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author
Dominik Liebler
committed
PHP7 Facade
1 parent e6c67c5 commit b556436

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7 files changed

+698
-413
lines changed

7 files changed

+698
-413
lines changed

‎Structural/Facade/BiosInterface.php

-17
Original file line numberDiff line numberDiff line change
@@ -2,30 +2,13 @@
22

33
namespace DesignPatterns\Structural\Facade;
44

5-
/**
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* Interface BiosInterface.
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*/
85
interface BiosInterface
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{
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/**
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* Execute the BIOS.
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*/
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public function execute();
148

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/**
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* Wait for halt.
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*/
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public function waitForKeyPress();
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/**
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* Launches the OS.
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*
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* @param OsInterface $os
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*/
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public function launch(OsInterface $os);
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/**
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* Power down BIOS.
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*/
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public function powerDown();
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}

‎Structural/Facade/Facade.php

+2-11
Original file line numberDiff line numberDiff line change
@@ -7,17 +7,14 @@ class Facade
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/**
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* @var OsInterface
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*/
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protected $os;
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private $os;
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1212
/**
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* @var BiosInterface
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*/
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protected $bios;
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private $bios;
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/**
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* This is the perfect time to use a dependency injection container
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* to create an instance of this class.
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*
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* @param BiosInterface $bios
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* @param OsInterface $os
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*/
@@ -27,19 +24,13 @@ public function __construct(BiosInterface $bios, OsInterface $os)
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$this->os = $os;
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}
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/**
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* Turn on the system.
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*/
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public function turnOn()
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{
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$this->bios->execute();
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$this->bios->waitForKeyPress();
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$this->bios->launch($this->os);
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}
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/**
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* Turn off the system.
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*/
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public function turnOff()
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{
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$this->os->halt();

‎Structural/Facade/OsInterface.php

+2-6
Original file line numberDiff line numberDiff line change
@@ -2,13 +2,9 @@
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33
namespace DesignPatterns\Structural\Facade;
44

5-
/**
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* Interface OsInterface.
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*/
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interface OsInterface
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{
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/**
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* Halt the OS.
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*/
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public function halt();
8+
9+
public function getName(): string;
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}

‎Structural/Facade/Tests/FacadeTest.php

+18-31
Original file line numberDiff line numberDiff line change
@@ -2,47 +2,34 @@
22

33
namespace DesignPatterns\Structural\Facade\Tests;
44

5-
use DesignPatterns\Structural\Facade\Facade as Computer;
5+
use DesignPatterns\Structural\Facade\Facade;
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use DesignPatterns\Structural\Facade\OsInterface;
77

8-
/**
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* FacadeTest shows example of facades.
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*/
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class FacadeTest extends \PHPUnit_Framework_TestCase
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{
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public function getComputer()
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public function testComputerOn()
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{
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/** @var OsInterface|\PHPUnit_Framework_MockObject_MockObject $os */
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$os = $this->createMock('DesignPatterns\Structural\Facade\OsInterface');
14+
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$os->method('getName')
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->will($this->returnValue('Linux'));
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1518
$bios = $this->getMockBuilder('DesignPatterns\Structural\Facade\BiosInterface')
16-
->setMethods(array('launch', 'execute', 'waitForKeyPress'))
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->disableAutoload()
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->getMock();
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$operatingSys = $this->getMockBuilder('DesignPatterns\Structural\Facade\OsInterface')
20-
->setMethods(array('getName'))
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->disableAutoload()
22-
->getMock();
19+
->setMethods(['launch', 'execute', 'waitForKeyPress'])
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->disableAutoload()
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->getMock();
22+
2323
$bios->expects($this->once())
24-
->method('launch')
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->with($operatingSys);
26-
$operatingSys
27-
->expects($this->once())
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->method('getName')
29-
->will($this->returnValue('Linux'));
24+
->method('launch')
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->with($os);
3026

31-
$facade = new Computer($bios, $operatingSys);
27+
$facade = new Facade($bios, $os);
3228

33-
return array(array($facade, $operatingSys));
34-
}
35-
36-
/**
37-
* @param Computer $facade
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* @param OsInterface $os
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* @dataProvider getComputer
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*/
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public function testComputerOn(Computer $facade, OsInterface $os)
42-
{
43-
// interface is simpler :
29+
// the facade interface is simple
4430
$facade->turnOn();
45-
// but I can access to lower component
31+
32+
// but you can also access the underlying components
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$this->assertEquals('Linux', $os->getName());
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}
4835
}

‎Structural/Facade/uml/Facade.uml

+23-24
Original file line numberDiff line numberDiff line change
@@ -1,24 +1,23 @@
1-
<?xml version="1.0" encoding="UTF-8"?>
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<Diagram>
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<ID>PHP</ID>
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<OriginalElement>\DesignPatterns\Structural\Facade\BiosInterface</OriginalElement>
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<nodes>
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<node x="0.0" y="174.0">\DesignPatterns\Structural\Facade\BiosInterface</node>
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<node x="208.0" y="174.0">\DesignPatterns\Structural\Facade\OsInterface</node>
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<node x="0.0" y="0.0">\DesignPatterns\Structural\Facade\Facade</node>
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</nodes>
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<notes />
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<edges />
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<settings layout="Hierarchic Group" zoom="1.0" x="149.0" y="140.5" />
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<SelectedNodes>
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<node>\DesignPatterns\Structural\Facade\BiosInterface</node>
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</SelectedNodes>
16-
<Categories>
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<Category>Fields</Category>
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<Category>Constants</Category>
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<Category>Constructors</Category>
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<Category>Methods</Category>
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</Categories>
22-
<VISIBILITY>private</VISIBILITY>
23-
</Diagram>
24-
1+
<?xml version="1.0" encoding="UTF-8"?>
2+
<Diagram>
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<ID>PHP</ID>
4+
<OriginalElement>\DesignPatterns\Structural\Facade\BiosInterface</OriginalElement>
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<nodes>
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<node x="0.0" y="163.0">\DesignPatterns\Structural\Facade\BiosInterface</node>
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<node x="0.0" y="0.0">\DesignPatterns\Structural\Facade\Facade</node>
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<node x="234.0" y="163.0">\DesignPatterns\Structural\Facade\OsInterface</node>
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</nodes>
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<notes />
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<edges />
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<settings layout="Hierarchic Group" zoom="1.0" x="179.0" y="140.0" />
13+
<SelectedNodes>
14+
<node>\DesignPatterns\Structural\Facade\BiosInterface</node>
15+
</SelectedNodes>
16+
<Categories>
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<Category>Methods</Category>
18+
<Category>Constants</Category>
19+
<Category>Fields</Category>
20+
</Categories>
21+
<VISIBILITY>private</VISIBILITY>
22+
</Diagram>
23+

‎Structural/Facade/uml/uml.png

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