class Megam::DisksCollection

Attributes

iterator[R]

Public Class Methods

json_create(o) click to toggle source
# File lib/megam/core/disks_collection.rb, line 101
def self.json_create(o)
  collection = self.new()
  o["results"].each do |disks_list|
    disks_array = disks_list.kind_of?(Array) ? disks_list : [ disks_list ]
    disks_array.each do |disks|
      collection.insert(disks)

    end
  end
  collection
end
new() click to toggle source
# File lib/megam/core/disks_collection.rb, line 6
def initialize
  @disks = Array.new
  @disks_by_name = Hash.new
  @insert_after_idx = nil
end

Public Instance Methods

<<(*args) click to toggle source
# File lib/megam/core/disks_collection.rb, line 26
def <<(*args)
  args.flatten.each do |a|
    is_megam_events(a)
    @disks << a
    @disks_by_name[a.account_id] = @disks.length - 1
  end
  self
end
Also aliased as: push
[](index) click to toggle source
# File lib/megam/core/disks_collection.rb, line 16
def [](index)
  @disks[index]
end
[]=(index, arg) click to toggle source
# File lib/megam/core/disks_collection.rb, line 20
def []=(index, arg)
  is_megam_disks(arg)
  @disks[index] = arg
  @disks_by_name[arg.account_id] = index
end
all_disks() click to toggle source
# File lib/megam/core/disks_collection.rb, line 12
def all_disks
  @disks
end
each() { |disks| ... } click to toggle source
# File lib/megam/core/disks_collection.rb, line 57
def each
  @disks.each do |disks|
    yield disks
  end
end
each_index() { |i| ... } click to toggle source
# File lib/megam/core/disks_collection.rb, line 63
def each_index
  @disks.each_index do |i|
    yield i
  end
end
empty?() click to toggle source
# File lib/megam/core/disks_collection.rb, line 69
def empty?
  @disks.empty?
end
for_json() click to toggle source
# File lib/megam/core/disks_collection.rb, line 93
def for_json
    to_a.map { |item| item.to_s }
end
insert(disks) click to toggle source
# File lib/megam/core/disks_collection.rb, line 38
def insert(disks)
  is_megam_disks(disks)
  if @insert_after_idx
    # in the middle of executing a run, so any nodes inserted now should
    # be placed after the most recent addition done by the currently executing
    # node
    @disks.insert(@insert_after_idx + 1, disks)
    # update name -> location mappings and register new node
    @disks_by_name.each_key do |key|
    @disks_by_name[key] += 1 if @disks_by_name[key] > @insert_after_idx
    end
    @disks_by_name[disks.account_id] = @insert_after_idx + 1
    @insert_after_idx += 1
  else
  @disks << disks
  @disks_by_name[disks.account_id] = @disks.length - 1
  end
end
lookup(disks) click to toggle source
# File lib/megam/core/disks_collection.rb, line 73
def lookup(disks)
  lookup_by = nil
  if events.kind_of?(Megam::Disks)
  lookup_by = disks.account_id
elsif disks.kind_of?(String)
  lookup_by = disks
  else
    raise ArgumentError, "Must pass a Megam::Disks or String to lookup"
  end
  res = @disks_by_name[lookup_by]
  unless res
    raise ArgumentError, "Cannot find a node matching #{lookup_by} (did you define it first?)"
  end
  @disks[res]
end
push(*args)

‘push’ is an alias method to <<

Alias for: <<
to_json(*a) click to toggle source
# File lib/megam/core/disks_collection.rb, line 97
def to_json(*a)
    Megam::JSONCompat.to_json(for_json, *a)
end
to_s() click to toggle source
# File lib/megam/core/disks_collection.rb, line 89
def to_s
    @disks.join(", ")
end

Private Instance Methods

is_megam_disks(arg) click to toggle source
# File lib/megam/core/disks_collection.rb, line 115
def is_megam_disks(arg)
  unless arg.kind_of?(Megam::Disks)
    raise ArgumentError, "Members must be Megam::Disks's"
  end
  true
end