Rearrange sources (#4997)

include/xrpl/beast/insight/Groups.h

@@ -0,0 +1,58 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of Beast: https://github.com/vinniefalco/Beast
+    Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
+
+    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.
+*/
+//==============================================================================
+
+#ifndef BEAST_INSIGHT_GROUPS_H_INCLUDED
+#define BEAST_INSIGHT_GROUPS_H_INCLUDED
+
+#include <ripple/beast/insight/Collector.h>
+#include <ripple/beast/insight/Group.h>
+
+#include <memory>
+#include <string>
+
+namespace beast {
+namespace insight {
+
+/** A container for managing a set of metric groups. */
+class Groups
+{
+public:
+    virtual ~Groups() = 0;
+
+    /** Find or create a new collector with a given name. */
+    /** @{ */
+    virtual Group::ptr const&
+    get(std::string const& name) = 0;
+
+    Group::ptr const&
+    operator[](std::string const& name)
+    {
+        return get(name);
+    }
+    /** @} */
+};
+
+/** Create a group container that uses the specified collector. */
+std::unique_ptr<Groups>
+make_Groups(Collector::ptr const& collector);
+
+}  // namespace insight
+}  // namespace beast
+
+#endif