Sha256: 5a2dd4485ceb5576117c15945cc55b95286f9175c8431276fb1166c5e981930f
Contents?: true
Size: 1.67 KB
Versions: 6
Compression:
Stored size: 1.67 KB
Contents
require "set"
require "pathname"
require "mutex_m"
module Spring
module Watcher
# A user of a watcher can use IO.select to wait for changes:
#
# watcher = MyWatcher.new(root, latency)
# IO.select([watcher]) # watcher is running in background
# watcher.stale? # => true
class Abstract
include Mutex_m
attr_reader :files, :directories, :root, :latency
def initialize(root, latency)
super()
@root = File.realpath(root)
@latency = latency
@files = Set.new
@directories = Set.new
@stale = false
@io_listener = nil
end
def add(*items)
items = items.flatten.map do |item|
item = Pathname.new(item)
if item.relative?
Pathname.new("#{root}/#{item}")
else
item
end
end
items = items.select(&:exist?)
synchronize {
items.each do |item|
if item.directory?
directories << item.realpath.to_s
else
files << item.realpath.to_s
end
end
subjects_changed
}
end
def stale?
@stale
end
def mark_stale
@stale = true
@io_listener.write "." if @io_listener
end
def to_io
read, write = IO.pipe
@io_listener = write
read
end
def restart
stop
start
end
def start
raise NotImplementedError
end
def stop
raise NotImplementedError
end
def subjects_changed
raise NotImplementedError
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems