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Push — master ( c628d7...8aa25c )
by Miloš
01:17
created

FactoryResolver::__invoke()   A

↳ Parent: Project

Complexity

Conditions 3
Paths 2

Size

Total Lines 12

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 3.0261

Importance

Changes 0
Metric Value
cc 3
nc 2
nop 2
dl 0
loc 12
ccs 6
cts 7
cp 0.8571
crap 3.0261
rs 9.8666
c 0
b 0
f 0
1 
<?php
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace Laganica\Di\Resolver;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Laganica\Di\Exception\ContainerException;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Laganica\Di\FactoryInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Class FactoryResolver

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @package Laganica\Di\Resolver

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class FactoryResolver extends Resolver

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @inheritDoc

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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                             2                         
                
                
                
    public function resolve($definition)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $factoryClass = $definition->getValue();

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
0 ignored issues

                            –
                            show
                        


                        

                                                                                        




    

        
            Bug
    
    
    
        introduced 
                            by 
            

        

        

            
        

        

            

                

                    
                
                
            


        

    

    

        
                        

                            
                                
                            
                        

                                        
The method getValue does only exist in Laganica\Di\Definition\DefinitionInterface, but not in Closure.
                                                                                                                                                                                                        

                    
                                            

                            

                            

                                
                                    
                                
                            


                            
It seems like the method you are trying to call exists only in some of the
possible types.


Let’s take a look at an example:


class A
{
    public function foo() { }
}

class B extends A
{
    public function bar() { }
}

/**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo(); // This call is fine as the method exists in A and B.
    $x->bar(); // This method only exists in B and might cause an error.
}







Available Fixes


  1. Add an additional type-check:
    

    /**
 * @param A|B $x
 */
function someFunction($x)
{
    $x->foo();

    if ($x instanceof B) {
        $x->bar();
    }
}

    

    

    2. 

  2. Only allow a single type to be passed if the variable comes from a parameter:
    

    function someFunction(B $x) { /** ... */ }

    

    

    3. 



                        

                                                    

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        $factoryInterface = FactoryInterface::class;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $interfaces = class_implements($factoryClass);

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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        if (empty($interfaces) || !in_array($factoryInterface, $interfaces, true)) {

            


            
                                                        
            
                                    
            
            

                
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            throw new ContainerException("$factoryClass must implement $factoryInterface");

            


            
                                                        
            
                                    
            
            

                
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        }

            


            
                                                        
            
                                    
            
            

                
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        return (new $factoryClass)($this->getContainer());

            


            
                                                        
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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