cs StaticFactory

This commit is contained in:
Dominik Liebler
2013-09-12 11:43:30 +02:00
parent 3808eab0a0
commit daac491ef0
6 changed files with 164 additions and 141 deletions

143
State/State.php Normal file
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@@ -0,0 +1,143 @@
<?php
namespace DesignPatterns\Status;
/**
* The order has two status: created, shipping, completed.
* When the order's status is created, what can do is just 'shipping' handle;
* When the order's status is shipping, what can do is just 'completed' handle;
*
*/
interface OrderInterface
{
/**
* @return mixed
*/
public function shipOrder();
/**
* @return mixed
*/
public function completeOrder();
}
/**
* Class CreateOrder
*/
class CreateOrder implements OrderInterface
{
/**
* @var array
*/
private $order;
/**
* @param array $order
*/
public function __construct(array $order)
{
if (empty($order)) {
throw new \Exception('Order can not be empty!');
}
$this->order = $order;
}
public function shipOrder()
{
$this->order['status'] = 'shipping';
$this->order['updatedTime'] = time();
// Setting the new order status into database;
return $this->updateOrder($order);
}
public function completeOrder()
{
//Can not complete the order which status is created, throw exception;
throw new \Exception('Can not complete the order which status is created!');
}
}
class ShippingOrder implements OrderInterface
{
private $order;
public function __construct(array $order)
{
if (empty($order)) {
throw new \Exception('Order can not be empty!');
}
$this->order = $order;
}
public function shipOrder()
{
//Can not ship the order which status is shipping, throw exception;
throw new \Exception('Can not ship the order which status is shipping!');
}
public function completeOrder()
{
$this->order['status'] = 'completed';
$this->order['updatedTime'] = time();
// Setting the new order status into database;
return $this->updateOrder($order);
}
}
class OrderFactory
{
private function __construct()
{
throw Exception('Can not instance the OrderFactory class!');
}
public static function getOrder($id)
{
$order = 'Get Order From Database';
switch ($order['status']) {
case 'created':
return new CreateOrder($order);
case 'shipping':
return new ShippingOrder($order);
default:
throw new \Exception('Order status error!');
break;
}
}
}
// Client
class OrderController
{
/**
* @param int $id
*/
public function shipAction($id)
{
$order = OrderFactory::getOrder($id);
try {
$order->shipOrder($id);
} catch (Exception $e) {
//handle error!
}
// response to browser
}
public function completeAction($id)
{
$order = OrderFactory::getOrder($id);
try {
$order->completeOrder($id);
} catch (Exception $e) {
//handle error!
}
// response to browser
}
}

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@@ -2,7 +2,10 @@
namespace DesignPatterns\StaticFactory;
class FormatNumber implements Formatter
/**
* Class FormatNumber
*/
class FormatNumber implements FormatterInterface
{
}

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@@ -2,7 +2,10 @@
namespace DesignPatterns\StaticFactory;
class FormatString implements Formatter
/**
* Class FormatString
*/
class FormatString implements FormatterInterface
{
}

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@@ -2,7 +2,10 @@
namespace DesignPatterns\StaticFactory;
interface Formatter
/**
* Class FormatterInterface
*/
interface FormatterInterface
{
}

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@@ -14,16 +14,19 @@ namespace DesignPatterns\StaticFactory;
* - Zend Framework: Zend_Cache_Backend or _Frontend use a factory method create cache backends or frontends
*
* Note1: Remember, static => global => evil
* Note2: Cannot be subclassed or mock-uped or have multiple different instances
* Note2: Cannot be subclassed or mock-upped or have multiple different instances
*/
class StaticFactory
{
/**
* the parametrized function to get create an instance
*
* @param string $type
*
* @static
* @return Formatter
*
* @throws \InvalidArgumentException
* @return FormatterInterface
*/
public static function factory($type)
{
@@ -35,5 +38,4 @@ class StaticFactory
return new $className();
}
}

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@@ -1,131 +0,0 @@
<?php
namespace DesignPatterns;
/**
* The order has two status: created, shipping, completed.
* When the order's status is created, what can do is just 'shipping' handle;
* When the order's status is shipping, what can do is just 'completed' handle;
*
*/
interface OrderInterface
{
/**
* @return mixed
*/
public function shipOrder();
public function completeOrder();
}
class CreateOrder implements OrderInterface
{
private $order;
public function __construct(array $order)
{
if (empty($order)) {
throw new \Exception('Order can not be empty!');
}
$this->order = $order;
}
public function shipOrder()
{
$this->order['status'] = 'shipping';
$this->order['updatedTime'] = time();
// Setting the new order status into database;
return $this->updateOrder($order);
}
public function completeOrder()
{
//Can not complete the order which status is created, throw exception;
throw new \Exception('Can not complete the order which status is created!');
}
}
class ShippingOrder implements OrderInterface
{
private $order;
public function __construct(array $order)
{
if (empty($order)) {
throw new \Exception('Order can not be empty!');
}
$this->order = $order;
}
public function shipOrder()
{
//Can not ship the order which status is shipping, throw exception;
throw new \Exception('Can not ship the order which status is shipping!');
}
public function completeOrder()
{
$this->order['status'] = 'completed';
$this->order['updatedTime'] = time();
// Setting the new order status into database;
return $this->updateOrder($order);
}
}
class OrderFactory {
public static function getOrder($id)
{
$order = 'Get Order From Database';
switch ($order['status']) {
case 'created':
return new CreateOrder($order);
case 'shipping':
return new ShippingOrder($order);
default:
throw new \Exception('Order status error!');
break;
}
}
private function __construct()
{
throw Exception('Can not instance the OrderFactory class!');
}
}
// Client
class OrderController
{
/**
* @param int $id
*/
public function shipAction($id)
{
$order = OrderFactory::getOrder($id);
try {
$order->shipOrder($id);
} catch (Exception $e) {
//handle error!
}
// response to browser
}
public function completeAction($id)
{
$order = OrderFactory::getOrder($id);
try {
$order->completeOrder($id);
} catch (Exception $e) {
//handle error!
}
// response to browser
}
}