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Completed
Push — master ( 27afaf...1c4da6 )
by Cees-Jan
01:36
created

State   A

↳ Parent: Project

Complexity

Total Complexity 1

Size/Duplication

Total Lines 9
Duplicated Lines 0 %

Coupling/Cohesion

Components 0
Dependencies 3

Test Coverage

Coverage 0%

Importance

Changes 0
Metric Value
wmc 1
lcom 0
cbo 3
dl 0
loc 9
ccs 0
cts 6
cp 0
rs 10
c 0
b 0
f 0

1 Method

Rating   Name   Duplication   Size   Complexity  
A refresh() 0 6 1
1 
<?php declare(strict_types=1);
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace ApiClients\Client\Supervisord\Resource\Sync;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use ApiClients\Client\Supervisord\Resource\State as BaseState;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use ApiClients\Client\Supervisord\Resource\StateInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use ApiClients\Foundation\Hydrator\CommandBus\Command\BuildAsyncFromSyncCommand;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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class State extends BaseState

            


            
                                                                        
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function refresh(): State

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this->wait($this->handleCommand(new BuildAsyncFromSyncCommand(self::HYDRATE_CLASS, $this))->then(function (StateInterface $state) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            return $state->refresh();

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

                            –
                            show
                        


                        

                                                                                        




    

        
            Bug
    
    
    
        introduced 
                            by 
            

        

        

            
        

        

            

                

                    
                
                
            


        

    

    

        
                        

                            
                                
                            
                        

                                        
It seems like you code against a concrete implementation and not the interface ApiClients\Client\Superv...Resource\StateInterface as the method refresh() does only exist in the following implementations of said interface: ApiClients\Client\Supervisord\Resource\Async\State, ApiClients\Client\Supervisord\Resource\Sync\State.
                                                                                                                                                                                                        

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
Let’s take a look at an example:


interface User
{
    /** @return string */
    public function getPassword();
}

class MyUser implements User
{
    public function getPassword()
    {
        // return something
    }

    public function getDisplayName()
    {
        // return some name.
    }
}

class AuthSystem
{
    public function authenticate(User $user)
    {
        $this->logger->info(sprintf('Authenticating %s.', $user->getDisplayName()));
        // do something.
    }
}





In the above example, the authenticate() method works fine as long as you just pass
instances of MyUser. However, if you now also want to pass a different implementation
of User which does not have a getDisplayName() method, the code will break.




Available Fixes


  1. Change the type-hint for the parameter:
    

    class AuthSystem
{
    public function authenticate(MyUser $user) { /* ... */ }
}

    

    

    2. 

  2. Add an additional type-check:
    

    class AuthSystem
{
    public function authenticate(User $user)
    {
        if ($user instanceof MyUser) {
            $this->logger->info(/** ... */);
        }

        // or alternatively
        if ( ! $user instanceof MyUser) {
            throw new \LogicException(
                '$user must be an instance of MyUser, '
               .'other instances are not supported.'
            );
        }

    }
}

    

    

    3. 




 Note: PHP Analyzer uses reverse abstract interpretation to narrow down the types
inside the if block in such a case.


  1. Add the method to the interface:
    

    interface User
{
    /** @return string */
    public function getPassword();

    /** @return string */
    public function getDisplayName();
}

    

    

    2. 



                        

                                                    

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        }));

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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