public function testMemento()
{
$originator = new Originator();
$originator->setState("On");
$this->assertEquals("On", $originator->getState());
$memento = $originator->createMemento();
$this->assertInstanceOf('Behavioral\\Memento\\Memento', $memento);
$caretaker = new Caretaker();
$caretaker->setMemento($memento);
$originator->setState('Off');
$this->assertEquals("Off", $originator->getState());
$memento = $caretaker->getMemento();
$this->assertInstanceOf('Behavioral\\Memento\\Memento', $memento);
$originator->restore($memento);
$this->assertEquals("On", $originator->getState());
}
/*
$jack = new Role(100, 30, 60, 40, 35); // 建立遊戲角色
$jack->showState();
$backup = new Role(0, 0, 0, 0, 0);
$backup->setState($jack->getHp(), $jack->getMp(), // 備份目前狀態，
$jack->getDex(), $jack->getAtk(), // 但是這邊暴露了實作細節
$jack->getDef());
$jack->fight(); // 開打，死掉了
$jack->showState();
$jack->setState($backup->getHp(), $backup->getMp(), // 回復之前狀態
$backup->getDex(), $backup->getAtk(),
$backup->getDef());
$jack->showState();
*/
// 使用Memento範例
$jack = new Role(100, 30, 60, 40, 35);
// 建立遊戲角色
$jack->showState();
$caretaker = new Caretaker();
$caretaker->setMemento($jack->saveState());
// 備份目前狀態
$jack->fight();
// 開打，死掉了
$jack->showState();
$jack->recoveryState($caretaker->getMemento());
// 回復之前狀態
$jack->showState();
private $memento;
public function get_memento()
{
return $this->memento;
}
public function set_memento($memento)
{
$this->memento = $memento;
}
}
//客户端，即测试
$o = new Originator();
$state = 'On';
$o->set_state($state);
$o->show();
$c = new Caretaker();
$memento = $o->create_memento();
//$o2 = new Originator();
$state2 = '2';
$o->set_state($state2);
$o->show();
$memento2 = $o->create_memento();
$c->set_memento($memento);
$c->set_memento($memento2);
$state = 'Off';
$o->set_state($state);
$o->show();
//var_dump($memento2);
//$memento = $c->get_memento();
$o->set_memento($memento);
$o->show();
private $_memento;
public function getMemento()
{
return $this->_memento;
}
public function setMemento(Memento $memento)
{
$this->_memento = $memento;
}
}
// client
/* 创建目标对象 */
$org = new Originator();
$org->setState('open');
$org->showState();
/* 创建备忘 */
$memento = $org->createMemento();
/* 通过Caretaker保存此备忘 */
$caretaker = new Caretaker();
$caretaker->setMemento($memento);
/* 改变目标对象的状态 */
$org->setState('close');
$org->showState();
$org->restoreMemento($memento);
$org->showState();
/* 改变目标对象的状态 */
$org->setState('close');
$org->showState();
/* 还原操作 */
$org->restoreMemento($caretaker->getMemento());
$org->showState();
public static function main()
{
//创建目标对象
$orig = new Originator();
$orig->setState('open');
$orig->showState();
//创建备忘
$memento = $orig->createMemento();
//通过Caretaker保存此备忘
$caretaker = new Caretaker();
$caretaker->setMemento($memento);
//改变目标对象的状态
$orig->setState('close');
$orig->showState();
//还原操作
$orig->restoreMemento($caretaker->getMemento());
$orig->showState();
}
public function __construct()
{
$this->first = 'first';
$this->second = 'second';
$this->ct = new Caretaker();
$this->orig = new Originator();
$this->orig->setState($this->first);
$this->ct->addMemento($this->orig->createMemento());
$this->orig->setState($this->second);
$this->ct->addMemento($this->orig->createMemento());
$this->orig->setMemento($this->ct->getMemento(1));
echo $this->orig->state;
}
private $_state = null;
public function getState()
{
return $this->_state;
}
public function setState($state)
{
$this->_state = $state;
}
public function createMemento()
{
return new Memento($this->_state);
}
public function setMemento($memento)
{
$this->_state = $memento->getState();
}
public function display()
{
echo "state = " . $this->_state . "\n";
}
}
$objOriginator = new Originator();
$objOriginator->setState(0);
$objOriginator->display();
$objCareTaker = new Caretaker();
$objCareTaker->setMemento($objOriginator->createMemento());
$objOriginator->setState(1);
$objOriginator->display();
$objOriginator->setMemento($objCareTaker->getMemento());
$objOriginator->display();
