Module: Neoon::Model::Schema

Defined in:
lib/neoon/model/schema.rb

Instance Method Summary collapse

Instance Method Details

#neo_index_create(key) ⇒ Object 



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# File 'lib/neoon/model/schema.rb', line 9

def neo_index_create key
  if neo_schema_index_keys.select { |k,v| v == 'UNIQUENESS' }.include? key
    _cypher_query.create_constraint(key)
  else
    _cypher_query.create_index(key)
  end
end

#neo_index_drop(key) ⇒ Object 



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# File 'lib/neoon/model/schema.rb', line 17

def neo_index_drop key
  if neo_index_list[key] == 'UNIQUENESS'
    _cypher_query.drop_constraint(key)
  else
    _cypher_query.drop_index(key)
  end
end

#neo_index_drop_all ⇒ Object 



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# File 'lib/neoon/model/schema.rb', line 25

def neo_index_drop_all
  neo_index_list.each { |k, _| neo_index_drop(k) }
end

#neo_index_list ⇒ Object 



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# File 'lib/neoon/model/schema.rb', line 5

def neo_index_list
  _cypher_query.list_indexes
end

#neo_index_update ⇒ Object 



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# File 'lib/neoon/model/schema.rb', line 29

def neo_index_update
  cl, ck = neo_index_list.to_a, neo_schema_index_keys.to_a
  return cl if cl == ck
  return neo_index_drop_all if ck.empty?

  (cl - ck).each{ |k| neo_index_drop(k.first) } unless (cl - ck).empty?
  (ck - cl).each{ |k| neo_index_create(k.first) } unless (ck - cl).empty?
end

#neo_schema_index_keys ⇒ Object 



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# File 'lib/neoon/model/schema.rb', line 43

def neo_schema_index_keys
  neo_model_config.properties.inject({}) do |all, (k, v)|
    all[k] = true if v[:index]
    all[k] = 'UNIQUENESS' if v[:index] == :unique
    all
  end
end

#neo_schema_update ⇒ Object 



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# File 'lib/neoon/model/schema.rb', line 38

def neo_schema_update
  neo_index_update
  neo_index_list
end