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Stored size: 1.86 KB
Contents
module PgSerializable
module Visitors
class Base
def visit(subject, **kwargs)
send(visit_method_for(subject), subject, **kwargs)
end
def visit_method_for(subject)
case subject
when record? then :visit_record
when class? then :visit_class
when relation? then :visit_relation
when trait_manager? then :visit_trait_manager
when trait? then :visit_trait
when node? then :visit_node
else :visit_other
end
end
# activerecord
def visit_record(subject, **kwargs)
raise NotImplementedError.new
end
def visit_class(subject, **kwargs)
raise NotImplementedError.new
end
def visit_scope(subject, **kwargs)
raise NotImplementedError.new
end
# pg_serializable
def visit_trait_manager(subject, **kwargs)
raise NotImplementedError.new
end
def visit_trait(subject, **kwargs)
raise NotImplementedError.new
end
def visit_node(subject, **kwargs)
raise NotImplementedError.new
end
# everything else
def visit_other(subject, **kwargs)
raise NotImplementedError.new
end
private
def record?
->(x) { x.is_a? ApplicationRecord }
end
def class?
->(x) { x.is_a? Class }
end
def relation?
->(x) { x.is_a? ActiveRecord::Relation }
end
def trait_manager?
->(x) { x.is_a? PgSerializable::TraitManager }
end
def trait?
->(x) { x.is_a? PgSerializable::Trait }
end
def node?
->(x) { x.is_a? PgSerializable::Nodes::Base }
end
def attribute?
->(x) { x.is_a? PgSerializable::Nodes::Attribute }
end
def association?
->(x) { x.is_a? PgSerializable::Nodes::Association }
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems