Class: TransactionProcessor

Inherits:
Object
  • Object
show all
Defined in:
lib/ObjectModel/Repository/TransactionProcessor.rb

Instance Method Summary collapse

Constructor Details

#initialize(repository, transaction) ⇒ TransactionProcessor

Returns a new instance of TransactionProcessor.



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# File 'lib/ObjectModel/Repository/TransactionProcessor.rb', line 4

def initialize repository, transaction
	@repository, @transaction = repository, transaction
end

Instance Method Details

#check_outdated ⇒ Object 



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# File 'lib/ObjectModel/Repository/TransactionProcessor.rb', line 8

def check_outdated
	outdated = []
	@transaction.copies.each do |entity_id, c| 
		next if c.new?
		e = @repository.by_id(entity_id)
		outdated << entity_id if c.om_version != e.om_version				
	end
	raise_without_self OutdatedError.new(outdated), "Outdated Entities: ['#{outdated.join('\', \'')}']", ObjectModel unless outdated.empty?
end

#persist ⇒ Object 



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# File 'lib/ObjectModel/Repository/TransactionProcessor.rb', line 26

def persist		
	@transaction.copies.each do |entity_id, copy| 
		entity = @transaction.resolve entity_id
		if copy.deleted?
			AnEntity::EntityType.delete entity, @repository.storage					
		else
			AnEntity::EntityType.persist copy, entity, @repository.storage
		end
	end					
end

#write_back ⇒ Object 



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# File 'lib/ObjectModel/Repository/TransactionProcessor.rb', line 18

def write_back
	@transaction.copies.each do |entity_id, copy| 
		next if copy.deleted?
		entity = @transaction.resolve entity_id
		AnEntity::EntityType.write_back copy, entity
	end
end