Move nodestore to its own module

src/ripple/nodestore/backend/NullFactory.cpp

@@ -0,0 +1,98 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2012, 2013 Ripple Labs Inc.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+namespace ripple {
+namespace NodeStore {
+
+class NullBackend : public Backend
+{
+public:
+    NullBackend ()
+    {
+    }
+
+    ~NullBackend ()
+    {
+    }
+
+    std::string
+    getName()
+    {
+        return std::string ();
+    }
+
+    Status 
+    fetch (void const*, NodeObject::Ptr*)
+    {
+        return notFound;
+    }
+    
+    void
+    store (NodeObject::ref object)
+    {
+    }
+    
+    void
+    storeBatch (Batch const& batch)
+    {
+    }
+
+    void
+    for_each (std::function <void(NodeObject::Ptr)> f)
+    {
+    }
+
+    int
+    getWriteLoad ()
+    {
+        return 0;
+    }
+
+private:
+};
+
+//------------------------------------------------------------------------------
+
+class NullFactory : public Factory
+{
+public:
+    beast::String getName () const
+    {
+        return "none";
+    }
+
+    std::unique_ptr <Backend>
+    createInstance (
+        size_t,
+        Parameters const&,
+        Scheduler&, beast::Journal)
+    {
+        return std::make_unique <NullBackend> ();
+    }
+};
+
+//------------------------------------------------------------------------------
+
+std::unique_ptr <Factory> make_NullFactory ()
+{
+    return std::make_unique <NullFactory> ();
+}
+
+}
+}