Class/Object

pl.metastack.metarx

PtrVar

Related Docs: object PtrVar | package metarx

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class PtrVar[T] extends StateChannel[T] with ChannelDefaultSize[T]

Every produced value on the channel change indicates that the underlying variable was modified and the current value can be retrieved via get. If a value v is produced on the resulting channel instead, then set(v) is called.

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Inherited
  1. PtrVar
  2. ChannelDefaultSize
  3. StateChannel
  4. ReadStateChannel
  5. Channel
  6. Bind
  7. WriteChannel
  8. Subscribe
  9. Produce
  10. ReadChannel
  11. Disposable
  12. Publish
  13. Flush
  14. PartialChannel
  15. Size
  16. Cache
  17. MapExtended
  18. Map
  19. Filter
  20. Aggregate
  21. Is
  22. Fold
  23. Take
  24. Tail
  25. Head
  26. AnyRef
  27. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new PtrVar(change: ReadChannel[_], _get: ⇒ T, set: (T) ⇒ Unit)

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Value Members

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

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    Definition Classes
    AnyRef → Any
  2. def !==(value: ReadChannel[T]): ReadChannel[Boolean]

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    Definition Classes
    Is
  3. def !==(value: T): ReadChannel[Boolean]

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    Definition Classes
    Is
  4. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  5. def :=(value: T): Unit

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    Definition Classes
    Produce
  6. def <<(ch: ReadChannel[T]): ReadChannel[Unit]

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    Definition Classes
    Subscribe
  7. def <<>>(other: Channel[T]): Unit

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    Definition Classes
    Bind
  8. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  9. def ===(value: ReadChannel[T]): ReadChannel[Boolean]

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    Definition Classes
    Is
  10. def ===(value: T): ReadChannel[Boolean]

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    Definition Classes
    Is
  11. def >>(ch: WriteChannel[T]): ReadChannel[Unit]

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    Definition Classes
    Publish
  12. def all(value: T): ReadChannel[Boolean]

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    All elements are equal to value

    All elements are equal to value

    Definition Classes
    Filter
    See also

    any

  13. def any(value: T): ReadChannel[Boolean]

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    At least one element is equal to value

    At least one element is equal to value

    Definition Classes
    Filter
    See also

    all

  14. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  15. def attach(f: (T) ⇒ Unit): ReadChannel[Unit]

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    Definition Classes
    ReadChannel
  16. def biMap[U](f: (T) ⇒ U, g: (U) ⇒ T): Channel[U]

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    Definition Classes
    Channel
  17. def bind(other: Channel[T], ignoreOther: ReadChannel[Unit]): Unit

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    Definition Classes
    Channel
  18. def bind(other: Channel[T]): Unit

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    Two-way binding; synchronises this and other.

    Two-way binding; synchronises this and other.

    Definition Classes
    ChannelBind
  19. def buffer: Buffer[T]

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    Buffers all produced elements

    Buffers all produced elements

    Definition Classes
    ReadChannel
  20. def cache(default: T): ReadStateChannel[T]

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    Definition Classes
    ReadChannelCache
  21. def cache: ReadPartialChannel[T]

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    Definition Classes
    ReadChannelCache
  22. def child(): ReadChannel[T]

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    Definition Classes
    ReadChannel
  23. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  24. def collect[U](f: PartialFunction[T, U]): ReadChannel[U]

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    Applies partial function f on each element; if the function is not defined for the current input, it is filtered out

    Applies partial function f on each element; if the function is not defined for the current input, it is filtered out

    Definition Classes
    ReadChannelMapExtended
  25. def contains[U](value: U)(implicit ev: <:<[T, Option[U]]): ReadChannel[Boolean]

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    Definition Classes
    ReadChannelPartialChannel
  26. def count(implicit ev: <:<[T, Option[_]]): ReadChannel[Int]

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    Definition Classes
    ReadChannelPartialChannel
  27. def count(value: T): ReadChannel[Int]

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    Count number of occurrence of value.

    Count number of occurrence of value.

    Definition Classes
    Filter
    Note

    Channels: With every matching element, the counter is increased.

    ,

    Buffers: When the element is removed, the counter is decreased.

  28. def detach(ch: ChildChannel[T, _]): Unit

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    Definition Classes
    ReadChannel
  29. def dispose(): Unit

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    Definition Classes
    StateChannelChannelDisposable
  30. def distinct: ReadChannel[T]

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    Filters out (merges) duplicates

    Filters out (merges) duplicates

    Definition Classes
    ReadChannelAggregate
  31. def drop(count: Int): ReadChannel[T]

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    Definition Classes
    ReadChannelTake
    Note

    Channels: Skips first count elements, then stop listening. Subscribing to it will always yield the last result as initial value.

