Class: Megam::SensorsCollection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/megam/core/sensors_collection.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SensorsCollection

Returns a new instance of SensorsCollection.



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# File 'lib/megam/core/sensors_collection.rb', line 6

def initialize
  @sensors = []
  @sensors_by_name = {}
  @insert_after_idx = nil
end

Instance Attribute Details

#iterator ⇒ Object (readonly)

Returns the value of attribute iterator.



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# File 'lib/megam/core/sensors_collection.rb', line 5

def iterator
  @iterator
end

Class Method Details

.json_create(o) ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 101

def self.json_create(o)
  collection = new
  o['results'].each do |sensors_list|
    sensors_array = sensors_list.is_a?(Array) ? sensors_list : [sensors_list]
    sensors_array.each do |sensors|
      collection.insert(sensors)
    end
  end
  collection
end

Instance Method Details

#<<(*args) ⇒ Object Also known as: push 



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# File 'lib/megam/core/sensors_collection.rb', line 26

def <<(*args)
  args.flatten.each do |a|
    is_megam_sensors(a)
    @sensors << a
    @sensors_by_name[a.id] = @sensors.length - 1
  end
  self
end

#[](index) ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 16

def [](index)
  @sensors[index]
end

#[]=(index, arg) ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 20

def []=(index, arg)
  is_megam_sensors(arg)
  @sensors[index] = arg
  @sensors_by_name[arg.id] = index
end

#all_sensor ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 12

def all_sensor
  @sensors
end

#each ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 57

def each
  @sensors.each do |sensors|
    yield sensors
  end
end

#each_index ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 63

def each_index
  @sensors.each_index do |i|
    yield i
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/megam/core/sensors_collection.rb', line 69

def empty?
  @sensors.empty?
end

#for_json ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 93

def for_json
  to_a.map { |item| item.to_s }
end

#insert(sensors) ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 38

def insert(sensors)
  is_megam_sensors(sensors)
  if @insert_after_idx
    # in the middle of executing a run, so any predefs inserted now should
    # be placed after the most recent addition done by the currently executing
    # sensors
    @sensors.insert(@insert_after_idx + 1, sensors)
    # update name -> location mappings and register new sensors
    @sensors_by_name.each_key do |key|
      @sensors_by_name[key] += 1 if@sensors_by_name[key] > @insert_after_idx
    end
    @sensors_by_name[sensors.id] = @insert_after_idx + 1
    @insert_after_idx += 1
  else
    @sensors << sensors
    @sensors_by_name[sensors.id] = @sensors.length - 1
  end
end

#lookup(sensors) ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 73

def lookup(sensors)
  lookup_by = nil
  if sensors.is_a?(Megam.sensors)
    lookup_by = sensors.id
  elsif sensors.is_a?(String)
    lookup_by = sensors
  else
    fail ArgumentError, 'Must pass a Megam::sensors or String to lookup'
  end
  res = @sensors_by_name[lookup_by]
  unless res
    fail ArgumentError, "Cannot find a sensors matching #{lookup_by} (did you define it first?)"
  end
  @sensors[res]
end

#to_json(*a) ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 97

def to_json(*a)
  Megam::JSONCompat.to_json(for_json, *a)
end

#to_s ⇒ Object 



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# File 'lib/megam/core/sensors_collection.rb', line 89

def to_s
    @sensors.join(", ")
end