public void AddField(Type type, Type fieldType, string fieldName)
{
var classInfo = _metaModel.GetClassInfo(type, true);
// The real attribute id (-1) will be set in the ci.addAttribute
var fullClassName = OdbClassNameResolver.GetFullName(fieldType);
var attributeInfo = new ClassAttributeInfo(-1, fieldName, fullClassName, classInfo);
classInfo.AddAttribute(attributeInfo);
_objectWriter.UpdateClassInfo(classInfo, true);
}
internal void AddAttribute(ClassAttributeInfo cai)
{
cai.SetId(MaxAttributeId++);
_attributes.Add(cai);
_attributesCache.AttributesByName.Add(cai.GetName(), cai);
}
internal void RemoveAttribute(ClassAttributeInfo cai)
{
_attributes.Remove(cai);
_attributesCache.AttributesByName.Remove(cai.GetName());
}
/// <summary>
/// Writes a class attribute info, an attribute of a class
/// </summary>
public void WriteClassAttributeInfo(IStorageEngine storageEngine, ClassAttributeInfo cai, bool writeInTransaction)
{
FileSystemInterface.WriteInt(cai.GetId(), writeInTransaction);
FileSystemInterface.WriteBoolean(cai.IsNative(), writeInTransaction);
if (cai.IsNative())
{
FileSystemInterface.WriteInt(cai.GetAttributeType().Id, writeInTransaction);
if (cai.GetAttributeType().IsArray())
{
FileSystemInterface.WriteInt(cai.GetAttributeType().SubType.Id, writeInTransaction);
// when the attribute is not native, then write its class info position
if (cai.GetAttributeType().SubType.IsNonNative())
{
FileSystemInterface.WriteLong(
storageEngine.GetSession().GetMetaModel().GetClassInfo(
cai.GetAttributeType().SubType.Name, true).ClassInfoId.ObjectId,
writeInTransaction); // class info id of array subtype
}
}
// For enum, we write the class info id of the enum class
if (cai.GetAttributeType().IsEnum())
{
FileSystemInterface.WriteLong(
storageEngine.GetSession().GetMetaModel().GetClassInfo(cai.GetFullClassname(), true).ClassInfoId
.ObjectId, writeInTransaction); // class info id
}
}
else
{
FileSystemInterface.WriteLong(
storageEngine.GetSession().GetMetaModel().GetClassInfo(cai.GetFullClassname(), true).ClassInfoId.
ObjectId, writeInTransaction); // class info id
}
FileSystemInterface.WriteString(cai.GetName(), writeInTransaction);
FileSystemInterface.WriteBoolean(cai.IsIndex(), writeInTransaction);
}