Class: ChefFS::Parallelizer

Inherits:
Object
  • Object
show all
Defined in:
lib/chef_fs/parallelizer.rb

Defined Under Namespace

Classes: ParallelizedResults

Constant Summary collapse

@@parallelizer = 
nil
@@threads = 
0

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(threads) ⇒ Parallelizer

Returns a new instance of Parallelizer.



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# File 'lib/chef_fs/parallelizer.rb', line 18

def initialize(threads)
  @tasks_mutex = Mutex.new
  @tasks = []
  @threads = []
  1.upto(threads) do
    @threads << Thread.new { worker_loop }
  end
end

Class Method Details

.parallelize(enumerator, options = {}, &block) ⇒ Object 



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# File 'lib/chef_fs/parallelizer.rb', line 13

def self.parallelize(enumerator, options = {}, &block)
  @@parallelizer ||= Parallelizer.new(@@threads)
  @@parallelizer.parallelize(enumerator, options, &block)
end

.threads=(value) ⇒ Object 



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# File 'lib/chef_fs/parallelizer.rb', line 6

def self.threads=(value)
  if @@threads != value
    @@threads = value
    @@parallelizer = nil
  end
end

Instance Method Details

#parallelize(enumerator, options = {}, &block) ⇒ Object 



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# File 'lib/chef_fs/parallelizer.rb', line 27

def parallelize(enumerator, options = {}, &block)
  task = ParallelizedResults.new(enumerator, options, &block)
  @tasks_mutex.synchronize do
    @tasks << task
  end
  task
end