Class: Lotus::Model::Adapters::Memory::Collection::PrimaryKey Private

Inherits:

Object

• Object
• Lotus::Model::Adapters::Memory::Collection::PrimaryKey

Defined in:

lib/lotus/model/adapters/memory/collection.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

A counter that simulates autoincrement primary key of a SQL table.

Since:

• 0.1.0

Instance Method Summary

• #increment! {|@current += 1| ... } ⇒ Fixnum private

  Increment the current count by 1 and yields the given block.

• #initialize ⇒ Lotus::Model::Adapters::Memory::Collection::PrimaryKey constructor private

  Initialize.

Constructor Details

#initialize ⇒ Lotus::Model::Adapters::Memory::Collection::PrimaryKey

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Initialize

Since:

• 0.1.0

# File 'lib/lotus/model/adapters/memory/collection.rb', line 21

def initialize
  @current = 0
end

Instance Method Details

#increment! {|@current += 1| ... } ⇒ Fixnum

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Increment the current count by 1 and yields the given block

Yields:

• (@current += 1)

Returns:

• (Fixnum) —

  the incremented counter

Since:

• 0.1.0

# File 'lib/lotus/model/adapters/memory/collection.rb', line 31

def increment!
  yield(@current += 1)
  @current
end