Class: CollectionManager

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

Overview

Collection Manager Class to manage collections

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CollectionManager

Returns a new instance of CollectionManager.



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# File 'lib/collection_manager.rb', line 8

def initialize
  @current_id = 0;
  @collections = Hash.new
end

Instance Method Details

#add(collection) ⇒ Object

Adds a new collection to the Hash object

Example:

>> cm = CollectionManager.new
>> cm.add(Stack.new)

Arguments:

a collection object, eg. Stack or Queue



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# File 'lib/collection_manager.rb', line 23

def add(collection)
  @current_id += 1
  @collections[@current_id] = collection
end

#all ⇒ Object

Returns all the collections



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# File 'lib/collection_manager.rb', line 56

def all
  @collections
end

#delete(id) ⇒ Object

Deletes a collection from the Hash object

Example:

>> cm.delete(1)

Arguments:

id of the collection



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# File 'lib/collection_manager.rb', line 37

def delete(id)
  @collections.delete(id)
end

#find(id) ⇒ Object

Returns a collection form the Hash id with key as id

Example:

>> cm.find(1)
=> value at key 1 in the Hash object

Arguments:

id of the collection



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# File 'lib/collection_manager.rb', line 50

def find(id)
  @collections[id]
end