5 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
6 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
7 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
8 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
9 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
10 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
11 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
12 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
13 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
14 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
15 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
17 * This software consists of voluntary contributions made by many individuals
18 * and is licensed under the MIT license. For more information, see
19 * <http://www.doctrine-project.org>.
22 namespace Doctrine\Common;
25 * Contract for classes that are potential listeners of a <tt>NotifyPropertyChanged</tt>
28 * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
29 * @link www.doctrine-project.org
31 * @version $Revision: 3938 $
32 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
33 * @author Jonathan Wage <jonwage@gmail.com>
34 * @author Roman Borschel <roman@code-factory.org>
36 interface PropertyChangedListener
39 * Notifies the listener of a property change.
41 * @param object $sender The object on which the property changed.
42 * @param string $propertyName The name of the property that changed.
43 * @param mixed $oldValue The old value of the property that changed.
44 * @param mixed $newValue The new value of the property that changed.
46 function propertyChanged($sender, $propertyName, $oldValue, $newValue);