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                <?php
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                namespace PEIP\Factory;
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                /* 
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                 * To change this template, choose Tools | Templates
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                 * and open the template in the editor.
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                 */
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                /**
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                 * Description of ServiceFactory
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                 *
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                 * @author timo
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                 */
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                use PEIP\Util\Test;
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                use PEIP\Base\GenericBuilder;
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                use PEIP\Context\XMLContext;
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                class ServiceFactory {
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                     /**
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                     * Creates and initializes service instance from a given configuration.
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                     *
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                     * @access public
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                     * @param $config configuration of the service
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                     * @return object the initialized service instance
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                     */
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                    public static function createService(array $config){
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                        $args = array();
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                        //build arguments for constructor
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                        if(isset($config['constructor_arg'])){
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                            foreach($config['constructor_arg'] as $arg){
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                                $args[] = self::buildArg($arg);
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                            }
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                        }
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                        return self::buildAndModify($config, $args);
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                    }
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                        /**
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                     * Builds an arbitrary service/object instance from a config-obect.
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                     *
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                     * @static
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                     * @access protected
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                     * @param object $config configuration object to build a service instance from.
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                     * @param array $arguments arguments for the service constructor
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                     * @param string $defaultClass class to create instance for if none is set in config
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                     * @return object build and modified srvice instance
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                     */
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                    public static function doBuild($config, $arguments, $defaultClass = false){
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                        $cls = isset($config["class"]) ? trim((string)$config["class"]) : (string)$defaultClass;
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                        if($cls != ''){
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                            try {
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                                $constructor = isset($config["constructor"])?(string)$config["constructor"]:"";
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                                if($constructor != '' && Test::assertMethod($cls, $constructor)){
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                                    $service = call_user_func_array(array($cls, $constructor), $arguments);
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                                }else{
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                                    $service = self::build($cls, $arguments);
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                                }
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                            }catch(\Exception $e){
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                                throw new \RuntimeException('Could not create Service "'.$cls.'" -> '.$e->getMessage());
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                            }
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                        }
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                        if(is_object($service)){
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                            return $service;
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                        }
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                        throw new \RuntimeException('Could not create Service "'.$cls.'". Class does not exist.');
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                    }
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                    /**
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                     * Utility function to build an object instance for given class with given constructor-arguments.
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                     *
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                     * @see GenericBuilder
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                     * @static
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                     * @access protected
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                     * @param object $className name of class to build instance for.
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                     * @param array $arguments arguments for the constructor
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                     * @return object build and modified srvice instance
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                     */
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                    public static function build($className, $arguments){
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                        return GenericBuilder::getInstance($className)->build($arguments);
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                    }
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                        /**
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                     * Builds single argument (to call a method with later) from a config-obect.
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                     *
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                     * @access protected
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                     * @param object $config configuration object to create argument from.
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                     * @return mixed build argument
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                     */
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                    protected function buildArg($config){
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                        if(trim((string)$config['value']) != ''){
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                            $arg = (string)$config['value'];
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                        }elseif($config->getName() == 'value'){
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                            $arg = (string)$config;
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                        }elseif($config->getName() == 'list'){
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                            $arg = array();
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                            foreach($config->children() as $entry){
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                                if($entry->getName() == 'value'){
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                                    if($entry['key']){
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                                        $arg[(string)$entry['key']] = (string)$entry;
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                                    }else{
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                                        $arg[] = (string)$entry;
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                                    }
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                                }elseif($entry->getName() == 'service'){
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                                    $arg[] = $this->provideService($entry);
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                                }
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                            }
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                        }elseif($config->getName() == 'service'){
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                            $arg = self::provideService($config);
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                        }elseif($config->list){
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                            $arg = $this->buildArg($config->list);
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                        }elseif($config->service){
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                            $arg = $this->buildArg($config->service);
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                        }
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                        return $arg;
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                    }
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                    /**
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                     * Builds and modifies an arbitrary service/object instance from a config-obect.
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                     *
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                     * @see XMLContext::doBuild
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                     * @see PEIP\Factory\ServiceFactory::modifyService
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                     * @implements \PEIP\INF\Context\Context
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                     * @access public
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                     * @param object $config configuration array to build a service instance from.
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                     * @param array $arguments arguments for the service constructor
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                | 
                    126
                 | 
                                    
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                 | 
                     * @param string $defaultClass class to create instance for if none is set in config
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                | 
                    127
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                     * @return object build and modified srvice instance
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                | 
                    128
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                     */
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                    129
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                    public static function buildAndModify(array $config, $arguments, $defaultClass = ""){
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                    130
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                 | 
                        if((isset($config["class"]) && "" != (string)$config["class"])  || $defaultClass !== ""){
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                    131
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                             $service = ServiceFactory::doBuild($config, $arguments, $defaultClass);
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                    132
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                        }else{
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                | 
                    133
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                            throw new \RuntimeException('Could not create Service. no class or reference given.');
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                | 
                    134
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                        }
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                | 
                    135
                 | 
                                    
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                 | 
                        if(isset($config["ref_property"])){
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                | 
                    136
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                            $service = $service->{(string)$config["ref_property"]};
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                    137
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                 | 
                        }elseif(isset($config["ref_method"])){
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                    138
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                 | 
                                $args = array();
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                | 
                    139
                 | 
                                    
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                 | 
                            if(isset($config['argument'])){
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                | 
                    140
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                 | 
                                        foreach($config['argument'] as $arg){
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                | 
                    141
                 | 
                                    
