<?php

class Database_IdGenerator {
    private $db;

    function __construct(Database $db) {
        $this->db = $db;
    }

    function isBeforeInsert() {
        return false;        
    } 

    function isAfterInsert() {
        return true;        
    }
    
    function getId($seq) {
        if ($this->db->isPostgres()) {
            $result = $this->db->fetchOneArray("SELECT nextval('$seq') AS nextval");
        } else {
            $result = $this->db->fetchOneArray("SELECT last_insert_rowid() AS nextval");
        }        
        return intval($result['nextval']);
    }
}