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Dominik Liebler
2016-09-22 15:51:45 +02:00
parent 2b1de13391
commit 461d612b91
11 changed files with 84 additions and 617 deletions
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65
More/EAV/Attribute.php
View File

@@ -2,12 +2,10 @@
namespace DesignPatterns\More\EAV;
use SplObjectStorage;
class Attribute implements ValueAccessInterface
class Attribute
{
/**
* @var SplObjectStorage
* @var \SplObjectStorage
*/
private $values;
@@ -16,64 +14,27 @@ class Attribute implements ValueAccessInterface
*/
private $name;
public function __construct()
public function __construct(string $name)
{
$this->values = new SplObjectStorage();
$this->values = new \SplObjectStorage();
$this->name = $name;
}
public function addValue(Value $value)
{
$this->values->attach($value);
}
/**
* @return SplObjectStorage
* @return \SplObjectStorage
*/
public function getValues()
public function getValues(): \SplObjectStorage
{
return $this->values;
}
/**
* @param ValueInterface $value
*
* @return $this
*/
public function addValue(ValueInterface $value)
{
if (!$this->values->contains($value)) {
$this->values->attach($value);
}
return $this;
}
/**
* @param ValueInterface $value
*
* @return $this
*/
public function removeValue(ValueInterface $value)
{
if ($this->values->contains($value)) {
$this->values->detach($value);
}
return $this;
}
/**
* @return string
*/
public function getName()
public function __toString(): string
{
return $this->name;
}
/**
* @param string $name
*
* @return $this
*/
public function setName($name)
{
$this->name = $name;
return $this;
}
}

76
More/EAV/Entity.php
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@@ -2,12 +2,10 @@
namespace DesignPatterns\More\EAV;
use SplObjectStorage;
class Entity implements ValueAccessInterface
class Entity
{
/**
* @var SplObjectStorage
* @var \SplObjectStorage
*/
private $values;
@@ -16,64 +14,28 @@ class Entity implements ValueAccessInterface
*/
private $name;
public function __construct()
{
$this->values = new SplObjectStorage();
}
/**
* @return SplObjectStorage
*/
public function getValues()
{
return $this->values;
}
/**
* @param ValueInterface $value
*
* @return $this
*/
public function addValue(ValueInterface $value)
{
if (!$this->values->contains($value)) {
$this->values->attach($value);
}
return $this;
}
/**
* @param ValueInterface $value
*
* @return $this
*/
public function removeValue(ValueInterface $value)
{
if ($this->values->contains($value)) {
$this->values->detach($value);
}
return $this;
}
/**
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* @param string $name
*
* @return $this
* @param Value[] $values
*/
public function setName($name)
public function __construct(string $name, $values)
{
$this->values = new \SplObjectStorage();
$this->name = $name;
return $this;
foreach ($values as $value) {
$this->values->attach($value);
}
}
public function __toString(): string
{
$text = [$this->name];
foreach ($this->values as $value) {
$text[] = (string) $value;
}
return join(', ', $text);
}
}

