info/DesignPatternsPHP
1
0
Fork 0
mirror of https://github.com/DesignPatternsPHP/DesignPatternsPHP.git synced 2025-07-31 04:00:18 +02:00
Code Issues Projects Releases Wiki Activity

PHP7 NullObject

Browse Source
This commit is contained in:
Dominik Liebler
2016-09-22 10:43:27 +02:00
parent 01007ec5a8
commit b707bf064e
5 changed files with 10 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
Behavioral/NullObject/Service.php
View File

@@ -2,24 +2,19 @@
namespace DesignPatterns\Behavioral\NullObject;
/**
* Service is dummy service that uses a logger.
*/
class Service
{
/**
* @var LoggerInterface
*/
protected $logger;
private $logger;
/**
* we inject the logger in ctor and it is mandatory.
*
* @param LoggerInterface $log
* @param LoggerInterface $logger
*/
public function __construct(LoggerInterface $log)
public function __construct(LoggerInterface $logger)
{
$this->logger = $log;
$this->logger = $logger;
}
/**
@@ -27,8 +22,7 @@ class Service
*/
public function doSomething()
{
// no more check "if (!is_null($this->logger))..." with the NullObject pattern
// notice here that you don't have to check if the logger is set with eg. is_null(), instead just use it
$this->logger->log('We are in '.__METHOD__);
// something to do...
}
}