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Dominik Liebler 2014-06-06 09:22:01 +02:00
parent c98bc8326f
commit c00be42790
19 changed files with 0 additions and 332 deletions
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11
Bridge/Assemble.php
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<?php
namespace DesignPatterns\Bridge;
class Assemble implements Workshop {
public function work() {
print 'Assembled';
}
}

20
Bridge/Car.php
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<?php
namespace DesignPatterns\Bridge;
/**
* Refined Abstraction
*/
class Car extends Vehicle {
public function __construct(Workshop $workShop1, Workshop $workShop2) {
parent::__construct($workShop1, $workShop2);
}
public function manufacture() {
print 'Car ';
$this->workShop1->work();
$this->workShop2->work();
}
}

20
Bridge/Motorcycle.php
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<?php
namespace DesignPatterns\Bridge;
/**
* Refined Abstraction
*/
class Motorcycle extends Vehicle {
public function __construct(Workshop $workShop1, Workshop $workShop2) {
parent::__construct($workShop1, $workShop2);
}
public function manufacture() {
print 'Motorcycle ';
$this->workShop1->work();
$this->workShop2->work();
}
}

14
Bridge/Produce.php
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<?php
namespace DesignPatterns\Bridge;
/**
* Concrete Implementation
*/
class Produce implements Workshop {
public function work() {
print 'Produced ';
}
}

6
Bridge/README.md
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## Purpose
Decouple an abstraction from its implementation so that the two can vary independently (http://en.wikipedia.org/wiki/Bridge_pattern)

22
Bridge/Vehicle.php
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<?php
namespace DesignPatterns\Bridge;
/**
* Abstraction
*/
abstract class Vehicle {
protected $workShop1;
protected $workShop2;
protected function __construct(Workshop $workShop1, Workshop $workShop2) {
$this->workShop1 = $workShop1;
$this->workShop2 = $workShop2;
}
public function manufacture() {
}
}

11
Bridge/Workshop.php
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<?php
namespace DesignPatterns\Bridge;
/**
* Implementer
*/
interface Workshop {
public function work();
}

22
Command/Client.php
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<?php
namespace DesignPatterns\Command;
/**
* Client is responsible for creating a ConcreteCommand and setting its a Receiver
*/
class Client
{
/**
* Creates a ConcreteCommand object, sets its receiver and test invoker
*/
public function run()
{
$receiver = new Receiver();
$helloCommand = new HelloCommand($receiver);
$invoker = new Invoker();
$invoker->setCommand($helloCommand);
$invoker->run();
}
}

33
Memento/Caretaker.php
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<?php
namespace DesignPatterns\Memento;
class Caretaker
{
public static function run()
{
/* @var $savedStates Memento[] */
$savedStates = array();
$originator = new Originator();
//Setting state to State1
$originator->setState("State1");
//Setting state to State2
$originator->setState("State2");
//Saving State2 to Memento
$savedStates[] = $originator->saveToMemento();
//Setting state to State3
$originator->setState("State3");
// We can request multiple mementos, and choose which one to roll back to.
// Saving State3 to Memento
$savedStates[] = $originator->saveToMemento();
//Setting state to State4
$originator->setState("State4");
$originator->restoreFromMemento($savedStates[1]);
//State after restoring from Memento: State3
}
}

25
Memento/Memento.php
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<?php
namespace DesignPatterns\Memento;
class Memento
{
/* @var mixed */
private $state;
/**
* @param mixed $stateToSave
*/
public function __construct($stateToSave)
{
$this->state = $stateToSave;
}
/**
* @return mixed
*/
public function getState()
{
return $this->state;
}
}

35
Memento/Originator.php
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<?php
namespace DesignPatterns\Memento;
class Originator
{
/* @var mixed */
private $state;
// The class could also contain additional data that is not part of the
// state saved in the memento..
/**
* @param mixed $state
*/
public function setState($state)
{
$this->state = $state;
}
/**
* @return Memento
*/
public function saveToMemento()
{
$state = is_object($this->state) ? clone $this->state : $this->state;
return new Memento($state);
}
public function restoreFromMemento(Memento $memento)
{
$this->state = $memento->getState();
}
}

18
Memento/README.md
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# Memento
## Purpose
Provide the ability to restore an object to its previous state (undo via rollback).
The memento pattern is implemented with three objects: the originator, a caretaker and a memento.
The originator is some object that has an internal state.
The caretaker is going to do something to the originator, but wants to be able to undo the change.
The caretaker first asks the originator for a memento object. Then it does whatever operation (or sequence of operations) it was going to do.
To roll back to the state before the operations, it returns the memento object to the originator.
The memento object itself is an opaque object (one which the caretaker cannot, or should not, change).
When using this pattern, care should be taken if the originator may change other objects or resources - the memento pattern operates on a single object.
## Examples
* The seed of a pseudorandom number generator
* The state in a finite state machine

0
Repository/MemoryStorage.php → More/Repository/MemoryStorage.php
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0
Repository/Post.php → More/Repository/Post.php
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0
Repository/PostRepository.php → More/Repository/PostRepository.php
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0
Repository/README.md → More/Repository/README.md
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0
Repository/Storage.php → More/Repository/Storage.php
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26
Tests/Bridge/BridgeTest.php
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<?php
namespace DesignPatterns\Tests\Bridge;
use DesignPatterns\Bridge\Assemble;
use DesignPatterns\Bridge\Car;
use DesignPatterns\Bridge\Motorcycle;
use DesignPatterns\Bridge\Produce;
use DesignPatterns\Bridge\Vehicle;
use DesignPatterns\Bridge\Workshop;
class BridgeTest extends \PHPUnit_Framework_TestCase {
public function testCar() {
$vehicle = new Car(new Produce(), new Assemble());
$this->expectOutputString('Car Produced Assembled');
$vehicle->manufacture();
}
public function testMotorcycle() {
$vehicle = new Motorcycle(new Produce(), new Assemble());
$this->expectOutputString('Motorcycle Produced Assembled');
$vehicle->manufacture();
}
}

69
Tests/Memento/MementoTest.php
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<?php
namespace DesignPatterns\Tests\Memento;
use DesignPatterns\Memento;
/**
* MementoTest tests the memento pattern
*/
class MementoTest extends \PHPUnit_Framework_TestCase
{
public function testStringState()
{
$originator = new Memento\Originator();
$originator->setState("State1");
$this->assertAttributeEquals("State1", "state", $originator);
$originator->setState("State2");
$this->assertAttributeEquals("State2", "state", $originator);
$savedState = $originator->saveToMemento();
$this->assertAttributeEquals("State2", "state", $savedState);
$originator->setState("State3");
$this->assertAttributeEquals("State3", "state", $originator);
$originator->restoreFromMemento($savedState);
$this->assertAttributeEquals("State2", "state", $originator);
}
public function testObjectState()
{
$originator = new Memento\Originator();
$foo = new \stdClass();
$foo->data = "foo";
$originator->setState($foo);
$this->assertAttributeEquals($foo, "state", $originator);
$savedState = $originator->saveToMemento();
$this->assertAttributeEquals($foo, "state", $savedState);
$bar = new \stdClass();
$bar->data = "bar";
$originator->setState($bar);
$this->assertAttributeEquals($bar, "state", $originator);
$originator->restoreFromMemento($savedState);
$this->assertAttributeEquals($foo, "state", $originator);
$foo->data = null;
$this->assertAttributeNotEquals($foo, "state", $savedState);
$this->assertAttributeNotEquals($foo, "state", $originator);
}
}