init

include/resource/ResourceManager.php

@@ -0,0 +1,153 @@
+<?php
+/*********************************************************************************
+ * SugarCRM is a customer relationship management program developed by
+ * SugarCRM, Inc. Copyright (C) 2004-2010 SugarCRM Inc.
+ * 
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Affero General Public License version 3 as published by the
+ * Free Software Foundation with the addition of the following permission added
+ * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
+ * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
+ * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
+ * details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License along with
+ * this program; if not, see http://www.gnu.org/licenses or write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA.
+ * 
+ * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
+ * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
+ * 
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ * 
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "Powered by
+ * SugarCRM" logo. If the display of the logo is not reasonably feasible for
+ * technical reasons, the Appropriate Legal Notices must display the words
+ * "Powered by SugarCRM".
+ ********************************************************************************/
+
+/**
+ * ResourceManager.php
+ * This class is responsible for resource management of SQL queries, file usage, etc.
+ */
+class ResourceManager {
+
+private static $instance;
+private $_observers = array();
+
+/**
+ * The constructor; declared as private
+ */
+private function ResourceManager() {
+	
+}
+
+/**
+ * getInstance
+ * Singleton method to return static instance of ResourceManager
+ * @return The static singleton ResourceManager instance
+ */
+static public function getInstance(){	
+    if (!isset(self::$instance)) {
+        self::$instance = new ResourceManager();
+    } // if
+    return self::$instance;
+}
+
+/**
+ * setup
+ * Handles determining the appropriate setup based on client type.
+ * It will create a SoapResourceObserver instance if the $module parameter is set to 
+ * 'Soap'; otherwise, it will try to create a WebResourceObserver instance.
+ * @param $module The module value used to create the corresponding observer
+ * @return boolean value indicating whether or not an observer was successfully setup
+ */
+public function setup($module) {
+	//Check if config.php exists
+	if(!file_exists('config.php') || empty($module)) {
+	   return false;	
+	}
+    
+    if($module == 'Soap') {
+      require_once('include/resource/Observers/SoapResourceObserver.php');
+      $observer = new SoapResourceObserver('Soap');      	
+    } else {
+      require_once('include/resource/Observers/WebResourceObserver.php');
+      $observer = new WebResourceObserver($module);    	
+    }
+    
+	//Load config
+	if(!empty($observer->module)) {
+		$limit = 0;
+		
+		if(isset($GLOBALS['sugar_config']['resource_management'])) {
+			   $res = $GLOBALS['sugar_config']['resource_management'];
+			if(!empty($res['special_query_modules']) && 
+			   in_array($observer->module, $res['special_query_modules']) &&
+			   !empty($res['special_query_limit']) &&
+			   is_int($res['special_query_limit']) &&
+			   $res['special_query_limit'] > 0) {
+			   $limit = $res['special_query_limit'];
+			} else if(!empty($res['default_limit']) && is_int($res['default_limit']) && $res['default_limit'] > 0) {
+			   $limit = $res['default_limit'];
+			}
+		} //if
+		
+		if($limit) {
+		   
+		   $db = DBManagerFactory::getInstance();			
+		   $db->setQueryLimit($limit);
+		   $observer->setLimit($limit);
+		   $this->_observers[] = $observer;
+		}
+		return true;
+	} 
+	
+	return false;
+}
+
+/**
+ * notifyObservers
+ * This method notifies the registered observers with the provided message.
+ * @param $msg Message from language file to notify observers with
+ */
+public function notifyObservers($msg) {
+	
+	if(empty($this->_observers)) {
+	   return;	
+	}
+
+    //Notify observers limit has been reached
+    if(empty($GLOBALS['app_strings'])) {
+       $GLOBALS['app_strings'] = return_application_language($GLOBALS['current_language']);	
+    }
+    $limitMsg = $GLOBALS['app_strings'][$msg];
+    foreach( $this->_observers as $observer) {
+	    $limit = $observer->limit;
+	    $module = $observer->module;
+	    eval("\$limitMsg = \"$limitMsg\";");
+	    $GLOBALS['log']->fatal($limitMsg);
+	    $observer->notify($limitMsg);
+    }		
+}
+
+
+/*
+ * getObservers
+ * Returns the observer instances that have been setup for the ResourceManager instance
+ * @return Array of ResourceObserver(s)
+ */
+function getObservers() {
+    return $this->_observers;
+}
+	
+}
+?>