Class: ChefWorkflow::DatabaseSupport::Generic

Inherits:
Object
  • Object
show all
Defined in:
lib/chef-workflow/support/db/basic.rb

Direct Known Subclasses

Collection, Object

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(table_name, object_name = nil) ⇒ Generic

Returns a new instance of Generic.



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# File 'lib/chef-workflow/support/db/basic.rb', line 8

def initialize(table_name, object_name=nil)
  raise "a table_name must be provided!" unless table_name

  @table_name   = table_name
  @object_name  = object_name
  post_marshal_init
  create_table
end

Instance Attribute Details

#db ⇒ Object

Returns the value of attribute db.



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# File 'lib/chef-workflow/support/db/basic.rb', line 6

def db
  @db
end

Class Method Details

._load(value) ⇒ Object 



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# File 'lib/chef-workflow/support/db/basic.rb', line 17

def self._load(value)
  obj = self.new(*Marshal.load(value))
  return obj
end

Instance Method Details

#_dump(level) ⇒ Object 



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# File 'lib/chef-workflow/support/db/basic.rb', line 22

def _dump(level)
  self.db = nil
  res = Marshal.dump([@table_name, @object_name])
  post_marshal_init
  return res
end

#create_table ⇒ Object 



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# File 'lib/chef-workflow/support/db/basic.rb', line 33

def create_table
  raise "Do not use the Generic type directly!"
end

#post_marshal_init ⇒ Object 



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# File 'lib/chef-workflow/support/db/basic.rb', line 29

def post_marshal_init
  @db = ChefWorkflow::DatabaseSupport.instance
end