com.github.paulporu

PriorityQueue

class PriorityQueue[A] extends Iterable[A] with GenericOrderedTraversableTemplate[A, PriorityQueue] with Builder[A, PriorityQueue[A]]

This class implements priority queues using a min heap. To prioritize elements of type A there must be an implicit Ordering[A] available at creation.

A

Type of data.

Linear Supertypes
Builder[A, PriorityQueue[A]], Growable[A], Clearable, GenericOrderedTraversableTemplate[A, PriorityQueue], Iterable[A], IterableLike[A, Iterable[A]], Equals, GenIterable[A], GenIterableLike[A, Iterable[A]], Traversable[A], GenTraversable[A], GenericTraversableTemplate[A, Iterable], TraversableLike[A, Iterable[A]], GenTraversableLike[A, Iterable[A]], Parallelizable[A, ParIterable[A]], TraversableOnce[A], GenTraversableOnce[A], FilterMonadic[A, Iterable[A]], HasNewBuilder[A, com.github.paulporu.PriorityQueue[A] @scala.annotation.unchecked.uncheckedVariance], AnyRef, Any
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Inherited
  1. PriorityQueue
  2. Builder
  3. Growable
  4. Clearable
  5. GenericOrderedTraversableTemplate
  6. Iterable
  7. IterableLike
  8. Equals
  9. GenIterable
  10. GenIterableLike
  11. Traversable
  12. GenTraversable
  13. GenericTraversableTemplate
  14. TraversableLike
  15. GenTraversableLike
  16. Parallelizable
  17. TraversableOnce
  18. GenTraversableOnce
  19. FilterMonadic
  20. HasNewBuilder
  21. AnyRef
  22. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new PriorityQueue()(implicit ord: Ordering[A])

    ord

    Ordering of data.

Type Members

  1. type Self = Iterable[A]

    Attributes
    protected[this]
    Definition Classes
    TraversableLike
  2. class WithFilter extends FilterMonadic[A, Repr]

    Definition Classes
    TraversableLike

Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. def ++[B >: A, That](that: GenTraversableOnce[B])(implicit bf: CanBuildFrom[Iterable[A], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  5. def ++:[B >: A, That](that: Traversable[B])(implicit bf: CanBuildFrom[Iterable[A], B, That]): That

    Definition Classes
    TraversableLike
  6. def ++:[B >: A, That](that: TraversableOnce[B])(implicit bf: CanBuildFrom[Iterable[A], B, That]): That

    Definition Classes
    TraversableLike
  7. def ++=(xs: TraversableOnce[A]): PriorityQueue.this.type

    Definition Classes
    Growable
  8. def +=(elem: A): PriorityQueue.this.type

    Inserts a single element into the priority queue.

    Inserts a single element into the priority queue.

    elem

    the element to insert.

    returns

    the heap.

    Definition Classes
    PriorityQueue → Builder → Growable
  9. def +=(elem1: A, elem2: A, elems: A*): PriorityQueue.this.type

    Definition Classes
    Growable
  10. def /:[B](z: B)(op: (B, A) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  11. def :\[B](z: B)(op: (A, B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  12. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  13. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  14. def addString(b: StringBuilder): StringBuilder

    Definition Classes
    TraversableOnce
  15. def addString(b: StringBuilder, sep: String): StringBuilder

    Definition Classes
    TraversableOnce
  16. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder

    Definition Classes
    TraversableOnce
  17. def aggregate[B](z: B)(seqop: (B, A) ⇒ B, combop: (B, B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  18. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  19. def canEqual(that: Any): Boolean

    Definition Classes
    IterableLike → Equals
  20. def clear(): Unit

    Clears the queue.

    Clears the queue.

    Definition Classes
    PriorityQueue → Builder → Growable → Clearable
  21. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  22. def collect[B, That](pf: PartialFunction[A, B])(implicit bf: CanBuildFrom[Iterable[A], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  23. def collectFirst[B](pf: PartialFunction[A, B]): Option[B]

    Definition Classes
    TraversableOnce
  24. def companion: GenericCompanion[Iterable]

    Definition Classes
    Iterable → GenIterable → Traversable → GenTraversable → GenericTraversableTemplate
  25. def copyToArray[B >: A](xs: Array[B], start: Int, len: Int): Unit

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  26. def copyToArray[B >: A](xs: Array[B]): Unit

    Definition Classes
    TraversableOnce → GenTraversableOnce
  27. def copyToArray[B >: A](xs: Array[B], start: Int): Unit

    Definition Classes
    TraversableOnce → GenTraversableOnce
  28. def copyToBuffer[B >: A](dest: Buffer[B]): Unit

    Definition Classes
    TraversableOnce
  29. def count(p: (A) ⇒ Boolean): Int

    Definition Classes
    TraversableOnce → GenTraversableOnce
  30. def dequeue(): A

    Returns the element with the lowest priority in the queue, and removes this element from the queue.

    Returns the element with the lowest priority in the queue, and removes this element from the queue.

    returns

    the element with the lowest priority.

    Exceptions thrown
    java.util.NoSuchElementException
  31. def drop(n: Int): Iterable[A]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  32. def dropRight(n: Int): Iterable[A]

    Definition Classes
    IterableLike
  33. def dropWhile(p: (A) ⇒ Boolean): Iterable[A]

    Definition Classes
    TraversableLike → GenTraversableLike
  34. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  35. def equals(that: Any): Boolean

    Checks if the heaps of the two priority queues are equal

    Checks if the heaps of the two priority queues are equal

    Definition Classes
    PriorityQueue → Equals → AnyRef → Any
  36. def exists(p: (A) ⇒ Boolean): Boolean

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  37. def filter(p: (A) ⇒ Boolean): Iterable[A]

    Definition Classes
    TraversableLike → GenTraversableLike
  38. def filterNot(p: (A) ⇒ Boolean): Iterable[A]

    Definition Classes
    TraversableLike → GenTraversableLike
  39. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  40. def find(p: (A) ⇒ Boolean): Option[A]

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  41. def flatMap[B, That](f: (A) ⇒ GenTraversableOnce[B])(implicit bf: CanBuildFrom[Iterable[A], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike → FilterMonadic
  42. def flatten[B](implicit asTraversable: (A) ⇒ GenTraversableOnce[B]): Iterable[B]

    Definition Classes
    GenericTraversableTemplate
  43. def fold[A1 >: A](z: A1)(op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce
  44. def foldLeft[B](z: B)(op: (B, A) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  45. def foldRight[B](z: B)(op: (A, B) ⇒ B): B

    Definition Classes
    IterableLike → TraversableOnce → GenTraversableOnce
  46. def forall(p: (A) ⇒ Boolean): Boolean

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  47. def foreach[U](f: (A) ⇒ U): Unit

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike → TraversableOnce → GenTraversableOnce → FilterMonadic
  48. def genericBuilder[B]: Builder[B, Iterable[B]]

    Definition Classes
    GenericTraversableTemplate
  49. def genericOrderedBuilder[B](implicit ord: Ordering[B]): Builder[B, PriorityQueue[B]]

    Definition Classes
    GenericOrderedTraversableTemplate
  50. def getAllByPriority(): List[A]

    Returns a List containing all the elements of the queue sorted by ascending priority

  51. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  52. def groupBy[K](f: (A) ⇒ K): Map[K, Iterable[A]]

    Definition Classes
    TraversableLike → GenTraversableLike
  53. def grouped(size: Int): Iterator[Iterable[A]]

    Definition Classes
    IterableLike
  54. def hasDefiniteSize: Boolean

    Definition Classes
    TraversableLike → TraversableOnce → GenTraversableOnce
  55. def hashCode(): Int

    The hashCode method always yields an error, since it is not safe to use mutable queues as keys in hash tables.

    The hashCode method always yields an error, since it is not safe to use mutable queues as keys in hash tables.

    returns

    never.

    Definition Classes
    PriorityQueue → AnyRef → Any
  56. def head: A

    Returns the element with the lowest priority in the queue, or throws an error if there is no element contained in the queue.

