Class: Neo4j::Cypher::With

Inherits:
Object
  • Object
show all
Includes:
Clause
Defined in:
lib/neo4j-cypher/with.rb

Defined Under Namespace

Classes: EvalContext

Constant Summary

Constants included from Clause

Clause::NAME, Clause::ORDER

Instance Attribute Summary collapse

Attributes included from Clause

#clause_list, #clause_type, #eval_context, #expr, #insert_order

Instance Method Summary collapse

Methods included from Clause

#<=>, #alias_name, #as_alias, #as_alias?, #clause_position, #create_clause_args_for, #match_value, #match_value=, #prefix, #referenced!, #referenced?, #return_value, #separator, #to_prop_string, #valid_clause?, #var_name, #var_name=

Constructor Details

#initialize(clause_list, where_or_match, *args, &cypher_dsl) ⇒ With

Returns a new instance of With.



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# File 'lib/neo4j-cypher/with.rb', line 8

def initialize(clause_list, where_or_match, *args, &cypher_dsl)
  super(clause_list, :with, EvalContext)

  clause_list.push

  @args = create_clause_args_for(args)
  @arg_list = @args.map { |a| a.return_value }.join(',')
  arg_exec = @args.map(&:eval_context)

  RootClause::EvalContext.new(self).instance_exec(*arg_exec, &cypher_dsl)
  @body = "#{where_or_match.to_s.upcase} #{clause_list.to_cypher}"
  clause_list.pop
end

Instance Attribute Details

#arg_list ⇒ Object (readonly)

Returns the value of attribute arg_list.



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# File 'lib/neo4j-cypher/with.rb', line 6

def arg_list
  @arg_list
end

Instance Method Details

#to_cypher ⇒ Object 



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# File 'lib/neo4j-cypher/with.rb', line 22

def to_cypher
  @body ? "#{@arg_list} #{@body}" : @arg_list
end