private AbstractObjectInfo GetNativeObjectInfoInternal(OdbType type, object o, bool recursive,
IDictionary<object, NonNativeObjectInfo>
alreadyReadObjects, IIntrospectionCallback callback)
{
AbstractObjectInfo aoi = null;
if (type.IsAtomicNative())
{
if (o == null)
aoi = new NullNativeObjectInfo(type.Id);
else
aoi = new AtomicNativeObjectInfo(o, type.Id);
}
else if (type.IsArray())
{
if (o == null)
aoi = new ArrayObjectInfo(null);
else
{
// Gets the type of the elements of the array
var realArrayClassName = OdbClassNameResolver.GetFullName(o.GetType().GetElementType());
var arrayObjectInfo = recursive
? IntrospectArray(o, alreadyReadObjects, type, callback)
: new ArrayObjectInfo((object[]) o);
arrayObjectInfo.SetRealArrayComponentClassName(realArrayClassName);
aoi = arrayObjectInfo;
}
}
else if (type.IsEnum())
{
var enumObject = (Enum) o;
// Here we must check if the enum is already in the meta model. Enum must be stored in the meta
// model to optimize its storing as we need to keep track of the enum class
// for each enum stored. So instead of storing the enum class name, we can store enum class id, a long
// instead of the full enum class name string
var classInfo = GetClassInfo(enumObject.GetType());
var enumValue = enumObject.ToString();
aoi = new EnumNativeObjectInfo(classInfo, enumValue);
}
return aoi;
}
public override AbstractObjectInfo CreateCopy(IDictionary <OID, AbstractObjectInfo> cache, bool onlyData)
{
var array = GetArray();
var length = array.Length;
var atomicNativeObjectInfos = new AtomicNativeObjectInfo[length];
for (var i = 0; i < length; i++)
{
var aoi = (AbstractObjectInfo)array[i];
atomicNativeObjectInfos[i] = aoi.CreateCopy(cache, onlyData) as AtomicNativeObjectInfo;
}
var arrayOfAoi = new ArrayObjectInfo(atomicNativeObjectInfos);
arrayOfAoi.SetRealArrayComponentClassName(_realArrayComponentClassName);
arrayOfAoi.SetComponentTypeId(_componentTypeId);
return(arrayOfAoi);
}
public override AbstractObjectInfo CreateCopy(IDictionary<OID, AbstractObjectInfo> cache, bool onlyData)
{
var array = GetArray();
var length = array.Length;
var atomicNativeObjectInfos = new AtomicNativeObjectInfo[length];
for (var i = 0; i < length; i++)
{
var aoi = (AbstractObjectInfo) array[i];
atomicNativeObjectInfos[i] = aoi.CreateCopy(cache, onlyData) as AtomicNativeObjectInfo;
}
var arrayOfAoi = new ArrayObjectInfo(atomicNativeObjectInfos);
arrayOfAoi.SetRealArrayComponentClassName(_realArrayComponentClassName);
arrayOfAoi.SetComponentTypeId(_componentTypeId);
return arrayOfAoi;
}
private static ArrayObjectInfo IntropectAtomicNativeArray(object array, OdbType type)
{
var length = ((Array) array).GetLength(0);
var arrayCopy = new object[length];
for (var i = 0; i < length; i++)
{
var o = ((Array) array).GetValue(i);
if (o != null)
{
// If object is not null, try to get the exact type
var typeId = OdbType.GetFromClass(o.GetType()).Id;
var atomicNativeObjectInfo = new AtomicNativeObjectInfo(o, typeId);
arrayCopy[i] = atomicNativeObjectInfo;
}
else
{
// Else take the declared type
arrayCopy[i] = new NullNativeObjectInfo(type.Id);
}
}
return new ArrayObjectInfo(arrayCopy, OdbType.Array, type.Id);
}
private static object BuildOneInstance(AtomicNativeObjectInfo objectInfo)
{
var odbTypeId = objectInfo.GetOdbTypeId();
return CheckIfNull(objectInfo, odbTypeId);
}
private long WriteAtomicNativeObject(AtomicNativeObjectInfo anoi, bool writeInTransaction,
int totalSpaceIfString = -1)
{
var startPosition = FileSystemProcessor.FileSystemInterface.GetPosition();
var odbTypeId = anoi.GetOdbTypeId();
WriteNativeObjectHeader(odbTypeId, anoi.IsNull(), BlockTypes.BlockTypeNativeObject, writeInTransaction);
if (anoi.IsNull())
{
// Even if object is null, reserve space for to simplify/enable in
// place update
FileSystemProcessor.FileSystemInterface.EnsureSpaceFor(anoi.GetOdbType());
return startPosition;
}
var @object = anoi.GetObject();
switch (odbTypeId)
{
case OdbType.ByteId:
{
FileSystemProcessor.FileSystemInterface.WriteByte(((byte) @object), writeInTransaction);
break;
}
case OdbType.SByteId:
{
FileSystemProcessor.FileSystemInterface.WriteSByte(((sbyte)@object), writeInTransaction);
break;
}
case OdbType.BooleanId:
{
FileSystemProcessor.FileSystemInterface.WriteBoolean(((bool) @object), writeInTransaction);
break;
}
case OdbType.CharacterId:
{
FileSystemProcessor.FileSystemInterface.WriteChar(((char) @object), writeInTransaction);
break;
}
case OdbType.FloatId:
{
FileSystemProcessor.FileSystemInterface.WriteFloat(((float) @object), writeInTransaction);
break;
}
case OdbType.DoubleId:
{
FileSystemProcessor.FileSystemInterface.WriteDouble(((double) @object), writeInTransaction);
break;
}
case OdbType.IntegerId:
{
FileSystemProcessor.FileSystemInterface.WriteInt(((int) @object), writeInTransaction);
break;
}
case OdbType.UIntegerId:
{
FileSystemProcessor.FileSystemInterface.WriteUInt(((uint)@object), writeInTransaction); // native attr
break;
}
case OdbType.LongId:
{
FileSystemProcessor.FileSystemInterface.WriteLong(((long)@object), writeInTransaction); // native attr
break;
}
case OdbType.ULongId:
{
FileSystemProcessor.FileSystemInterface.WriteULong(((ulong)@object), writeInTransaction); // native attr
break;
}
case OdbType.ShortId:
{
FileSystemProcessor.FileSystemInterface.WriteShort(((short) @object), writeInTransaction);
break;
}
case OdbType.UShortId:
{
FileSystemProcessor.FileSystemInterface.WriteUShort(((ushort)@object), writeInTransaction);
break;
}
case OdbType.DecimalId:
{
FileSystemProcessor.FileSystemInterface.WriteBigDecimal((Decimal) @object, writeInTransaction);
break;
}
case OdbType.DateId:
{
FileSystemProcessor.FileSystemInterface.WriteDate((DateTime) @object, writeInTransaction);
break;
}
case OdbType.StringId:
{
FileSystemProcessor.FileSystemInterface.WriteString((string) @object, writeInTransaction, totalSpaceIfString);
break;
}
case OdbType.OidId:
{
var oid = ((ObjectOID) @object).ObjectId;
FileSystemProcessor.FileSystemInterface.WriteLong(oid, writeInTransaction);
break;
}
case OdbType.ObjectOidId:
{
var ooid = ((ObjectOID) @object).ObjectId;
FileSystemProcessor.FileSystemInterface.WriteLong(ooid, writeInTransaction);
break;
}
case OdbType.ClassOidId:
{
var coid = ((ClassOID) @object).ObjectId;
FileSystemProcessor.FileSystemInterface.WriteLong(coid, writeInTransaction);
break;
}
default:
{
var typeId = odbTypeId.ToString();
var message =
"native type with odb type id " + typeId + " (" + OdbType.GetNameFromId(odbTypeId) + ") for attribute ? is not suported";
throw new OdbRuntimeException(NDatabaseError.InternalError.AddParameter(message));
}
}
return startPosition;
}