Class: Squeel::Nodes::Stub

Inherits:
Object
  • Object
show all
Includes:
Operators, PredicateMethods
Defined in:
lib/squeel/nodes/stub.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Operators

#*, #+, #-, #/, #op

Methods included from PredicateMethods

included

Constructor Details

#initialize(symbol) ⇒ Stub

Returns a new instance of Stub.



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# File 'lib/squeel/nodes/stub.rb', line 13

def initialize(symbol)
  @symbol = symbol
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_id, *args) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 34

def method_missing(method_id, *args)
  super if method_id == :to_ary
  if (args.size == 1) && (Class === args[0])
    KeyPath.new(self, Join.new(method_id, Arel::InnerJoin, args[0]))
  else
    KeyPath.new(self, method_id)
  end
end

Instance Attribute Details

#symbol ⇒ Object (readonly)

Returns the value of attribute symbol.



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# File 'lib/squeel/nodes/stub.rb', line 11

def symbol
  @symbol
end

Instance Method Details

#<(value) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 81

def <(value)
  Predicate.new self.symbol, :lt, value
end

#<<(value) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 60

def <<(value)
  Predicate.new self.symbol, :not_in, value
end

#<=(value) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 85

def <=(value)
  Predicate.new self.symbol, :lteq, value
end

#==(value) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 43

def ==(value)
  Predicate.new self.symbol, :eq, value
end

#=~(value) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 64

def =~(value)
  Predicate.new self.symbol, :matches, value
end

#>(value) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 73

def >(value)
  Predicate.new self.symbol, :gt, value
end

#>=(value) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 77

def >=(value)
  Predicate.new self.symbol, :gteq, value
end

#>>(value) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 56

def >>(value)
  Predicate.new self.symbol, :in, value
end

#^(value) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 52

def ^(value)
  Predicate.new self.symbol, :not_eq, value
end

#asc ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 89

def asc
  Order.new self.symbol, 1
end

#desc ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 93

def desc
  Order.new self.symbol, -1
end

#eql?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/squeel/nodes/stub.rb', line 17

def eql?(other)
  self.class == other.class &&
  self.symbol == other.symbol
end

#func(*args) ⇒ Object Also known as: [] 



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# File 'lib/squeel/nodes/stub.rb', line 97

def func(*args)
  Function.new(self.symbol, args)
end

#hash ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 22

def hash
  symbol.hash
end

#inner ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 103

def inner
  Join.new(self.symbol, Arel::InnerJoin)
end

#of_class(klass) ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 111

def of_class(klass)
  Join.new(self.symbol, Arel::InnerJoin, klass)
end

#outer ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 107

def outer
  Join.new(self.symbol, Arel::OuterJoin)
end

#to_s ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 30

def to_s
  symbol.to_s
end

#to_sym ⇒ Object 



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# File 'lib/squeel/nodes/stub.rb', line 26

def to_sym
  symbol
end