Class: Megam::BackupsCollection

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ BackupsCollection

Returns a new instance of BackupsCollection.



6
7
8
9
10
 
# File 'lib/megam/core/backups_collection.rb', line 6

def initialize
  @backups = Array.new
  @backups_by_name = Hash.new
  @insert_after_idx = nil
end

Instance Attribute Details

#iterator ⇒ Object (readonly)

Returns the value of attribute iterator.



5
6
7
 
# File 'lib/megam/core/backups_collection.rb', line 5

def iterator
  @iterator
end

Class Method Details

.json_create(o) ⇒ Object 



101
102
103
104
105
106
107
108
109
110
111
 
# File 'lib/megam/core/backups_collection.rb', line 101

def self.json_create(o)
  collection = self.new()
  o["results"].each do |backups_list|
    backups_array = backups_list.kind_of?(Array) ? backups_list : [ backups_list ]
    backups_array.each do |backups|
      collection.insert(backups)

    end
  end
  collection
end

Instance Method Details

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



26
27
28
29
30
31
32
33
 
# File 'lib/megam/core/backups_collection.rb', line 26

def <<(*args)
  args.flatten.each do |a|
    is_megam_backups(a)
    @backups << a
    @backups_by_name[a.] = @backups.length - 1
  end
  self
end

#[](index) ⇒ Object 



16
17
18
 
# File 'lib/megam/core/backups_collection.rb', line 16

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

#[]=(index, arg) ⇒ Object 



20
21
22
23
24
 
# File 'lib/megam/core/backups_collection.rb', line 20

def []=(index, arg)
  is_megam_backups(arg)
  @backups[index] = arg
  @backups_by_name[arg.] = index
end

#all_backups ⇒ Object 



12
13
14
 
# File 'lib/megam/core/backups_collection.rb', line 12

def all_backups
  @backups
end

#each ⇒ Object 



57
58
59
60
61
 
# File 'lib/megam/core/backups_collection.rb', line 57

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

#each_index ⇒ Object 



63
64
65
66
67
 
# File 'lib/megam/core/backups_collection.rb', line 63

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

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


69
70
71
 
# File 'lib/megam/core/backups_collection.rb', line 69

def empty?
  @backups.empty?
end

#for_json ⇒ Object 



93
94
95
 
# File 'lib/megam/core/backups_collection.rb', line 93

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

#insert(backups) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
 
# File 'lib/megam/core/backups_collection.rb', line 38

def insert(backups)
  is_megam_backups(backups)
  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
    @backups.insert(@insert_after_idx + 1, backups)
    # update name -> location mappings and register new node
    @backups_by_name.each_key do |key|
    @backups_by_name[key] += 1 if @backups_by_name[key] > @insert_after_idx
    end
    @backups_by_name[backups.] = @insert_after_idx + 1
    @insert_after_idx += 1
  else
  @backups << backups
  @backups_by_name[backups.] = @backups.length - 1
  end
end

#lookup(backups) ⇒ Object 



73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
 
# File 'lib/megam/core/backups_collection.rb', line 73

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

#to_json(*a) ⇒ Object 



97
98
99
 
# File 'lib/megam/core/backups_collection.rb', line 97

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

#to_s ⇒ Object 



89
90
91
 
# File 'lib/megam/core/backups_collection.rb', line 89

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