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scala.collection

Parallelizable

trait Parallelizable[+A, +ParRepr <: Parallel] extends Any

This trait describes collections which can be turned into parallel collections by invoking the method par. Parallelizable collections may be parametrized with a target type different than their own.

A

the type of the elements in the collection

ParRepr

the actual type of the collection, which has to be parallel

Source
Parallelizable.scala
Linear Supertypes
Known Subclasses
ValueSet, AbstractIterable, AbstractMap, AbstractSeq, AbstractSet, AbstractTraversable, BitSet, BitSetLike, CustomParallelizable, DefaultMap, GenIterable, GenIterableLike, GenMap, GenMapLike, GenSeq, GenSeqLike, GenSet, GenSetLike, GenTraversable, GenTraversableLike, IndexedSeq, IndexedSeqLike, IndexedSeqOptimized, Iterable, IterableLike, IterableView, IterableViewLike, Appended, DroppedWhile, EmptyView, Filtered, FlatMapped, Forced, Mapped, Prepended, Sliced, TakenWhile, Transformed, Zipped, ZippedAll, LinearSeq, LinearSeqLike, LinearSeqOptimized, Map, WithDefault, MapLike, DefaultKeySet, DefaultValuesIterable, FilteredKeys, MappedValues, Seq, SeqLike, SeqView, SeqViewLike, Appended, DroppedWhile, EmptyView, Filtered, FlatMapped, Forced, Mapped, Patched, Prepended, Reversed, Sliced, TakenWhile, Transformed, Zipped, ZippedAll, Set, SetLike, SortedMap, SortedMapLike, DefaultKeySortedSet, SortedSet, SortedSetLike, Traversable, TraversableLike, TraversableView, TraversableViewLike, Appended, DroppedWhile, EmptyView, Filtered, FlatMapped, Forced, Mapped, Prepended, Sliced, TakenWhile, Transformed, Map, TrieMap, ::, AbstractMap, BitSet, BitSet1, BitSet2, BitSetN, DefaultMap, HashMap, HashMap1, HashTrieMap, HashSet, HashTrieSet, IndexedSeq, Impl, IntMap, Iterable, LinearSeq, List, ListMap, Node, ListSet, Node, LongMap, Map, Map1, Map2, Map3, Map4, WithDefault, MapLike, ImmutableDefaultKeySet, Nil, NumericRange, Exclusive, Inclusive, Queue, Range, Inclusive, Seq, Set, Set1, Set2, Set3, Set4, SortedMap, DefaultKeySortedSet, SortedSet, Stream, Cons, Empty, StreamView, StreamViewLike, Appended, DroppedWhile, EmptyView, Filtered, FlatMapped, Forced, Mapped, Patched, Prepended, Reversed, Sliced, TakenWhile, Transformed, Zipped, ZippedAll, StringLike, StringOps, Traversable, TreeMap, TreeSet, Vector, WrappedString, AbstractBuffer, AbstractIterable, AbstractMap, AbstractSeq, AbstractSet, AbstractSortedMap, AbstractSortedSet, AnyRefMap, ArrayBuffer, ArrayLike, ArrayOps, ofBoolean, ofByte, ofChar, ofDouble, ofFloat, ofInt, ofLong, ofRef, ofShort, ofUnit, ArraySeq, ArrayStack, BitSet, Buffer, BufferLike, HashMap, HashSet, History, IndexedSeq, IndexedSeqLike, IndexedSeqOptimized, IndexedSeqView, DroppedWhile, Filtered, Reversed, Sliced, TakenWhile, Transformed, Iterable, LinearSeq, LinkedHashMap, DefaultKeySet, FilteredKeys, MappedValues, LinkedHashSet, ListBuffer, ListMap, LongMap, Map, WithDefault, MapLike, MultiMap, MutableList, OpenHashMap, PriorityQueue, Queue, ResizableArray, RevertibleHistory, Seq, SeqLike, Set, SetLike, SortedMap, SortedSet, StringBuilder, Traversable, TreeMap, TreeSet, UnrolledBuffer, WrappedArray, ofBoolean, ofByte, ofChar, ofDouble, ofFloat, ofInt, ofLong, ofRef, ofShort, ofUnit, ParIterable, ParIterableLike, ParMap, WithDefault, ParMapLike, DefaultKeySet, DefaultValuesIterable, ParSeq, ParSeqLike, ParSet, ParSetLike, ParHashMap, ParHashSet, ParIterable, ParMap, WithDefault, ParRange, ParSeq, ParSet, ParVector, ParArray, ParHashMap, ParHashSet, ParIterable, ParMap, WithDefault, ParMapLike, ParSeq, ParSet, ParSetLike, ParTrieMap, SystemProperties, IterableProxy, IterableProxyLike, MapProxy, MapProxyLike, SeqProxy, SeqProxyLike, SetProxy, SetProxyLike, TraversableProxy, TraversableProxyLike, IterableForwarder, SeqForwarder, TraversableForwarder, MapProxy, PagedSeq, SetProxy, Stack, BufferProxy, DefaultMapModel, DoubleLinkedList, DoubleLinkedListLike, ImmutableMapAdaptor, ImmutableSetAdaptor, LinkedList, LinkedListLike, MapProxy, ObservableBuffer, ObservableMap, ObservableSet, PriorityQueueProxy, QueueProxy, SetProxy, Stack, StackProxy, SynchronizedBuffer, SynchronizedMap, SynchronizedPriorityQueue, SynchronizedQueue, SynchronizedSet, SynchronizedStack, Script
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Inherited
  1. Parallelizable
  2. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Visibility
  1. Public
  2. All

