protected List <AssociationPropertyInfo> CreateAssoicationClass(TableName tname, Class clss)
{
List <AssociationPropertyInfo> properties = new List <AssociationPropertyInfo>();
var schema = TableSchemaCache.GetSchema(tname);
var pkeys = schema.ByForeignKeys.Keys.OrderBy(k => k.FK_Table);
foreach (IForeignKey pkey in pkeys)
{
string entity = ident.Identifier(pkey.FK_Table);
TypeInfo type;
string propertyName;
bool one2many = IsOneToMany(tname, pkey);
if (one2many)
{
type = new TypeInfo {
UserType = $"EntitySet<{entity}>"
};
propertyName = Plural.Pluralize(entity);
}
else
{
type = new TypeInfo {
UserType = $"EntityRef<{entity}>"
};
propertyName = Plural.Singularize(entity);
}
var property = new Property(type, propertyName);
clss.Add(property);
properties.Add(new AssociationPropertyInfo
{
PropertyType = entity,
PropertyName = propertyName,
OneToMany = one2many,
PK_Column = pkey.PK_Column,
FK_Column = pkey.FK_Column,
});
}
var fkeys = schema.ForeignKeys.Keys.OrderBy(k => k.FK_Table);
foreach (IForeignKey fkey in fkeys)
{
string entity = ident.Identifier(fkey.PK_Table);
TypeInfo type = new TypeInfo {
UserType = $"EntityRef<{entity}>"
};
string propertyName = Plural.Singularize(entity);
var property = new Property(type, propertyName);
clss.Add(property);
properties.Add(new AssociationPropertyInfo
{
PropertyType = entity,
PropertyName = propertyName,
OneToMany = false,
PK_Column = fkey.FK_Column,
FK_Column = fkey.PK_Column,
});
}
return(properties);
}
/// <summary>
/// add children tables
/// </summary>
/// <param name="clss"></param>
/// <param name="constructor"></param>
/// <param name="key"></param>
/// <returns></returns>
private Property AddEntitySet(Class clss, Constructor constructor, IForeignKey key)
{
TableName fk_tname = new TableName(tname.DatabaseName, key.FK_Schema, key.FK_Table);
string fk_cname = fk_tname.ToClassName(rule: null);
string pname;
Property prop;
TypeInfo ty;
Field field;
var fk_schema = TableSchemaCache.GetSchema(fk_tname);
var _keys = fk_schema.PrimaryKeys.Keys;
if (_keys.Length == 1 && _keys.Contains(key.FK_Column))
{
// 1:1 mapping
pname = clss.MakeUniqueName(Plural.Singularize(fk_cname));
ty = new TypeInfo {
UserType = $"EntityRef<{fk_cname}>"
};
field = new Field(ty, $"_{pname}")
{
Modifier = Modifier.Private
};
prop = new Property(new TypeInfo {
UserType = fk_cname
}, pname)
{
Modifier = Modifier.Public
};
prop.Gets.Append($"return this._{pname}.Entity;");
prop.Sets.Append($"this._{pname}.Entity = value;");
prop.AddAttribute(new AttributeInfo("Association",
new
{
Name = $"{this.ClassName}_{fk_cname}",
Storage = $"_{pname}",
ThisKey = key.PK_Column,
OtherKey = key.FK_Column,
IsUnique = true,
IsForeignKey = false
}));
}
else
{
//1:n mapping
pname = clss.MakeUniqueName(Plural.Pluralize(fk_cname));
constructor.Statement.AppendLine($"this._{pname} = new EntitySet<{fk_cname}>();");
ty = new TypeInfo {
UserType = $"EntitySet<{fk_cname}>"
};
field = new Field(ty, $"_{pname}")
{
Modifier = Modifier.Private
};
prop = new Property(ty, pname)
{
Modifier = Modifier.Public
};
prop.Gets.Append($"return this._{pname};");
prop.Sets.Append($"this._{pname}.Assign(value);");
prop.AddAttribute(new AttributeInfo("Association",
new
{
Name = $"{this.ClassName}_{fk_cname}",
Storage = $"_{pname}",
ThisKey = key.PK_Column,
OtherKey = key.FK_Column,
IsForeignKey = false
}));
}
clss.Add(field);
return(prop);
}
