Trait/Object

molecule.channel

GetChan

Related Docs: object GetChan | package channel

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trait GetChan[+A] extends AnyRef

Trait for blocking system-level input channels with blocking and message-at-a-time semantics.

This interface assumes that get_! and poison methods are invoked sequentially.

This trait is useful to wrap legacy blocking input interfaces and can easily be wrapped in a non-blocking IChan using the wrap method in the companion object (see the implementation of molecule.channel.Console for examples).

Note that the pattern captured by this trait is safer than the observer pattern in multi-threaded settings because objects inheriting this class can maintain state in an immutable manner by returning their next state together with the next message.

A

The type of messages.

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Abstract Value Members

  1. abstract def get_!(): Either[Signal, (A, GetChan[A])]

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    Get a single message from this channel.

    Get a single message from this channel.

    This method will block until a a new message is available.

    returns

    the message and the continuation of the channel.

  2. abstract def poison(signal: Signal): Unit

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    Poison this channel and any message it may have buffered.

    Poison this channel and any message it may have buffered.

    signal

    the poison signal.

    returns

    Unit

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

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