@@ -40,148 +40,3 @@ module StrokeDB end - - - - - - - -########################################################## ----------------------------------------------------------- - - -module StrokeDB - - module Associations - - AssociationViewImplementation = Proc.new do |view| - def view.map(uuid, doc) - reference_slotname = self[:reference_slotname] - through = self[:through] - expected_meta = self[:expected_meta] - expected_nsurl = self[:expected_nsurl] - conditions = self[:conditions] - sort_by = self[:sort_by] - - if doc.meta.name == expected_meta && doc.meta.nsurl == expected_nsurl - if (reference_slotname_value = doc[reference_slotname]) && - (conditions.nil? || - (conditions && - (conditions.keys.select {|k| doc[k] == conditions[k]}.size == conditions.size))) - begin - key = [reference_slotname_value, doc] - key = [key[0],doc.send(sort_by),key[1]] if sort_by - through.each {|t| doc = doc.send(t) } - rescue SlotNotFoundError - return nil unless doc - else - [ - [ - key, - doc - ] - ] - end - end - end - end - end - - module HasManyAssociation - attr_reader :association_owner, :association_slotname - def new(slots={}) - association_meta.constantize.new(association_owner.store, slots.merge({association_reference_slotname => association_owner})) - end - alias :build :new - - def create!(slots={}) - new(slots).save! - end - - def <<(doc) - doc.update_slots! association_reference_slotname => association_owner - self - end - - private - - def association_reference_slotname - association_owner.meta["has_many_#{association_slotname}"][:reference_slotname] - end - - def association_meta - association_owner.meta["has_many_#{association_slotname}"][:expected_meta] - end - - end - - def has_many(slotname, opts={}, &block) - opts = opts.stringify_keys - - reference_slotname = opts['foreign_reference'] - through = opts['through'] || [] - through = [through] unless through.is_a?(Array) - meta = (through.shift || slotname).to_s.singularize.camelize - nsurl = opts['nsurl'] || (name.modulize.empty? ? Module.nsurl : meta.modulize.constantize.nsurl) - extend_with = opts['extend'] || block - conditions = opts['conditions'] - sort_by = opts['sort_by'] - reverse = opts['reverse'] || false - - @meta_initialization_procs << Proc.new do - case extend_with - when Proc - extend_with_proc = extend_with - extend_with = "HasMany#{slotname.to_s.camelize}" - const_set(extend_with, Module.new(&extend_with_proc)) - extend_with = "#{self.name}::HasMany#{slotname.to_s.camelize}" - when Module - extend_with = extend_with.name - when NilClass - else - raise "has_many extension should be either Module or Proc" - end - reference_slotname = reference_slotname || name.demodulize.tableize.singularize - - # TODO: remove the below commented out code, it seems that we do not need it anymore - # (but I am not sure, so that's why I've left it here) - # if name.index('::') # we're in namespaced meta - # _t = name.split('::') - # _t.pop - # _t << meta - # meta = _t.join('::') - # end - - view = View.define!("#{name.modulize.empty? ? Module.nsurl : name.modulize.constantize.nsurl}##{name.demodulize.tableize.singularize}_has_many_#{slotname}", - { :reference_slotname => reference_slotname, :through => through, :expected_meta => meta, :expected_nsurl => nsurl, :extend_with => extend_with, - :conditions => conditions, :sort_by => sort_by, :reverse => reverse }, &AssociationViewImplementation) - - @args.last.reverse_merge!({"has_many_#{slotname}" => view}) - define_method(slotname) do - _has_many_association(slotname) - end - end - end - - private - - def initialize_associations - define_method(:_has_many_association) do |slotname| - slot_has_many = meta["has_many_#{slotname}"] - result = LazyArray.new.load_with do |lazy_array| - slot_has_many.find(:key => self, :reverse => slot_has_many[:reverse]) - end - if extend_with = slot_has_many[:extend_with] - result.extend(extend_with.constantize) - end - result.instance_variable_set(:@association_owner, self) - result.instance_variable_set(:@association_slotname, slotname) - result.extend(HasManyAssociation) - result - end - end - end -end - - lib/strokedb/document/index_slots.rb aa68457b31df9ffda318b2f6d0512ba775f52559 Yurii Rashkovskii yrashk@idbns.com http://github.com/yrashk/strokedb/commit/c4427188a18e99d3af939c4c3d5eca687d3cf787 c4427188a18e99d3af939c4c3d5eca687d3cf787 2008-05-22T16:53:33-07:00 2008-05-22T16:53:33-07:00 Some garbage has been removed from index_slots.rb b8e3d36cc78a831155b289b08c59530312e6367a Yurii Rashkovskii yrashk@idbns.com