Class: EntityType
- Inherits:
-
Object
- Object
- EntityType
- Defined in:
- lib/ObjectModel/AnEntity/EntityType.rb
Class Method Summary collapse
- .create_copy(e) ⇒ Object
- .custom_initialization(e, outdated = nil) ⇒ Object
- .delete(e, storage) ⇒ Object
- .delete_all_children(e) ⇒ Object
- .delete_all_references_to(tr, e) ⇒ Object
- .delete_backreference(transaction, entity, reference) ⇒ Object
- .delete_from_parent(e, parent) ⇒ Object
- .dump_id(id) ⇒ Object
- .dump_id!(id) ⇒ Object
- .each_attribute(e, &b) ⇒ Object
- .each_child(e, &b) ⇒ Object
- .each_entity_in_repository(repository, &b) ⇒ Object
- .each_reference(e, &b) ⇒ Object
- .initialize_new_entity(e, eid, entity_id, tr) ⇒ Object
- .initialize_storage(db) ⇒ Object
- .load(entity_id, repository, storage) ⇒ Object
- .load_id(data) ⇒ Object
- .load_id!(data, klass) ⇒ Object
- .new_backreference(transaction, entity, reference) ⇒ Object
- .persist(c, e, storage) ⇒ Object
- .print_storage(db, name) ⇒ Object
- .storage_include?(entity_id, storage) ⇒ Boolean
- .validate_attribute(e, name, new, old) ⇒ Object
- .validate_entity(e) ⇒ Object
- .write_back(c, e) ⇒ Object
Class Method Details
.create_copy(e) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 42 def create_copy e e.entity_id.should_not! :be_nil c = EntityCopy.new c.om_version, c.entity_id, c.name = e.om_version, e.entity_id, e.name c.parent = e.instance_variable_get "@parent" c.updated! # Attributes e..attributes.each do |n, m| m.type.initialize_copy m, e, c end # Children e..children.each do |n, m| m.type.initialize_copy m, e, c end # References e..references.each do |n, m| m.type.initialize_copy m, e, c end BackReferences.initialize_copy e, c return c end |
.custom_initialization(e, outdated = nil) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 278 def custom_initialization e, outdated = nil e..attributes.each do |n, m| next if m.initialize == NotDefined or (outdated and !outdated.include?(n)) value = if m.initialize.is_a? Proc e.instance_eval &m.initialize else m.initialize end e.send m.name.to_writer, value end end |
.delete(e, storage) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 252 def delete e, storage entity_id = e.entity_id # Entity storage[:entities].filter(:entity_id => entity_id).delete storage[:entities_content].filter(:entity_id => entity_id).delete # Attributes e..attributes.each do |n, m| m.type.respond_to :delete, e, m, storage end # Children e..children.each do |n, m| m.type.respond_to :delete, e, m, storage end # References e..references.each do |n, m| m.type.respond_to :delete, e, m, storage end # BackReferences BackReferences.delete e, storage end |
.delete_all_children(e) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 328 def delete_all_children e e..children.each do |n, m| m.type.delete_all_children e, m end end |
.delete_all_references_to(tr, e) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 334 def delete_all_references_to tr, e c = tr.copies[e.entity_id] processed = Set.new BackReferences.delete_all_references_to e, c do |referrer_entity_id| next if processed.include? referrer_entity_id processed << referrer_entity_id referrer = tr.resolve referrer_entity_id referrer..references.each do |n, m| m.type.delete_all_references_to referrer, e, m end end end |
.delete_backreference(transaction, entity, reference) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 356 def delete_backreference transaction, entity, reference reference_copy = transaction.copy_get! reference BackReferences.delete_backreference entity, reference, reference_copy end |
.delete_from_parent(e, parent) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 348 def delete_from_parent e, parent e.should! :be_a, Entity parent.should! :be_a, Entity parent..children.each do |n, m| m.type.delete_from_parent e, parent, m end end |
.dump_id(id) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 390 def dump_id id if id == nil "nil" else id.should! :be_a, String id end end |
.dump_id!(id) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 404 def dump_id! id [dump_id(id), "ENTITY_ID"] end |
.each_attribute(e, &b) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 366 def each_attribute e, &b e..attributes.each{|n, m| b.call e.send(n)} end |
.each_child(e, &b) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 370 def each_child e, &b e..children.each{|n, m| m.type.each e, m, &b} end |
.each_entity_in_repository(repository, &b) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 378 def each_entity_in_repository repository, &b repository.storage[:entities].each do |row| e = repository.by_id row[:entity_id] b.call e end end |
.each_reference(e, &b) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 374 def each_reference e, &b e..references.each{|n, m| m.type.each e, m, &b} end |
.initialize_new_entity(e, eid, entity_id, tr) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 70 def initialize_new_entity e, eid, entity_id, tr new_entity_id = if entity_id entity_id.should! :be_a, String # path_index = tr.repository._index_manager.get_index_without_transaction_check(:path) # path_index.get_entity_id(entity_id).should! :be_nil raise_without_self "Not Unique :entity_id ('#{entity_id}')!", ObjectModel if storage_include? entity_id, tr.repository.storage tr.copies.should_not! :include, entity_id entity_id else tr.repository.storage.generate(:entity_id) end unless eid eid = "eid_" + tr.repository.storage.generate(:name) end e.instance_variable_set "@entity_id", new_entity_id e.instance_variable_set "@om_repository", tr.repository e.instance_variable_set "@om_version", 0 # Attributes e..attributes.each do |n, m| value = m.type.initial_value m, e e.instance_variable_set m.ivname, value end # Children e..children.each do |n, m| value = m.type.initial_value m, e e.instance_variable_set m.ivname, value end # References e..references.each do |n, m| value = m.type.initial_value m, e e.instance_variable_set m.ivname, value end BackReferences.initialize_entity e tr.event_processor.fire_before e, :new e.name = eid # after :new end |
