1<?php 2 3/* 4 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 5 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 6 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 7 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 8 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 9 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 10 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 11 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 12 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 13 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 14 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 15 * 16 * This software consists of voluntary contributions made by many individuals 17 * and is licensed under the MIT license. For more information, see 18 * <http://www.doctrine-project.org>. 19 */ 20 21namespace Doctrine\ORM\Cache; 22 23/** 24 * Defines entity / collection / query key to be stored in the cache region. 25 * Allows multiple roles to be stored in the same cache region. 26 * 27 * @since 2.5 28 * @author Fabio B. Silva <fabio.bat.silva@gmail.com> 29 */ 30abstract class CacheKey 31{ 32 /** 33 * READ-ONLY: Public only for performance reasons, it should be considered immutable. 34 * 35 * @var string Unique identifier 36 */ 37 public $hash; 38} 39