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115 lines
2.4 KiB
ReStructuredText
115 lines
2.4 KiB
ReStructuredText
`Entity-Attribute-Value (EAV)`__
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================================
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Purpose
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-------
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...
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Examples
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--------
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```
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use DesignPatterns\More\EAV\Entity;
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use DesignPatterns\More\EAV\Attribute;
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use DesignPatterns\More\EAV\Value;
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// color attribute
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$color = (new Attribute())->setName('Color');
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// color values
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$colorSilver = (new Value($color))->setName('Silver');
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$colorGold = (new Value($color))->setName('Gold');
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$colorSpaceGrey = (new Value($color))->setName('Space Grey');
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// memory attribute
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$memory = (new Attribute())->setName('Memory');
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// memory values
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$memory4Gb = (new Value($memory))->setName('4GB');
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$memory8Gb = (new Value($memory))->setName('8GB');
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$memory16Gb = (new Value($memory))->setName('16GB');
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// storage attribute
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$storage = (new Attribute())->setName('Storage');
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// storage values
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$storage128Gb = (new Value($storage))->setName('128GB');
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$storage256Gb = (new Value($storage))->setName('256GB');
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$storage512Gb = (new Value($storage))->setName('512GB');
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$storage1Tb = (new Value($storage))->setName('1TB');
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// entities
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$mac = (new Entity())
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->setName('MacBook')
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// colors
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->addValue($colorSilver)
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->addValue($colorGold)
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->addValue($colorSpaceGrey)
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// memories
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->addValue($memory8Gb)
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// storages
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->addValue($storage256Gb)
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->addValue($storage512Gb)
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;
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$macAir = (new Entity())
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->setName('MacBook Air')
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// colors
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->addValue($colorSilver)
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// memories
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->addValue($memory4Gb)
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->addValue($memory8Gb)
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// storages
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->addValue($storage128Gb)
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->addValue($storage256Gb)
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->addValue($storage512Gb)
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;
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$macPro = (new Entity())
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->setName('MacBook Pro')
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// colors
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->addValue($colorSilver)
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// memories
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->addValue($memory8Gb)
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->addValue($memory16Gb)
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// storages
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->addValue($storage128Gb)
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->addValue($storage256Gb)
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->addValue($storage512Gb)
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->addValue($storage1Tb)
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;
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```
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UML Diagram
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-----------
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...
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Code
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----
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You can also find these code on `GitHub`_
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Test
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----
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Tests/EntityTest.php
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.. literalinclude:: Tests/EntityTest.php
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:language: php
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:linenos:
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Tests/AttributeTest.php
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.. literalinclude:: Tests/AttributeTest.php
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:language: php
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:linenos:
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Tests/ValueTest.php
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.. literalinclude:: Tests/ValueTest.php
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:language: php
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:linenos:
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.. _`GitHub`: https://github.com/domnikl/DesignPatternsPHP/tree/master/More/EAV
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.. __: https://en.wikipedia.org/wiki/Entity–attribute–value_model
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