<?php

class ContractLink extends mfBaseModel {
  private $contract;
  private $origin;
  
  public function getProperty($name) {
    if($this->$name == null) {
      
      if(!$this->id) {
        return null;
      }
      
      if($name == "origin") {
        $this->origin = mfValuecache::singleton()->get("mfObjectmodel-Contract-".$this->origin_contract_id);
        if($this->origin === null) {
          $this->origin = new Contract($this->origin_contract_id);
          if($this->origin->id) {
            mfValuecache::singleton()->set("mfObjectmodel-Contract-".$this->id, $this->origin);
          }
        }
        return $this->origin;
      }
      
      if($name == "creator") {
        $this->creator = mfValuecache::singleton()->get("Worker-id-".$this->create_by);
        if($this->creator === null) {
          $this->creator = new User($this->create_by);
          if($this->creator->id) {
            mfValuecache::singleton()->set("Worker-id-".$this->create_by, $this->creator);
          }
        }
        return $this->creator;
      }
      
      if($name == "editor") {
        $this->editor = mfValuecache::singleton()->get("Worker-id-".$this->edit_by);
        if($this->editor === null) {
          $this->editor = new User($this->edit_by);
          if($this->editor->id) {
            mfValuecache::singleton()->set("Worker-id-".$this->edit_by, $this->editor);
          }
        }
        return $this->editor;
      }
      
      
      
      $classname = ucfirst($name);
      $idfield = $name."_id";
      $this->$name = mfValuecache::singleton()->get("mfObjectmodel-$name-".$this->$idfield);
      if(!$this->$name) {
        $this->$name = new $classname($this->$idfield);
      }
      
      
      
      if($this->$name->id) {
        mfValuecache::singleton()->set("mfObjectmodel-$name-".$this->$name->id, $this->$name);
        return $this->$name;
      } else {
        return null;
      }
      
    }
    
    return $this->$name;
  }
}