Class: Cql::Model

Inherits:
Object
  • Object
show all
Extended by:
ActiveModel::Naming
Includes:
ActiveModel::Conversion, ActiveModel::Dirty, ActiveModel::Serialization, ActiveModel::Validations, FinderMethods, PersistenceMethods, SchemaMethods
Defined in:
lib/cql/model.rb,
lib/cql/model/version.rb

Defined Under Namespace

Modules: FinderMethods, PersistenceMethods, SchemaMethods Classes: QueryResult

Constant Summary collapse

VERSION = 
'0.0.5'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from PersistenceMethods

#delete, #deleted?, #save

Methods included from SchemaMethods

#consistency, #primary_key, #table_name

Constructor Details

#initialize(attributes = {}, options = {}) ⇒ Model

Returns a new instance of Model.



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# File 'lib/cql/model.rb', line 33

def initialize(attributes = {}, options = {})
  self.class.columns.each do |key, config|
    class_eval do
      attr_reader config[:attribute_name]
      attr_writer config[:attribute_name] unless config[:read_only]
    end
  end

  @metadata = options[:metadata]
  @primary_value = attributes[self.class.primary_key.to_sym]
  @persisted = false
  @deleted = false

  attributes.each do |key, value|
    attr_name = "@#{key.to_s}".to_sym
    instance_variable_set(attr_name, value)
  end

  self
end

Instance Attribute Details

#primary_value ⇒ Object (readonly)

Returns the value of attribute primary_value.



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# File 'lib/cql/model.rb', line 31

def primary_value
  @primary_value
end

Class Method Details

.execute(query) ⇒ Object 



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# File 'lib/cql/model.rb', line 62

def self.execute(query)
  cql_results = Cql::Base.connection.execute(query, consistency)
  Cql::Model::QueryResult.new(cql_results, self)
end

Instance Method Details

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cql/model.rb', line 58

def persisted?
  @persisted
end

#quoted_primary_value ⇒ Object 



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# File 'lib/cql/model.rb', line 54

def quoted_primary_value
  primary_value.is_a?(Fixnum) ? primary_value : "'#{primary_value}'"
end