<?php

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 * Description of DatabaseInterface
 * Initializes all the connectors, serves as only entrance and exit point
 * for the frontend
 * @author jkraaijeveld
 */
class DatabaseInterface {
    
    /**
     * Constructor for the DatabaseInterface class
     */
    private $applicationConnector;
    private $questionConnector;
    private $userConnector;
    private $surveyConnector;
    private $respondentConnector;
	private $answerConnector;
	private $answerSetConnector;
	private $sessionConnector;
    
    /**
     * Constructor for DatabaseInterface.
     * Initializes all the connectors.
     */
    public function __construct() {
        $this->applicationConnector = new ApplicationConnector();
        $this->questionConnector = new QuestionConnector();
        $this->userConnector = new UserConnector();
        $this->surveyConnector = new SurveyConnector();
        $this->respondentConnector = new RespondentConnector();
		$this->answerConnector = new AnswerConnector();
		$this->answerSetConnector = new AnswerSetConnector();
		$this->sessionConnector = new SessionConnector();
    }
    
    /**
     * Get the data corresponding to the given type and arguments
     * @param type $type
     * @param type $arguments
     * @return type 
     */
    public function get($type, $arguments)
    {
        switch(strtolower($type))
        {
            case "application":
                return $this->applicationConnector->get($arguments);
                break;
            case "question":
                return $this->questionConnector->get($arguments);
                break;
            case "user":
                return $this->userConnector->get($arguments);
                break;
            case "survey":
                return $this->surveyConnector->get($arguments);
                break;
            case "respondent":
                return $this->respondentConnector->get($arguments);
                break;
            case "answer":
                return $this->answerConnector->get($arguments);
				break;
			case "answerset":
				return $this->answerSetConnector->get($arguments);
			case "session":
				return $this->sessionConnector->get($arguments);

        }
    }
	
    /**
     * Saves the given object based on its class.
     * @param type $rToolObject 
     */
    public function set($rToolObject)
    {
        switch(get_class($rToolObject))
        {
            case "Application":
                $this->applicationConnector->set($rToolObject);
                break;
            case "Question":
                $this->questionConnector->set($rToolObject);
                break;
            case "User":
                $this->userConnector->set($rToolObject);
                break;
            case "Survey":
				$this->surveyConnector->set($rToolObject);
				break;
            case "Respondent":
				$this->respondentConnector->set($rToolObject);
				break;
            case "Answer":
				$this->answerConnector->set($rToolObject);
				break;
			case "AnswerSet":
				$this->answerSetConnector->set($rToolObject);
				break;
			case "Session":
				$this->sessionConnector->set($rToolObject);
				break;

        }
    }
    
    /**
     * Saves all the objects in the given array, assuming they are 
     * valid ResearchToolObjects.
     * @param type $rToolObjects 
     */
    public function batchSet($rToolObjects)
    {
        foreach ($rToolObjects as $rToolObject)
        {
            $this->set($rToolObject);
        }
    }

	
}

?>