core
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core/ox/ox.channels/Source

Source

ox.channels.Source
See theSource companion object
trait Source[+T] extends SourceOps[T], SourceDrainOps[T]

A channel source, which can be used to receive values from the channel. See Channel for more details.

Attributes

Companion
object
Graph
Supertypes
trait SourceDrainOps[T]
trait SourceOps[T]
class Object
trait Matchable
class Any
Known subtypes
class Channel[T]

Members list

Type members

Classlikes

case class Receive extends SelectClause[T]

The clause passed to select, created using receiveClause or receiveOrDoneClause.

The clause passed to select, created using receiveClause or receiveOrDoneClause.

Attributes

Supertypes
trait Serializable
trait Product
trait Equals
trait SelectClause[T]
class Object
trait Matchable
class Any
Show all
case class Received extends SelectResult[T]

Holds the result of a receiveClause that was selected during a call to select.

Holds the result of a receiveClause that was selected during a call to select.

Attributes

Supertypes
trait Serializable
trait Product
trait Equals
trait SelectResult[T]
class Object
trait Matchable
class Any
Show all

Value members

Concrete methods

def isClosedForReceive: Boolean

Attributes

Returns

true if no more values can be received from this channel; Source.receive will throw ChannelClosedException. When closed for receive, sending values is also not possible, isClosedForSend will return true.

def isClosedForReceiveDetail: Option[ChannelClosed]

Attributes

Returns

Some if no more values can be received from this channel; Source.receive will throw ChannelClosedException. When closed for receive, sending values is also not possible, isClosedForSend will return true.

def receive(): T

Receive a value from the channel. For a variant which doesn't throw exceptions when the channel is closed, use receiveOrClosed.

Receive a value from the channel. For a variant which doesn't throw exceptions when the channel is closed, use receiveOrClosed.

Attributes

Returns

Either a value of type T, or ChannelClosed, when the channel is closed.

Throws
ChannelClosedException

If the channel is closed (done or in error).

def receiveClause: Receive

Create a clause which can be used in select. The clause will receive a value from the current channel.

Create a clause which can be used in select. The clause will receive a value from the current channel.

Attributes

def receiveOrClosed(): T | ChannelClosed

Receive a value from the channel. For a variant which throws exceptions when the channel is closed, use receive.

Receive a value from the channel. For a variant which throws exceptions when the channel is closed, use receive.

Attributes

Returns

Either a value of type T, or ChannelClosed, when the channel is closed.

def receiveOrDone(): T | Done.type

Receive a value from the channel.

Receive a value from the channel.

Attributes

Returns

Either a value of type T, or ChannelClosed.Done, when the channel is done.

Throws
ChannelClosedException

If the channel is in error.

See also

Inherited methods

def collect[U](f: PartialFunction[T, U])(using Ox, BufferCapacity): Source[U]

Applies the given mapping function f to each value received from this source, for which the function is defined, and sends the results to the returned channel. If f is not defined at a value, the value will be skipped.

Applies the given mapping function f to each value received from this source, for which the function is defined, and sends the results to the returned channel. If f is not defined at a value, the value will be skipped.

Errors from this channel are propagated to the returned channel. Any exceptions that occur when invoking f are propagated as errors to the returned channel as well.

Must be run within a scope, as a child fork is created, which receives from this source and sends the mapped values to the resulting one.

Value parameters

f

The mapping function.

Attributes

Returns

A source, onto which results of the mapping function will be sent.

Inherited from:
SourceOps
def drain(): Unit

Receives all values from the channel. Blocks until the channel is done.

Receives all values from the channel. Blocks until the channel is done.

Attributes

Throws
ChannelClosedException.Error

when there is an upstream error.

Inherited from:
SourceDrainOps
def drainOrError(): Unit | Error

The "safe" variant of drain.

The "safe" variant of drain.

Attributes

Inherited from:
SourceDrainOps
def filter(f: T => Boolean)(using Ox, BufferCapacity): Source[T]

Attributes

Inherited from:
SourceOps
def foreach(f: T => Unit): Unit

Invokes the given function for each received value. Blocks until the channel is done.

Invokes the given function for each received value. Blocks until the channel is done.

Attributes

Throws
ChannelClosedException.Error

When there is an upstream error.

Inherited from:
SourceDrainOps
def foreachOrError(f: T => Unit): Unit | Error

The "safe" variant of foreach.

The "safe" variant of foreach.

Attributes

Inherited from:
SourceDrainOps
def map[U](f: T => U)(using Ox, BufferCapacity): Source[U]

Applies the given mapping function f to each value received from this source, and sends the results to the returned channel.

Applies the given mapping function f to each value received from this source, and sends the results to the returned channel.

Errors from this channel are propagated to the returned channel. Any exceptions that occur when invoking f are propagated as errors to the returned channel as well.

Must be run within a scope, as a child fork is created, which receives from this source and sends the mapped values to the resulting one.

Value parameters

f

The mapping function.

Attributes

Returns

A source, onto which results of the mapping function will be sent.

Inherited from:
SourceOps
def pipeTo(sink: Sink[T], propagateDone: Boolean): Unit

Passes each received values from this channel to the given sink. Blocks until the channel is done.

Passes each received values from this channel to the given sink. Blocks until the channel is done.

Errors are always propagated. Successful channel completion is propagated when propagateDone is set to true.

Attributes

Inherited from:
SourceDrainOps
def tap(f: T => Unit)(using Ox, BufferCapacity): Source[T]

Applies the given consumer function f to each value received from this source.

Applies the given consumer function f to each value received from this source.

Errors from this channel are propagated to the returned channel. Any exceptions that occur when invoking f are propagated as errors to the returned channel as well.

Must be run within a scope, as a child fork is created, which receives from this source and sends the mapped values to the resulting one.

Useful for side-effects without result values, like logging and debugging.

Value parameters

f

The consumer function.

Attributes

Returns

A source, which the values from the input source are passed to.

Inherited from:
SourceOps
def toList: List[T]

Accumulates all values received from the channel into a list. Blocks until the channel is done.

Accumulates all values received from the channel into a list. Blocks until the channel is done.

Attributes

Throws
ChannelClosedException.Error

When there is an upstream error.

Inherited from:
SourceDrainOps
def toListOrError: List[T] | Error

The "safe" variant of toList.

The "safe" variant of toList.

Attributes

Inherited from:
SourceDrainOps
def transform[U](f: (Iterator[T]) => Iterator[U])(using Ox, BufferCapacity): Source[U]

Attributes

Inherited from:
SourceOps
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