Class: MQTT::TXHash

Inherits:
Object
  • Object
show all
Defined in:
lib/mqtt/mqtt_hash.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mqtt, topic, startHash: Hash.new) ⇒ TXHash

Returns a new instance of TXHash.



52
53
54
55
56
57
 
# File 'lib/mqtt/mqtt_hash.rb', line 52

def initialize(mqtt, topic, startHash: Hash.new)
  @mqtt   = mqtt;
  @topicList = MQTT::SubHandler.get_topic_split(topic);

  @hash  = startHash;
end

Instance Attribute Details

#hash ⇒ Object

Returns the value of attribute hash.



8
9
10
 
# File 'lib/mqtt/mqtt_hash.rb', line 8

def hash
  @hash
end

Instance Method Details

#[](key) ⇒ Object 



64
65
66
 
# File 'lib/mqtt/mqtt_hash.rb', line 64

def [](key)
  return @hash[key]
end

#[]=(key, val) ⇒ Object 



68
69
70
71
 
# File 'lib/mqtt/mqtt_hash.rb', line 68

def []=(key, val)
  @hash[key]= val
  update_hash
end

#publish_layer(currentHash = nil, currentList = nil) ⇒ Object Also known as: update_hash 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/mqtt/mqtt_hash.rb', line 10

def publish_layer(currentHash = nil, currentList = nil)
  currentHash ||= @hash;
  currentList ||= Array.new();

  status = catch(:halt) do
    loop do
      throw :halt, :publish_layer      if currentList[-1] == "+"
      throw :halt, :publish_all_layered  if currentList[-1] == "#"
      throw :halt, :publish_hash       if currentList.length == @topicList.length

      currentList << @topicList[currentList.length]
    end
  end

  case status
  when :publish_hash
    @mqtt.publish_to currentList.join("/"), currentHash.to_json, retain: true

  when :publish_layer
    if(currentHash.is_a? Hash) then
      currentHash.each do |key, val|
        newList = currentList.clone();
        newList[-1] = key;
        publish_layer(val, newList);
      end
    else
      @mqtt.publish_to currentList.join("/"), currentHash.to_json, retain: true
    end

  when :publish_all_layered
    if(currentHash.is_a? Hash) then
      currentHash.each do |key, val|
        publish_layer(val, (currentList.clone[-1] = key)<<"#");
      end
    else
      @mqtt.publish_to currentList.join("/"), currentHash.to_json, retain: true
    end
  end
end