Abstract Value Members

  1. abstract def getClass(): Class[_]

    Returns the runtime class representation of the object.

    Returns the runtime class representation of the object.

    returns

    a class object corresponding to the runtime type of the receiver.

    Definition Classes
    Any
  2. abstract def parCombiner: Combiner[A, ParRepr]

    The default par implementation uses the combiner provided by this method to create a new parallel collection.

    The default par implementation uses the combiner provided by this method to create a new parallel collection.

    returns

    a combiner for the parallel collection of type ParRepr

    Attributes
    protected[this]
  3. abstract def seq: TraversableOnce[A]

Concrete Value Members

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

    Test two objects for inequality.

    Test two objects for inequality.

    returns

    true if !(this == that), false otherwise.

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

    Equivalent to x.hashCode except for boxed numeric types and null.

    Equivalent to x.hashCode except for boxed numeric types and null. For numerics, it returns a hash value which is consistent with value equality: if two value type instances compare as true, then ## will produce the same hash value for each of them. For null returns a hashcode where null.hashCode throws a NullPointerException.

    returns

    a hash value consistent with ==

    Definition Classes
    Any
  3. def +(other: String): String
    Implicit
    This member is added by an implicit conversion from Parallelizable[A, ParRepr] to any2stringadd[Parallelizable[A, ParRepr]] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd
  4. def ->[B](y: B): (Parallelizable[A, ParRepr], B)
    Implicit
    This member is added by an implicit conversion from Parallelizable[A, ParRepr] to ArrowAssoc[Parallelizable[A, ParRepr]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()
  5. final def ==(arg0: Any): Boolean

    Test two objects for equality.

    Test two objects for equality. The expression x == that is equivalent to if (x eq null) that eq null else x.equals(that).

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    Definition Classes
    Any
  6. final def asInstanceOf[T0]: T0

    Cast the receiver object to be of type T0.

    Cast the receiver object to be of type T0.

    Note that the success of a cast at runtime is modulo Scala's erasure semantics. Therefore the expression 1.asInstanceOf[String] will throw a ClassCastException at runtime, while the expression List(1).asInstanceOf[List[String]] will not. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested type.

    returns

    the receiver object.

    Definition Classes
    Any
    Exceptions thrown

    ClassCastException if the receiver object is not an instance of the erasure of type T0.

  7. def ensuring(cond: (Parallelizable[A, ParRepr]) ⇒ Boolean, msg: ⇒ Any): Parallelizable[A, ParRepr]
    Implicit
    This member is added by an implicit conversion from Parallelizable[A, ParRepr] to Ensuring[Parallelizable[A, ParRepr]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  8. def ensuring(cond: (Parallelizable[A, ParRepr]) ⇒ Boolean): Parallelizable[A, ParRepr]
    Implicit
    This member is added by an implicit conversion from Parallelizable[A, ParRepr] to Ensuring[Parallelizable[A, ParRepr]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  9. def ensuring(cond: Boolean, msg: ⇒ Any): Parallelizable[A, ParRepr]
    Implicit
    This member is added by an implicit conversion from Parallelizable[A, ParRepr] to Ensuring[Parallelizable[A, ParRepr]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  10. def ensuring(cond: Boolean): Parallelizable[A, ParRepr]
    Implicit
    This member is added by an implicit conversion from Parallelizable[A, ParRepr] to Ensuring[Parallelizable[A, ParRepr]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring
  11. def equals(arg0: Any): Boolean

    Compares the receiver object (this) with the argument object (that) for equivalence.

