PersistentSummary.treeSet(IntLongSummary)
def buildCached(n: Int): Long = {
var current = TreeSet.empty[Int]
var totalSum = 0L
for (i ? 0 until n) {
current += i
totalSum += summarizer(current)
}
totalSum
}
def buildUncached(n: Int): Long = {
var current = TreeSet.empty[Int]
var totalSum = 0L
for (i ? 0 until n) {
current += i
totalSum += current.iterator.map(_.toLong).sum
}
totalSum
}
val n = 5000
val s = TreeSet(0 until n: _*)
def accessSummary(): Long = {
summarizer(s)
}
def summarySmallChange(): Long = {
val s1 = s + 10000
summarizer(s)
}
def sumSmallChange(): Long = {
val s1 = s + 10000
s1.iterator.map(_.toLong).sum
}
println("measures the time to access an already existing summary from a guava cache with weak keys")
th.pbenchWarm(th.Warm(accessSummary()), title = "access")
println("compares persistent summary with recalculating from scratch every time")
th.pbenchOffWarm(s"build 1 to $n uncached vs. cached")(th.Warm(buildUncached(n)))(th.Warm(buildCached(n)))
println("compare persistent summary with recalculating from scratch (single update to large collection)")
th.pbenchOffWarm(s"update 5000 / 1 uncached vs. cached")(th.Warm(sumSmallChange()))(th.Warm(summarySmallChange()))
}
开发者ID:rklaehn,项目名称:persistentsummary,代码行数:59,代码来源:SimpleTreeSetSummaryBench.scala
示例5: BootstrapListener
//设置package包名称以及导入依赖的类
package cwe.scala.library.audit.listener
import cwe.scala.library.audit._
import cwe.scala.library.audit.data._
import cwe.scala.library.runtime.io.Logger
import scala.collection.immutable.TreeSet
class BootstrapListener extends AuditEventListener {
private var forwardListener: AuditEventListener = null
private var eventBuffer = new TreeSet[AuditEvent]
// Dependency injection
def setForwardListener(l: AuditEventListener) = {
if (l == null) throw new IllegalArgumentException("AuditEventListener cannot be null")
else synchronized { forwardListener = l }
}
def getForwardListener(): AuditEventListener = {
if (forwardListener == null) synchronized { if (forwardListener == null) setForwardListener(getTraceService) }
forwardListener
}
private def getTraceService = {
val ts = AuditServiceProvider.createTraceService
ts.setLogger(Logger.createInstance("bootstrap"))
ts
}
// Implementation
def handleAuditEvent(e: AuditEvent) = {
// if first event, then forces the creation of the forwardListener to force all remaining events
if (eventBuffer.isEmpty) getForwardListener()
eventBuffer += e
}
def unregistred() = {
val l = this.getForwardListener()
this.eventBuffer.foreach((e) => { l.handleAuditEvent(e) })
l.unregistred()
}
private def myThreadId = Thread.currentThread().getId()
private def currentTime = System.currentTimeMillis()
}
开发者ID:wwwigii-system,项目名称:research,代码行数:44,代码来源:BootstrapListener.scala
示例6: EnumerationMacros
//设置package包名称以及导入依赖的类
package net.woaf.jono.phonehome
import scala.language.experimental.macros
import scala.reflect.macros.blackbox.Context
import scala.collection.immutable.TreeSet
object EnumerationMacros {
def sealedInstancesOf[A]: TreeSet[A] = macro sealedInstancesOfImpl[A]
def sealedInstancesOfImpl[A: c.WeakTypeTag](c: Context): c.Expr[TreeSet[A]] = {
import c.universe._ // scalastyle:ignore
val symbol = weakTypeOf[A].typeSymbol.asClass
if (!symbol.isClass || !symbol.isSealed) {
c.abort(c.enclosingPosition, "Can only enumerate values of a sealed trait or class.")
} else {
val children = symbol.knownDirectSubclasses.toList
if (!children.forall(_.isModuleClass)) {
c.abort(c.enclosingPosition, "All children must be objects.")
} else {
c.Expr[TreeSet[A]] {
def sourceModuleRef(sym: Symbol) = Ident(sym.asInstanceOf[scala.reflect.internal.Symbols#Symbol
].sourceModule.asInstanceOf[Symbol]
)
Apply(
Select(
reify(TreeSet).tree,
TermName("apply")
),
children.map(sourceModuleRef(_))
)
}
}
}
}
}
开发者ID:JonathanO,项目名称:phonehome,代码行数:44,代码来源:EnumerationMacros.scala
注:本文中的scala.collection.immutable.TreeSet类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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