/**
*
*/
public function commit()
{
// Inserts the new objects
foreach ($this->newObjects as $newObject) {
$mapper = $this->mapperRegistry->getMapperForDomainObject($newObject);
$mapper->insert($newObject);
}
// Update the dirty objects
foreach ($this->dirtyObjects as $updateObject) {
$mapper = $this->mapperRegistry->getMapperForDomainObject($updateObject);
$mapper->update($updateObject);
}
// Delete the removed
foreach ($this->deletedObjects as $deletedObject) {
$mapper = $this->mapperRegistry->getMapperForDomainObject($deletedObject);
$mapper->delete($deletedObject);
}
}
<?php
// Mocks, just placeholders
class DAO
{
}
// Require all files
require 'MapperRegistry.php';
require 'DomainObject.php';
require 'CustomerMapper.php';
require 'Customer.php';
require 'UnitOfWork.php';
// Initiate the mapper registry, with DAO so that injection into the mappers becomes easy.
$mapperRegistry = new MapperRegistry();
$mapperRegistry->setDao(new DAO());
// Initiating the unit of work object
$unitOfWork = new UnitOfWork($mapperRegistry);
// Fire up our mapper, this will take care of the fetching and storing logic
$mapper = $mapperRegistry->getMapperForClassName('Customer');
// Retrieve a customer, with ID 42.
$customer = $mapper->findById(42);
// -- At this point, the customer is marked "clean" in the Unit of Work object.
// Change the e-mail to something different
//
// Once PHP get's field getters and setters, this can be done by using public fields instead of getters and setters.
// @see https://wiki.php.net/rfc/propertygetsetsyntax
$customer->email = '*****@*****.**';
// We changed the customer, let's mark it as dirty.
// Because we are using "called registration", we have to manually do all the thinking for registering objects. This
// is explicit and is fine when the code allows for a natural flow. However if the code is more complex. This
// approach might be too error prone and the "object registration" approach is a much safer choice.