Class: Sqlyzer::Parameter::List

Inherits:
Array
  • Object
show all
Defined in:
lib/sqlyzer/parameters.rb

Overview

Overloaded Array class to store Default class list.

Instance Method Summary collapse

Constructor Details

#initialize(elements = nil) ⇒ List

Create a new instance of List with given elements considered as an Array of Symbol or a List. If no parameter is given, create an empty List.



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# File 'lib/sqlyzer/parameters.rb', line 351

def     initialize(elements = nil)
  push_parameters elements if elements
end

Instance Method Details

#fetch_parameter(key) ⇒ Object Also known as: []

Search trough contained Default classes for key. key should be a Default class, a Symbol or a String.

See Default#<=> for more informations.



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# File 'lib/sqlyzer/parameters.rb', line 375

def     fetch_parameter(key)
  each { |parameter|
    if parameter == key
      yield parameter if block_given?
      return parameter
    end
  }
  nil
end

#join(separator = ', ', suffix = '') ⇒ Object Also known as: join_parameters

Overloaded version on Array#join to handle suffix on each element.



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# File 'lib/sqlyzer/parameters.rb', line 419

def     join(separator = ', ', suffix = '')
  "#{super("#{suffix}#{separator}")}#{suffix}"
end

#push(symbol) ⇒ Object Also known as: push_parameter, <<

Push a symbol on the top of the Array. symbol should be Default class or a Symbol. If symbol is a Symbol, it will be automatically converted to a Default class extended with Text Sql type handling.



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# File 'lib/sqlyzer/parameters.rb', line 394

def     push(symbol)
  return if include?(symbol)
  if symbol.kind_of?(Default)
    super symbol
  else
    super(symbol/Sqlyzer::Parameter::Types::Text)
  end
end

#push_parameters(data) ⇒ Object Also known as: +

Push each item of data Array by calling previous push_paramether method.



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# File 'lib/sqlyzer/parameters.rb', line 408

def     push_parameters(data)
  data.each { |symbol|
    push symbol
  }
  self
end

#to_sql(owner) ⇒ Object

Return a new Array class containing each contained Default class Sql representation from values retreived in owner.



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# File 'lib/sqlyzer/parameters.rb', line 361

def     to_sql(owner)
  collect { |symbol|
    symbol.to_sql owner
  }
end