Class: Mingle::KeyvalueStore::DynamodbBased

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

Instance Method Summary collapse

Constructor Details

#initialize(table_name, key_column, value_column) ⇒ DynamodbBased

Returns a new instance of DynamodbBased.



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# File 'lib/mingle_keyvalue_store.rb', line 70

def initialize(table_name, key_column, value_column)
  @key_column = key_column
  @value_column = value_column.to_s
  @table_name = table_name
end

Instance Method Details

#[](store_key) ⇒ Object 



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# File 'lib/mingle_keyvalue_store.rb', line 76

def [](store_key)
  if attribute = attributes(table_items[store_key])[@value_column]
    attribute
  end
end

#[]=(store_key, value) ⇒ Object 



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# File 'lib/mingle_keyvalue_store.rb', line 82

def []=(store_key, value)
  table_items.create(@key_column => store_key, @value_column => value)
end

#all_items ⇒ Object 



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# File 'lib/mingle_keyvalue_store.rb', line 94

def all_items
  table_items.map { |item| attributes(item) }
end

#clear ⇒ Object 



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# File 'lib/mingle_keyvalue_store.rb', line 86

def clear
  table_items.each(&:delete)
end

#delete(key) ⇒ Object 



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# File 'lib/mingle_keyvalue_store.rb', line 98

def delete(key)
  table_items.where(@key_column => key).first.delete
end

#names ⇒ Object 



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# File 'lib/mingle_keyvalue_store.rb', line 90

def names
  table_items.map(&:hash_value)
end