Class: ActiveGraph::Core::QueryClauses::StartClause

Inherits:
Clause
  • Object
show all
Defined in:
lib/active_graph/core/query_clauses.rb

Constant Summary collapse

KEYWORD = 
'START'

Constants inherited from Clause

Clause::AND, Clause::COMMA_SPACE, Clause::PRETTY_NEW_LINE, Clause::UNDERSCORE

Instance Attribute Summary

Attributes inherited from Clause

#arg, #options, #param_vars_added, #params

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Clause

#_nested_value_hash?, #_use_key_for_var?, #add_param, #add_params, #attributes_from_key_and_value, clause_color, clause_string, from_arg, from_args, #from_hash, from_key_and_single_value, #from_string, #initialize, keyword, keyword_downcase, #label_from_key_and_value, #node_from_key_and_value, paramaterize_key!, to_cypher, #value, #var_from_key_and_value

Constructor Details

This class inherits a constructor from ActiveGraph::Core::QueryClauses::Clause

Class Method Details

.clause_join ⇒ Object 



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# File 'lib/active_graph/core/query_clauses.rb', line 253

def clause_join
  Clause::COMMA_SPACE
end

.clause_strings(clauses) ⇒ Object 



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# File 'lib/active_graph/core/query_clauses.rb', line 249

def clause_strings(clauses)
  clauses.map!(&:value)
end

Instance Method Details

#from_key_and_value(key, value) ⇒ Object 



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# File 'lib/active_graph/core/query_clauses.rb', line 239

def from_key_and_value(key, value)
  case value
  when String, Symbol
    "#{key} = #{value}"
  else
    fail ArgError, value
  end
end

#from_symbol(value) ⇒ Object 



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# File 'lib/active_graph/core/query_clauses.rb', line 235

def from_symbol(value)
  from_string(value.to_s)
end