Class: DeferredHashManipulator

Inherits:
Object
  • Object
show all
Defined in:
lib/hashlib.rb

Instance Method Summary collapse

Constructor Details

#initialize(hash) ⇒ DeferredHashManipulator

Returns a new instance of DeferredHashManipulator.



2
3
4
5
 
# File 'lib/hashlib.rb', line 2

def initialize(hash)
  @hash = hash
  @ops = []
end

Instance Method Details

#apply ⇒ Object 



30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/hashlib.rb', line 30

def apply()
  @ops.each do |op|
    case op[:type]
    when :set
      @hash.rset(op[:path], op[:value])
    when :unset
      @hash.unset(op[:path])
    end
  end

  @ops = []

  @hash
end

#peek ⇒ Object 



22
23
24
 
# File 'lib/hashlib.rb', line 22

def peek()
  @hash
end

#pending_operations ⇒ Object 



26
27
28
 
# File 'lib/hashlib.rb', line 26

def pending_operations()
  @ops
end

#set(path, value) ⇒ Object 



7
8
9
10
11
12
13
 
# File 'lib/hashlib.rb', line 7

def set(path, value)
  @ops << {
    :type  => :set,
    :path  => path,
    :value => value
  }
end

#unset(path) ⇒ Object 



15
16
17
18
19
20
 
# File 'lib/hashlib.rb', line 15

def unset(path)
  @ops << {
    :type  => :unset,
    :path  => path
  }
end