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OCI8IdGenerator.php

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<?php
/*
 *  $Id: OCI8IdGenerator.php,v 1.1 2004/05/09 21:25:05 micha Exp $
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information please see
 * <http://creole.phpdb.org>.
 */
 
require_once 'creole/IdGenerator.php';

class OCI8IdGenerator extends IdGenerator 
{
  var $conn;

  function OCI8IdGenerator(/*Connection*/ $conn)
  {
    if (! is_a($conn, 'Connection')) {
      trigger_error(
        "OCI8IdGenerator::OCI8IdGenerator(): parameter 1 not of type 'Connection' !",
        E_USER_ERROR
      );
    }

    $this->conn =& $conn;
  }
  
  function isBeforeInsert()
  {
    return true;
  }    
  
  function isAfterInsert()
  {
    return false;
  }
      
  function getIdMethod()
  {
    return IdGenerator::SEQUENCE();
  }
  
  function getId($name = null)
  {
    if ($name === null) {
      return new SQLException(CREOLE_ERROR, "You must specify the sequence name when calling getId() method.");
    }
    $rs = $this->conn->executeQuery("select " . $name . ".nextval from dual", ResultSet::FETCHMODE_NUM());
    if (Creole::isError($rs)) { return $rs; }
    $rs->next();
    return $rs->getInt(1);
  }
  
}

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This file is part of the Creole[php4] library.