/usr/include/Wt/Dbo/Field_impl.h is in libwtdbo-dev 3.3.0-1build1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | // This may look like C code, but it's really -*- C++ -*-
/*
* Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.
*
* See the LICENSE file for terms of use.
*/
#ifndef WT_DBO_FIELD_IMPL_H_
#define WT_DBO_FIELD_IMPL_H_
#include <boost/lexical_cast.hpp>
#include <Wt/Dbo/Session>
#include <Wt/Dbo/Exception>
#include <Wt/Dbo/SqlStatement>
#include <Wt/Dbo/SqlTraits>
namespace Wt {
namespace Dbo {
template <typename V>
FieldRef<V>::FieldRef(V& value, const std::string& name, int size)
: value_(value),
name_(name),
size_(size)
{ }
template <typename V>
const std::string& FieldRef<V>::name() const
{
return name_;
}
template <typename V>
int FieldRef<V>::size() const
{
return size_;
}
template <typename V>
std::string FieldRef<V>::sqlType(Session& session) const
{
return sql_value_traits<V>::type(session.connection(false), size_);
}
template <typename V>
const std::type_info *FieldRef<V>::type() const
{
return &typeid(V);
}
template <typename V>
void FieldRef<V>::bindValue(SqlStatement *statement, int column) const
{
sql_value_traits<V>::bind(value_, statement, column, size_);
}
template <typename V>
void FieldRef<V>::setValue(Session& session, SqlStatement *statement,
int column) const
{
sql_value_traits<V>::read(value_, statement, column, size_);
}
template <class C>
CollectionRef<C>::CollectionRef(collection< ptr<C> >& value,
RelationType type,
const std::string& joinName,
const std::string& joinId,
int fkConstraints)
: value_(value), joinName_(joinName), joinId_(joinId), type_(type),
fkConstraints_(fkConstraints)
{ }
template <class C>
PtrRef<C>::PtrRef(ptr<C>& value, const std::string& name, int size,
int fkConstraints)
: value_(value),
name_(name),
size_(size),
fkConstraints_(fkConstraints)
{ }
template <class C>
template <class A>
void PtrRef<C>::visit(A& action, Session *session) const
{
typename dbo_traits<C>::IdType id;
if (action.setsValue())
id = dbo_traits<C>::invalidId();
else
id = value_.id();
std::string idFieldName = "stub";
int size = size_;
if (session) {
Session::MappingInfo *mapping = session->getMapping<C>();
idFieldName = mapping->naturalIdFieldName;
size = mapping->naturalIdFieldSize;
if (idFieldName.empty())
idFieldName = mapping->surrogateIdFieldName;
}
field(action, id, name_ + "_" + idFieldName, size);
if (action.setsValue()) {
if (!(id == dbo_traits<C>::invalidId())) {
if (session)
value_ = session->loadLazy<C>(id);
else
throw Exception("Could not load referenced Dbo::ptr, no session?");
}
}
}
template <class C>
WeakPtrRef<C>::WeakPtrRef(weak_ptr<C>& value, const std::string& joinName)
: value_(value),
joinName_(joinName)
{ }
template <class C>
const std::type_info *PtrRef<C>::type() const
{
return &typeid(typename dbo_traits<C>::IdType);
}
template <class A, typename V>
void id(A& action, V& value, const std::string& name, int size)
{
action.actId(value, name, size);
}
template <class A, class C>
void id(A& action, ptr<C>& value, const std::string& name,
ForeignKeyConstraint constraint, int size)
{
action.actId(value, name, size, constraint.value());
}
template <class A, typename V>
void field(A& action, V& value, const std::string& name, int size)
{
action.act(FieldRef<V>(value, name, size));
}
template <class A, class C>
void field(A& action, ptr<C>& value, const std::string& name, int size)
{
action.actPtr(PtrRef<C>(value, name, size, 0));
}
template <class A, class C>
void belongsToImpl(A& action, ptr<C>& value, const std::string& name,
int fkConstraints, int size)
{
if (name.empty() && action.session())
action.actPtr(PtrRef<C>(value, action.session()->template tableName<C>(),
size, fkConstraints));
else
action.actPtr(PtrRef<C>(value, name, size, fkConstraints));
}
template <class A, class C>
void belongsTo(A& action, ptr<C>& value, const std::string& name, int size)
{
belongsToImpl(action, value, name, 0, size);
}
template <class A, class C>
void belongsTo(A& action, ptr<C>& value, const std::string& name,
ForeignKeyConstraint constraint, int size)
{
belongsToImpl(action, value, name, constraint.value(), size);
}
template <class A, class C>
void belongsTo(A& action, ptr<C>& value,
ForeignKeyConstraint constraint, int size)
{
belongsToImpl(action, value, std::string(), constraint.value(), size);
}
template <class A, class C>
void hasOne(A& action, weak_ptr<C>& value, const std::string& joinName)
{
action.actWeakPtr(WeakPtrRef<C>(value, joinName));
}
template <class A, class C>
void hasMany(A& action, collection< ptr<C> >& value,
RelationType type, const std::string& joinName)
{
action.actCollection(CollectionRef<C>(value, type, joinName, std::string(),
Impl::FKNotNull));
}
template <class A, class C>
void hasMany(A& action, collection< ptr<C> >& value,
RelationType type, const std::string& joinName,
const std::string& joinId, ForeignKeyConstraint constraint)
{
if (type != ManyToMany)
throw Exception("hasMany() with named joinId only for a ManyToMany relation");
action.actCollection(CollectionRef<C>(value, type, joinName, joinId,
constraint.value()));
}
}
}
#endif // WT_DBO_FIELD_IMPL_H_
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