-/***************************************************************************
- * Copyright (C) 2006 by Gerd v. Egidy *
- * gve@intra2net.com *
- * *
- * This library is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU Lesser General Public License version *
- * 2.1 as published by the Free Software Foundation. *
- * *
- * 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 Lesser General Public License for more details. *
- * *
- * You should have received a copy of the GNU Lesser General Public *
- * License along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
+/*
+Copyright (C) 2006 by Intra2net AG - Gerd v. Egidy
+
+The software in this package is distributed under the GNU General
+Public License version 2 (with a special exception described below).
+
+A copy of GNU General Public License (GPL) is included in this distribution,
+in the file COPYING.GPL.
+
+As a special exception, if other files instantiate templates or use macros
+or inline functions from this file, or you compile this file and link it
+with other works to produce a work based on this file, this file
+does not by itself cause the resulting work to be covered
+by the GNU General Public License.
+
+However the source code for this file must still be made available
+in accordance with section (3) of the GNU General Public License.
+
+This exception does not invalidate any other reasons why a work based
+on this file might be covered by the GNU General Public License.
+*/
#ifndef __LIBT2N_CONTAINER
#define __LIBT2N_CONTAINER
+#include <boost/archive/binary_oarchive.hpp>
+#include <boost/archive/binary_iarchive.hpp>
+#include <boost/archive/xml_oarchive.hpp>
+#include <boost/archive/xml_iarchive.hpp>
+#include <boost/serialization/serialization.hpp>
+
#include "command.hxx"
#include "t2n_exception.hxx"
+#include <iostream>
+
namespace libt2n
{
-/** @brief contains the result (return value or exception) of a executed command
+/** @brief contains the result (return value as libt2n::result or an libt2n::t2n_exception) of a executed command
*/
class result_container
{
private:
- enum result_type_t { regular, exception } result_type;
-
result *res;
t2n_exception *ex;
+ enum result_type_t { regular, exception } result_type;
+
friend class boost::serialization::access;
- // When the class Archive corresponds to an output archive, the
- // & operator is defined similar to <<. Likewise, when the class Archive
- // is a type of input archive the & operator is defined similar to >>.
template<class Archive>
- void serialize(Archive & ar, const unsigned int version)
- {
- ar & BOOST_SERIALIZATION_NVP(result_type);
- ar & BOOST_SERIALIZATION_NVP(res);
- ar & BOOST_SERIALIZATION_NVP(ex);
- }
+ void serialize(Archive & ar, const unsigned int version);
public:
result_container()
- { res=0; ex=0; }
+ : res(NULL)
+ , ex(NULL)
+ , result_type(regular)
+ {
+ }
result_container(result *_res)
- { set_result(_res); }
+ : res(_res)
+ , ex(NULL)
+ , result_type(regular)
+ {
+ }
+
result_container(t2n_exception *_ex)
- { set_exception(_ex); }
+ : res(NULL)
+ , ex(_ex)
+ , result_type(exception)
+ {
+ }
+
+ ~result_container();
void set_result(result *_res)
{ res=_res; ex=0; result_type=regular; }
+
void set_exception(t2n_exception *_ex)
{ res=0; ex=_ex; result_type=exception; }
- /** @brief returns the result or throw the carried exception.
- ATTENTION: the result object is deleted in the destructor
- */
- result* get_result(void)
- {
- if (result_type==exception)
- ex->do_throw();
- return res;
- }
+ result* get_result(void);
- /// deletes the carried result or exception objects
- ~result_container()
- {
- if (res)
- delete res;
- if (ex)
- delete ex;
- }
+ bool has_exception()
+ { return (result_type==exception && ex != NULL); }
+ bool has_result()
+ { return (result_type==regular && res != NULL); }
};
-/** @brief contains a command
+/** @brief contains a libt2n::command
*/
class command_container
{
friend class boost::serialization::access;
template<class Archive>
- void serialize(Archive & ar, const unsigned int version)
- {
- ar & BOOST_SERIALIZATION_NVP(cmd);
- }
+ void serialize(Archive & ar, const unsigned int version);
public:
command_container()
- { cmd=0; }
+ : cmd(NULL)
+ {}
+
command_container(command *_cmd)
- { cmd=_cmd; }
+ : cmd(_cmd)
+ {}
+
+ ~command_container();
/// return the contained command
command* get_command()
{ return cmd; }
-
- ~command_container()
- {
- if (cmd)
- delete cmd;
- }
};
} // namespace libt2n
BOOST_CLASS_TRACKING(libt2n::result_container, boost::serialization::track_never)
BOOST_CLASS_TRACKING(libt2n::command_container, boost::serialization::track_never)
+#include "container.tcc"
+
#endif