From ef4b74960718bd492dc8f2e49f61ff9d3e5bd10a Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Thu, 4 Dec 2014 01:15:40 +0100
Subject: ReadTransaction to read stuff.

---
 store/database.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'store/database.h')

diff --git a/store/database.h b/store/database.h
index 999a89e..ab398a4 100644
--- a/store/database.h
+++ b/store/database.h
@@ -18,3 +18,21 @@ private:
     MDB_env *env;
     MDB_dbi dbi;
 };
+
+/*
+ * This opens the db for a single read transaction.
+ *
+ * The lifetime of all read values is tied to this transaction.
+ */
+class ReadTransaction {
+public:
+    ReadTransaction(const QString &path);
+    ~ReadTransaction();
+
+    void read(const std::string &sKey, const std::function<void(void *ptr, int size)> &);
+
+private:
+    MDB_env *env;
+    MDB_dbi dbi;
+    MDB_txn *txn;
+};
-- 
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