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Versions: 25
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Contents
module Neo4j
module Migrations
# Overrides the init_on_load method so that it will check if any migration is needed.
# The init_on_create method is also overridden so that it sets the version to the latest migration number
# when a new node is created.
#
# Migration will take place if needed when the node is loaded.
#
module LazyNodeMixin
extend ActiveSupport::Concern
included do
extend Neo4j::Migrations::ClassMethods
end
module ClassMethods
# Remote all migration and set migrate_to = nil
# Does not change the version of nodes.
def reset_migrations!
@migrations = nil
@migrate_to = nil
end
end
def migrate!
self.class._migrate!(self._java_node, self)
end
def init_on_create(*)
super
# set the db version to the current
self[:_db_version] = self.class.migrate_to
end
def init_on_load(*) # :nodoc:
super
migrate!
# this if for Neo4j::Rails::Model which keeps the properties in this variable
@properties.clear if instance_variable_defined? :@properties
end
def db_version
self[:_db_version]
end
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems