Sha256: b16af06af60195d1781e1dc0187e0270dc65555af11eb571b627b2f52def354e
Contents?: true
Size: 793 Bytes
Versions: 12
Compression:
Stored size: 793 Bytes
Contents
require "thread"
class FutureResource
def initialize
@resource_lock = Monitor.new
@resource_value_blocker = @resource_lock.new_cond
end
def set_yet?
@resource_lock.synchronize { defined? @resource }
end
def resource
@resource_lock.synchronize do
@resource_value_blocker.wait unless defined? @resource
@resource
end
end
def resource=(resource)
@resource_lock.synchronize do
raise ResourceAlreadySetException if defined? @resource
@resource = resource
@resource_value_blocker.broadcast
@resource_value_blocker = nil # Don't really need it anymore.
end
end
class ResourceAlreadySetException < Exception
def initialize
super "Cannot set this resource twice!"
end
end
end
Version data entries
12 entries across 12 versions & 6 rubygems