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68 lines
1.3 KiB
ReStructuredText
68 lines
1.3 KiB
ReStructuredText
`Mediator`__
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============
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Purpose
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-------
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This pattern provides an easy way to decouple many components working
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together. It is a good alternative to Observer IF you have a "central
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intelligence", like a controller (but not in the sense of the MVC).
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All components (called Colleague) are only coupled to the
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Mediator interface and it is a good thing because in OOP, one good friend
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is better than many. This is the key-feature of this pattern.
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UML Diagram
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-----------
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.. image:: uml/uml.png
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:alt: Alt Mediator UML Diagram
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:align: center
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Code
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----
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You can also find this code on `GitHub`_
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Mediator.php
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.. literalinclude:: Mediator.php
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:language: php
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:linenos:
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Colleague.php
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.. literalinclude:: Colleague.php
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:language: php
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:linenos:
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Ui.php
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.. literalinclude:: Ui.php
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:language: php
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:linenos:
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UserRepository.php
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.. literalinclude:: UserRepository.php
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:language: php
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:linenos:
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UserRepositoryUiMediator.php
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.. literalinclude:: UserRepositoryUiMediator.php
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:language: php
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:linenos:
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Test
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----
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Tests/MediatorTest.php
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.. literalinclude:: Tests/MediatorTest.php
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:language: php
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:linenos:
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.. _`GitHub`: https://github.com/DesignPatternsPHP/DesignPatternsPHP/tree/main/Behavioral/Mediator
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.. __: http://en.wikipedia.org/wiki/Mediator_pattern
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