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                 | 
                                            $args[] = $this->buildArg($arg);
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                | 
                    142
                 | 
                                    
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                                        }
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                | 
                    143
                 | 
                                    
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                 | 
                                }
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                | 
                    144
                 | 
                                    
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                 | 
                            $service = call_user_func_array(array($service, (string)$config["ref_method"]), $args);
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                | 
                    145
                 | 
                                    
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                 | 
                        }
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                | 
                    146
                 | 
                                    
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                 | 
                        if(!is_object($service)){
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                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                            throw new \RuntimeException('Could not create Service.');
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                | 
                    148
                 | 
                                    
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                 | 
                        }
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                | 
                    149
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                        $service = self::modifyService($service, $config);
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                    150
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                | 
                    151
                 | 
                                    
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                 | 
                        return $service;
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                | 
                    152
                 | 
                                    
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                 | 
                    }
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                | 
                    153
                 | 
                                    
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                 | 
                
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                | 
                    154
                 | 
                                    
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                 | 
                
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                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                    /**
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                     * Modifies a service instance from configuration.
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                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                     *  - Sets properties on the instance.
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                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                     *  -- Calls a public setter method if exists.
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                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                     *  -- Else sets a public property if exists.
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                     *  - Calls methods on the instance.
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                     *  - Registers listeners to events on the instance
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                     *
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                     * @access protected
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                     * @param object $service the service instance to modify
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                     * @param object $config configuration to get the modification instructions from.
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                     * @return object the modificated service
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                     */
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                    protected function modifyService($service, $config){        
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                        $config = is_array($config) ? new \ArrayObject($config) : $config;
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                        // set instance properties
  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    171
                 | 
                                    
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                View Code Duplication | 
                        if(isset($config->property)){
 | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                            foreach($config->property as $property){
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                                $arg = $this->buildArg($property);
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                                if($arg){
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    175
                 | 
                                    
                                                     | 
                
                 | 
                                    $setter = self::getSetter($property);
  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                                    if($setter &&  self::hasPublicProperty($service, 'Method', $setter)){
 | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    177
                 | 
                                    
                                                     | 
                
                 | 
                                        $service->{$setter}($arg);
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    178
                 | 
                                    
                                                     | 
                
                 | 
                                    }elseif(in_array($property, self::hasPublicProperty($service, 'Property', $setter))){
 | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    179
                 | 
                                    
                                                     | 
                
                 | 
                                        $service->$setter = $arg;
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    180
                 | 
                                    
                                                     | 
                
                 | 
                                    }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    181
                 | 
                                    
                                                     | 
                
                 | 
                                }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    182
                 | 
                                    
                                                     | 
                
                 | 
                            }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    183
                 | 
                                    
                                                     | 
                
                 | 
                        }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    184
                 | 
                                    
                                                     | 
                
                 | 
                        // call instance methods
  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    185
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                        if(isset($config->action)){
 | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    186
                 | 
                                    
                                                     | 
                
                 | 
                            foreach($config->action as $action){
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    187
                 | 
                                    
                                                     | 
                
                 | 
                                $method = (string)$action['method'] != '' ? (string)$action['method'] : NULL;
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    188
                 | 
                                    
                                                     | 
                
                 | 
                                if($method && self::hasPublicProperty($service, 'Method', $method)){
 | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                                                                        
                        
                         
                                                                                        
                                                                                            
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    189
                 | 
                                    
                                                     | 
                
                 | 
                                    $args = array();
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    190
                 | 
                                    
                                                     | 
                
                 | 
                                    foreach($action->children() as $argument){
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    191
                 | 
                                    
                                                     | 
                
                 | 
                                        $args[] = $this->buildArg($argument);
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    192
                 | 
                                    
                                                     | 
                
                 | 
                                    }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    193
                 | 
                                    
                                                     | 
                
                 | 
                                    call_user_func_array(array($service, (string)$action['method']), $args);
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    194
                 | 
                                    
                                                     | 
                
                 | 
                                }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    195
                 | 
                                    
                                                     | 
                
                 | 
                            }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    196
                 | 
                                    
                                                     | 
                
                 | 
                        }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    197
                 | 
                                    
                                                     | 
                
                 | 
                        // register instance listeners
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    198
                 | 
                                    
                                                     | 
                
                 | 
                        if($service instanceof \PEIP\INF\Event\Connectable){
 | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    199
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                            if(isset($config->listener)){
 | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    200
                 | 
                                    
                                                     | 
                
                 | 
                                foreach($config->listener as $listenerConf){
 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    201
                 | 
                                    
                                                     | 
                
                 | 
                                    $event = (string)$listenerConf['event'];
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    202
                 | 
                                    
                                                     | 
                
                 | 
                                    $listener = $this->provideService($listenerConf);
  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    203
                 | 
                                    
                                                     | 
                
                 | 
                                    $service->connect($event, $listener);
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    204
                 | 
                                    
                                                     | 
                
                 | 
                                }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    205
                 | 
                                    
                                                     | 
                
                 | 
                            }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    206
                 | 
                                    
                                                     | 
                
                 | 
                        }
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    207
                 | 
                                    
                                                     | 
                
                 | 
                        return $service;
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    208
                 | 
                                    
                                                     | 
                
                 | 
                    } 
  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    209
                 | 
                                    
                                                     | 
                
                 | 
                }
  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    210
                 | 
                                    
                                                     | 
                
                 | 
                
  | 
            
            
                                                        
            
                                    
            
            
                | 
                    211
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: