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EntityId.h
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00001 /*
00002  * ALMA - Atacama Large Millimeter Array
00003  * (c) European Southern Observatory, 2002
00004  * (c) Associated Universities Inc., 2002
00005  * Copyright by ESO (in the framework of the ALMA collaboration),
00006  * Copyright by AUI (in the framework of the ALMA collaboration),
00007  * All rights reserved.
00008  * 
00009  * This library 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  * This library 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,
00022  * MA 02111-1307  USA
00023  *
00024  * File EntityId.h
00025  */
00026 
00027 #ifndef EntityId_CLASS
00028 #define EntityId_CLASS
00029 
00030 #include <iostream>
00031 #include <string>
00032 using namespace std;
00033 
00034 #ifndef WITHOUT_ACS
00035 #include <asdmIDLTypesC.h>
00036 using asdmIDLTypes::IDLEntityId;
00037 #endif
00038 
00039 #include <StringTokenizer.h>
00040 #include <InvalidArgumentException.h>
00041 using asdm::StringTokenizer;
00042 using asdm::InvalidArgumentException;
00043 
00044 #include "EndianStream.h"
00045 using asdm::EndianOSStream;
00046 using asdm::EndianIStream;
00047 
00048 namespace asdm {
00049 
00050 class EntityId;
00051 ostream & operator << ( ostream &, const EntityId & );
00052 istream & operator >> ( istream &, EntityId&);
00053 
00062 class EntityId {
00063     friend ostream & operator << ( ostream &, const EntityId & );
00064         friend istream & operator >> ( istream &, EntityId&);
00065 
00066 public:
00067         static EntityId getEntityId(StringTokenizer &t) 
00068                 throw (InvalidArgumentException) ;
00069         static string validate(string x);
00070 
00071         EntityId();
00072         EntityId(const EntityId &);
00073         EntityId(const string &id) throw (InvalidArgumentException);
00074 #ifndef WITHOUT_ACS
00075         EntityId(IDLEntityId &) throw (InvalidArgumentException);
00076 #endif
00077         virtual ~EntityId();
00078 
00079         EntityId& operator = (const EntityId &);
00080 
00081         bool equals(const EntityId &) const;
00082         bool operator == (const EntityId&) const;
00083         bool operator != (const EntityId&) const;       
00084 
00085         string toString() const;
00086 #ifndef WITHOUT_ACS
00087         IDLEntityId toIDLEntityId() const;
00088 #endif
00089 
00093         void toBin(EndianOSStream& eoss) const;
00094         
00102         static EntityId fromBin(EndianIStream& eis);
00103         
00104         bool isNull() const;
00105 
00106         string getId() const;
00107         void setId(string e);
00108 
00109 private:
00110         string id;
00111 
00112 };
00113 
00114 // EntityId constructors
00115 inline EntityId::EntityId() : id("") { }
00116 
00117 inline EntityId::EntityId(const EntityId &t) : id(t.id) { }
00118 
00119 // EntityId destructor
00120 inline EntityId::~EntityId() { }
00121 
00122 inline EntityId& EntityId::operator = ( const EntityId &x ) {
00123         id = x.id;
00124         return *this;
00125 }
00126 
00127 inline bool EntityId::isNull() const {
00128         return id.length() == 0;        
00129 }
00130 
00131 inline bool EntityId::equals(const EntityId &x) const {
00132         return id == x.id;
00133 }
00134 
00135 inline bool EntityId::operator == (const EntityId &x) const {
00136         return id == x.id;      
00137 }
00138 
00139 inline bool EntityId::operator != (const EntityId &x) const {
00140         return id != x.id;      
00141 }
00142 
00143 inline string EntityId::toString() const {
00144         return id;
00145 }
00146 
00147 #ifndef WITHOUT_ACS
00148 inline IDLEntityId EntityId::toIDLEntityId() const {
00149         IDLEntityId x;
00150         x.value = CORBA::string_dup(id.c_str());
00151         return x;
00152 }
00153 #endif
00154 
00155 inline string EntityId::getId() const {
00156         return id;
00157 }
00158 
00159 inline void EntityId::setId(string s) {
00160         id = s;
00161 }
00162 
00163 // Friend functions
00164 
00165 inline ostream & operator << ( ostream &o, const EntityId &x ) {
00166         o << x.id;
00167         return o;
00168 }
00169 
00170 inline istream & operator >> ( istream &i, EntityId &x ) {
00171         i >> x.id;
00172         return i;
00173 }
00174 
00175 } // End namespace asdm
00176 
00177 #endif /* EntityId_CLASS */