1 files changed, 37 insertions, 0 deletions
diff --git a/modules/monitoring/library/Monitoring/Hook/TimelineProviderHook.php b/modules/monitoring/library/Monitoring/Hook/TimelineProviderHook.php
new file mode 100644
index 0000000..d302d12
--- /dev/null
+++ b/modules/monitoring/library/Monitoring/Hook/TimelineProviderHook.php
@@ -0,0 +1,37 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Module\Monitoring\Hook;
+
+use Icinga\Module\Monitoring\Timeline\TimeRange;
+
+/**
+ * Base class for TimeLine providers
+ */
+abstract class TimelineProviderHook
+{
+    /**
+     * Return the names by which to group entries
+     *
+     * @return  array   An array with the names as keys and their attribute-lists as values
+     */
+    abstract public function getIdentifiers();
+
+    /**
+     * Return the visible entries supposed to be shown on the timeline
+     *
+     * @param   TimeRange   $range      The range of time for which to fetch entries
+     *
+     * @return  array                   The entries to display on the timeline
+     */
+    abstract public function fetchEntries(TimeRange $range);
+
+    /**
+     * Return the entries supposed to be used to calculate forecasts
+     *
+     * @param   TimeRange   $range      The range of time for which to fetch forecasts
+     *
+     * @return  array                   The entries to calculate forecasts with
+     */
+    abstract public function fetchForecasts(TimeRange $range);
+}