Class: Neo4j::Rails::Model::OrmAdapter

Inherits:

OrmAdapter::Base

• Object
• OrmAdapter::Base
• Neo4j::Rails::Model::OrmAdapter

show all

Defined in:

lib/orm_adapter/adapters/neo4j.rb

Class Method Summary (collapse)

• + (Object) except_classes

  Do not consider these to be part of the class list.

• + (Object) model_classes

  Gets a list of the available models for this adapter.

Instance Method Summary (collapse)

• - (Object) column_names

  get a list of column names for a given class.

• - (Object) create!(attributes = {})

  Create a model using attributes.

• - (Object) destroy(object)
• - (Object) find_all(options = {})

  Find all models matching conditions.

• - (Object) find_first(options = {})

  Find the first instance matching conditions.

• - (Object) get(id)

  Get an instance by id of the model.

• - (Object) get!(id)

  Get an instance by id of the model.

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# File 'lib/orm_adapter/adapters/neo4j.rb', line 10

def self.except_classes
  @@except_classes ||= []
end

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# File 'lib/orm_adapter/adapters/neo4j.rb', line 15

def self.model_classes
  ::Neo4j::Rails::Model.descendants.to_a.select { |k| !except_classes.include?(k.name) }
end

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# File 'lib/orm_adapter/adapters/neo4j.rb', line 20

def column_names
  klass._decl_props.keys
end

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# File 'lib/orm_adapter/adapters/neo4j.rb', line 65

def create!(attributes = {})
  klass.create!(attributes)
end

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# File 'lib/orm_adapter/adapters/neo4j.rb', line 70

def destroy(object)
  object.destroy && true if valid_object?(object)
end

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# File 'lib/orm_adapter/adapters/neo4j.rb', line 46

def find_all(options = {})
  conditions, order, limit, offset = extract_conditions!(options)
  result = if !order.empty?
    find_with_order(conditions, order)
  else
    klass.all(conditions)
  end

  if limit && offset
    result.drop(offset).first(limit)
  elsif limit
    result.first(limit)
  else
    result.to_a
  end

end

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# File 'lib/orm_adapter/adapters/neo4j.rb', line 35

def find_first(options = {})
  conditions, order = extract_conditions!(options)
  if !order.empty?
    find_with_order(conditions, order).first
  else
    klass.first(conditions)
  end
end

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# File 'lib/orm_adapter/adapters/neo4j.rb', line 30

def get(id)
  klass.find(wrap_key(id))
end

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# File 'lib/orm_adapter/adapters/neo4j.rb', line 25

def get!(id)
  klass.find!(wrap_key(id))
end