One class per file: framework/Caching/

1 files changed, 43 insertions, 0 deletions

diff --git a/framework/Caching/TCacheDependency.php b/framework/Caching/TCacheDependency.php
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+<?php
+/**
+ * TCache and cache dependency classes.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @package System.Caching
+ */
+
+
+/**
+ * TCacheDependency class.
+ *
+ * TCacheDependency is the base class implementing {@link ICacheDependency} interface.
+ * Descendant classes must implement {@link getHasChanged()} to provide
+ * actual dependency checking logic.
+ *
+ * The property value of {@link getHasChanged HasChanged} tells whether
+ * the dependency is changed or not.
+ *
+ * You may disable the dependency checking by setting {@link setEnabled Enabled}
+ * to false.
+ *
+ * Note, since the dependency objects often need to be serialized so that
+ * they can persist across requests, you may need to implement __sleep() and
+ * __wakeup() if the dependency objects contain resource handles which are
+ * not serializable.
+ *
+ * Currently, the following dependency classes are provided in the PRADO release:
+ * - {@link TFileCacheDependency}: checks whether a file is changed or not
+ * - {@link TDirectoryCacheDependency}: checks whether a directory is changed or not
+ * - {@link TGlobalStateCacheDependency}: checks whether a global state is changed or not
+ * - {@link TChainedCacheDependency}: checks whether any of a list of dependencies is changed or not
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @package System.Caching
+ * @since 3.1.0
+ */
+abstract class TCacheDependency extends TComponent implements ICacheDependency
+{
+}
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