Class: Medusa::Storage::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/medusa/storage/base.rb

Instance Method Summary collapse

Constructor Details

#initialize(adapter) ⇒ Base

Returns a new instance of Base.



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# File 'lib/medusa/storage/base.rb', line 7

def initialize(adapter)
  @adap = adapter

  # verify adapter conforms to this class's methods
  public_methods(false).each do |method|
    if !@adap.respond_to?(method.to_sym)
      raise "Storage adapter must support method #{method}"
    end
  end
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/medusa/storage/base.rb', line 18

def [](key)
  @adap[key]
  rescue
    raise RetrievalError
end

#[]=(key, value) ⇒ Object 



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# File 'lib/medusa/storage/base.rb', line 24

def []=(key, value)
  @adap[key] = value
  rescue
    raise InsertionError
end

#clear ⇒ Object 



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# File 'lib/medusa/storage/base.rb', line 36

def clear
  @adap.clear
  rescue
    raise GenericError
end

#close ⇒ Object 



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# File 'lib/medusa/storage/base.rb', line 54

def close
  @adap.close
  rescue
    raise CloseError
end

#delete(key) ⇒ Object 



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# File 'lib/medusa/storage/base.rb', line 30

def delete(key)
  @adap.delete(key)
  rescue
    raise DeletionError
end

#each ⇒ Object 



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# File 'lib/medusa/storage/base.rb', line 42

def each
  @adap.each { |k, v| yield k, v }
  rescue
    raise GenericError
end

#has_key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/medusa/storage/base.rb', line 72

def has_key?(key)
  @adap.has_key?(key)
  rescue
    raise GenericError
end

#keys ⇒ Object 



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# File 'lib/medusa/storage/base.rb', line 66

def keys
  @adap.keys
  rescue
    raise GenericError
end

#merge!(hash) ⇒ Object 



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# File 'lib/medusa/storage/base.rb', line 48

def merge!(hash)
  @adap.merge!(hash)
  rescue
    raise GenericError
end

#size ⇒ Object 



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# File 'lib/medusa/storage/base.rb', line 60

def size
  @adap.size
  rescue
    raise GenericError
end