class.ilStaticMethodCallActivity.php

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<?php
/* Copyright (c) 1998-2016 ILIAS open source, Extended GPL, see docs/LICENSE */
 
require_once './Services/WorkflowEngine/interfaces/ilActivity.php';
require_once './Services/WorkflowEngine/interfaces/ilNode.php';
 
class ilStaticMethodCallActivity implements ilActivity, ilWorkflowEngineElement
{
        private $context;
 
        private $include_file = '';
 
        private $class_and_method_name = '';
 
        private $parameters;
 
        private $outputs;
 
        protected $name;
 
        public function __construct(ilNode $context)
        {
                $this->context = $context;
        }
 
        public function setIncludeFilename($filename)
        {
                $this->include_file = $filename;
        }
 
        public function getIncludeFilename()
        {
                return $this->include_file;
        }
 
        /***
         * Sets the class- and methodname of the method to be called.
         * E.g. ilPonyStable::getPony 
         * 
         * @see $method_name
         * 
         * @param string $name Classname::Methodname.
         *
         * @return void
         */
        public function setClassAndMethodName($name)
        {
                $this->class_and_method_name = $name;
        }
 
        public function getClassAndMethodName()
        {
                return $this->class_and_method_name;
        }
 
        public function setParameters($params)
        {
                $this->parameters = $params;
        }
 
        public function getParameters()
        {
                return $this->parameters;
        }
 
        public function getOutputs()
        {
                return $this->outputs;
        }
 
        public function setOutputs($outputs)
        {
                $this->outputs = $outputs;
        }
 
        public function execute()
        {
                require_once './' . $this->include_file;
                $name = explode('::', $this->class_and_method_name);
 
                $list = (array)$this->context->getContext()->getInstanceVars();
                $params = array();
                foreach($this->parameters as $key => $parameter)
                {
                        $set = false;
                        foreach($list as $instance_var)
                        {
                                if($instance_var['id'] == $parameter)
                                {
                                        $set = true;
                                        $role = $instance_var['role'];
                                        if($instance_var['reference'] == true)
                                        {
                                                foreach($list as $definitions)
                                                {
                                                        if($definitions['id'] == $instance_var['target'])
                                                        {
                                                                $role = $definitions['role'];
                                                        }
                                                }
                                        }
                                        $params[$role] = $this->context->getContext()->getInstanceVarById($parameter);
                                }
                        }
                        if(!$set)
                        {
                                $params[$parameter] = $parameter;
                                $params[$key]       = $parameter;
                        }
                }
 
                $return_value = call_user_func_array(
                        array($name[0], $name[1]), 
                        array($this, array($params, $this->outputs))
                );
                foreach((array) $return_value as $key => $value)
                {
                        $this->context->getContext()->setInstanceVarById($key, $value);
                }
        }
 
        public function getContext()
        {
                return $this->context;
        }
 
        public function setName($name)
        {
                $this->name = $name;
        }
 
        public function getName()
        {
                return $this->name;
        }
}