    Returns the element with the lowest priority in the queue, or throws an error if there is no element contained in the queue.

    Definition Classes
    PriorityQueue → IterableLike → GenericTraversableTemplate → TraversableLike → GenTraversableLike
  57. def headOption: Option[A]

    Definition Classes
    TraversableLike → GenTraversableLike
  58. def init: Iterable[A]

    Definition Classes
    TraversableLike → GenTraversableLike
  59. def inits: Iterator[Iterable[A]]

    Definition Classes
    TraversableLike
  60. def isEmpty: Boolean

    Definition Classes
    IterableLike → TraversableLike → TraversableOnce → GenTraversableOnce
  61. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  62. final def isTraversableAgain: Boolean

    Definition Classes
    TraversableLike → GenTraversableLike → GenTraversableOnce
  63. def iterator: Iterator[A]

    Definition Classes
    PriorityQueue → IterableLike → GenIterableLike
  64. def last: A

    Definition Classes
    TraversableLike → GenTraversableLike
  65. def lastOption: Option[A]

    Definition Classes
    TraversableLike → GenTraversableLike
  66. def map[B, That](f: (A) ⇒ B)(implicit bf: CanBuildFrom[Iterable[A], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike → FilterMonadic
  67. def mapResult[NewTo](f: (PriorityQueue[A]) ⇒ NewTo): Builder[A, NewTo]

    Definition Classes
    Builder
  68. def max[B >: A](implicit cmp: Ordering[B]): A

    Definition Classes
    TraversableOnce → GenTraversableOnce
  69. def maxBy[B](f: (A) ⇒ B)(implicit cmp: Ordering[B]): A

    Definition Classes
    TraversableOnce → GenTraversableOnce
  70. def min[B >: A](implicit cmp: Ordering[B]): A

    Definition Classes
    TraversableOnce → GenTraversableOnce
  71. def minBy[B](f: (A) ⇒ B)(implicit cmp: Ordering[B]): A

    Definition Classes
    TraversableOnce → GenTraversableOnce
  72. def mkString: String

    Definition Classes
    TraversableOnce → GenTraversableOnce
  73. def mkString(sep: String): String

    Definition Classes
    TraversableOnce → GenTraversableOnce
  74. def mkString(start: String, sep: String, end: String): String

    Definition Classes
    TraversableOnce → GenTraversableOnce
  75. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  76. def newBuilder: PriorityQueue[A]

    Attributes
    protected[this]
    Definition Classes
    PriorityQueue → GenericTraversableTemplate → TraversableLike → HasNewBuilder
  77. def nonEmpty: Boolean

    Definition Classes
    TraversableOnce → GenTraversableOnce
  78. final def notify(): Unit

    Definition Classes
    AnyRef
  79. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  80. implicit val ord: Ordering[A]

    Ordering of data.

    Ordering of data.

    Definition Classes
    PriorityQueue → GenericOrderedTraversableTemplate
  81. def orderedCompanion: GenericOrderedCompanion[PriorityQueue]

    Definition Classes
    PriorityQueue → GenericOrderedTraversableTemplate
  82. def par: ParIterable[A]

    Definition Classes
    Parallelizable
  83. def parCombiner: Combiner[A, ParIterable[A]]

    Attributes
    protected[this]
    Definition Classes
    TraversableLike → Parallelizable
  84. def partition(p: (A) ⇒ Boolean): (Iterable[A], Iterable[A])

    Definition Classes
    TraversableLike → GenTraversableLike
  85. def product[B >: A](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  86. def reduce[A1 >: A](op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce
  87. def reduceLeft[B >: A](op: (B, A) ⇒ B): B

    Definition Classes
    TraversableOnce
  88. def reduceLeftOption[B >: A](op: (B, A) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  89. def reduceOption[A1 >: A](op: (A1, A1) ⇒ A1): Option[A1]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  90. def reduceRight[B >: A](op: (A, B) ⇒ B): B

    Definition Classes
    IterableLike → TraversableOnce → GenTraversableOnce
  91. def reduceRightOption[B >: A](op: (A, B) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  92. def remove(index: Int): A

    Returns the element with the corresponding index, and removes this element from the queue.