    ,

    Buffers: Creates a sub-buffer without the first count elements.

  32. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  33. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  34. def exists(f: (T) ⇒ Boolean): ReadChannel[Boolean]

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    Checks for existence of a value for which f is true

    Checks for existence of a value for which f is true

    Definition Classes
    Filter
    Note

    Channels: false as long as f returns false, then true

    ,

    Buffers: false as long as no row exists where f is true, then true

    See also

    forall

  35. def filter(f: (T) ⇒ Boolean): ReadChannel[T]

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    Only include elements for which f is true

    Only include elements for which f is true

    Definition Classes
    ReadChannelFilter
  36. def filterCycles: ReadChannel[T]

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    Definition Classes
    ReadChannel
  37. def filterNot(f: (T) ⇒ Boolean): ReadChannel[T]

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    Definition Classes
    Filter
  38. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  39. def flatMap[U](f: (T) ⇒ ReadChannel[U]): ReadChannel[U]

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    Applies f on each element and flatten its result into the stream

    Applies f on each element and flatten its result into the stream

    Definition Classes
    ReadChannelMapExtended
  40. def flatMapBuf[U](f: (T) ⇒ ReadBuffer[U]): ReadBuffer[U]

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    Definition Classes
    ReadChannel
  41. def flatMapCh[U](f: (T) ⇒ Channel[U]): Channel[U]

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    flatMap with back-propagation.

    flatMap with back-propagation.

    Definition Classes
    ReadChannel
  42. def flatMapSeq[U](f: (T) ⇒ Seq[U]): ReadChannel[U]

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    Definition Classes
    ReadChannelMapExtended
    See also

    flatMap

  43. def flatProduce[U](value: Option[T], ignore: ReadChannel[U]*): Unit

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    Definition Classes
    WriteChannel
  44. def flatProduce(value: Option[T]): Unit

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    Definition Classes
    WriteChannel
  45. def flush(f: (T) ⇒ Unit): Unit

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    Call f for each element

    Call f for each element

    Definition Classes
    PtrVarWriteChannelReadChannelFlush
  46. def foldLeft[U](acc: U)(f: (U, T) ⇒ U): ReadChannel[U]

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    Definition Classes
    ReadChannelFold
    Note

    Caches the accumulator value.

  47. def forall(f: (T) ⇒ Boolean): ReadChannel[Boolean]

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    Checks whether f is true for all elements

    Checks whether f is true for all elements

    Definition Classes
    Filter
    See also

    exists

  48. def forkBi[U](fwd: Observer[T, U], bwd: Observer[U, T], silent: Boolean = false): Channel[U]

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    Bi-directional fork for values

    Bi-directional fork for values

    Definition Classes
    WriteChannel
  49. def forkBiFlat[U](obs: Observer[T, Channel[U]]): Channel[U]

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    Bi-directional fork for channels

    Bi-directional fork for channels

    Definition Classes
    ReadChannel
  50. def forkUni[U](observer: Observer[T, U], filterCycles: Boolean = false): ReadChannel[U]

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    Uni-directional fork for values

    Uni-directional fork for values

    Definition Classes
    ReadChannel
  51. def forkUniFlat[U](observer: Observer[T, ReadChannel[U]]): ReadChannel[U]

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    Uni-directional fork for channels

    Uni-directional fork for channels

    Definition Classes
    ReadChannel
  52. def forkUniState[U](observer: Observer[T, U], onFlush: ⇒ Option[U]): ReadChannel[U]

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    Definition Classes
    ReadChannel
  53. def get: T

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    Definition Classes
    PtrVarReadStateChannel
  54. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  55. def has(value: T): ReadChannel[Boolean]

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    Stream contains at least one occurrence of value.

    Stream contains at least one occurrence of value.

    Definition Classes
    Filter
    Note

    Channels: Once true, will never produce any other value.

    ,

    Buffers: When the item is removed, it will produce false.

  56. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  57. def head: ReadChannel[T]

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    Wraps first element as a channel

    Wraps first element as a channel

    Denotes first produced element after the head call; whether head has observers at this point is irrelevant as the value is cached (i.e. attaching repeatedly will always lead the same value)

    Definition Classes
    ReadChannelHead
  58. def is(other: ReadChannel[T]): ReadChannel[Boolean]

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    Definition Classes
    ReadChannelIs
  59. def is(value: T): ReadChannel[Boolean]

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    Current value is equal to value

    Current value is equal to value

    Definition Classes
    ReadChannelIs
  60. def isDefined(implicit ev: <:<[T, Option[_]]): ReadChannel[Boolean]

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    true if partial channel has a value, false otherwise

    true if partial channel has a value, false otherwise

    Definition Classes
    ReadChannelPartialChannel
  61. def isEmpty: ReadChannel[Boolean]

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    Definition Classes
    Size
    Note

    Partial channels: Produce true if the current value is cleared.

