Class: Octoryn::TextStream

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/octoryn/text_stream.rb

Overview

A lazy, cancellable, replayable stream of normalized Octoryn events.

Instance Method Summary collapse

Constructor Details

#initialize(governance: nil, &producer) ⇒ TextStream

Returns a new instance of TextStream.



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# File 'lib/octoryn/text_stream.rb', line 8

def initialize(governance: nil, &producer)
  @governance = governance
  @producer = producer
  @events = []
  @source = nil
  @complete = false
  @result = nil
  @error = nil
  @cancelled = false
end

Instance Method Details

#cancel ⇒ Object 



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# File 'lib/octoryn/text_stream.rb', line 36

def cancel
  @cancelled = true
  @error = Error.new('Octoryn stream cancelled')
  @complete = true
end

#each ⇒ Object

Raises:

  • (@error) 


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# File 'lib/octoryn/text_stream.rb', line 19

def each(&)
  return enum_for(:each) unless block_given?

  @events.each(&)
  return finish_replay if @complete

  consume_events(&)
  raise @error if @error
end

#result ⇒ Object

Raises:

  • (@error) 


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# File 'lib/octoryn/text_stream.rb', line 29

def result
  each { nil } unless @complete
  raise @error if @error

  @result || raise(Error, 'Octoryn stream has no final result')
end