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diff --git a/ingen/Store.hpp b/ingen/Store.hpp
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+/*
+  This file is part of Ingen.
+  Copyright 2007-2012 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or any later version.
+
+  Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_STORE_HPP
+#define INGEN_STORE_HPP
+
+#include <string>
+
+#undef nil
+#include <glibmm/thread.h>
+
+#include "raul/PathTable.hpp"
+
+#include "ingen/GraphObject.hpp"
+
+namespace Ingen {
+
+/** Store of objects in the patch hierarchy.
+ * @ingroup IngenShared
+ */
+class Store : public Raul::PathTable< SharedPtr<GraphObject> > {
+public:
+	virtual ~Store() {}
+
+	virtual void add(GraphObject* o);
+
+	typedef Raul::Table< Raul::Path, SharedPtr<GraphObject> > Objects;
+
+	const_iterator children_begin(SharedPtr<const GraphObject> o) const;
+	const_iterator children_end(SharedPtr<const GraphObject> o) const;
+
+	SharedPtr<GraphObject> find_child(SharedPtr<const GraphObject> parent,
+	                                  const std::string&           child_name) const;
+
+	unsigned child_name_offset(const Raul::Path&   parent,
+	                           const Raul::Symbol& symbol,
+	                           bool                allow_zero=true);
+
+	Glib::RWLock& lock() { return _lock; }
+
+private:
+	Glib::RWLock _lock;
+};
+
+} // namespace Ingen
+
+#endif // INGEN_STORE_HPP