protected virtual void OnPupulateEntityRelations()
{
var relationDescType = new CodeTypeReference(typeof(RelationDescEx));
foreach (var entityRelation in _entity.GetActiveOne2ManyRelations())
{
string accessorName = string.IsNullOrEmpty(entityRelation.AccessorName) ? WXMLCodeDomGeneratorNameHelper.GetMultipleForm(entityRelation.Entity.Name) : entityRelation.AccessorName;
var staticProperty = new CodeMemberProperty
{
Name = accessorName + "Relation",
HasGet = true,
HasSet = false,
Attributes = MemberAttributes.Public | MemberAttributes.Final | MemberAttributes.Static,
Type = relationDescType
};
var entityTypeExpression = Settings.UseTypeInProps ? WXMLCodeDomGeneratorHelper.GetEntityClassTypeReferenceExpression(_settings, entityRelation.Entity, entityRelation.Entity.Namespace != _entity.Namespace || _entity.ScopeNames().Any(item => item == entityRelation.Entity.Name)) : WXMLCodeDomGeneratorHelper.GetEntityNameReferenceExpression(_settings, entityRelation.Entity, entityRelation.Entity.Namespace != _entity.Namespace || _entity.ScopeNames().Any(item => item == entityRelation.Entity.Name));
var selfEntityTypeExpression = Settings.UseTypeInProps ? WXMLCodeDomGeneratorHelper.GetEntityClassTypeReferenceExpression(_settings, _entity, false) : WXMLCodeDomGeneratorHelper.GetEntityNameReferenceExpression(_settings, _entity, false);
staticProperty.GetStatements.Add(
new CodeMethodReturnStatement(
new CodeObjectCreateExpression(
relationDescType,
new CodeObjectCreateExpression(
typeof(EntityUnion),
selfEntityTypeExpression
),
new CodeObjectCreateExpression(
typeof(RelationDesc),
new CodeObjectCreateExpression(
new CodeTypeReference(typeof(EntityUnion)),
entityTypeExpression
),
WXMLCodeDomGeneratorHelper.GetFieldNameReferenceExpression(_settings, entityRelation.Property, entityRelation.Entity.Namespace != _entity.Namespace || _entity.ScopeNames().Any(item => item == entityRelation.Entity.Name)),
new CodePrimitiveExpression(entityRelation.Name ?? "default")
)
)
)
);
Members.Add(staticProperty);
string cd = new WXMLCodeDomGeneratorNameHelper(_settings).GetEntityClassName(entityRelation.Property.Entity, entityRelation.Entity.Namespace != _entity.Namespace || _entity.ScopeNames().Any(item => item == entityRelation.Entity.Name)) + ".Properties";
//string dn = new WXMLCodeDomGeneratorNameHelper(_settings).GetEntityClassName(entityRelation.Entity, true) + ".Descriptor";
//CodeDom.Field<string>(CodeDom.TypeRef(dn), "EntityName")
CodeExpression exp = CodeDom.GetExpression((EntityUnion hostEntity) =>
new RelationDescEx(hostEntity, new RelationDesc(
new EntityUnion(CodeDom.InjectExp <string>(0)),
CodeDom.Field <string>(CodeDom.TypeRef_str(cd), entityRelation.Property.PropertyAlias),
entityRelation.Name
)), entityTypeExpression);
Members.Add(Define.Method(MemberAttributes.Public | MemberAttributes.Final | MemberAttributes.Static,
typeof(RelationDescEx),
(EntityUnion hostEntity) => "Get" + staticProperty.Name,
Emit.@return(exp)
));
Members.Add(Define.Method(MemberAttributes.Public | MemberAttributes.Final | MemberAttributes.Static,
typeof(RelationDescEx),
(EntityUnion hostEntity, EntityUnion joinEntity) => "Get" + staticProperty.Name,
Emit.@return((EntityUnion hostEntity, EntityUnion joinEntity) =>
new RelationDescEx(hostEntity, new RelationDesc(
joinEntity,
CodeDom.Field <string>(CodeDom.TypeRef_str(cd), entityRelation.Property.PropertyAlias),
entityRelation.Name
))
)
));
var memberProperty = new CodeMemberProperty
{
Name = accessorName,
HasGet = true,
HasSet = false,
Attributes =
MemberAttributes.Public | MemberAttributes.Final,
Type = new CodeTypeReference(typeof(RelationCmd))
};
if (!string.IsNullOrEmpty(entityRelation.AccessorDescription))
{
WXMLCodeDomGenerator.SetMemberDescription(memberProperty, entityRelation.AccessorDescription);
}
memberProperty.GetStatements.Add(
new CodeMethodReturnStatement(
new CodeMethodInvokeExpression(
new CodeThisReferenceExpression(),
"GetCmd",
new CodePropertyReferenceExpression(
new CodePropertyReferenceExpression(
null, //WXMLCodeDomGeneratorHelper.GetEntityClassReferenceExpression(_settings, _entity, false),
staticProperty.Name
),
"Rel"
)
)
)
);
Members.Add(memberProperty);
_gen.RaisePropertyCreated(null, this, memberProperty, null);
}
}
