diff options
Diffstat (limited to 'framework/Util/IInstanceCheck.php')
-rw-r--r-- | framework/Util/IInstanceCheck.php | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/framework/Util/IInstanceCheck.php b/framework/Util/IInstanceCheck.php new file mode 100644 index 00000000..76c91f7f --- /dev/null +++ b/framework/Util/IInstanceCheck.php @@ -0,0 +1,40 @@ +<?php +/** + * TComponent, TPropertyValue classes + * + * @author Qiang Xue <qiang.xue@gmail.com> + * + * Global Events, intra-object events, Class behaviors, expanded behaviors + * @author Brad Anderson <javalizard@mac.com> + * + * @link http://www.pradosoft.com/ + * @copyright Copyright © 2005-2014 PradoSoft + * @license http://www.pradosoft.com/license/ + * @package Prado\Util + */ + +namespace Prado\Util; + +/** + * IInstanceCheck This interface allows objects to determine their own + * 'instanceof' results when {@link TComponent::isa} is called. This is + * important with behaviors because behaviors may want to look like + * particular objects other than themselves. + * + * @author Brad Anderson <javalizard@mac.com> + * @package Prado\Util + * @since 3.2.3 + */ +interface IInstanceCheck { + /** + * The method checks $this or, if needed, the parameter $instance is of type + * class. In the case of a Class Behavior, the instance to which the behavior + * is attached may be important to determine if $this is an instance + * of a particular class. + * @param class|string the component that this behavior is checking if it is an instanceof. + * @param object the object which the behavior is attached to. default: null + * @return boolean|null if the this or the instance is of type class. When null, no information could be derived and + * the default mechanisms take over. + */ + public function isinstanceof($class,$instance=null); +}
\ No newline at end of file |