.initialize_storage(db) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 5 def initialize_storage db db.create_table :entities do column :entity_id, :text column :name, :text column :class, :text column :om_version, :text column :parent_id, :text primary_key :entity_id # index :entity_id end db.create_table :entities_content do column :entity_id, :text column :name, :text column :value, :text column :class, :text primary_key :entity_id, :attr_name, :key # index :entity_id end end |
.load(entity_id, repository, storage) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 116 def load entity_id, repository, storage entity_id.should! :be_a, String row = storage[:entities][:entity_id => entity_id] unless row raise NotFoundError, "Entity with entity_id '#{entity_id}' not found!" # raise_without_self NotFoundError, "Entity with Path '#{path}' not found!", ObjectModel end # Entity klass_name = row[:class] begin klass = eval klass_name, TOPLEVEL_BINDING, __FILE__, __LINE__ e = klass.new nil, nil, "original_new" e.should! :be_a, Entity rescue NameError => err log.error "Can't find '#{klass}' Class for '#{entity_id}' Entity!" raise LoadError.new(err) end e.instance_variable_set "@entity_id", entity_id e.instance_variable_set "@name", row[:name].should_not!(:be_nil).should_not!(:be_empty) e.instance_variable_set "@om_version", row[:om_version].should_not!(:be_nil).to_i e.instance_variable_set "@parent", load_id(row[:parent_id].should_not!(:be_nil)) e.instance_variable_set "@om_repository", repository outdated = [] # Attributes e..attributes.each do |n, m| value = begin m.type.load m, e, storage rescue LoadError outdated << n log.warn "Can't load '#{entity_id}.#{n}' Attribute, default value will be used!" value = m.type.initial_value m, e e.instance_variable_set m.ivname, value end end # Children e..children.each do |n, m| value = begin m.type.load m, e, storage rescue LoadError log.warn "Can't load '#{entity_id}.#{n}' Child, default value will be used!" value = m.type.initial_value m, e e.instance_variable_set m.ivname, value end end # References e..references.each do |n, m| value = begin m.type.load m, e, storage rescue LoadError log.warn "Can't load '#{entity_id}.#{n}' Reference, default value will be used!" value = m.type.initial_value m, e e.instance_variable_set m.ivname, value end end # BackReferences BackReferences.load e, storage # Data Migration custom_initialization e, outdated if outdated.size > 0 return e end |
.load_id(data) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 385 def load_id data raise LoadError if data == nil data == "nil" ? nil : data end |
.load_id!(data, klass) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 399 def load_id! data, klass raise LoadError unless klass == "ENTITY_ID" load_id data end |
.new_backreference(transaction, entity, reference) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 361 def new_backreference transaction, entity, reference reference_copy = transaction.copy_get! reference BackReferences.new_backreference entity, reference, reference_copy end |
.persist(c, e, storage) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 218 def persist c, e, storage entity_id = e.entity_id # Entity entities = storage[:entities] entities.filter(:entity_id => entity_id).delete entities.insert( :entity_id => entity_id.should!(:be_a, String).should_not!(:be_empty), :name => e.name.should!(:be_a, String).should_not!(:be_empty), :class => e.class.name, :om_version => c.om_version, :parent_id => AnEntity::EntityType.dump_id(c.parent) ) storage[:entities_content].filter(:entity_id => entity_id).delete # Attributes e..attributes.each do |n, m| m.type.persist c, entity_id, m, storage end # Children e..children.each do |n, m| m.type.persist c, entity_id, m, storage end # References e..references.each do |n, m| m.type.persist c, entity_id, m, storage end # BackReferences BackReferences.persist c, entity_id, storage end |
.print_storage(db, name) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 31 def print_storage db, name if name == nil or name == :entities puts "\nEntities:" db[:entities].print end if name == nil or name == :entities_content puts "EntitiesContent:" db[:entities_content].print end end |
.storage_include?(entity_id, storage) ⇒ Boolean
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 186 def storage_include? entity_id, storage storage[:entities][:entity_id => entity_id] != nil end |
.validate_attribute(e, name, new, old) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 290 def validate_attribute e, name, new, old m = e.class..attributes[name] unless m.type.validate_type new raise_without_self Errors::ValidationError, "Invalid Value Type '#{new}' for Attribute '#{e.class.name}.#{name}'!", ObjectModel end v = m.validate if v != nil v.should! :be_a, Proc begin v.call new rescue RuntimeError => err raise Errors::ValidationError, err., err.backtrace end # unless v.call new # raise_without_self Errors::ValidationError, # "Invalid Value '#{new}' for Attribute '#{e.class.name}.#{name}'!", # ObjectModel # end end end |
.validate_entity(e) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 315 def validate_entity e begin e.class..validation.validate e rescue RuntimeError => err raise Errors::ValidationError, err., err.backtrace end # unless e.class.meta.validation.validate e # raise_without_self Errors::ValidationError, # "Invalid Entity #{e}!", # ObjectModel # end end |
.write_back(c, e) ⇒ Object
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# File 'lib/ObjectModel/AnEntity/EntityType.rb', line 190 def write_back c, e c.should! :be_a, EntityCopy # Entity c.om_version += 1 e.instance_variable_set "@om_version", c.om_version e.instance_variable_set "@parent", c.parent e.instance_variable_set "@name", c.name # Attributes e..attributes.each do |n, m| m.type.write_back c, e, m end # Children e..children.each do |n, m| m.type.write_back c, e, m end # References e..references.each do |n, m| m.type.write_back c, e, m end # BackReferences BackReferences.write_back c, e end |