Class: NativeQuery::Model

Inherits:
Object
  • Object
show all
Defined in:
lib/native-query/model.rb

Overview

Represents instance of ORM model.

Constant Summary collapse

RELEVANT_METHODS =

Indicates relevant methods for binding to the connection object.

Set::new [
    :insert, :update, :delete, :begin, :commit, :rollback, :transaction
]

Instance Method Summary collapse

Constructor Details

#initialize(driver, configuration) ⇒ Model

Constructor.



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# File 'lib/native-query/model.rb', line 46

def initialize(driver, configuration)
    @driver = driver
    @configuration = configuration
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *args, &block) ⇒ Object

Maps missing calls to tables.

Arguments are expected to be field names, so given to field query method.



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# File 'lib/native-query/model.rb', line 70

def method_missing(sym, *args, &block)
    
    # If it's binding to the connection
    if sym.in? Model::RELEVANT_METHODS
        return self.connection.send(sym, *args, &block)
        
    # In otherwise, it's query request
    else
        query = Query::new(self.connection, sym)
        
        if args and not args.empty?
            query.fields(*args)
        end
        
        if not block.nil?
            result = query.instance_eval(&block)
        else
            result = query
        end

        return result
    end
    
end

Instance Method Details

#connection ⇒ Object

Returns connection.



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# File 'lib/native-query/model.rb', line 55

def connection
    if not @connection
        @connection = FluentQuery::Connection::new(@driver, @configuration) 
    end
    
    @connection    # returns
end