Class: LittleGhost::Artifacts::PresentationBudget

Inherits:
Object
  • Object
show all
Defined in:
lib/little_ghost/artifacts/presentation_budget.rb

Overview

Bounds transient media delivery without making Tool success depend on delivery order. Overflowing content keeps its materialized reference but is not inserted into the model conversation. # :nodoc:

Constant Summary collapse

MAX_COUNT =

:nodoc:

4
MAX_BYTES = 
8 * 1024 * 1024

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PresentationBudget

Returns a new instance of PresentationBudget.



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# File 'lib/little_ghost/artifacts/presentation_budget.rb', line 12

def initialize
  @count = 0
  @bytes = 0
  @mutex = Mutex.new
end

Instance Method Details

#accept(content) ⇒ Object 



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# File 'lib/little_ghost/artifacts/presentation_budget.rb', line 18

def accept(content)
  blocks = Array(content)
  bytes = blocks.sum { |block| block_bytes(block) }
  @mutex.synchronize do
    return [].freeze if @count + blocks.length > MAX_COUNT
    return [].freeze if @bytes + bytes > MAX_BYTES

    @count += blocks.length
    @bytes += bytes
  end
  blocks
end