Class: SadieStorageManager

Inherits:
Object
  • Object
show all
Defined in:
lib/sadie_storage_manager.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SadieStorageManager

Returns a new instance of SadieStorageManager.



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# File 'lib/sadie_storage_manager.rb', line 3

def initialize
  @mechanisms = {}
end

Instance Method Details

#get(key) ⇒ Object 



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# File 'lib/sadie_storage_manager.rb', line 34

def get( key )
  @mechanisms[where_key?( key )].get( key ) if has_key?( key )
end

#has_key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sadie_storage_manager.rb', line 30

def has_key?( key )
  ( ! where_key?( key ).nil? )
end

#has_metadata?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sadie_storage_manager.rb', line 44

def has_metadata?( key )
  @mechanisms[where_key?( key )].has_metadata?( key ) if has_key?( key )
end

#mechanism_is_registered?(mechanism_handle) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sadie_storage_manager.rb', line 11

def mechanism_is_registered?( mechanism_handle )
  @mechanisms.has_key?( mechanism_handle )
end

#metadata(key) ⇒ Object 



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# File 'lib/sadie_storage_manager.rb', line 48

def metadata( key )
  @mechanisms[where_key?( key )].metadata( key ) if has_key?( key )
end

#register_storage_mechanism(handle, mechanism) ⇒ Object 



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# File 'lib/sadie_storage_manager.rb', line 7

def register_storage_mechanism( handle, mechanism )
  @mechanisms[handle] = mechanism
end

#registered_mechanisms ⇒ Object 



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# File 'lib/sadie_storage_manager.rb', line 15

def registered_mechanisms
  @mechanisms.keys
end

#set(params) ⇒ Object 



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# File 'lib/sadie_storage_manager.rb', line 52

def set( params )
  unless params.nil?
    
    if params.is_a? Hash
      
      if params.has_key?( :mechanism )
        
        if mechanism_is_registered? params[:mechanism]
          
          if params.has_key?( :keys ) && params[:keys].is_a?( Array ) &&
             params.has_key?( :value )
            has_metadata = false
            if params.has_key?(:metadata) && params[:metadata].is_a?( Hash )
              has_metadata = true
            end
            params[:keys].each do |key|
              if has_metadata
                @mechanisms[params[:mechanism]].set( key, params[:value], :metadata => params[:metadata] )
              else
                @mechanisms[params[:mechanism]].set( key, params[:value] )
              end
            end
          end
        end
      end
    end
  end
end

#unset(key) ⇒ Object 



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# File 'lib/sadie_storage_manager.rb', line 38

def unset( key )
  if has_key?( key )
    @mechanisms[where_key?( key )].unset( key )
  end
end

#where_key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sadie_storage_manager.rb', line 19

def where_key?( key )
  ret = nil
  registered_mechanisms.each do |mech|
    if @mechanisms[mech].has_key?( key )
      ret = mech
      break
    end
  end
  ret
end