Creating modular wordpress page templates with classes

ThemeClass

<?php

/**
 * themes class
 * included on page templates by use of
 * a template redirect hook
 */
class ThemeClass
{
    protected $data;
    public function __construct($init)
    {
        $this->data = $init;
        $this->type = $init["type"];
        $this->prefix = $init["prefix"];
        $this->taxonomy=$init["taxonomy"];
        $this->table_id=$init["table_id"];
      }
    public function getData()
    {
        $type = $this->type;
        $prefix = $this->prefix;
        $taxonomy=$this->taxonomy;
        $table_id=$this->table_id;
        $args = array('post_type' => $type, 'post_status' => 'publish', 'posts_per_page' => -1, 'ignore_sticky_posts' => 1);
        // The Query
        $prefix = $prefix;
        $query1 = new WP_Query($args);
        // The Loop
        while ($query1->have_posts()) {
            //**code**/
            //loop logic
        }
        wp_reset_postdata();
        }
    public function themeLogic(){
      /**code**/
    }
}