1 files changed, 69 insertions, 0 deletions
diff --git a/mcop/factory.h b/mcop/factory.h
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+    /*
+
+    Copyright (C) 2000 Stefan Westerfeld
+                       stefan@space.twc.de
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+  
+    This library 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
+    Library General Public License for more details.
+   
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+    Boston, MA 02111-1307, USA.
+
+    */
+
+#ifndef FACTORY_H
+#define FACTORY_H
+
+#include <string>
+
+#include "arts_export.h"
+
+#include "object.h"
+#include "startupmanager.h"
+
+/*
+ * BC - Status (2002-03-08): Factory
+ *
+ * Will need to remain binary compatible (REGISTER_IMPLEMENTATION), d ptr
+ * provided for convenience, watch out for interactions with generated
+ * code.
+ */
+
+namespace Arts {
+
+class FactoryPrivate;
+
+class ARTS_EXPORT Factory : public StartupClass {
+private:
+	FactoryPrivate *d;
+public:
+	void startup();
+	void shutdown();
+	virtual Object_skel *createInstance() = 0;
+	virtual std::string interfaceName() = 0;
+};
+
+/*
+ * Dont's forget to place a semicolon after the use of this macro,
+ * like:
+ * REGISTER_IMPLEMENTATION(MyClass);
+ */
+#define REGISTER_IMPLEMENTATION(impl)                                      \
+  class impl ## _Factory : virtual public Arts::Factory {                  \
+  public:                                                                  \
+    std::string interfaceName() { return impl::_interfaceNameSkel(); } \
+	Arts::Object_skel *createInstance() { return new impl ; }              \
+} The_ ## impl ## _Factory
+
+}
+
+#endif