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Contents
module ActiveGraph
module Node
class OrmAdapter < ::OrmAdapter::Base
module ClassMethods
include ActiveModel::Callbacks
end
def column_names
klass._decl_props.keys
end
def i18n_scope
:neo4j
end
# Get an instance by id of the model
def get!(id)
klass.find(wrap_key(id)).tap do |node|
fail 'No record found' if node.nil?
end
end
# Get an instance by id of the model
def get(id)
klass.find_by(klass.id_property_name => wrap_key(id))
end
# Find the first instance matching conditions
def find_first(options = {})
conditions, order = extract_conditions!(options)
extract_id!(conditions)
order = hasherize_order(order)
result = klass.where(conditions)
result = result.order(order) unless order.empty?
result.first
end
# Find all models matching conditions
def find_all(options = {})
conditions, order, limit, offset = extract_conditions!(options)
extract_id!(conditions)
order = hasherize_order(order)
result = klass.where(conditions)
result = result.order(order) unless order.empty?
result = result.skip(offset) if offset
result = result.limit(limit) if limit
result.to_a
end
# Create a model using attributes
def create!(attributes = {})
klass.create!(attributes)
end
# @see OrmAdapter::Base#destroy
def destroy(object)
object.destroy && true if valid_object?(object)
end
private
def hasherize_order(order)
(order || []).map { |clause| Hash[*clause] }
end
def extract_id!(conditions)
id = conditions.delete(:id)
return if not id
conditions[klass.id_property_name.to_sym] = id
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems