class.ilADTDBBridge.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

abstract class ilADTDBBridge
{
        protected $adt; // [ilADT]
        protected $table; // [string]
        protected $id; // [string]
        protected $primary; // [array]
        
        public function __construct(ilADT $a_adt)
        {               
                $this->setADT($a_adt);
        }       
        
        //
        // properties
        //
        
        abstract protected function isValidADT(ilADT $a_adt);
        
        protected function setADT(ilADT $a_adt)
        {
                if(!$this->isValidADT($a_adt))
                {
                        throw new Exception('ADTDBBridge Type mismatch.');
                }
                
                $this->adt = $a_adt;                            
        }
        
        public function getADT()
        {
                return $this->adt;
        }
        
        public function setTable($a_table)
        {
                $this->table = (string)$a_table;
        }
        
        public function getTable()
        {
                return $this->table;
        }
        
        public function setElementId($a_value)
        {
                $this->id = (string)$a_value;
        }
        
        public function getElementId()
        {
                return $this->id;
        }
        
        public function setPrimary(array $a_value)
        {
                $this->primary = $a_value;
        }
        
        public function getPrimary()
        {
                return $this->primary;
        }
        
        public function buildPrimaryWhere()
        {
                global $ilDB;
                                
                $sql = array();
                
                foreach($this->primary as $field => $def)
                {
                        $sql[] = $field."=".$ilDB->quote($def[1], $def[0]);
                }
                
                return implode(" AND ", $sql);
        }
        
        
        //
        // CRUD
        //
        
        abstract public function readRecord(array $a_row);
        
        abstract public function prepareInsert(array &$a_fields);
        
        public function afterInsert()
        {
                
        }
        
        public function prepareUpdate(array &$a_fields)
        {
                $this->prepareInsert($a_fields);
        }
        
        public function afterUpdate()
        {
                
        }

        public function afterDelete()
        {
                
        }
}

?>