/*
* <Association Name="FK_movies_genres">
<End Type="Movies.Genre" Role="genre" Multiplicity="0..1" />
<End Type="Movies.Movie" Role="movie" Multiplicity="*" />
<ReferentialConstraint>
<Principal Role="genre">
<PropertyRef Name="Id" />
</Principal>
<Dependent Role="movie">
<PropertyRef Name="GenreId" />
</Dependent>
</ReferentialConstraint>
</Association>
* */
public static MetaAssociationRole Parse(MetaModel mmodel, MetaEntityType fromET, XElement navP)
{
var fullName = navP.Att("Relationship") + '.' + navP.Att("ToRole");
if(mmodel.AssociationRoles.ContainsKey(fullName))
return mmodel.AssociationRoles[fullName];
// navP : <NavigationProperty Name="Movies" Relationship="Movies.FK_movies_genres" FromRole="genre" ToRole="movie" />
var a = new MetaAssociationRole();
a.FullName = fullName;
a.Name = a.FullName.LastPart();
a.NavigationProperty = (from p in fromET.NavigationProperties where p.Name == navP.Att("Name") select p).FirstOrDefault();
mmodel.AssociationRoles.Add(a.FullName, a);
var assNode = mmodel.EdmxFile.Concept.D("Association").WithName(navP.Att("Relationship").LastPart());
var role = assNode.Es("End").FirstWhere("Role", navP.Att("ToRole"));
var toE = mmodel.EntityTypes.ContainsKey(role.Att("Type")) ? mmodel.EntityTypes[role.Att("Type")] : MetaEntityType.Parse(mmodel, role.Att("Type"));
a.MultiplicityValue = role.Att("Multiplicity");
a.ToEntityType = toE;
return a;
}
/// <summary>
///
/// </summary>
/// <example>
/// Xml example:
/// <![CDATA[
/// <Property Name="Shooting" Type="Movies.Location" Nullable="false" />
/// ]]>
/// </example>
///<param name="mmodel"></param>
///<param name="entityType"> </param>
///<param name="scP"></param>
///<returns></returns>
public static MetaComplexProperty Parse(MetaModel mmodel, MetaEntityType entityType, XElement scP)
{
var p = new MetaComplexProperty
{
EntityType = entityType,
FullName = entityType.FullName.Dot(scP.Att("Name")),
Name = scP.Att("Name"),
Nullable = scP.Att("Name").ToLower() == "true"
};
mmodel.ComplexProperties.Add(p.FullName, p);
MetaComplexType ct;
if (mmodel.ComplexTypes.ContainsKey(scP.Att("Type")))
ct = mmodel.ComplexTypes[scP.Att("Type")];
else
{
var ctNode = MetaComplexType.FindNode(mmodel, scP.Att("Type"));
if(ctNode == null)
throw new Exception("Couldn't find the ComplexType " + scP.Att("Type") +
". The type was used in " + entityType.FullName.Dot(scP.Att("Name")));
ct = MetaComplexType.Parse(mmodel, ctNode);
}
p.ComplexType = ct;
return p;
}
public static MetaScalarProperty Parse(MetaModel mmodel, MetaEntityType et, XElement node)
{
var fullName = et.FullName + '.' + node.Att("Name");
if (mmodel.ScalarProperties.ContainsKey(fullName))
return mmodel.ScalarProperties[fullName];
var sp = new MetaScalarProperty()
{
FullName = fullName,
Name = node.Att("Name"),
Nullable = node.Att("Nullable") == "true",
Type = node.Att("Type"),
EntityType = et
};
mmodel.ScalarProperties.Add(fullName, sp);
return sp;
}
// <NavigationProperty Name="Movies" Relationship="Movies.FK_movies_genres" FromRole="genre" ToRole="movie" />
public static MetaNavigationProperty Parse(MetaModel mmodel, MetaEntityType et, XElement node)
{
var fullName = et.FullName + '.' + node.Att("Name");
if (mmodel.NavigationProperties.ContainsKey(fullName))
return mmodel.NavigationProperties[fullName];
var m = new MetaNavigationProperty
{
FullName = fullName,
Name = node.Att("Name")
};
mmodel.NavigationProperties.Add(fullName, m);
m.AssociationRole = MetaAssociationRole.Parse(mmodel, et, node);
m.EntityType = m.AssociationRole.ToEntityType;
return m;
}
/// <summary>
/// Links a MetaEntityType with a MetaEntityTypeStore all the way down do the properties.
/// </summary>
/// <example>
/// Mapping Xml:
/// <![CDATA[
/// <EntityTypeMapping TypeName="Movies.Movie">
/// <MappingFragment StoreEntitySet="movies">
/// <ScalarProperty Name="GenreId" ColumnName="genre_id" />
/// <ScalarProperty Name="Published" ColumnName="published" />
/// <ScalarProperty Name="Synopsis" ColumnName="synopsis" />
/// <ScalarProperty Name="Name" ColumnName="name" />
/// <ScalarProperty Name="Id" ColumnName="movie_id" />
/// <ComplexProperty Name="Shooting">
/// <ScalarProperty Name="Country" ColumnName="shooting_country" />
/// <ScalarProperty Name="State" ColumnName="shooting_state" />
/// <ScalarProperty Name="City" ColumnName="shooting_city" />
/// </ComplexProperty>
/// </MappingFragment>
/// </EntityTypeMapping>
/// ]]>
/// </example>
public static void Link(MetaEntityType et, MetaEntityTypeStore ets, XElement mapping)
{
/*
var propDic = (from prop in et.Properties select prop).ToDictionary(k => k.Name);
var stPropDic = (from prop in ets.PropertiesStores select prop).ToDictionary(k => k.Name);
foreach (var scP in mapping.d("ScalarProperty"))
{
MetaScalarProperty.Link(propDic[scP.Att("Name")], stPropDic[scP.Att("ColumnName")]);
}
var cPropDic = (from prop in et.ComplexProperties select prop).ToDictionary(k => k.Name);
var stCPropDic = (from prop in ets.PropertyStores select prop).ToDictionary(k => k.Name);
foreach (var scP in mapping.d("ComplexProperty"))
{
MetaComplexProperty.
MetaScalarProperty.Link(propDic[scP.Att("Name")], stPropDic[scP.Att("ColumnName")]);
}
* */
}
public static MetaEntityType Parse(MetaModel mmodel, string fullName, MetaEntitySet eSet = null)
{
if (mmodel.EntityTypes.ContainsKey(fullName))
return mmodel.EntityTypes[fullName];
var m = new MetaEntityType
{
FullName = fullName,
Name = fullName.LastPart(),
EntitySet = eSet
};
// need to add before processing related meta-models
mmodel.EntityTypes.Add(m.FullName, m);
var node = mmodel.EdmxFile.Concept.D(NodeName).WithName(m.Name);
var keyNames = (from k in node.D("PropertyRef") select k.Att("Name")).ToList();
// parsing properties
foreach (var scP in node.D("Property"))
{
// Property elements with a Type attribute reprents a ComplexProperty
if (MetaComplexProperty.IsComplexPropertyNode(mmodel, scP))
{
m.ComplexProperties.Add(MetaComplexProperty.Parse(mmodel, m, scP));
}
else
{
var sp = MetaScalarProperty.Parse(mmodel, m, scP);
sp.isKey = keyNames.Contains(scP.Att("Name"));
m.Properties.Add(sp);
}
}
foreach (var navP in node.D("NavigationProperty"))
{
m.NavigationProperties.Add(MetaNavigationProperty.Parse(mmodel, m, navP));
}
// todo: process store
return m;
}
