Class: Distem::DataCollection::Probe

Inherits:

Object

• Object
• Distem::DataCollection::Probe

show all

Defined in:

lib/distem/datacollection/probe.rb

Instance Attribute Summary (collapse)

• - (Object) data readonly

  Returns the value of attribute data.

Instance Method Summary (collapse)

• - (Object) get_value
• - (Probe) initialize(drift, data, opts) constructor

  A new instance of Probe.

• - (Object) restart
• - (Object) run
• - (Object) stop

13
14
15
16
17
18
19

# File 'lib/distem/datacollection/probe.rb', line 13

def initialize(drift, data, opts)
  @drift = drift
  @data = data
  @opts = opts
  @frequency = opts['frequency']
  @finished = false
end

11
12
13

# File 'lib/distem/datacollection/probe.rb', line 11

def data
  @data
end

42
43
44

# File 'lib/distem/datacollection/probe.rb', line 42

def get_value
  raise  Lib::NotImplementedError
end

31
32
33
34

# File 'lib/distem/datacollection/probe.rb', line 31

def restart
  @finished = false
  run
end

21
22
23
24
25
26
27
28
29

# File 'lib/distem/datacollection/probe.rb', line 21

def run
  @tid = Thread.new {
    while !@finished
      sleep(1 / @frequency)
      val = get_value
      @data << [(@drift + Time.now.to_f).round(3), val] if val
    end
  }
end

36
37
38
39
40

# File 'lib/distem/datacollection/probe.rb', line 36

def stop
  @finished = true
  sleep(1 + (1 / @frequency))
  Thread.kill(@tid) if @tid.alive?
end