/// <summary>
/// Write enum value.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="val">Enum value.</param>
public void WriteEnum <T>(T val)
{
// ReSharper disable once CompareNonConstrainedGenericWithNull
if (val == null)
{
WriteNullField();
}
else
{
var desc = _marsh.GetDescriptor(val.GetType());
if (desc != null)
{
var metaHnd = _marsh.GetBinaryTypeHandler(desc);
_stream.WriteByte(BinaryUtils.TypeEnum);
BinaryUtils.WriteEnum(this, val);
SaveMetadata(desc, metaHnd.OnObjectWriteFinished());
}
else
{
// Unregistered enum, write as serializable
Write(new SerializableObjectHolder(val));
}
}
}
/// <summary>
/// Internal deserialization routine.
/// </summary>
/// <param name="mode">The mode.</param>
/// <returns>
/// Deserialized object.
/// </returns>
private T Deserialize <T>(BinaryMode mode)
{
if (_deserialized == null)
{
T res;
using (IBinaryStream stream = new BinaryHeapStream(_data))
{
stream.Seek(_offset, SeekOrigin.Begin);
res = _marsh.Unmarshal <T>(stream, mode);
}
var desc = _marsh.GetDescriptor(true, _header.TypeId);
if (!desc.KeepDeserialized)
{
return(res);
}
_deserialized = res;
}
return((T)_deserialized);
}
/** <inheritDoc /> */
public IBinaryObjectBuilder GetBuilder(Type type)
{
IgniteArgumentCheck.NotNull(type, "type");
IBinaryTypeDescriptor desc = _marsh.GetDescriptor(type);
if (desc == null)
throw new IgniteException("Type is not binary (add it to BinaryConfiguration): " +
type.FullName);
return Builder0(null, null, desc);
}
/** <inheritDoc /> */
public IBinaryType GetBinaryType(Type type)
{
IgniteArgumentCheck.NotNull(type, "type");
var desc = Marshaller.GetDescriptor(type);
return(desc == null ? null : Marshaller.GetBinaryType(desc.TypeId));
}
/** <inheritDoc /> */
public IBinaryObject BuildEnum(string typeName, int value)
{
IgniteArgumentCheck.NotNullOrEmpty(typeName, "typeName");
var desc = Marshaller.GetDescriptor(typeName);
IgniteArgumentCheck.Ensure(desc.IsEnum, "typeName", "Type should be an Enum.");
_marsh.PutBinaryType(desc);
return(new BinaryEnum(GetTypeId(typeName), value, Marshaller));
}
/** <inheritDoc /> */
public IBinaryObject BuildEnum(Type type, int value)
{
IgniteArgumentCheck.NotNull(type, "type");
IgniteArgumentCheck.Ensure(type.IsEnum, "type", "Type should be an Enum.");
var desc = Marshaller.GetDescriptor(type);
IgniteArgumentCheck.Ensure(desc.IsEnum, "typeName", "Type should be an Enum.");
_marsh.PutBinaryType(desc);
return new BinaryEnum(desc.TypeId, value, Marshaller);
}
/** <inheritDoc /> */
public IBinaryObject BuildEnum(Type type, string valueName)
{
IgniteArgumentCheck.NotNull(type, "type");
IgniteArgumentCheck.NotNullOrEmpty(valueName, "valueName");
var desc = Marshaller.GetDescriptor(type);
IgniteArgumentCheck.Ensure(desc.IsEnum, "typeName", "Type should be an Enum.");
_marsh.PutBinaryType(desc);
var value = GetEnumValueAsInt(type.ToString(), valueName, desc);
return(new BinaryEnum(desc.TypeId, value, Marshaller));
}
/** <inheritdoc /> */
public override string ToString()
{
var meta = GetBinaryType();
if (meta == null || meta == BinaryType.Empty)
{
return(string.Format("BinaryEnum [typeId={0}, enumValue={1}]", _typeId, _enumValue));
}
var desc = _marsh.GetDescriptor(true, _typeId);
var enumValueName = desc != null && desc.Type != null?Enum.GetName(desc.Type, _enumValue) : null;
return(string.Format("{0} [typeId={1}, enumValue={2}, enumValueName={3}]",
meta.TypeName, _typeId, _enumValue, enumValueName));
}
/** <inheritDoc /> */
public int GetTypeId(string typeName)
{
IgniteArgumentCheck.NotNullOrEmpty(typeName, "typeName");
return(Marshaller.GetDescriptor(typeName).TypeId);
}
/// <summary>
/// Write object.
/// </summary>
/// <param name="obj">Object.</param>
public void Write <T>(T obj)
{
// Handle special case for null.
if (obj == null)
{
_stream.WriteByte(BinaryUtils.HdrNull);
return;
}
// We use GetType() of a real object instead of typeof(T) to take advantage of
// automatic Nullable'1 unwrapping.
Type type = obj.GetType();
// Handle common case when primitive is written.
if (type.IsPrimitive)
{
WritePrimitive(obj, type);
return;
}
// Handle special case for builder.
if (WriteBuilderSpecials(obj))
{
return;
}
// Suppose that we faced normal object and perform descriptor lookup.
IBinaryTypeDescriptor desc = type.IsEnum ? null : _marsh.GetDescriptor(type);
if (desc != null)
{
// Writing normal object.
var pos = _stream.Position;
// Dealing with handles.
if (!(desc.Serializer is IBinarySystemTypeSerializer) && WriteHandle(pos, obj))
{
return;
}
// Skip header length as not everything is known now
_stream.Seek(BinaryObjectHeader.Size, SeekOrigin.Current);
// Preserve old frame.
int oldTypeId = _curTypeId;
IBinaryNameMapper oldConverter = _curConverter;
IBinaryIdMapper oldMapper = _curMapper;
int oldRawPos = _curRawPos;
var oldPos = _curPos;
var oldStruct = _curStruct;
// Push new frame.
_curTypeId = desc.TypeId;
_curConverter = desc.NameMapper;
_curMapper = desc.IdMapper;
_curRawPos = 0;
_curPos = pos;
_curStruct = new BinaryStructureTracker(desc, desc.WriterTypeStructure);
var schemaIdx = _schema.PushSchema();
try
{
// Write object fields.
desc.Serializer.WriteBinary(obj, this);
// Write schema
var schemaOffset = _stream.Position - pos;
int schemaId;
var flags = desc.UserType
? BinaryObjectHeader.Flag.UserType
: BinaryObjectHeader.Flag.None;
var hasSchema = _schema.WriteSchema(_stream, schemaIdx, out schemaId, ref flags);
if (hasSchema)
{
flags |= BinaryObjectHeader.Flag.HasSchema;
// Calculate and write header.
if (_curRawPos > 0)
{
_stream.WriteInt(_curRawPos - pos); // raw offset is in the last 4 bytes
}
}
else
{
schemaOffset = BinaryObjectHeader.Size;
}
if (_curRawPos > 0)
{
flags |= BinaryObjectHeader.Flag.HasRaw;
}
var len = _stream.Position - pos;
var header = new BinaryObjectHeader(desc.TypeId, obj.GetHashCode(), len,
schemaId, schemaOffset, flags);
BinaryObjectHeader.Write(header, _stream, pos);
Stream.Seek(pos + len, SeekOrigin.Begin); // Seek to the end
}
finally
{
_schema.PopSchema(schemaIdx);
}
// Apply structure updates if any.
_curStruct.UpdateWriterStructure(this);
// Restore old frame.
_curTypeId = oldTypeId;
_curConverter = oldConverter;
_curMapper = oldMapper;
_curRawPos = oldRawPos;
_curPos = oldPos;
_curStruct = oldStruct;
}
else
{
// Are we dealing with a well-known type?
var handler = BinarySystemHandlers.GetWriteHandler(type);
if (handler == null) // We did our best, object cannot be marshalled.
{
throw new BinaryObjectException("Unsupported object type [type=" + type + ", object=" + obj + ']');
}
handler(this, obj);
}
}
private T ReadFullObject <T>(int pos)
{
var hdr = BinaryObjectHeader.Read(Stream, pos);
// Validate protocol version.
BinaryUtils.ValidateProtocolVersion(hdr.Version);
try
{
// Already read this object?
object hndObj;
if (_hnds != null && _hnds.TryGetValue(pos, out hndObj))
{
return((T)hndObj);
}
if (hdr.IsUserType && _mode == BinaryMode.ForceBinary)
{
BinaryObject portObj;
if (_detach)
{
Stream.Seek(pos, SeekOrigin.Begin);
portObj = new BinaryObject(_marsh, Stream.ReadByteArray(hdr.Length), 0, hdr);
}
else
{
portObj = new BinaryObject(_marsh, Stream.GetArray(), pos, hdr);
}
T obj = _builder == null ? TypeCaster <T> .Cast(portObj) : TypeCaster <T> .Cast(_builder.Child(portObj));
AddHandle(pos, obj);
return(obj);
}
else
{
// Find descriptor.
var desc = _marsh.GetDescriptor(hdr.IsUserType, hdr.TypeId);
// Instantiate object.
if (desc.Type == null)
{
if (desc is BinarySurrogateTypeDescriptor)
{
throw new BinaryObjectException("Unknown type ID: " + hdr.TypeId);
}
throw new BinaryObjectException("No matching type found for object [typeId=" +
desc.TypeId + ", typeName=" + desc.TypeName + ']');
}
// Preserve old frame.
var oldHdr = _curHdr;
int oldPos = _curPos;
var oldStruct = _curStruct;
bool oldRaw = _curRaw;
var oldSchema = _curSchema;
var oldSchemaMap = _curSchemaMap;
// Set new frame.
_curHdr = hdr;
_curPos = pos;
SetCurSchema(desc);
_curStruct = new BinaryStructureTracker(desc, desc.ReaderTypeStructure);
_curRaw = false;
// Read object.
Stream.Seek(pos + BinaryObjectHeader.Size, SeekOrigin.Begin);
var obj = desc.Serializer.ReadBinary <T>(this, desc.Type, pos);
_curStruct.UpdateReaderStructure();
// Restore old frame.
_curHdr = oldHdr;
_curPos = oldPos;
_curStruct = oldStruct;
_curRaw = oldRaw;
_curSchema = oldSchema;
_curSchemaMap = oldSchemaMap;
return(obj);
}
}
finally
{
// Advance stream pointer.
Stream.Seek(pos + hdr.Length, SeekOrigin.Begin);
}
}