    Returns the element with the corresponding index, and removes this element from the queue.

    index

    index of the element to remove

    returns

    the element with the lowest priority.

    Exceptions thrown
    java.util.NoSuchElementException
  93. def repr: Iterable[A]

    Definition Classes
    TraversableLike → GenTraversableLike
  94. def result(): PriorityQueue.this.type

    Definition Classes
    PriorityQueue → Builder
  95. def reversed: List[A]

    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  96. def sameElements[B >: A](that: GenIterable[B]): Boolean

    Definition Classes
    IterableLike → GenIterableLike
  97. def scan[B >: A, That](z: B)(op: (B, B) ⇒ B)(implicit cbf: CanBuildFrom[Iterable[A], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  98. def scanLeft[B, That](z: B)(op: (B, A) ⇒ B)(implicit bf: CanBuildFrom[Iterable[A], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
  99. def scanRight[B, That](z: B)(op: (A, B) ⇒ B)(implicit bf: CanBuildFrom[Iterable[A], B, That]): That

    Definition Classes
    TraversableLike → GenTraversableLike
    Annotations
    @migration
    Migration

    (Changed in version 2.9.0) The behavior of scanRight has changed. The previous behavior can be reproduced with scanRight.reverse.

  100. def seq: Iterable[A]

    Definition Classes
    Iterable → GenIterable → Traversable → GenTraversable → Parallelizable → TraversableOnce → GenTraversableOnce
  101. def size: Int

    Definition Classes
    TraversableOnce → GenTraversableOnce
  102. def sizeHint(coll: TraversableLike[_, _], delta: Int): Unit

    Definition Classes
    Builder
  103. def sizeHint(coll: TraversableLike[_, _]): Unit

    Definition Classes
    Builder
  104. def sizeHint(size: Int): Unit

    Definition Classes
    Builder
  105. def sizeHintBounded(size: Int, boundingColl: TraversableLike[_, _]): Unit

    Definition Classes
    Builder
  106. def slice(from: Int, until: Int): Iterable[A]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  107. def sliding(size: Int, step: Int): Iterator[Iterable[A]]

    Definition Classes
    IterableLike
  108. def sliding(size: Int): Iterator[Iterable[A]]

    Definition Classes
    IterableLike
  109. def span(p: (A) ⇒ Boolean): (Iterable[A], Iterable[A])

    Definition Classes
    TraversableLike → GenTraversableLike
  110. def splitAt(n: Int): (Iterable[A], Iterable[A])

    Definition Classes
    TraversableLike → GenTraversableLike
  111. def stringPrefix: String

    Definition Classes
    TraversableLike → GenTraversableLike
  112. def sum[B >: A](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce
  113. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  114. def tail: Iterable[A]

    Definition Classes
    TraversableLike → GenTraversableLike
  115. def tails: Iterator[Iterable[A]]

    Definition Classes
    TraversableLike
  116. def take(n: Int): Iterable[A]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  117. def takeRight(n: Int): Iterable[A]

    Definition Classes
    IterableLike
  118. def takeWhile(p: (A) ⇒ Boolean): Iterable[A]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableLike
  119. def thisCollection: Iterable[A]

    Attributes
    protected[this]
    Definition Classes
    IterableLike → TraversableLike
  120. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, A, Col[A]]): Col[A]

    Definition Classes
    TraversableLike → TraversableOnce → GenTraversableOnce
  121. def toArray[B >: A](implicit arg0: ClassTag[B]): Array[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  122. def toBuffer[B >: A]: Buffer[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  123. def toCollection(repr: Iterable[A]): Iterable[A]

    Attributes
    protected[this]
    Definition Classes
    IterableLike → TraversableLike
  124. def toIndexedSeq: IndexedSeq[A]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  125. def toIterable: Iterable[A]

    Definition Classes
    IterableLike → TraversableOnce → GenTraversableOnce
  126. def toIterator: Iterator[A]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableOnce
  127. def toList: List[A]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  128. def toMap[T, U](implicit ev: <:<[A, (T, U)]): Map[T, U]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  129. def toSeq: Seq[A]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  130. def toSet[B >: A]: Set[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  131. def toStream: Stream[A]

    Definition Classes
    IterableLike → TraversableLike → GenTraversableOnce
  132. def toString(): String

    Returns a textual representation of a queue as a string.

