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Diffstat (limited to 'phpBB/phpbb/cron/task/wrapper.php')
-rw-r--r--phpBB/phpbb/cron/task/wrapper.php108
1 files changed, 108 insertions, 0 deletions
diff --git a/phpBB/phpbb/cron/task/wrapper.php b/phpBB/phpbb/cron/task/wrapper.php
new file mode 100644
index 0000000000..386fb5b383
--- /dev/null
+++ b/phpBB/phpbb/cron/task/wrapper.php
@@ -0,0 +1,108 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2010 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+ exit;
+}
+
+/**
+* Cron task wrapper class.
+* Enhances cron tasks with convenience methods that work identically for all tasks.
+*
+* @package phpBB3
+*/
+class phpbb_cron_task_wrapper
+{
+ protected $task;
+ protected $phpbb_root_path;
+ protected $php_ext;
+
+ /**
+ * Constructor.
+ *
+ * Wraps a task $task, which must implement cron_task interface.
+ *
+ * @param phpbb_cron_task $task The cron task to wrap.
+ */
+ public function __construct(phpbb_cron_task $task, $phpbb_root_path, $php_ext)
+ {
+ $this->task = $task;
+ $this->phpbb_root_path = $phpbb_root_path;
+ $this->php_ext = $php_ext;
+ }
+
+ /**
+ * Returns whether the wrapped task is parametrised.
+ *
+ * Parametrized tasks accept parameters during initialization and must
+ * normally be scheduled with parameters.
+ *
+ * @return bool Whether or not this task is parametrized.
+ */
+ public function is_parametrized()
+ {
+ return $this->task instanceof phpbb_cron_task_parametrized;
+ }
+
+ /**
+ * Returns whether the wrapped task is ready to run.
+ *
+ * A task is ready to run when it is runnable according to current configuration
+ * and enough time has passed since it was last run.
+ *
+ * @return bool Whether the wrapped task is ready to run.
+ */
+ public function is_ready()
+ {
+ return $this->task->is_runnable() && $this->task->should_run();
+ }
+
+ /**
+ * Returns a url through which this task may be invoked via web.
+ *
+ * When system cron is not in use, running a cron task is accomplished
+ * by outputting an image with the url returned by this function as
+ * source.
+ *
+ * @return string URL through which this task may be invoked.
+ */
+ public function get_url()
+ {
+ $name = $this->get_name();
+ if ($this->is_parametrized())
+ {
+ $params = $this->task->get_parameters();
+ $extra = '';
+ foreach ($params as $key => $value)
+ {
+ $extra .= '&amp;' . $key . '=' . urlencode($value);
+ }
+ }
+ else
+ {
+ $extra = '';
+ }
+ $url = append_sid($this->phpbb_root_path . 'cron.' . $this->php_ext, 'cron_type=' . $name . $extra);
+ return $url;
+ }
+
+ /**
+ * Forwards all other method calls to the wrapped task implementation.
+ *
+ * @return mixed
+ */
+ public function __call($name, $args)
+ {
+ return call_user_func_array(array($this->task, $name), $args);
+ }
+}