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.



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# 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.



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

def hash
  @hash
end

Instance Method Details

#[](key) ⇒ Object 



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

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

#[]=(key, val) ⇒ Object 



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# 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 



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# 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