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Contents
module Neo4j
module ActiveNode
module Dependent
module AssociationMethods
def validate_dependent(value)
fail ArgumentError, "Invalid dependent value: #{value.inspect}" if not valid_dependent_value?(value)
end
def add_destroy_callbacks(model)
return if dependent.nil?
model.before_destroy(&method("dependent_#{dependent}_callback"))
rescue NameError
raise "Unknown dependent option #{dependent}"
end
private
def valid_dependent_value?(value)
return true if value.nil?
self.respond_to?("dependent_#{value}_callback", true)
end
# Callback methods
def dependent_delete_callback(object)
object.association_query_proxy(name).delete_all
end
def dependent_delete_orphans_callback(object)
object.as(:self).unique_nodes(self, :self, :n, :other_rel).query.delete(:n, :other_rel).exec
end
def dependent_destroy_callback(object)
unique_query = object.association_query_proxy(name)
unique_query.each_for_destruction(object, &:destroy) if unique_query
end
def dependent_destroy_orphans_callback(object)
unique_query = object.as(:self).unique_nodes(self, :self, :n, :other_rel)
unique_query.each_for_destruction(object, &:destroy) if unique_query
end
# End callback methods
end
end
end
end
Version data entries
154 entries across 154 versions & 2 rubygems