Class: Arel::Nodes::And

Inherits:
Node
  • Object
show all
Defined in:
lib/arel/nodes/and.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Node

#_caller, #and, #each, #not, #or, #to_sql

Methods included from FactoryMethods

#create_and, #create_false, #create_join, #create_on, #create_string_join, #create_table_alias, #create_true, #grouping, #lower

Constructor Details

#initialize(children, right = nil) ⇒ And

Returns a new instance of And.


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# File 'lib/arel/nodes/and.rb', line 6

def initialize children, right = nil
  super()
  unless Array === children
    warn "(#{caller.first}) AND nodes should be created with a list"
    children = [children, right]
  end
  @children = children
end

Instance Attribute Details

#childrenObject (readonly)

Returns the value of attribute children


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# File 'lib/arel/nodes/and.rb', line 4

def children
  @children
end

Instance Method Details

#eql?(other) ⇒ Boolean Also known as: ==

Returns:

  • (Boolean)

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# File 'lib/arel/nodes/and.rb', line 27

def eql? other
  self.class == other.class &&
    self.children == other.children
end

#hashObject


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# File 'lib/arel/nodes/and.rb', line 23

def hash
  children.hash
end

#leftObject


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# File 'lib/arel/nodes/and.rb', line 15

def left
  children.first
end

#rightObject


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# File 'lib/arel/nodes/and.rb', line 19

def right
  children[1]
end