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Commit14a9dfe

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16 files changed

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-16
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16 files changed

+324
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‎Behavioral/Memento/Caretaker.php

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

‎Behavioral/Memento/Memento.php

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<?php
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namespaceDesignPatterns\Behavioral\Memento;
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class Memento
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{
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/* @var mixed */
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private$state;
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/**
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* @param mixed $stateToSave
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*/
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publicfunction__construct($stateToSave)
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{
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$this->state =$stateToSave;
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}
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/**
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* @return mixed
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*/
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publicfunctiongetState()
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{
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return$this->state;
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}
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}

‎Behavioral/Memento/MementoTest.php

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<?php
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namespaceDesignPatterns\Behavioral\Memento;
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/**
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* MementoTest tests the memento pattern
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*/
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class MementoTestextends \PHPUnit_Framework_TestCase
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{
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publicfunctiontestStringState()
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{
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$originator =newOriginator();
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$originator->setState("State1");
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$this->assertAttributeEquals("State1","state",$originator);
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$originator->setState("State2");
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$this->assertAttributeEquals("State2","state",$originator);
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$savedState =$originator->saveToMemento();
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$this->assertAttributeEquals("State2","state",$savedState);
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$originator->setState("State3");
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$this->assertAttributeEquals("State3","state",$originator);
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$originator->restoreFromMemento($savedState);
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$this->assertAttributeEquals("State2","state",$originator);
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}
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publicfunctiontestObjectState()
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{
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$originator =newOriginator();
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$foo =new \stdClass();
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$foo->data ="foo";
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$originator->setState($foo);
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$this->assertAttributeEquals($foo,"state",$originator);
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$savedState =$originator->saveToMemento();
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$this->assertAttributeEquals($foo,"state",$savedState);
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$bar =new \stdClass();
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$bar->data ="bar";
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$originator->setState($bar);
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$this->assertAttributeEquals($bar,"state",$originator);
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$originator->restoreFromMemento($savedState);
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$this->assertAttributeEquals($foo,"state",$originator);
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$foo->data =null;
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$this->assertAttributeNotEquals($foo,"state",$savedState);
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$this->assertAttributeNotEquals($foo,"state",$originator);
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}
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}

‎Behavioral/Memento/Originator.php

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<?php
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namespaceDesignPatterns\Behavioral\Memento;
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class Originator
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{
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/* @var mixed */
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private$state;
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// The class could also contain additional data that is not part of the
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// state saved in the memento..
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/**
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* @param mixed $state
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*/
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publicfunctionsetState($state)
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{
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$this->state =$state;
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}
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/**
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* @return Memento
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*/
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publicfunctionsaveToMemento()
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{
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$state =is_object($this->state) ?clone$this->state :$this->state;
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returnnewMemento($state);
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}
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publicfunctionrestoreFromMemento(Memento$memento)
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{
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$this->state =$memento->getState();
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}
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}

‎Behavioral/Memento/README.md

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

‎More/ServiceLocator/ServiceLocatorTest.php

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publicfunctionsetUp()
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{
29-
$this->serviceLocator =newServiceLocator();
30-
31-
$this->logService =newLogService();
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$this->serviceLocator =newServiceLocator();
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$this->logService =newLogService();
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$this->databaseService =newDatabaseService();
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}
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3534
publicfunctiontestHasServices()
3635
{
37-
$this->serviceLocator->add(
38-
'DesignPatterns\More\ServiceLocator\LogServiceInterface',
39-
$this->logService
40-
);
41-
$this->serviceLocator->add(
42-
'DesignPatterns\More\ServiceLocator\DatabaseServiceInterface',
43-
$this->databaseService
44-
);
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$this->serviceLocator->add('DesignPatterns\More\ServiceLocator\LogServiceInterface',$this->logService);
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$this->serviceLocator->add('DesignPatterns\More\ServiceLocator\DatabaseServiceInterface',$this->databaseService);
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$this->assertTrue($this->serviceLocator->has('DesignPatterns\More\ServiceLocator\LogServiceInterface'));
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$this->assertTrue($this->serviceLocator->has('DesignPatterns\More\ServiceLocator\DatabaseServiceInterface'));

‎README.md

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@@ -14,17 +14,18 @@ The patterns can be structured in roughly three different categories. Please cli
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*[AbstractFactory](Creational/AbstractFactory)[:notebook:](http://en.wikipedia.org/wiki/Abstract_factory_pattern)
1616
*[Builder](Creational/Builder)[:notebook:](http://en.wikipedia.org/wiki/Builder_pattern)
17-
*[SimpleFactory](Creational/SimpleFactory)
1817
*[FactoryMethod](Creational/FactoryMethod)[:notebook:](http://en.wikipedia.org/wiki/Factory_method_pattern)
19-
*[StaticFactory](Creational/StaticFactory)
20-
*[Prototype](Creational/Prototype)[:notebook:](http://en.wikipedia.org/wiki/Prototype_pattern)
18+
*[Multiton](Creational/Multiton) (is considered an anti-pattern!:no_entry:)
2119
*[Pool](Creational/Pool)[:notebook:](http://en.wikipedia.org/wiki/Object_pool_pattern)
20+
*[Prototype](Creational/Prototype)[:notebook:](http://en.wikipedia.org/wiki/Prototype_pattern)
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*[SimpleFactory](Creational/SimpleFactory)
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*[Singleton](Creational/Singleton)[:notebook:](http://en.wikipedia.org/wiki/Singleton_pattern) (is considered an anti-pattern!:no_entry:)
23-
*[Multiton](Creational/Multiton) (is considered an anti-pattern!:no_entry:)
23+
*[StaticFactory](Creational/StaticFactory)
2424

