/// <summary>
/// Write simple field with known length.
/// </summary>
/// <param name="fieldName">Field name.</param>
/// <param name="typeId">Type ID.</param>
/// <param name="val">Value.</param>
/// <param name="handler">Handler.</param>
/// <param name="len">Length.</param>
private void WriteSimpleField <T>(string fieldName, byte typeId, T val,
PortableSystemTypedWriteDelegate <T> handler, int len)
{
int fieldId = PortableUtils.FieldId(_curTypeId, fieldName, _curConverter, _curMapper);
WriteSimpleField(fieldId, val, handler, len);
if (_curMetaHnd != null)
{
_curMetaHnd.OnFieldWrite(fieldId, fieldName, typeId);
}
}
/// <summary>
/// Mutate portable object.
/// </summary>
/// <param name="inStream">Input stream with initial object.</param>
/// <param name="outStream">Output stream.</param>
/// <param name="desc">Portable type descriptor.</param>
/// <param name="hashCode">Hash code.</param>
/// <param name="vals">Values.</param>
internal void Mutate(
PortableHeapStream inStream,
PortableHeapStream outStream,
IPortableTypeDescriptor desc,
int hashCode,
IDictionary <string, PortableBuilderField> vals)
{
// Set correct builder to writer frame.
PortableBuilderImpl oldBuilder = _parent._ctx.Writer.Builder(_parent);
int streamPos = inStream.Position;
try
{
// Prepare fields.
IPortableMetadataHandler metaHnd = _portables.Marshaller.MetadataHandler(desc);
IDictionary <int, object> vals0;
if (vals == null || vals.Count == 0)
{
vals0 = EmptyVals;
}
else
{
vals0 = new Dictionary <int, object>(vals.Count);
foreach (KeyValuePair <string, PortableBuilderField> valEntry in vals)
{
int fieldId = PortableUtils.FieldId(desc.TypeId, valEntry.Key, desc.NameConverter, desc.Mapper);
if (vals0.ContainsKey(fieldId))
{
throw new IgniteException("Collision in field ID detected (change field name or " +
"define custom ID mapper) [fieldName=" + valEntry.Key + ", fieldId=" + fieldId + ']');
}
vals0[fieldId] = valEntry.Value.Value;
// Write metadata if: 1) it is enabled for type; 2) type is not null (i.e. it is neither
// remove marker, nor a field read through "GetField" method.
if (metaHnd != null && valEntry.Value.Type != null)
{
metaHnd.OnFieldWrite(fieldId, valEntry.Key, TypeId(valEntry.Value.Type));
}
}
}
// Actual processing.
Mutate0(_parent._ctx, inStream, outStream, true, hashCode, vals0);
// 3. Handle metadata.
if (metaHnd != null)
{
IDictionary <string, int> meta = metaHnd.OnObjectWriteFinished();
if (meta != null)
{
_parent._ctx.Writer.SaveMetadata(desc.TypeId, desc.TypeName, desc.AffinityKeyFieldName, meta);
}
}
}
finally
{
// Restore builder frame.
_parent._ctx.Writer.Builder(oldBuilder);
inStream.Seek(streamPos, SeekOrigin.Begin);
}
}
