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;
    }
}