Class: AgnosticBackend::Queryable::TreeNode

Inherits:
Object
  • Object
show all
Includes:
Utilities
Defined in:
lib/agnostic_backend/queryable/tree_node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utilities

included

Constructor Details

#initialize(children = [], context = nil) ⇒ TreeNode

Returns a new instance of TreeNode.



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# File 'lib/agnostic_backend/queryable/tree_node.rb', line 10

def initialize(children = [], context = nil)
  @children, @context = children, context
end

Instance Attribute Details

#children ⇒ Object (readonly)

include Enumerable



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# File 'lib/agnostic_backend/queryable/tree_node.rb', line 7

def children
  @children
end

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/agnostic_backend/queryable/tree_node.rb', line 8

def context
  @context
end

Instance Method Details

#==(other) ⇒ Object

def each(&block)

block.call(self)
children.each{|child| child.each(&block)  }

end



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# File 'lib/agnostic_backend/queryable/tree_node.rb', line 19

def ==(other)
  return true if self.__id__ == other.__id__
  return false if other.nil?
  return false unless other.is_a? AgnosticBackend::Queryable::TreeNode

  return false unless other.children.size == children.size
  children_pairs = other.children.zip(children)

  other.class == self.class &&
    children_pairs.all? do |first_child, second_child|
      first_child == second_child
    end
end

#accept(visitor) ⇒ Object 



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# File 'lib/agnostic_backend/queryable/tree_node.rb', line 33

def accept(visitor)
  visitor.visit(self)
end