109
More/EAV/README.rst
View File

@@ -11,81 +11,6 @@ where the number of attributes (properties, parameters) that can be used
to describe them is potentially vast, but the number that will actually apply
to a given entity is relatively modest.
Examples
--------
Check full work example in `example.php`_ file.
.. code-block:: php
use DesignPatterns\More\EAV\Entity;
use DesignPatterns\More\EAV\Attribute;
use DesignPatterns\More\EAV\Value;
// Create color attribute
$color = (new Attribute())->setName('Color');
// Create color values
$colorSilver = (new Value($color))->setName('Silver');
$colorGold = (new Value($color))->setName('Gold');
$colorSpaceGrey = (new Value($color))->setName('Space Grey');
// Create memory attribute
$memory = (new Attribute())->setName('Memory');
// Create memory values
$memory4Gb = (new Value($memory))->setName('4GB');
$memory8Gb = (new Value($memory))->setName('8GB');
$memory16Gb = (new Value($memory))->setName('16GB');
// Create storage attribute
$storage = (new Attribute())->setName('Storage');
// Create storage values
$storage128Gb = (new Value($storage))->setName('128GB');
$storage256Gb = (new Value($storage))->setName('256GB');
$storage512Gb = (new Value($storage))->setName('512GB');
$storage1Tb = (new Value($storage))->setName('1TB');
// Create entities with specific values
$mac = (new Entity())
->setName('MacBook')
// colors
->addValue($colorSilver)
->addValue($colorGold)
->addValue($colorSpaceGrey)
// memories
->addValue($memory8Gb)
// storages
->addValue($storage256Gb)
->addValue($storage512Gb)
;
$macAir = (new Entity())
->setName('MacBook Air')
// colors
->addValue($colorSilver)
// memories
->addValue($memory4Gb)
->addValue($memory8Gb)
// storages
->addValue($storage128Gb)
->addValue($storage256Gb)
->addValue($storage512Gb)
;
$macPro = (new Entity())
->setName('MacBook Pro')
// colors
->addValue($colorSilver)
// memories
->addValue($memory8Gb)
->addValue($memory16Gb)
// storages
->addValue($storage128Gb)
->addValue($storage256Gb)
->addValue($storage512Gb)
->addValue($storage1Tb)
;
UML Diagram
-----------
@@ -98,28 +23,32 @@ Code
You can also find these code on `GitHub`_
Entity.php
.. literalinclude:: Entity.php
:language: php
:linenos:
Attribute.php
.. literalinclude:: Attribute.php
:language: php
:linenos:
Value.php
.. literalinclude:: Value.php
:language: php
:linenos:
Test
----
Tests/EntityTest.php
Tests/EAVTest.php
.. literalinclude:: Tests/EntityTest.php
:language: php
:linenos:
Tests/AttributeTest.php
.. literalinclude:: Tests/AttributeTest.php
:language: php
:linenos:
Tests/ValueTest.php
.. literalinclude:: Tests/ValueTest.php
:language: php
:linenos:
.. _`example.php`: https://github.com/domnikl/DesignPatternsPHP/tree/master/More/EAV/example.php
.. _`GitHub`: https://github.com/domnikl/DesignPatternsPHP/tree/master/More/EAV
.. __: https://en.wikipedia.org/wiki/Entity–attribute–value_model

66
More/EAV/Tests/AttributeTest.php
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@@ -1,66 +0,0 @@
<?php
namespace DesignPatterns\More\EAV\Tests;
use DesignPatterns\More\EAV\Attribute;
use DesignPatterns\More\EAV\Value;
/**
* AttributeTest tests the Attribute model of EAV pattern.
*/
class AttributeTest extends \PHPUnit_Framework_TestCase
{
public function testCreationSuccess()
{
$attribute = new Attribute();
$this->assertInstanceOf('\DesignPatterns\More\EAV\Attribute', $attribute);
}
/**
* @depends testCreationSuccess
*/
public function testSetGetName()
{
$attribute = new Attribute();
$attribute->setName('Color');
$this->assertEquals('Color', $attribute->getName());
}
/**
* @depends testCreationSuccess
*/
public function testAddValue()
{
$attribute = new Attribute();
$attribute->setName('Color');
$colorSilver = new Value($attribute);
$colorSilver->setName('Silver');
$colorGold = new Value($attribute);
$colorGold->setName('Gold');
$this->assertTrue($attribute->getValues()->contains($colorSilver));
$this->assertTrue($attribute->getValues()->contains($colorGold));
}
/**
* @depends testAddValue
*/
public function testRemoveValue()
{
$attribute = new Attribute();
$attribute->setName('Color');
$colorSilver = new Value($attribute);
$colorSilver->setName('Silver');
$colorGold = new Value($attribute);
$colorGold->setName('Gold');
$attribute->removeValue($colorSilver);
$this->assertFalse($attribute->getValues()->contains($colorSilver));
$this->assertTrue($attribute->getValues()->contains($colorGold));
}
}

24
More/EAV/Tests/EAVTest.php Normal file
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@@ -0,0 +1,24 @@
<?php
namespace DesignPatterns\More\EAV\Tests;
use DesignPatterns\More\EAV\Attribute;
use DesignPatterns\More\EAV\Entity;
use DesignPatterns\More\EAV\Value;
class EAVTest extends \PHPUnit_Framework_TestCase
{
public function testCanAddAttributeToEntity()
{
$colorAttribute = new Attribute('color');
$colorSilver = new Value($colorAttribute, 'silver');
$colorBlack = new Value($colorAttribute, 'black');
$memoryAttribute = new Attribute('memory');
$memory8Gb = new Value($memoryAttribute, '8GB');
$entity = new Entity('MacBook Pro', [$colorSilver, $colorBlack, $memory8Gb]);
$this->assertEquals('MacBook Pro, color: silver, color: black, memory: 8GB', (string) $entity);
}
}

