class.ilADTGroupDBBridge.php

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<?php

require_once "Services/ADT/classes/Bridges/class.ilADTDBBridge.php";

class ilADTGroupDBBridge extends ilADTDBBridge
{                       
        protected $elements; // [array]
        
        protected function isValidADT(ilADT $a_adt) 
        {
                return ($a_adt instanceof ilADTGroup);
        }
        
        
        // elements
        
        protected function prepareElements()
        {               
                if(sizeof($this->elements))
                {
                        return;
                }
                
                $this->elements = array();
                $factory = ilADTFactory::getInstance();
                
                // convert ADTs to DB bridges
                
                foreach($this->getADT()->getElements() as $name => $element)
                {
                        $this->elements[$name] = $factory->getDBBridgeForInstance($element);
                        $this->elements[$name]->setElementId($name);
                        $this->elements[$name]->setTable($this->getTable());
                        $this->elements[$name]->setPrimary($this->getPrimary());
                }                       
        }
        
        public function getElements()
        {
                $this->prepareElements();
                return $this->elements;
        }

        public function getElement($a_element_id)
        {
                if(array_key_exists($a_element_id, $this->getElements()))
                {
                        return $this->elements[$a_element_id];
                }
        }
        
        
        // properties
        
        public function setTable($a_table)
        {
                parent::setTable($a_table);
                
                if(sizeof($this->elements))
                {
                        foreach(array_keys($this->getADT()->getElements()) as $name)
                        {
                                $this->elements[$name]->setTable($this->getTable());
                        }
                }
        }
        
        public function setPrimary(array $a_value)
        {
                parent::setPrimary($a_value);
                
                if(sizeof($this->elements))
                {
                        foreach(array_keys($this->getADT()->getElements()) as $name)
                        {
                                $this->elements[$name]->setPrimary($this->getPrimary());
                        }
                }
        }
        
        
        // CRUD
        
        public function readRecord(array $a_row)
        {
                foreach($this->getElements() as $element)
                {
                        $element->readRecord($a_row);
                }
        }       
        
        public function prepareInsert(array &$a_fields)
        {               
                foreach($this->getElements() as $element)
                {
                        $element->prepareInsert($a_fields);
                }               
        }       

        public function afterInsert()
        {
                foreach($this->getElements() as $element)
                {
                        $element->afterInsert();
                }       
        }
        
        public function afterUpdate()
        {
                foreach($this->getElements() as $element)
                {
                        $element->afterUpdate();
                }       
        }

        public function afterDelete()
        {
                foreach($this->getElements() as $element)
                {
                        $element->afterDelete();
                }       
        }
}

?>