Class: KuberKit::Core::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/kuber_kit/core/store.rb

Constant Summary collapse

NotFoundError = 
Class.new(KuberKit::NotFoundError)
AlreadyAddedError = 
Class.new(KuberKit::Error)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(object_class_name) ⇒ Store

Returns a new instance of Store.



7
8
9
 
# File 'lib/kuber_kit/core/store.rb', line 7

def initialize(object_class_name)
  @object_class_name = object_class_name
end

Instance Attribute Details

#object_class_name ⇒ Object (readonly)

Returns the value of attribute object_class_name.



5
6
7
 
# File 'lib/kuber_kit/core/store.rb', line 5

def object_class_name
  @object_class_name
end

Instance Method Details

#add(item_name, item) ⇒ Object 



11
12
13
14
15
16
17
18
19
20
21
 
# File 'lib/kuber_kit/core/store.rb', line 11

def add(item_name, item)
  unless item.is_a?(object_class_name)
    raise ArgumentError.new("#{self.object_class_name}: should be an instance of #{object_class_name}, got: #{item.inspect}")
  end

  unless items[item_name].nil?
    raise AlreadyAddedError, "#{self.object_class_name}: item with name #{item_name} was already added"
  end

  items[item_name] = item
end

#exists?(name) ⇒ Boolean

Returns:

  • (Boolean) 


45
46
47
 
# File 'lib/kuber_kit/core/store.rb', line 45

def exists?(name)
  !items[name].nil?
end

#get(item_name) ⇒ Object 



23
24
25
26
27
28
29
30
31
 
# File 'lib/kuber_kit/core/store.rb', line 23

def get(item_name)
  item = items[item_name]

  if item.nil?
    raise NotFoundError, "#{self.object_class_name}: item '#{item_name}' not found"
  end

  item
end

#items ⇒ Object 



33
34
35
 
# File 'lib/kuber_kit/core/store.rb', line 33

def items
  @items ||= {}
end

#reset! ⇒ Object 



37
38
39
 
# File 'lib/kuber_kit/core/store.rb', line 37

def reset!
  @items = {}
end

#size ⇒ Object 



41
42
43
 
# File 'lib/kuber_kit/core/store.rb', line 41

def size
  items.count
end