Class: EventMachine::Synchrony::Iterator
- Inherits:
-
EM::Iterator
- Object
- EM::Iterator
- EventMachine::Synchrony::Iterator
- Defined in:
- lib/em-synchrony/iterator.rb
Instance Method Summary collapse
-
#each(foreach = nil, after = nil, &blk) ⇒ Object
synchronous iterator which will wait until all the jobs are done before returning.
- #inject(obj, foreach = nil, after = nil, &block) ⇒ Object
- #map(&block) ⇒ Object
Instance Method Details
#each(foreach = nil, after = nil, &blk) ⇒ Object
synchronous iterator which will wait until all the jobs are done before returning. Unfortunately this means that you loose ability to choose concurrency on the fly (see iterator documentation in EM)
12 13 14 15 16 17 18 19 20 21 22 |
# File 'lib/em-synchrony/iterator.rb', line 12 def each(foreach=nil, after=nil, &blk) fiber = Fiber.current fe = (foreach || blk) cb = Proc.new do after.call if after fiber.resume end Fiber.yield super(fe, cb) end |
#inject(obj, foreach = nil, after = nil, &block) ⇒ Object
35 36 37 38 39 40 41 42 43 44 45 46 47 48 |
# File 'lib/em-synchrony/iterator.rb', line 35 def inject(obj, foreach = nil, after = nil, &block) if foreach and after super(obj, foreach, after) else fiber = Fiber.current result = nil after = Proc.new {|res| result = res; fiber.resume} super(obj, block, after) Fiber.yield result end end |
#map(&block) ⇒ Object
24 25 26 27 28 29 30 31 32 33 |
# File 'lib/em-synchrony/iterator.rb', line 24 def map(&block) fiber = Fiber.current result = nil after = Proc.new {|res| result = res; fiber.resume } super(block, after) Fiber.yield result end |