2525
###[Structural](Structural)
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2727
*[Adapter](Structural/Adapter)[:notebook:](http://en.wikipedia.org/wiki/Adapter_pattern)
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*[Bridge](Structural/Bridge)[:notebook:](http://en.wikipedia.org/wiki/Bridge_pattern)
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*[Composite](Structural/Composite)[:notebook:](http://en.wikipedia.org/wiki/Composite_pattern)
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*[DataMapper](Structural/DataMapper)[:notebook:](http://en.wikipedia.org/wiki/Data_mapper_pattern)
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*[Decorator](Structural/Decorator)[:notebook:](http://en.wikipedia.org/wiki/Decorator_pattern)
@@ -40,6 +41,7 @@ The patterns can be structured in roughly three different categories. Please cli
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*[Command](Behavioral/Command)[:notebook:](http://en.wikipedia.org/wiki/Command_pattern)
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*[Iterator](Behavioral/Iterator)[:notebook:](http://en.wikipedia.org/wiki/Iterator_pattern)
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*[Mediator](Behavioral/Mediator)[:notebook:](http://en.wikipedia.org/wiki/Mediator_pattern)
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*[Memento](Memento)[:notebook:](http://en.wikipedia.org/wiki/Memento_pattern)
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*[NullObject](Behavioral/NullObject)[:notebook:](http://en.wikipedia.org/wiki/Null_Object_pattern)
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*[Observer](Behavioral/Observer)[:notebook:](http://en.wikipedia.org/wiki/Observer_pattern)
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*[Specification](Behavioral/Specification)[:notebook:](http://en.wikipedia.org/wiki/Specification_pattern)
@@ -61,7 +63,7 @@ To establish a consistent code quality, please check your code using [PHP_CodeSn
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(The MIT License)
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Copyright (c)2013 Dominik Liebler
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Copyright (c)2014 Dominik Liebler
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the

‎Structural/Bridge/Assemble.php

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<?php
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namespaceDesignPatterns\Structural\Bridge;
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class Assembleimplements Workshop
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{
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publicfunctionwork()
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{
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print'Assembled';
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}
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}

‎Structural/Bridge/BridgeTest.php

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<?php
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namespaceDesignPatterns\Structural\Bridge;
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class BridgeTestextends \PHPUnit_Framework_TestCase
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{
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8+
publicfunctiontestCar()
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{
10+
$vehicle =newCar(newProduce(),newAssemble());
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$this->expectOutputString('Car Produced Assembled');
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$vehicle->manufacture();
13+
}
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15+
publicfunctiontestMotorcycle()
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{
17+
$vehicle =newMotorcycle(newProduce(),newAssemble());
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$this->expectOutputString('Motorcycle Produced Assembled');
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$vehicle->manufacture();
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}
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}

‎Structural/Bridge/Car.php

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<?php
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namespaceDesignPatterns\Structural\Bridge;
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/**
6+
* Refined Abstraction
7+
*/
8+
class Carextends Vehicle
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{
10+
11+
publicfunction__construct(Workshop$workShop1,Workshop$workShop2)
12+
{
13+
parent::__construct($workShop1,$workShop2);
14+
}
15+
16+
publicfunctionmanufacture()
17+
{
18+
print'Car';
19+
$this->workShop1->work();
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$this->workShop2->work();
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}
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}

‎Structural/Bridge/Motorcycle.php

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<?php
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namespaceDesignPatterns\Structural\Bridge;
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/**
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* Refined Abstraction
7+
*/
8+
class Motorcycleextends Vehicle
9+
{
10+
11+
publicfunction__construct(Workshop$workShop1,Workshop$workShop2)
12+
{
13+
parent::__construct($workShop1,$workShop2);
14+
}
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16+
publicfunctionmanufacture()
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{
18+
print'Motorcycle';
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$this->workShop1->work();
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$this->workShop2->work();
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}
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}

‎Structural/Bridge/Produce.php

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<?php
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namespaceDesignPatterns\Structural\Bridge;
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/**
6+
* Concrete Implementation
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*/
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class Produceimplements Workshop
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{
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publicfunctionwork()
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{
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print'Produced';
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}
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}

‎Structural/Bridge/README.md

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

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<?php
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namespaceDesignPatterns\Structural\Bridge;
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5+
/**
6+
* Abstraction
7+
*/
8+
abstractclass Vehicle
9+
{
10+
11+
protected$workShop1;
12+
protected$workShop2;
13+
14+
protectedfunction__construct(Workshop$workShop1,Workshop$workShop2)
15+
{
16+
$this->workShop1 =$workShop1;
17+
$this->workShop2 =$workShop2;
18+
}
19+
20+
publicfunctionmanufacture()
21+
{
22+
}
23+
}

‎Structural/Bridge/Workshop.php

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<?php
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namespaceDesignPatterns\Structural\Bridge;
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/**
6+
* Implementer
7+
*/
8+
interface Workshop
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{
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11+
publicfunctionwork();
12+
}

‎Structural/README.md

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entities.
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*[Adapter](Adapter)[:notebook:](http://en.wikipedia.org/wiki/Adapter_pattern)
8+
*[Bridge](Bridge)[:notebook:](http://en.wikipedia.org/wiki/Bridge_pattern)
89
*[Composite](Composite)[:notebook:](http://en.wikipedia.org/wiki/Composite_pattern)
910
*[DataMapper](DataMapper)[:notebook:](http://en.wikipedia.org/wiki/Data_mapper_pattern)
1011
*[Decorator](Decorator)[:notebook:](http://en.wikipedia.org/wiki/Decorator_pattern)

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