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FluentInterfaceAspect   A

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Complexity

Total Complexity 2

Size/Duplication

Total Lines 17
Duplicated Lines 0 %

Coupling/Cohesion

Components 0
Dependencies 0
Metric Value
wmc 2
lcom 0
cbo 0
dl 0
loc 17
rs 10
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<?php
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/*
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 * Go! AOP framework
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 *
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 * @copyright Copyright 2014, Lisachenko Alexander <[email protected]>
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 *
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 * This source file is subject to the license that is bundled
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 * with this source code in the file LICENSE.
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 */
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namespace Demo\Aspect;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Go\Aop\Aspect;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Go\Aop\Intercept\MethodInvocation;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Go\Lang\Annotation\Around;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Fluent interface aspect provides an easy way to reuse "chain" interface for classes

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Basically, it uses around method to intercept all public setters in the class that implements

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * special marker interface FluentInterface. Then it checks the return value for setter, if it's null,

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * then advice replaces it with reference to the object "$this".

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @see http://go.aopphp.com/blog/2013/03/19/implementing-fluent-interface-pattern-in-php/

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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 */

            


            
                                                        
            
                                    
            
            

                
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class FluentInterfaceAspect implements Aspect

            


            
                                                        
            
                                    
            
            

                
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{

            


            
                                                        
            
                                    
            
            

                
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    /**

            


            
                                                        
            
                                    
            
            

                
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     * Fluent interface advice

            


            
                                                        
            
                                    
            
            

                
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     *

            


            
                                                        
            
                                    
            
            

                
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     * @Around("within(Demo\Aspect\FluentInterface+) && execution(public **->set*(*))")

            


            
                                                        
            
                                    
            
            

                
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     *

            


            
                                                        
            
                                    
            
            

                
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     * @param MethodInvocation $invocation

            


            
                                                        
            
                                    
            
            

                
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     * @return mixed|null|object

            


            
                                                        
            
                                    
            
            

                
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     */

            


            
                                                        
            
                                    
            
            

                
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    protected function aroundMethodExecution(MethodInvocation $invocation)

            


            
                                                        
            
                                    
            
            

                
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    {

            


            
                                                        
            
                                    
            
            

                
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        $result = $invocation->proceed();

            


            
                                                        
            
                                    
            
            

                
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        return $result !== null ? $result : $invocation->getThis();

            


            
                                                        
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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