145
More/EAV/Tests/EntityTest.php
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@@ -1,145 +0,0 @@
<?php
namespace DesignPatterns\More\EAV\Tests;
use DesignPatterns\More\EAV\Attribute;
use DesignPatterns\More\EAV\Entity;
use DesignPatterns\More\EAV\Value;
/**
* EntityTest tests the Entity model of EAV pattern.
*/
class EntityTest extends \PHPUnit_Framework_TestCase
{
/**
* @dataProvider valueProvider
*
* @var string
*/
public function testSetGetName($name)
{
$macBook = new Entity();
$macBook->setName($name);
$this->assertEquals($name, $macBook->getName());
}
/**
* @dataProvider valueProvider
*
* @var string
* @var Value[] $values
*/
public function testAddValue($name, array $values)
{
$macBook = new Entity();
$macBook->setName($name);
foreach ($values as $value) {
$macBook->addValue($value);
$this->assertTrue($macBook->getValues()->contains($value));
}
$this->assertCount(count($values), $macBook->getValues());
}
/**
* @depends testAddValue
* @dataProvider valueProvider
*
* @var string
* @var Value[] $values
*/
public function testRemoveValue($name, array $values)
{
$macBook = new Entity();
$macBook->setName($name);
foreach ($values as $value) {
$macBook->addValue($value);
}
$macBook->removeValue($values[0]);
$this->assertFalse($macBook->getValues()->contains($values[0]));
unset($values[0]);
$this->assertCount(count($values), $macBook->getValues());
}
/**
* @return array
*/
public function valueProvider()
{
// color attribute
$color = new Attribute();
$color->setName('Color');
// color values
$colorSilver = new Value($color);
$colorSilver->setName('Silver');
$colorGold = new Value($color);
$colorGold->setName('Gold');
$colorSpaceGrey = new Value($color);
$colorSpaceGrey->setName('Space Grey');
// memory attribute
$memory = new Attribute();
$memory->setName('Memory');
// memory values
$memory4Gb = new Value($memory);
$memory4Gb->setName('4GB');
$memory8Gb = new Value($memory);
$memory8Gb->setName('8GB');
$memory16Gb = new Value($memory);
$memory16Gb->setName('16GB');
// storage attribute
$storage = new Attribute();
$storage->setName('Storage');
// storage values
$storage128Gb = new Value($storage);
$storage128Gb->setName('128GB');
$storage256Gb = new Value($storage);
$storage256Gb->setName('256GB');
$storage512Gb = new Value($storage);
$storage512Gb->setName('512GB');
$storage1Tb = new Value($storage);
$storage1Tb->setName('1TB');
return array(
array(
'MacBook',
array(
$colorSilver,
$colorGold,
$colorSpaceGrey,
$memory8Gb,
$storage256Gb,
$storage512Gb,
),
),
array(
'MacBook Air',
array(
$colorSilver,
$memory4Gb,
$memory8Gb,
$storage128Gb,
$storage256Gb,
$storage512Gb,
),
),
array(
'MacBook Pro',
array(
$colorSilver,
$memory8Gb,
$memory16Gb,
$storage128Gb,
$storage256Gb,
$storage512Gb,
$storage1Tb,
),
),
);
}
}

46
More/EAV/Tests/ValueTest.php
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@@ -1,46 +0,0 @@
<?php
namespace DesignPatterns\More\EAV\Tests;
use DesignPatterns\More\EAV\Attribute;
use DesignPatterns\More\EAV\Value;
/**
* ValueTest tests the Value model of EAV pattern.
*/
class ValueTest extends \PHPUnit_Framework_TestCase
{
public function testCreationSuccessWithAttribute()
{
$attribute = new Attribute();
$attribute->setName('Color');
$value = new Value($attribute);
$this->assertInstanceOf('\DesignPatterns\More\EAV\Value', $value);
}
public function testSetGetName()
{
$attribute = new Attribute();
$attribute->setName('Color');
$value = new Value($attribute);
$value->setName('Silver');
$this->assertEquals('Silver', $value->getName());
}
public function testSetGetAttribute()
{
$attribute = new Attribute();
$attribute->setName('Color');
$value = new Value($attribute);
$value->setName('Silver');
$this->assertSame($attribute, $value->getAttribute());
$value->setAttribute($attribute);
$this->assertSame($attribute, $value->getAttribute());
}
}

