/**
  * function to delete batch entry
  *
  * @param int $batchId batch id
  *
  * @return void
  * @access public
  */
 static function deleteBatch($batchId)
 {
     //delete batch entries from cache
     $cacheKeyString = CRM_Core_BAO_Batch::getCacheKeyForBatch($batchId);
     CRM_Core_BAO_Cache::deleteGroup('batch entry', $cacheKeyString, FALSE);
     // delete entry from batch table
     $batch = new CRM_Core_DAO_Batch();
     $batch->id = $batchId;
     $batch->delete();
 }
 /**
  * returns the list of fields that can be exported
  *
  * @access public
  * return array
  * @static
  */
 static function &export($prefix = false)
 {
     if (!self::$_export) {
         self::$_export = array();
         $fields = self::fields();
         foreach ($fields as $name => $field) {
             if (CRM_Utils_Array::value('export', $field)) {
                 if ($prefix) {
                     self::$_export['batch'] =& $fields[$name];
                 } else {
                     self::$_export[$name] =& $fields[$name];
                 }
             }
         }
     }
     return self::$_export;
 }