portal/patient/fwk/libs/verysimple/DB/Reflection/DBEventHandler.php

   1 <?php
   2 /** @package    verysimple::DB::Reflection */
   3
   4 /**
   5  * import supporting libraries
   6  */
   7 require_once('verysimple/DB/DatabaseException.php');
   8
   9 define("DBH_LOG_NONE", 1);
  10 define("DBH_LOG_INFO", 2);
  11 define("DBH_LOG_DEBUG", 4);
  12 define("DBH_LOG_QUERY", 8);
  13 define("DBH_LOG_WARNING", 16);
  14 define("DBH_LOG_ERROR", 32);
  15
  16 /**
  17  * DBEventHandler is an optional parameter that can be used to hook into events in the
  18  * DAO system for intercepting, debugging and observing
  19  *
  20  * @package verysimple::DB::Reflection
  21  * @author Jason Hinkle
  22  * @copyright 1997-2007 VerySimple, Inc.
  23  * @license http://www.gnu.org/licenses/lgpl.html LGPL
  24  * @version 1.0
  25  */
  26 class DBEventHandler
  27 {
  28     public $LogLevel;
  29     function __construct($level = DBH_LOG_NONE)
  30     {
  31         $this->LogLevel = $level;
  32     }
  33
  34     /**
  35      * Called by DB objects to report logging information
  36      *
  37      * @access public
  38      * @param int $level
  39      * @param string $message
  40      * @param string $data
  41      */
  42     function Log($level, $message, $data = "")
  43     {
  44         $data = $data != "" ? ": $data" : "";
  45         switch ($level) {
  46             case DBH_LOG_DEBUG:
  47                 if ($this->LogLevel & DBH_LOG_DEBUG) {
  48                     print "<pre style='color: silver;'>$message</pre>\r\n";
  49                 }
  50                 break;
  51             case DBH_LOG_INFO:
  52                 if ($this->LogLevel & DBH_LOG_INFO) {
  53                     print "<pre style='color: blue;'>$message $data</pre>\r\n";
  54                 }
  55                 break;
  56             case DBH_LOG_QUERY:
  57                 if ($this->LogLevel & DBH_LOG_QUERY) {
  58                     print "<pre style='color: green;'>$message $data</pre>\r\n";
  59                 }
  60                 break;
  61             case DBH_LOG_WARNING:
  62                 if ($this->LogLevel & DBH_LOG_WARNING) {
  63                     print "<pre style='color: orange;'>$message $data</pre>\r\n";
  64                 }
  65                 break;
  66             case DBH_LOG_ERROR:
  67                 if ($this->LogLevel & DBH_LOG_ERROR) {
  68                     print "<pre style='color: red;'>$message $data</pre>\r\n";
  69                 }
  70                 break;
  71         }
  72     }
  73
  74     /**
  75      * Called by DB objects when a critical error occurs
  76      *
  77      * @access public
  78      * @param int $code
  79      *          unique numerical identifier for error
  80      * @param string $message
  81      *          human-readable error
  82      * @param string $data
  83      *          any additional information that may help with debugging
  84      */
  85     function Crash($code, $message = "", $data = "")
  86     {
  87         throw new DatabaseException($message, $code, $data);
  88     }
  89 }