Class: Neo4j::Model

Inherits:
Object
  • Object
show all
Extended by:
ActiveModel::Callbacks
Includes:
ActiveModel::Conversion, ActiveModel::Validations, DelayedSave, NodeMixin
Defined in:
lib/neo4j/model.rb

Defined Under Namespace

Classes: RecordInvalidError

Class Method Summary collapse

Instance Method Summary collapse

Methods included from DelayedSave

#[], #[]=, #id, #init_with_node, #init_without_node, #reload, #save

Class Method Details

.all ⇒ Object 



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# File 'lib/neo4j/model.rb', line 71

def self.all
  super.nodes
end

.create(*args) ⇒ Object 



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# File 'lib/neo4j/model.rb', line 84

def self.create(*args)
  new(*args).tap {|model| model.save }
end

.create!(*args) ⇒ Object 



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# File 'lib/neo4j/model.rb', line 88

def self.create!(*args)
  new(*args).tap {|model| model.save! }
end

.find(*args) ⇒ Object

Handle Model.find(params)



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# File 'lib/neo4j/model.rb', line 76

def self.find(*args)
  if args.length == 1 && String === args[0] && args[0].to_i != 0
    load(*args)
  else
    super
  end
end

.inherited(subc) ⇒ Object

:nodoc:



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# File 'lib/neo4j/model.rb', line 92

def self.inherited(subc) # :nodoc:
  # Make subclasses of Neo4j::Model each have their own root class/indexer
  subc.instance_eval do
    def root_class
      self
    end
  end
end

.load(*ids) ⇒ Object 



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# File 'lib/neo4j/model.rb', line 62

def self.load(*ids)
  result = ids.map {|id| Neo4j.load_node(id) }
  if ids.length == 1
    result.first
  else
    result
  end
end

Instance Method Details

#attributes=(attrs) ⇒ Object 



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# File 'lib/neo4j/model.rb', line 30

def attributes=(attrs)
  attrs.each do |k,v|
    if respond_to?("#{k}=")
      send("#{k}=", v)
    else
      self[k] = v
    end
  end
end

#destroy ⇒ Object 



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# File 'lib/neo4j/model.rb', line 50

def destroy
  _run_destroy_callbacks do
    del
  end
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/neo4j/model.rb', line 22

def persisted?
  @persisted
end

#read_attribute_for_validation(key) ⇒ Object 



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# File 'lib/neo4j/model.rb', line 26

def read_attribute_for_validation(key)
  self[key]
end

#save! ⇒ Object 



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# File 'lib/neo4j/model.rb', line 56

def save!
  unless save
    raise RecordInvalidError.new(self)
  end
end

#update_attributes(attributes) ⇒ Object 



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# File 'lib/neo4j/model.rb', line 40

def update_attributes(attributes)
  self.attributes = attributes
  save
end

#update_attributes!(attributes) ⇒ Object 



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# File 'lib/neo4j/model.rb', line 45

def update_attributes!(attributes)
  self.attributes = attributes
  save!
end