- added classes needed by serialization

- serializers_gatekeeper
  - serializer
  - serializer_error
  - serializer_visitor (should replace serialize_visitor)



git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@742 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/serializer.cc

@@ -0,0 +1,27 @@
+// src/backend/serialize_visitor.cc - Copyright 2005, 2006, University
+//               of Padova, dept. of Pure and Applied
+//               Mathematics
+//
+// This file is part of SGPEMv2.
+//
+// This is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// SGPEMv2 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with SGPEMv2; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+#include "serializer.hh"
+
+using namespace sgpem;
+
+Serializer::~Serializer()
+{}
+

src/backend/serializer.hh

@@ -0,0 +1,48 @@
+// src/backend/serializer.hh - Copyright 2005, 2006, University
+//               of Padova, dept. of Pure and Applied
+//               Mathematics
+//
+// This file is part of SGPEMv2.
+//
+// This is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// SGPEMv2 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with SGPEMv2; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+#ifndef SERIALIZER_HH
+#define SERIALIZER_HH 1
+
+#include "config.h"
+#include "backend/history.hh"
+
+#include <glibmm/ustring.h>
+
+namespace sgpem
+{
+  class Serializer;
+
+  class Serializer
+  {
+  public:
+    virtual ~Serializer() = 0;
+
+    virtual void save_snapshot(const Glib::ustring& filename, const History& hist) = 0;
+    virtual void restore_snapshot(const Glib::ustring& filename, History& hist) = 0;
+    virtual const Glib::ustring get_filename_extension() = 0;
+    virtual const Glib::ustring get_filename_description() = 0;
+  protected:
+  private:
+  };
+}
+
+#endif
+

src/backend/serializer_error.cc

@@ -0,0 +1,30 @@
+// src/backend/invalid_plugin_exception.cc - Copyright 2005, 2006, University
+//               of Padova, dept. of Pure and Applied
+//               Mathematics
+//
+// This file is part of SGPEMv2.
+//
+// This is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// SGPEMv2 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with SGPEMv2; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+#include "config.h"
+
+#include "serializer_error.hh"
+
+using namespace sgpem;
+
+SerializerError::SerializerError(const std::string& what) :
+  std::runtime_error(what)
+{
+}

src/backend/serializer_error.hh

@@ -0,0 +1,38 @@
+// src/backend/invalid_plugin_exception.hh - Copyright 2005, 2006, University
+//               of Padova, dept. of Pure and Applied
+//               Mathematics
+//
+// This file is part of SGPEMv2.
+//
+// This is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// SGPEMv2 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with SGPEMv2; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+#ifndef SERIALIZER_ERROR_HH
+#define SERIALIZER_ERROR_HH 1
+
+#include "config.h"
+
+#include <stdexcept>
+
+namespace sgpem
+{
+  class SerializerError : public std::runtime_error
+  {
+  public:
+    SerializerError(const std::string& what);
+  }; //~ class SerializerError
+
+} //~ namespace sgpem
+
+#endif

src/backend/serializer_visitor.cc

@@ -0,0 +1,27 @@
+// src/backend/serialize_visitor.cc - Copyright 2005, 2006, University
+//               of Padova, dept. of Pure and Applied
+//               Mathematics
+//
+// This file is part of SGPEMv2.
+//
+// This is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// SGPEMv2 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with SGPEMv2; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+#include "serializer_visitor.hh"
+
+using namespace sgpem;
+
+SerializerVisitor::~SerializerVisitor()
+{}
+

src/backend/serializer_visitor.hh

@@ -0,0 +1,55 @@
+// src/backend/serialize_visitor.hh - Copyright 2005, 2006, University
+//               of Padova, dept. of Pure and Applied
+//               Mathematics
+//
+// This file is part of SGPEMv2.
+//
+// This is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// SGPEMv2 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with SGPEMv2; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+#ifndef SERIALIZER_VISITOR_HH
+#define SERIALIZER_VISITOR_HH 1
+
+namespace sgpem
+{
+  class Resource;
+  class Process;
+  class Thread;
+  class Request;
+  class SubRequest;
+}
+
+#include "config.h"
+
+#include <glibmm/ustring.h>
+
+namespace sgpem
+{
+  class SerializerVisitor;
+
+  class SerializerVisitor
+  {
+  public:
+    virtual ~SerializerVisitor() = 0;
+
+    virtual void from_resource(const Resource& obj) = 0;
+    virtual void from_process(const Process& obj) = 0;
+    virtual void from_thread(const Thread& obj) = 0;
+    virtual void from_request(const Request& obj) = 0;
+    virtual void from_subrequest(const SubRequest& obj) = 0;
+  };
+}
+
+#endif
+

