43 lines
1.3 KiB
Ruby
43 lines
1.3 KiB
Ruby
|
require 'concurrent/configuration'
|
||
|
|
|
||
|
|
module Concurrent
|
||
|
|
|
||
|
|
# @!visibility private
|
||
|
|
module Options
|
||
|
|
|
||
|
|
# Get the requested `Executor` based on the values set in the options hash.
|
||
|
|
#
|
||
|
|
# @param [Hash] opts the options defining the requested executor
|
||
|
|
# @option opts [Executor] :executor when set use the given `Executor` instance.
|
||
|
|
# Three special values are also supported: `:fast` returns the global fast executor,
|
||
|
|
# `:io` returns the global io executor, and `:immediate` returns a new
|
||
|
|
# `ImmediateExecutor` object.
|
||
|
|
#
|
||
|
|
# @return [Executor, nil] the requested thread pool, or nil when no option specified
|
||
|
|
#
|
||
|
|
# @!visibility private
|
||
|
|
def self.executor_from_options(opts = {}) # :nodoc:
|
||
|
|
if identifier = opts.fetch(:executor, nil)
|
||
|
|
executor(identifier)
|
||
|
|
else
|
||
|
|
nil
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
def self.executor(executor_identifier)
|
||
|
|
case executor_identifier
|
||
|
|
when :fast
|
||
|
|
Concurrent.global_fast_executor
|
||
|
|
when :io
|
||
|
|
Concurrent.global_io_executor
|
||
|
|
when :immediate
|
||
|
|
Concurrent.global_immediate_executor
|
||
|
|
when Concurrent::ExecutorService
|
||
|
|
executor_identifier
|
||
|
|
else
|
||
|
|
raise ArgumentError, "executor not recognized by '#{executor_identifier}'"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|