protected virtual void OnPupulateM2MRelations()
{
var relationDescType = new CodeTypeReference(typeof(RelationDescEx));
#region Relation
foreach (var relation in _entity.GetM2MRelations(false))
{
if (relation.Left.Entity == relation.Right.Entity)
{
throw new ArgumentException("To realize m2m relation on self use SelfRelation instead.");
}
LinkTarget link = relation.Left.Entity == _entity ? relation.Right : relation.Left;
var accessorName = link.AccessorName;
var relatedEntity = link.Entity;
if (string.IsNullOrEmpty(accessorName))
{
// существуют похожие релейшены, но не имеющие имени акссесора
var lst =
link.Entity.GetM2MRelations(false).FindAll(
r =>
r.Left != link && r.Right != link &&
((r.Left.Entity == _entity && string.IsNullOrEmpty(r.Right.AccessorName)) ||
(r.Right.Entity == _entity && string.IsNullOrEmpty(r.Left.AccessorName))));
if (lst.Count > 0)
{
throw new WXMLException(
string.Format(
"Существуют неоднозначные связи между '{0}' и '{1}'. конкретизируйте их через accessorName.",
lst[0].Left.Entity.Name, lst[0].Right.Entity.Name));
}
accessorName = relatedEntity.Name;
}
accessorName = WXMLCodeDomGeneratorNameHelper.GetMultipleForm(accessorName);
var entityTypeExpression = Settings.UseTypeInProps ? WXMLCodeDomGeneratorHelper.GetEntityClassTypeReferenceExpression(_settings, relatedEntity, relatedEntity.Namespace != _entity.Namespace) : WXMLCodeDomGeneratorHelper.GetEntityNameReferenceExpression(_settings, relatedEntity, relatedEntity.Namespace != _entity.Namespace);
var desc = new CodeObjectCreateExpression(
new CodeTypeReference(typeof(M2MRelationDesc)),
entityTypeExpression);
var staticProperty = new CodeMemberProperty
{
Name = accessorName + "Relation",
HasGet = true,
HasSet = false,
Attributes = MemberAttributes.Public | MemberAttributes.Final | MemberAttributes.Static,
Type = relationDescType
};
staticProperty.GetStatements.Add(new CodeMethodReturnStatement(
new CodeObjectCreateExpression(typeof(RelationDescEx),
new CodeObjectCreateExpression(typeof(EntityUnion),
WXMLCodeDomGeneratorHelper.GetEntityNameReferenceExpression(_settings, _entity, false)
), desc)
));
desc.Parameters.Add(new CodePrimitiveExpression(relation.SourceFragment.Identifier));
Members.Add(staticProperty);
GetRelationMethods(relation.SourceFragment.Identifier, staticProperty.Name);
var memberProperty = new CodeMemberProperty
{
Name = accessorName,
HasGet = true,
HasSet = false,
Attributes =
MemberAttributes.Public | MemberAttributes.Final,
Type = new CodeTypeReference(typeof(RelationCmd))
};
if (!string.IsNullOrEmpty(link.AccessorDescription))
{
WXMLCodeDomGenerator.SetMemberDescription(memberProperty, link.AccessorDescription);
}
memberProperty.GetStatements.Add(
new CodeMethodReturnStatement(
new CodeMethodInvokeExpression(
new CodeThisReferenceExpression(),
"GetCmd",
new CodePropertyReferenceExpression(
new CodePropertyReferenceExpression(
null, //WXMLCodeDomGeneratorHelper.GetEntityClassReferenceExpression(_settings, _entity, false),
staticProperty.Name
),
"M2MRel"
)
)
)
);
Members.Add(memberProperty);
_gen.RaisePropertyCreated(null, this, memberProperty, null);
}
#endregion
#region SelfRelation
foreach (var relation in _entity.GetM2MSelfRelations(false))
{
var accessorName = relation.Direct.AccessorName;
if (!string.IsNullOrEmpty(accessorName))
{
var entityTypeExpression = Settings.UseTypeInProps ? WXMLCodeDomGeneratorHelper.GetEntityClassTypeReferenceExpression(_settings, _entity, false) : WXMLCodeDomGeneratorHelper.GetEntityNameReferenceExpression(_settings, _entity, false);
var desc = new CodeObjectCreateExpression(
new CodeTypeReference(typeof(M2MRelationDesc)),
entityTypeExpression);
accessorName = WXMLCodeDomGeneratorNameHelper.GetMultipleForm(accessorName);
var staticProperty = new CodeMemberProperty
{
Name = accessorName + "Relation",
