/// <summary>
/// Read the given property value.
/// </summary>
/// <param name="reader">Stream to read from.</param>
/// <param name="property">Property to read.</param>
/// <param name="valueSize">The size in bytes of the value.</param>
protected override void ReadProperty(BinaryReader reader, int property, int valueSize)
{
ByteAlignedReadWriteHelper.ReadPaddingUntilAligned(reader, true);
switch ((PropertyId)property)
{
case PropertyId.ValuesHandle:
this.ValuesHandle = BlockHandle.Read(reader);
break;
case PropertyId.ValueCount:
this.ValueCount = reader.ReadInt64();
break;
case PropertyId.FileId:
this.FileId = reader.ReadUInt32();
ByteAlignedReadWriteHelper.ReadPaddingUntilAligned(reader, true);
break;
default:
base.ReadProperty(reader, property, valueSize);
ByteAlignedReadWriteHelper.ReadPaddingUntilAligned(reader, true);
break;
}
ByteAlignedReadWriteHelper.ReadPaddingUntilAligned(reader, true);
}
/// <summary>
/// Serialize the <see cref="ValueCheckpointFileProperties"/> into the given stream.
/// </summary>
/// <param name="writer">The stream to write to.</param>
/// <remarks>
/// The data is written is 8 bytes aligned.
/// Name Type Size
///
/// ValuesHandle.PID int 4
/// SerializedSize VarInt 1
/// RESERVED 3
/// KeyHandle bytes 16
///
/// ValueCount.PID int 4
/// SerializedSize VarInt 1
/// RESERVED 3
/// ValueCount long 8
///
/// FileId.PID int 4
/// Size VarInt 1
/// RESERVED 3
/// FileId bytes 4
/// RESERVED 4
///
/// RESERVED: Fixed padding that is usable to add fields in future.
/// PADDING: Due to dynamic size, cannot be used for adding fields.
/// </remarks>
public override void Write(BinaryWriter writer)
{
ByteAlignedReadWriteHelper.AssertIfNotAligned(writer.BaseStream);
// 'ValuesHandle' - BlockHandle
writer.Write((int)PropertyId.ValuesHandle);
VarInt.Write(writer, (int)BlockHandle.SerializedSize);
ByteAlignedReadWriteHelper.WritePaddingUntilAligned(writer);
this.ValuesHandle.Write(writer);
// 'ValueCount' - long
writer.Write((int)PropertyId.ValueCount);
VarInt.Write(writer, (int)sizeof(long));
ByteAlignedReadWriteHelper.WritePaddingUntilAligned(writer);
writer.Write((long)this.ValueCount);
// 'FileId' - int
writer.Write((int)PropertyId.FileId);
VarInt.Write(writer, (int)sizeof(int));
ByteAlignedReadWriteHelper.WritePaddingUntilAligned(writer);
writer.Write((int)this.FileId);
ByteAlignedReadWriteHelper.WritePaddingUntilAligned(writer);
ByteAlignedReadWriteHelper.AssertIfNotAligned(writer.BaseStream);
}
