Implemented Bridge Pattern

Bridge/Assemble.php

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+<?php
+
+namespace DesignPatterns\Bridge;
+
+class Assemble implements Workshop {
+
+  public function work() {
+    print 'Assembled';
+  }
+
+}

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();
+  }
+
+}

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();
+  }
+
+}

Bridge/Produce.php

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

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)
+
+
+

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() {
+
+  }
+
+}

Bridge/Workshop.php

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

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();
+  }
+
+}