Module: ActiveRecordShards::Model

Included in:
ActiveRecord::Base
Defined in:
lib/active_record_shards/model.rb

Defined Under Namespace

Modules: InstanceMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(base) ⇒ Object 



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# File 'lib/active_record_shards/model.rb', line 50

def self.extended(base)
  base.send(:include, InstanceMethods)

  if ActiveRecord::VERSION::MAJOR >= 3
    base.after_initialize :after_initialize_with_slave
  else
    if base.method_defined?(:after_initialize)
      base.alias_method_chain :after_initialize, :slave
    else
      base.send(:alias_method, :after_initialize, :after_initialize_with_slave)
    end
  end
end

Instance Method Details

#is_sharded? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record_shards/model.rb', line 10

def is_sharded?
  if self == ActiveRecord::Base
    true
  elsif self == base_class
    @sharded != false
  else
    base_class.is_sharded?
  end
end

#not_sharded ⇒ Object 



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# File 'lib/active_record_shards/model.rb', line 3

def not_sharded
  if self == ActiveRecord::Base || self != base_class
    raise "You should only call not_sharded on direct descendants of ActiveRecord::Base"
  end
  @sharded = false
end

#on_slave_by_default=(val) ⇒ Object 



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# File 'lib/active_record_shards/model.rb', line 30

def on_slave_by_default=(val)
  @on_slave_by_default = val
end

#on_slave_by_default? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record_shards/model.rb', line 20

def on_slave_by_default?
  if self == ActiveRecord::Base
    false
  elsif self == base_class
    @on_slave_by_default
  else
    base_class.on_slave_by_default?
  end
end