Class: Bcome::Node::Resources::Base

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/objects/node/resources/base.rb

Direct Known Subclasses

Inventory

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*_params) ⇒ Base

Returns a new instance of Base.



7
8
9
10
 
# File 'lib/objects/node/resources/base.rb', line 7

def initialize(*_params)
  @nodes = []
  @disabled_resources = []
end

Instance Attribute Details

#nodes ⇒ Object (readonly)

Returns the value of attribute nodes.



5
6
7
 
# File 'lib/objects/node/resources/base.rb', line 5

def nodes
  @nodes
end

Instance Method Details

#<<(node) ⇒ Object 



16
17
18
19
20
21
22
23
 
# File 'lib/objects/node/resources/base.rb', line 16

def <<(node)
  existing_node = for_identifier(node.identifier)
  if existing_node
    exception_message = "#{node.identifier} is not unique within namespace #{node.parent.namespace}"
    raise Bcome::Exception::NodeIdentifiersMustBeUnique, exception_message
  end
  @nodes << node
end

#active ⇒ Object 



69
70
71
 
# File 'lib/objects/node/resources/base.rb', line 69

def active
  @nodes - @disabled_resources
end

#clear! ⇒ Object 



25
26
27
 
# File 'lib/objects/node/resources/base.rb', line 25

def clear!
  @disabled_resources = []
end

#disable(identifier) ⇒ Object

Raises:



52
53
54
55
56
 
# File 'lib/objects/node/resources/base.rb', line 52

def disable(identifier)
  resource = for_identifier(identifier)
  raise Bcome::Exception::NoNodeNamedByIdentifier, identifier unless resource
  @disabled_resources << resource unless @disabled_resources.include?(resource)
end

#disable! ⇒ Object 



48
49
50
 
# File 'lib/objects/node/resources/base.rb', line 48

def disable!
  @disabled_resources = @nodes
end

#do_disable(identifier) ⇒ Object 



30
31
32
33
34
35
36
37
 
# File 'lib/objects/node/resources/base.rb', line 30

def do_disable(identifier)
  if identifier.is_a?(Array)
    identifier.each { |id| disable(id) }
  else
    disable(identifier)
  end
  nil
end

#do_enable(identifier) ⇒ Object 



39
40
41
42
43
44
45
46
 
# File 'lib/objects/node/resources/base.rb', line 39

def do_enable(identifier)
  if identifier.is_a?(Array)
    identifier.each { |id| enable(id) }
  else
    enable(identifier)
  end
  nil
end

#each ⇒ Object 



12
13
14
 
# File 'lib/objects/node/resources/base.rb', line 12

def each
  @nodes.each { |node| yield(node) }
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


82
83
84
 
# File 'lib/objects/node/resources/base.rb', line 82

def empty?
  @nodes.empty?
end

#enable(identifier) ⇒ Object

Raises:



58
59
60
61
62
 
# File 'lib/objects/node/resources/base.rb', line 58

def enable(identifier)
  resource = for_identifier(identifier)
  raise Bcome::Exception::NoNodeNamedByIdentifier, identifier unless resource
  @disabled_resources -= [resource]
end

#enable! ⇒ Object 



28
29
30
 
# File 'lib/objects/node/resources/base.rb', line 28

def clear!
  @disabled_resources = []
end

#first ⇒ Object 



94
95
96
 
# File 'lib/objects/node/resources/base.rb', line 94

def first
  @nodes.first
end

#for_identifier(identifier) ⇒ Object 



77
78
79
80
 
# File 'lib/objects/node/resources/base.rb', line 77

def for_identifier(identifier)
  resource = @nodes.select { |node| node.identifier == identifier }.first
  resource
end

#has_active_nodes? ⇒ Boolean

Returns:

  • (Boolean) 


86
87
88
 
# File 'lib/objects/node/resources/base.rb', line 86

def has_active_nodes?
  active.any?
end

#is_active_resource?(resource) ⇒ Boolean

Returns:

  • (Boolean) 


73
74
75
 
# File 'lib/objects/node/resources/base.rb', line 73

def is_active_resource?(resource)
  active.include?(resource)
end

#size ⇒ Object 



90
91
92
 
# File 'lib/objects/node/resources/base.rb', line 90

def size
  @nodes.size
end