src/DAL/FieldValues.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Sverre Rabbelier                                *
   3  *   sverre@rabbelier.nl                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 3 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "FieldImpl.h"
  22 #include "FieldValue.h"
  23 #include "FieldValues.h"
  24 #include "KeyImpl.h"
  25 #include "KeyValue.h"
  26 #include "Parse.h"
  27 #include "StringUtilities.h"
  28 #include "TableImpl.h"
  29
  30 FieldValues::FieldValues(TableImplPtr table) :
  31 m_table(table)
  32 {
  33         Assert(table);
  34 }
  35
  36 FieldValues::~FieldValues()
  37 {
  38
  39 }
  40
  41 ValuePtr FieldValues::getField(FieldImplPtr field) const
  42 {
  43         Assert(field);
  44         ValueMap::const_iterator it = m_fields.find(field.get());
  45         Assert(it != m_fields.end());
  46
  47         return it->second;
  48 }
  49
  50 TableImplPtr FieldValues::getTable() const
  51 {
  52         return m_table;
  53 }
  54
  55 void FieldValues::addValue(ValuePtr value)
  56 {
  57         Assert(value);
  58
  59         TableImplPtr table = value->getTable();
  60         bool isReachableTable = false;
  61
  62         if(table == m_table)
  63                 isReachableTable = true;
  64
  65         for(TableImplVector::const_iterator it = m_joinedTables.begin(); it != m_joinedTables.end(); it++)
  66         {
  67                 TableImplPtr joinedTable = *it;
  68                 if(table == joinedTable)
  69                         isReachableTable = true;
  70         }
  71
  72         Assert(isReachableTable);
  73
  74         m_fields[value->getField().get()] = value;
  75 }
  76
  77 void FieldValues::addValue(FieldImplPtr field, value_type value)
  78 {
  79         Assert(field);
  80
  81         FieldValuePtr fieldvalue(new FieldValue(field, value));
  82         addValue(fieldvalue);
  83 }
  84
  85 void FieldValues::addValue(FieldImplPtr field, cstring value)
  86 {
  87         Assert(field);
  88
  89         FieldValuePtr fieldvalue(new FieldValue(field, value));
  90         addValue(fieldvalue);
  91 }
  92
  93 void FieldValues::addJoinedTable(TableImplPtr joinedTable)
  94 {
  95         Assert(joinedTable);
  96
  97         m_joinedTables.push_back(joinedTable);
  98 }
  99
 100 size_t FieldValues::size() const
 101 {
 102         return m_fields.size();
 103 }
 104
 105 ValuePtr FieldValues::first() const
 106 {
 107         Assert(m_fields.size() > 0);
 108
 109         return m_fields.begin()->second;
 110 }
 111
 112 ValueMap::const_iterator FieldValues::begin() const
 113 {
 114         return m_fields.begin();
 115 }
 116
 117 ValueMap::const_iterator FieldValues::end() const
 118 {
 119         return m_fields.end();
 120 }
 121
 122 ValueMap::const_iterator FieldValues::find(FieldImplPtr field) const
 123 {
 124         Assert(field);
 125
 126         return m_fields.find(field.get());
 127 }
 128