OmniEvents
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00001 // Package : omniEvents 00002 // Filter.h Created : 2004/04/30 00003 // Author : Alex Tingle 00004 // 00005 // Copyright (C) 2004 Alex Tingle. 00006 // 00007 // This file is part of the omniEvents application. 00008 // 00009 // omniEvents is free software; you can redistribute it and/or 00010 // modify it under the terms of the GNU Lesser General Public 00011 // License as published by the Free Software Foundation; either 00012 // version 2.1 of the License, or (at your option) any later version. 00013 // 00014 // omniEvents is distributed in the hope that it will be useful, 00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 // Lesser General Public License for more details. 00018 // 00019 // You should have received a copy of the GNU Lesser General Public 00020 // License along with this library; if not, write to the Free Software 00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 // 00023 00024 #ifndef OMNIEVENTS__FILTER_H 00025 #define OMNIEVENTS__FILTER_H 00026 00027 #ifdef HAVE_CONFIG_H 00028 # include "config.h" 00029 #endif 00030 00031 #include "Orb.h" 00032 00033 #include <string.h> 00034 00035 #ifdef HAVE_IOSTREAM 00036 # include <iostream> 00037 #else 00038 # include <iostream.h> 00039 #endif 00040 00041 #ifdef HAVE_STD_IOSTREAM 00042 using namespace std; 00043 #endif 00044 00045 00046 namespace OmniEvents { 00047 00049 class Filter 00050 { 00051 public: 00052 Filter(){} 00053 virtual ~Filter(){} 00054 00058 virtual bool keep(const CORBA::Any& event) const =0; 00059 00060 virtual void output(ostream& os) const =0; 00061 }; 00062 00066 class FilterByTCKind: public Filter 00067 { 00068 public: 00069 FilterByTCKind(CORBA::TCKind kind):_kind(kind){} 00070 virtual ~FilterByTCKind(){} 00071 bool keep(const CORBA::Any& event) const 00072 { 00073 CORBA::TypeCode_var tc=event.type(); 00074 return( tc->kind()==_kind ); 00075 } 00076 void output(ostream& os) const { os<<"\n FilterKind="<<_kind; } 00077 private: 00078 CORBA::TCKind _kind; 00079 }; 00080 00084 class FilterByRepositoryId: public Filter 00085 { 00086 public: 00087 FilterByRepositoryId(const char* rid):_rid(rid){} 00088 virtual ~FilterByRepositoryId(){} 00089 bool keep(const CORBA::Any& event) const; 00090 void output(ostream& os) const { os<<"\n FilterId="<<_rid; } 00091 private: 00092 CORBA::RepositoryId_var _rid; 00093 }; 00094 00095 }; // end namespace OmniEvents 00096 00097 #endif // OMNIEVENTS__FILTER_H