HasGet = true,
HasSet = false,
Attributes = MemberAttributes.Public | MemberAttributes.Final | MemberAttributes.Static,
Type = relationDescType
};
staticProperty.GetStatements.Add(new CodeMethodReturnStatement(
new CodeObjectCreateExpression(typeof(RelationDescEx),
new CodeObjectCreateExpression(typeof(EntityUnion),
WXMLCodeDomGeneratorHelper.GetEntityNameReferenceExpression(_settings, _entity, false)
), desc)
));
GetRelationMethods(relation.SourceFragment.Identifier, staticProperty.Name);
//desc.Parameters.Add(new CodePrimitiveExpression(relation.Direct.FieldName));
//desc.Parameters.Add(new CodeFieldReferenceExpression(
// new CodeTypeReferenceExpression(typeof(M2MRelationDesc)),"DirKey")
//);
desc.Parameters.Add(new CodePrimitiveExpression(relation.SourceFragment.Identifier));
Members.Add(staticProperty);
var memberProperty = new CodeMemberProperty
{
Name = accessorName,
HasGet = true,
HasSet = false,
Attributes =
MemberAttributes.Public | MemberAttributes.Final,
Type = new CodeTypeReference(typeof(RelationCmd))
};
if (!string.IsNullOrEmpty(relation.Direct.AccessorDescription))
{
WXMLCodeDomGenerator.SetMemberDescription(memberProperty, relation.Direct.AccessorDescription);
}
memberProperty.GetStatements.Add(
new CodeMethodReturnStatement(
new CodeMethodInvokeExpression(
new CodeThisReferenceExpression(),
"GetCmd",
new CodePropertyReferenceExpression(
new CodePropertyReferenceExpression(
null, //WXMLCodeDomGeneratorHelper.GetEntityClassReferenceExpression(_settings, _entity, false),
staticProperty.Name
),
"M2MRel"
)
)
)
);
Members.Add(memberProperty);
_gen.RaisePropertyCreated(null, this, memberProperty, null);
}
accessorName = relation.Reverse.AccessorName;
if (!string.IsNullOrEmpty(accessorName))
{
var entityTypeExpression = WXMLCodeDomGeneratorHelper.GetEntityNameReferenceExpression(_settings, _entity, false);
var desc = new CodeObjectCreateExpression(
new CodeTypeReference(typeof(M2MRelationDesc)),
entityTypeExpression);
accessorName = WXMLCodeDomGeneratorNameHelper.GetMultipleForm(accessorName);
var staticProperty = new CodeMemberProperty
{
Name = accessorName + "Relation",
HasGet = true,
HasSet = false,
Attributes = MemberAttributes.Public | MemberAttributes.Final | MemberAttributes.Static,
Type = relationDescType
};
staticProperty.GetStatements.Add(new CodeMethodReturnStatement(
new CodeObjectCreateExpression(typeof(RelationDescEx),
new CodeObjectCreateExpression(typeof(EntityUnion),
WXMLCodeDomGeneratorHelper.GetEntityNameReferenceExpression(_settings, _entity, false)
), desc)
));
//desc.Parameters.Add(new CodePrimitiveExpression(relation.Reverse.FieldName));
//desc.Parameters.Add(new CodeFieldReferenceExpression(
// new CodeTypeReferenceExpression(typeof(M2MRelationDesc)),"RevKey")
//);
desc.Parameters.Add(new CodePrimitiveExpression(M2MRelationDesc.ReversePrefix + relation.SourceFragment.Identifier));
GetRelationMethods(relation.SourceFragment.Identifier, staticProperty.Name);
Members.Add(staticProperty);
var memberProperty = new CodeMemberProperty
{
Name = accessorName,
HasGet = true,
HasSet = false,
Attributes =
MemberAttributes.Public | MemberAttributes.Final,
Type = new CodeTypeReference(typeof(RelationCmd))
};
if (!string.IsNullOrEmpty(relation.Reverse.AccessorDescription))
{
WXMLCodeDomGenerator.SetMemberDescription(memberProperty, relation.Reverse.AccessorDescription);
}
memberProperty.GetStatements.Add(
new CodeMethodReturnStatement(
new CodeMethodInvokeExpression(
new CodeThisReferenceExpression(),
"GetCmd",
new CodePropertyReferenceExpression(
new CodePropertyReferenceExpression(
null, //WXMLCodeDomGeneratorHelper.GetEntityClassReferenceExpression(_settings, _entity, false),
staticProperty.Name
),
"M2MRel"
)
)
)
);
Members.Add(memberProperty);
_gen.RaisePropertyCreated(null, this, memberProperty, null);
}
}
#endregion
}
