From c064e8d62f0d2b46159570f21708c2546970718d Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Fri, 22 Nov 2013 00:35:29 +0100
Subject: DatabasePlugin: add method GetUpdateStamp()

Refactor SimpleDatabase::GetLastModified() to be generic for all
plugins.  Remove the SimpleDatabase assumption from db_stats_print(),
allowing it to be implemented by all database plugins.
---
 src/DatabasePlugin.hxx | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/DatabasePlugin.hxx')

diff --git a/src/DatabasePlugin.hxx b/src/DatabasePlugin.hxx
index 629dff329..ccf899389 100644
--- a/src/DatabasePlugin.hxx
+++ b/src/DatabasePlugin.hxx
@@ -30,6 +30,8 @@
 #include "tag/TagType.h"
 #include "Compiler.h"
 
+#include <time.h>
+
 struct config_param;
 struct DatabaseSelection;
 struct db_visitor;
@@ -132,6 +134,13 @@ public:
 	virtual bool GetStats(const DatabaseSelection &selection,
 			      DatabaseStats &stats,
 			      Error &error) const = 0;
+
+	/**
+	 * Returns the time stamp of the last database update.
+	 * Returns 0 if that is not not known/available.
+	 */
+	gcc_pure
+	virtual time_t GetUpdateStamp() const = 0;
 };
 
 struct DatabasePlugin {
-- 
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