Class: Megam::RequestCollection

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RequestCollection 



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

def initialize
  @requests = Array.new
  @requests_by_name = Hash.new
  @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/request_collection.rb', line 5

def iterator
  @iterator
end

Class Method Details

.json_create(o) ⇒ Object 



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

def self.json_create(o)
  collection = self.new()
  o["results"].each do |requests_list|
    requests_array = requests_list.kind_of?(Array) ? requests_list : [ requests_list ]
    requests_array.each do |request|
      collection.insert(request)
    end
  end
  collection
end

Instance Method Details

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



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

def <<(*args)
  args.flatten.each do |a|
    is_megam_request(a)
    @requests << a
    @requests_by_name[a.node_name] = @requests.length - 1
  end
  self
end

#[](index) ⇒ Object 



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

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

#[]=(index, arg) ⇒ Object 



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

def []=(index, arg)
  is_megam_request(arg)
  @requests[index] = arg
  @requests_by_name[arg.node_name] = index
end

#all_requests ⇒ Object 



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

def all_requests
  @requests
end

#each ⇒ Object 



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

def each
  @requests.each do |request|
    yield request
  end
end

#each_index ⇒ Object 



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

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

#empty? ⇒ Boolean 



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

def empty?
  @requests.empty?
end

#for_json ⇒ Object 



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

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

#insert(request) ⇒ Object 



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

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

#lookup(request) ⇒ Object 



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

def lookup(request)
  lookup_by = nil
  if request.kind_of?(Megam::Request)
  lookup_by = request.node_name
  elsif request.kind_of?(String)
  lookup_by = request
  else
    raise ArgumentError, "Must pass a Megam::Request or String to lookup"
  end
  res = @requests_by_name[lookup_by]
  unless res
    raise ArgumentError, "Cannot find a request matching #{lookup_by} (did you define it first?)"
  end
  @requests[res]
end

#to_json(*a) ⇒ Object 



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

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