    ,

    Channels: Produce false with the first received value.

    ,

    Buffers: Produce a new value once a row is added or removed.

  62. def isHead(value: T): ReadChannel[Boolean]

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    Checks whether the given element is the first produced value

    Checks whether the given element is the first produced value

    Definition Classes
    ReadChannelHead
  63. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  64. def isNot(other: ReadChannel[T]): ReadChannel[Boolean]

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    Definition Classes
    ReadChannelIs
  65. def isNot(value: T): ReadChannel[Boolean]

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    Current value is not equal to value

    Current value is not equal to value

    Definition Classes
    ReadChannelIs
  66. def map[U](f: (T) ⇒ U): ReadChannel[U]

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    Applies f on each element

    Applies f on each element

    Definition Classes
    ReadChannelMap
  67. def mapOrElse[U, V](f: (U) ⇒ V, default: ⇒ V)(implicit ev: <:<[T, Option[U]]): ReadChannel[V]

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    Definition Classes
    ReadChannelPartialChannel
  68. def mapTo[U](f: (T) ⇒ U): DeltaDict[T, U]

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    Map f on each element and turn stream into a dictionary

    Map f on each element and turn stream into a dictionary

    Definition Classes
    ReadChannelMapExtended
  69. def mapValues[U, V](f: (U) ⇒ V)(implicit ev: <:<[T, Option[U]]): ReadChannel[Option[V]]

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    Definition Classes
    ReadChannelPartialChannel
  70. def max[U >: T](init: U)(implicit num: Numeric[U]): ReadChannel[U]

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    Calculates maximum value

    Calculates maximum value

    Definition Classes
    Fold
    See also

    foldLeft

  71. def merge(ch: ReadChannel[T]): ReadChannel[T]

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    Definition Classes
    ReadChannel
  72. def min[U >: T](init: U)(implicit num: Numeric[U]): ReadChannel[U]

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    Calculates minimum value

    Calculates minimum value

    Definition Classes
    Fold
    See also

    foldLeft

  73. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  74. def nonEmpty: ReadChannel[Boolean]

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    Negation of isEmpty

    Negation of isEmpty

    Definition Classes
    Size
  75. final def notify(): Unit

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

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    Definition Classes
    AnyRef
  77. def or(ch: ReadChannel[_]): ReadChannel[Unit]

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    Definition Classes
    ReadChannel
  78. def orElse[U](default: ⇒ ReadChannel[U])(implicit ev: <:<[T, Option[U]]): ReadChannel[U]

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    Definition Classes
    ReadChannelPartialChannel
  79. def partialBiMap[U](f: (T) ⇒ Option[U], g: (U) ⇒ Option[T]): Channel[U]

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    Definition Classes
    Channel
  80. def partition(f: (T) ⇒ Boolean): (ReadChannel[T], ReadChannel[T])

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    Partitions stream into two sub-stream

    Partitions stream into two sub-stream

    The left stream contains all elements for which f is true, all other elements go to the right stream.

    Definition Classes
    Filter
  81. def produce(): Unit

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  82. def produce[U](value: T, ignore: ReadChannel[U]*): Unit

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    Definition Classes
    WriteChannel
  83. def produce(value: T): Unit

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    Definition Classes
    WriteChannelProduce
  84. def product[U >: T](implicit num: Numeric[U]): ReadChannel[U]

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    Calculates product

    Calculates product

    Definition Classes
    Fold
    See also

    foldLeft

  85. def publish[U](ch: WriteChannel[T], ignore: ReadChannel[U]): ReadChannel[Unit]

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    Definition Classes
    ReadChannel
  86. def publish(ch: WriteChannel[T]): ReadChannel[Unit]

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    Definition Classes
    ReadChannelPublish
  87. def silentAttach(f: (T) ⇒ Unit): ReadChannel[Unit]

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    Definition Classes
    ReadChannel
  88. def size: ReadChannel[Int]

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    Definition Classes
    ChannelDefaultSize
  89. def state(default: T): Var[T]

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    Definition Classes
    Channel
  90. def state: Opt[T]

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    Definition Classes
    Channel
  91. val sub: ReadChannel[Unit]

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  92. def subscribe[U](ch: ReadChannel[T], ignore: ReadChannel[U]): ReadChannel[Unit]

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    Definition Classes
    WriteChannel
  93. def subscribe(ch: ReadChannel[T]): ReadChannel[Unit]

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    Redirect stream from other to this.