src/backend/serializers_gatekeeper.cc

@@ -0,0 +1,78 @@
+// src/backend/policies_gatekeeper.cc - Copyright 2005, 2006, University
+//               of Padova, dept. of Pure and Applied
+//               Mathematics
+//
+// This file is part of SGPEMv2.
+//
+// This is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// SGPEMv2 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with SGPEMv2; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+#include "config.h"
+
+#include "serializers_gatekeeper.hh"
+#include "serializer.hh"
+
+// Include full template definition only in implementation files:
+#include "singleton.tcc"
+
+#include <algorithm>
+#include <cassert>
+
+using std::vector;
+using std::find;
+using std::runtime_error;
+using namespace sgpem;
+
+// Explicit template instantiation to allow to export symbols from the DSO.
+template class SG_DLLEXPORT Singleton<SerializersGatekeeper>;
+
+typedef vector<Serializer*>::iterator SerializerIterator;
+
+vector<Serializer*>
+SerializersGatekeeper::get_registered() const
+{
+  return _registered;
+}
+
+void
+SerializersGatekeeper::register(Serializer* serializer)
+{
+  assert(serializer != NULL);
+
+  SerializerIterator end = _registered.end();
+
+  if(find(_registered.begin(), end, serializer) == end)
+    _registered.push_back(serializer);
+}
+
+void
+SerializersGatekeeper::unregister(Serializer* serializer)
+{
+  assert(serializer != NULL);
+
+  SerializerIterator end = _registered.end();
+  SerializerIterator pos = find(_registered.begin(), end, serializer);
+
+  if(pos != end)
+  {
+    _registered.erase(pos);
+  }
+}
+
+
+
+SerializersGatekeeper::PoliciesGatekeeper()
+{}
+
+

src/backend/serializers_gatekeeper.hh

@@ -0,0 +1,78 @@
+// src/backend/policies_gatekeeper.hh - Copyright 2005, 2006, University
+//               of Padova, dept. of Pure and Applied
+//               Mathematics
+//
+// This file is part of SGPEMv2.
+//
+// This is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// SGPEMv2 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with SGPEMv2; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+#ifndef SERIALIZERS_GATEKEEPER_HH
+#define SERIALIZERS_GATEKEEPER_HH 1
+
+namespace sgpem
+{
+  class Serializer;
+}
+
+#include "config.h"
+
+#include <vector>
+#include <stdexcept>
+
+#include "singleton.hh"
+
+namespace sgpem
+{
+  class SerializersGatekeeper;
+
+  /** \brief Keeps all registered serializer in order to access to available serializers
+      
+      This Singleton derived class keep every registered Serializer in order to
+      give more file saving formats using disticnt Serializers.
+
+   */
+
+  class SG_DLLEXPORT SerializersGatekeeper : public Singleton<SerializersGatekeeper>
+  {
+    friend class Singleton<SerializersGatekeeper>;
+
+  public:
+    /** \brief Gets the registered serializers container
+     */
+    std::vector<Serializer*>     get_registered() const;
+
+    /** \brief Add a serializer to the serializers container
+     */
+    void       register(Serializer* serializer);
+    
+    /** \brief Remove a serializer from the serializers container
+     */
+    void       unregister(Serializer* serializer);
+
+  private:
+    SerializersGatekeeper();     //private constructor.
+    SerializersGatekeeper(const SerializersGatekeeper&);
+    SerializersGatekeeper& operator=(const SerializersGatekeeper&);
+
+    /** \brief The registered serializers container
+
+     */
+    std::vector<Serializer*>     _registered;
+  };
+
+}//~ namespace sgpem
+
+#endif //SERIALIZERS_GATEKEEPER_HH
+