55
More/EAV/Value.php
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@@ -2,7 +2,7 @@
namespace DesignPatterns\More\EAV;
class Value implements ValueInterface
class Value
{
/**
* @var Attribute
@@ -14,53 +14,16 @@ class Value implements ValueInterface
*/
private $name;
/**
* @param Attribute $attribute
*/
public function __construct(Attribute $attribute)
{
$this->setAttribute($attribute);
}
/**
* @param Attribute $attribute
*
* @return $this
*/
public function setAttribute(Attribute $attribute)
{
$this->attribute && $this->attribute->removeValue($this); // Remove value from current attribute
$attribute->addValue($this); // Add value to new attribute
$this->attribute = $attribute;
return $this;
}
/**
* @return Attribute
*/
public function getAttribute()
{
return $this->attribute;
}
/**
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* @param string $name
*
* @return $this
*/
public function setName($name)
public function __construct(Attribute $attribute, string $name)
{
$this->name = $name;
$this->attribute = $attribute;
return $this;
$attribute->addValue($this);
}
public function __toString(): string
{
return sprintf('%s: %s', $this->attribute, $this->name);
}
}

24
More/EAV/ValueAccessInterface.php
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@@ -1,24 +0,0 @@
<?php
namespace DesignPatterns\More\EAV;
/**
* Interface ValueAccessInterface.
*/
interface ValueAccessInterface
{
/**
* @return \SplObjectStorage
*/
public function getValues();
/**
* @param ValueInterface $value
*/
public function addValue(ValueInterface $value);
/**
* @param ValueInterface $value
*/
public function removeValue(ValueInterface $value);
}

24
More/EAV/ValueInterface.php
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@@ -1,24 +0,0 @@
<?php
namespace DesignPatterns\More\EAV;
/**
* Interface ValueInterface.
*/
interface ValueInterface
{
/**
* @param Attribute $attribute
*/
public function __construct(Attribute $attribute);
/**
* @param Attribute $attribute
*/
public function setAttribute(Attribute $attribute);
/**
* @return Attribute
*/
public function getAttribute();
}

67
More/EAV/example.php
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@@ -1,67 +0,0 @@
<?php
require '../../vendor/autoload.php';
use DesignPatterns\More\EAV\Attribute;
use DesignPatterns\More\EAV\Entity;
use DesignPatterns\More\EAV\Value;
// Create color attribute
$color = (new Attribute())->setName('Color');
// Create color values
$colorSilver = (new Value($color))->setName('Silver');
$colorGold = (new Value($color))->setName('Gold');
$colorSpaceGrey = (new Value($color))->setName('Space Grey');
// Create memory attribute
$memory = (new Attribute())->setName('Memory');
// Create memory values
$memory4Gb = (new Value($memory))->setName('4GB');
$memory8Gb = (new Value($memory))->setName('8GB');
$memory16Gb = (new Value($memory))->setName('16GB');
// Create storage attribute
$storage = (new Attribute())->setName('Storage');
// Create storage values
$storage128Gb = (new Value($storage))->setName('128GB');
$storage256Gb = (new Value($storage))->setName('256GB');
$storage512Gb = (new Value($storage))->setName('512GB');
$storage1Tb = (new Value($storage))->setName('1TB');
// Create entities with specific values
$mac = (new Entity())
->setName('MacBook')
// colors
->addValue($colorSilver)
->addValue($colorGold)
->addValue($colorSpaceGrey)
// memories
->addValue($memory8Gb)
// storages
->addValue($storage256Gb)
->addValue($storage512Gb);
$macAir = (new Entity())
->setName('MacBook Air')
// colors
->addValue($colorSilver)
// memories
->addValue($memory4Gb)
->addValue($memory8Gb)
// storages
->addValue($storage128Gb)
->addValue($storage256Gb)
->addValue($storage512Gb);
$macPro = (new Entity())
->setName('MacBook Pro')
// colors
->addValue($colorSilver)
// memories
->addValue($memory8Gb)
->addValue($memory16Gb)
// storages
->addValue($storage128Gb)
->addValue($storage256Gb)
->addValue($storage512Gb)
->addValue($storage1Tb);