    Redirect stream from other to this.

    Definition Classes
    WriteChannelSubscribe
  94. def sum[U >: T](implicit num: Numeric[U]): ReadChannel[U]

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    Sums over all elements

    Sums over all elements

    Definition Classes
    Fold
    See also

    foldLeft

  95. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  96. def tail: ReadChannel[T]

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    Skips first element

    Skips first element

    Definition Classes
    ReadChannelTail
  97. def take(count: Int): ReadChannel[T]

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    Definition Classes
    ReadChannelTake
    Note

    Channels: Takes first count elements, then stop listening. Subscribing to it will always yield the last result as initial value.

    ,

    Buffers: Will always contain the first count (or less) elements of the parent buffer.

  98. def takeUntil(ch: ReadChannel[_]): ReadChannel[T]

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    Take all elements until ch produces any value

    Take all elements until ch produces any value

    Definition Classes
    ReadChannelTake
  99. def takeWhile(f: (T) ⇒ Boolean): ReadChannel[T]

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    Definition Classes
    ReadChannel
  100. def throttle(interval: FiniteDuration)(implicit scheduler: Scheduler): ReadChannel[T]

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    Definition Classes
    ReadChannel
  101. def toBuffer: Buffer[T]

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    Buffers only current element

    Buffers only current element

    Definition Classes
    ReadChannel
  102. def toOpt: Opt[T]

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    Definition Classes
    Channel
  103. def toString(): String

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    Definition Classes
    PtrVarChannel → AnyRef → Any
  104. def undefined(implicit ev: <:<[T, Option[_]]): ReadChannel[Boolean]

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    Definition Classes
    ReadChannelPartialChannel
  105. def update(f: (T) ⇒ T): Unit

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    Definition Classes
    StateChannel
  106. def values[U](implicit ev: <:<[T, Option[U]]): ReadChannel[U]

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    Filters out all defined values

    Filters out all defined values

    Definition Classes
    ReadChannelPartialChannel
  107. final def wait(): Unit

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

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  110. def writeTo(write: WriteChannel[T]): Channel[T]

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    Definition Classes
    ReadChannel
  111. def zip[U, V, W, X](other1: ReadChannel[U], other2: ReadChannel[V], other3: ReadChannel[W], other4: ReadChannel[X]): ReadChannel[(T, U, V, W, X)]

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    Definition Classes
    ReadChannel
  112. def zip[U, V, W](other1: ReadChannel[U], other2: ReadChannel[V], other3: ReadChannel[W]): ReadChannel[(T, U, V, W)]

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    Definition Classes
    ReadChannel
  113. def zip[U, V](other1: ReadChannel[U], other2: ReadChannel[V]): ReadChannel[(T, U, V)]

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    Helper function to zip channel with the two given channels.

    Helper function to zip channel with the two given channels. Can be used to avoid nested tuples.

    Definition Classes
    ReadChannel
  114. def zip[U](other: ReadChannel[U]): ReadChannel[(T, U)]

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    Definition Classes
    ReadChannel
  115. def zipWith[U, V](other: ReadChannel[U])(f: (T, U) ⇒ V): ReadChannel[V]

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    Definition Classes
    ReadChannel
  116. def |(ch: ReadChannel[_]): ReadChannel[Unit]

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    Definition Classes
    ReadChannel

Inherited from ChannelDefaultSize[T]

Inherited from StateChannel[T]

Inherited from ReadStateChannel[T]

Inherited from Channel[T]

Inherited from Bind[T]

Inherited from WriteChannel[T]

Inherited from Subscribe[T]

Inherited from Produce[T]

Inherited from ReadChannel[T]

Inherited from Disposable

Inherited from Publish[T]

Inherited from Flush[T]

Inherited from PartialChannel[T]

Inherited from Size

Inherited from Cache[T]

Inherited from MapExtended[ReadChannel, T]

Inherited from Map[ReadChannel, T]

Inherited from Filter[ReadChannel, T, T]

Inherited from Aggregate[ReadChannel, T]

Inherited from Is[T]

Inherited from Fold[T]

Inherited from Take[ReadChannel, T]

Inherited from Tail[ReadChannel, T]

Inherited from Head[T]

Inherited from AnyRef

Inherited from Any

Ungrouped