    Returns a textual representation of a queue as a string.

    Definition Classes
    PriorityQueue → TraversableLike → AnyRef → Any
  133. def toTraversable: Traversable[A]

    Definition Classes
    TraversableLike → TraversableOnce → GenTraversableOnce
  134. def toVector: Vector[A]

    Definition Classes
    TraversableOnce → GenTraversableOnce
  135. def transpose[B](implicit asTraversable: (A) ⇒ GenTraversableOnce[B]): Iterable[Iterable[B]]

    Definition Classes
    GenericTraversableTemplate
    Annotations
    @migration
    Migration

    (Changed in version 2.9.0) transpose throws an IllegalArgumentException if collections are not uniformly sized.

  136. def unzip[A1, A2](implicit asPair: (A) ⇒ (A1, A2)): (Iterable[A1], Iterable[A2])

    Definition Classes
    GenericTraversableTemplate
  137. def unzip3[A1, A2, A3](implicit asTriple: (A) ⇒ (A1, A2, A3)): (Iterable[A1], Iterable[A2], Iterable[A3])

    Definition Classes
    GenericTraversableTemplate
  138. def view(from: Int, until: Int): IterableView[A, Iterable[A]]

    Definition Classes
    IterableLike → TraversableLike
  139. def view: IterableView[A, Iterable[A]]

    Definition Classes
    IterableLike → TraversableLike
  140. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  141. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  142. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  143. def withFilter(p: (A) ⇒ Boolean): FilterMonadic[A, Iterable[A]]

    Definition Classes
    TraversableLike → FilterMonadic
  144. def zip[A1 >: A, B, That](that: GenIterable[B])(implicit bf: CanBuildFrom[Iterable[A], (A1, B), That]): That

    Definition Classes
    IterableLike → GenIterableLike
  145. def zipAll[B, A1 >: A, That](that: GenIterable[B], thisElem: A1, thatElem: B)(implicit bf: CanBuildFrom[Iterable[A], (A1, B), That]): That

    Definition Classes
    IterableLike → GenIterableLike
  146. def zipWithIndex[A1 >: A, That](implicit bf: CanBuildFrom[Iterable[A], (A1, Int), That]): That

    Definition Classes
    IterableLike → GenIterableLike

Deprecated Value Members

  1. def /:\[A1 >: A](z: A1)(op: (A1, A1) ⇒ A1): A1

    Definition Classes
    GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.10.0) use fold instead

Inherited from Builder[A, PriorityQueue[A]]

Inherited from Growable[A]

Inherited from Clearable

Inherited from GenericOrderedTraversableTemplate[A, PriorityQueue]

Inherited from Iterable[A]

Inherited from IterableLike[A, Iterable[A]]

Inherited from Equals

Inherited from GenIterable[A]

Inherited from GenIterableLike[A, Iterable[A]]

Inherited from Traversable[A]

Inherited from GenTraversable[A]

Inherited from GenericTraversableTemplate[A, Iterable]

Inherited from TraversableLike[A, Iterable[A]]

Inherited from GenTraversableLike[A, Iterable[A]]

Inherited from Parallelizable[A, ParIterable[A]]

Inherited from TraversableOnce[A]

Inherited from GenTraversableOnce[A]

Inherited from FilterMonadic[A, Iterable[A]]

Inherited from HasNewBuilder[A, com.github.paulporu.PriorityQueue[A] @scala.annotation.unchecked.uncheckedVariance]

Inherited from AnyRef

Inherited from Any

Ungrouped