Module: Rhubarb::Persisting

Defined in:
lib/rhubarb/rhubarb.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(other) ⇒ Object 



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# File 'lib/rhubarb/rhubarb.rb', line 438

def self.included(other)
  class << other
    include PersistingClassMixins
  end

  other.class_eval do
    attr_reader :row_id
    attr_reader :created
    attr_reader :updated
  end
end

Instance Method Details

#db ⇒ Object 



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# File 'lib/rhubarb/rhubarb.rb', line 450

def db
  self.class.db
end

#delete ⇒ Object

Deletes the row corresponding to this object from the database; invalidates =self= and any other objects backed by this row



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# File 'lib/rhubarb/rhubarb.rb', line 476

def delete
  self.db.execute("delete from #{self.class.table_name} where row_id = ?", @row_id)
  mark_dirty
  @tuple = nil
  @row_id = nil
end

#deleted? ⇒ Boolean

Returns true if the row backing this object has been deleted from the database



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# File 'lib/rhubarb/rhubarb.rb', line 455

def deleted?
  freshen
  not @tuple
end

#initialize(tup) ⇒ Object

Initializes a new instance backed by a tuple of values. Do not call this directly. Create new instances with the create or find methods.



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# File 'lib/rhubarb/rhubarb.rb', line 462

def initialize(tup)
  @backed = true
  @tuple = tup
  mark_fresh
  @row_id = @tuple["row_id"]
  @created = @tuple["created"]
  @updated = @tuple["updated"]
  resolve_referents
  self.class.dirtied[@row_id] ||= @expired_after
  self
end