Class: Mclone::ObjectSet

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/mclone.rb

Overview

Two-way mapping between an object and its ID

Direct Known Subclasses

TaskSet, VolumeSet

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ObjectSet

Returns a new instance of ObjectSet.



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# File 'lib/mclone.rb', line 80

def initialize
  @ids = {} # { id => object }
  @objects = {} # { object => object }
  @modified = false
end

Instance Method Details

#<<(obj) ⇒ Object

Either add brand new object or replace existing one equal to the specified object



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# File 'lib/mclone.rb', line 136

def <<(obj)
  forget(obj)
  @objects[obj] = @ids[obj.id] = obj
  @modified = true
  obj
end

#>>(obj) ⇒ Object

Remove object considered equal to the specified obj



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# File 'lib/mclone.rb', line 144

def >>(obj)
  @modified = true if (status = forget(obj))
  status
end

#[](obj) ⇒ Object

Return object considered equal to obj or nil



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# File 'lib/mclone.rb', line 111

def [](obj)
  @objects[obj]
end

#commit! ⇒ Object 



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# File 'lib/mclone.rb', line 120

def commit!
  @modified = false
  self
end

#each(&code) ⇒ Object 



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# File 'lib/mclone.rb', line 66

def each(&code)
  @objects.each_value(&code)
end

#each_id(&code) ⇒ Object 



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# File 'lib/mclone.rb', line 61

def each_id(&code)
  @ids.each_key(&code)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mclone.rb', line 71

def empty?
  @objects.empty?
end

#eql?(other) ⇒ Boolean Also known as: ==

Returns:

  • (Boolean) 


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# File 'lib/mclone.rb', line 94

def eql?(other)
  equal?(other) || objects == other.objects
end

#hash ⇒ Object 



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# File 'lib/mclone.rb', line 89

def hash
  @objects.hash
end

#id(obj) ⇒ Object

Return ID of the object considered equal to the specified obj or nil



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# File 'lib/mclone.rb', line 101

def id(obj)
  @objects[obj]&.id
end

#merge!(objs) ⇒ Object

Add all tasks from enumerable



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# File 'lib/mclone.rb', line 150

def merge!(objs)
  objs.each { |x| self << x }
  self
end

#modified? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mclone.rb', line 116

def modified?
  @modified
end

#object(id) ⇒ Object

Return object with specified ID or nil



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# File 'lib/mclone.rb', line 106

def object(id)
  @ids[id]
end

#resolve(pattern) ⇒ Object

Return a list of registered IDs (fully or partially) matching the specified pattern



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# File 'lib/mclone.rb', line 131

def resolve(pattern)
  each_id.to_a.resolve(pattern)
end

#size ⇒ Object 



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# File 'lib/mclone.rb', line 76

def size
  @objects.size
end