Class: DataMapper::Adapters::MasterSlaveAdapter

Inherits:
AbstractAdapter
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/data_mapper/adapters/master_slave_adapter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, options) ⇒ MasterSlaveAdapter

Returns a new instance of MasterSlaveAdapter.



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# File 'lib/data_mapper/adapters/master_slave_adapter.rb', line 15

def initialize(name, options)
  super

  @slave = if @options[:slave].kind_of?(AbstractAdapter)
    @options[:slave]
  else
    assert_kind_of 'options', @options[:slave],  Hash
    Adapters.new(name,  @options[:slave])
  end

  @master = if @options[:master].kind_of?(AbstractAdapter)
    @options[:master]
  else
    assert_kind_of 'options', @options[:master],  Hash
    Adapters.new(name,  @options[:master])
  end

  @reader = @slave
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, *args, &block) ⇒ Object (private) 



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# File 'lib/data_mapper/adapters/master_slave_adapter.rb', line 77

def method_missing(meth, *args, &block)
  writer.send(meth, *args, &block)
end

Instance Attribute Details

#master ⇒ Object (readonly)

Returns the value of attribute master.



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# File 'lib/data_mapper/adapters/master_slave_adapter.rb', line 10

def master
  @master
end

#slave ⇒ Object (readonly)

Returns the value of attribute slave.



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# File 'lib/data_mapper/adapters/master_slave_adapter.rb', line 9

def slave
  @slave
end

Instance Method Details

#bind_to_master ⇒ Object 



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# File 'lib/data_mapper/adapters/master_slave_adapter.rb', line 35

def bind_to_master
  original_reader, @reader = @reader, @master

  if block_given?
    begin
      yield
    ensure
      @reader = original_reader
    end
  else
    self
  end
end

#bound_to_master? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/data_mapper/adapters/master_slave_adapter.rb', line 49

def bound_to_master?
  @reader.equal?(@master)
end

#kind_of?(kind) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/data_mapper/adapters/master_slave_adapter.rb', line 58

def kind_of?(kind)
  super || master.kind_of?(kind)
end

#reset_binding ⇒ Object 



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# File 'lib/data_mapper/adapters/master_slave_adapter.rb', line 53

def reset_binding
  @reader = @slave
  self
end

#respond_to?(method) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/data_mapper/adapters/master_slave_adapter.rb', line 62

def respond_to?(method)
  super || master.respond_to?(method)
end