    Compares the receiver object (this) with the argument object (that) for equivalence.

    Any implementation of this method should be an equivalence relation:

    • It is reflexive: for any instance x of type Any, x.equals(x) should return true.
    • It is symmetric: for any instances x and y of type Any, x.equals(y) should return true if and only if y.equals(x) returns true.
    • It is transitive: for any instances x, y, and z of type Any if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.

    If you override this method, you should verify that your implementation remains an equivalence relation. Additionally, when overriding this method it is usually necessary to override hashCode to ensure that objects which are "equal" (o1.equals(o2) returns true) hash to the same scala.Int. (o1.hashCode.equals(o2.hashCode)).

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    Definition Classes
    Any
  12. def formatted(fmtstr: String): String

    Returns string formatted according to given format string.

    Returns string formatted according to given format string. Format strings are as for String.format (@see java.lang.String.format).

    Implicit
    This member is added by an implicit conversion from Parallelizable[A, ParRepr] to StringFormat[Parallelizable[A, ParRepr]] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()
  13. def hashCode(): Int

    Calculate a hash code value for the object.

    Calculate a hash code value for the object.

    The default hashing algorithm is platform dependent.

    Note that it is allowed for two objects to have identical hash codes (o1.hashCode.equals(o2.hashCode)) yet not be equal (o1.equals(o2) returns false). A degenerate implementation could always return 0. However, it is required that if two objects are equal (o1.equals(o2) returns true) that they have identical hash codes (o1.hashCode.equals(o2.hashCode)). Therefore, when overriding this method, be sure to verify that the behavior is consistent with the equals method.

    returns

    the hash code value for this object.

    Definition Classes
    Any
  14. final def isInstanceOf[T0]: Boolean

    Test whether the dynamic type of the receiver object is T0.

    Test whether the dynamic type of the receiver object is T0.

    Note that the result of the test is modulo Scala's erasure semantics. Therefore the expression 1.isInstanceOf[String] will return false, while the expression List(1).isInstanceOf[List[String]] will return true. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the specified type.

    returns

    true if the receiver object is an instance of erasure of type T0; false otherwise.

    Definition Classes
    Any
  15. def par: ParRepr

    Returns a parallel implementation of this collection.

    Returns a parallel implementation of this collection.

    For most collection types, this method creates a new parallel collection by copying all the elements. For these collection, par takes linear time. Mutable collections in this category do not produce a mutable parallel collection that has the same underlying dataset, so changes in one collection will not be reflected in the other one.

    Specific collections (e.g. ParArray or mutable.ParHashMap) override this default behaviour by creating a parallel collection which shares the same underlying dataset. For these collections, par takes constant or sublinear time.

    All parallel collections return a reference to themselves.

    returns

    a parallel implementation of this collection

  16. def toString(): String

    Returns a string representation of the object.

    Returns a string representation of the object.

    The default representation is platform dependent.

    returns

    a string representation of the object.

    Definition Classes
    Any
  17. def [B](y: B): (Parallelizable[A, ParRepr], B)
    Implicit
    This member is added by an implicit conversion from Parallelizable[A, ParRepr] to ArrowAssoc[Parallelizable[A, ParRepr]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Inherited from Any

Inherited by implicit conversion any2stringadd from Parallelizable[A, ParRepr] to any2stringadd[Parallelizable[A, ParRepr]]

Inherited by implicit conversion StringFormat from Parallelizable[A, ParRepr] to StringFormat[Parallelizable[A, ParRepr]]

Inherited by implicit conversion Ensuring from Parallelizable[A, ParRepr] to Ensuring[Parallelizable[A, ParRepr]]

Inherited by implicit conversion ArrowAssoc from Parallelizable[A, ParRepr] to ArrowAssoc[Parallelizable[A, ParRepr]]

Ungrouped