<?php
/*
* This file is part of SwiftMailer.
* (c) 2004-2009 Chris Corbyn
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* A null KeyCache that does not cache at all.
*
* @author Chris Corbyn
*/
class Swift_KeyCache_NullKeyCache implements Swift_KeyCache
{
/**
* Set a string into the cache under $itemKey for the namespace $nsKey.
*
* @see MODE_WRITE, MODE_APPEND
*
* @param string $nsKey
* @param string $itemKey
* @param string $string
* @param int $mode
*/
public function setString($nsKey, $itemKey, $string, $mode)
{
}
/**
* Set a ByteStream into the cache under $itemKey for the namespace $nsKey.
*
* @see MODE_WRITE, MODE_APPEND
*
* @param string $nsKey
* @param string $itemKey
* @param int $mode
*/
public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os, $mode)
{
}
/**
* Provides a ByteStream which when written to, writes data to $itemKey.
*
* NOTE: The stream will always write in append mode.
*
* @param string $nsKey
* @param string $itemKey
*
* @return Swift_InputByteStream
*/
public function getInputByteStream($nsKey, $itemKey, Swift_InputByteStream $writeThrough = null)
{
}
/**
* Get data back out of the cache as a string.
*
* @param string $nsKey
* @param string $itemKey
*
* @return string
*/
public function getString($nsKey, $itemKey)
{
}
/**
* Get data back out of the cache as a ByteStream.
*
* @param string $nsKey
* @param string $itemKey
* @param Swift_InputByteStream $is to write the data to
*/
public function exportToByteStream($nsKey, $itemKey, Swift_InputByteStream $is)
{
}
/**
* Check if the given $itemKey exists in the namespace $nsKey.
*
* @param string $nsKey
* @param string $itemKey
*
* @return bool
*/
public function hasKey($nsKey, $itemKey)
{
return false;
}
/**
* Clear data for $itemKey in the namespace $nsKey if it exists.
*
* @param string $nsKey
* @param string $itemKey
*/
public function clearKey($nsKey, $itemKey)
{
}
/**
* Clear all data in the namespace $nsKey if it exists.
*
* @param string $nsKey
*/
public function clearAll($nsKey)
{
}
}