public override object ReadLong(ByteArrayBuffer buffer)
{
var value = buffer.ReadLong();
if (value == long.MaxValue)
{
return null;
}
return value;
}
public override DateTime ReadDate(ByteArrayBuffer bytes)
{
var value = bytes.ReadLong();
if (value == long.MaxValue)
{
return MarshallingConstants0.NullDate;
}
return new DateTime(value);
}
public override DateTime ReadDate(ByteArrayBuffer bytes)
{
long value = bytes.ReadLong();
if (value == long.MaxValue)
{
return(MarshallingConstants0.NullDate);
}
return(new DateTime(value));
}
public override object ReadLong(ByteArrayBuffer buffer)
{
long value = buffer.ReadLong();
if (value == long.MaxValue)
{
return(null);
}
return(value);
}
public virtual void ReadThis(ByteArrayBuffer buffer)
{
SystemData().ConverterVersion(buffer.ReadInt());
SystemData().FreespaceSystem(buffer.ReadByte());
buffer.ReadInt();
// was BTreeFreespaceId, converted to slot, can no longer be used
SystemData().IdentityId(buffer.ReadInt());
SystemData().LastTimeStampID(buffer.ReadLong());
SystemData().UuidIndexId(buffer.ReadInt());
}
public virtual void ReadThis(ByteArrayBuffer buffer)
{
SystemData().ConverterVersion(buffer.ReadInt());
SystemData().FreespaceSystem(buffer.ReadByte());
buffer.ReadInt();
// was BTreeFreespaceId, converted to slot, can no longer be used
SystemData().IdentityId(buffer.ReadInt());
SystemData().LastTimeStampID(buffer.ReadLong());
SystemData().UuidIndexId(buffer.ReadInt());
}
protected virtual void CheckThreadFileLock(LocalObjectContainer container, ByteArrayBuffer
reader)
{
reader.Seek(AccessTimeOffset);
var lastAccessTime = reader.ReadLong();
if (LockedByOtherSession(container, lastAccessTime))
{
_timerFileLock.CheckIfOtherSessionAlive(container, 0, AccessTimeOffset, lastAccessTime
);
}
}
private bool CheckSumOK(ByteArrayBuffer buffer, int offset)
{
var initialOffSet = buffer.Offset();
var length = OwnLength();
length -= ChecksumLength;
buffer.Seek(offset);
var readCheckSum = buffer.ReadLong();
var checkSumBeginOffset = buffer.Offset();
var bytes = buffer._buffer;
var calculatedCheckSum = CRC32.CheckSum(bytes, checkSumBeginOffset, length);
buffer.Seek(initialOffSet);
return(calculatedCheckSum == readCheckSum);
}
protected virtual void ReadBuffer(ByteArrayBuffer buffer, bool versionsAreConsistent
)
{
buffer.IncrementOffset(ChecksumLength);
SystemData systemData = SystemData();
systemData.IdSystemSlot(ReadSlot(buffer, false));
systemData.InMemoryFreespaceSlot(ReadSlot(buffer, !versionsAreConsistent));
systemData.BTreeFreespaceId(buffer.ReadInt());
systemData.ConverterVersion(buffer.ReadInt());
systemData.UuidIndexId(buffer.ReadInt());
systemData.IdentityId(buffer.ReadInt());
systemData.LastTimeStampID(buffer.ReadLong());
systemData.FreespaceSystem(buffer.ReadByte());
}
public virtual long ReadLong()
{
return(_current.ReadLong());
}
public override object ReadLong(ByteArrayBuffer buffer)
{
return(buffer.ReadLong());
}
public override DateTime ReadDate(ByteArrayBuffer bytes)
{
return(new DateTime(bytes.ReadLong()));
}
public static double UnmarshalDouble(ByteArrayBuffer buffer)
{
return(Platform4.LongToDouble(buffer.ReadLong()));
}
internal override object Read1(ByteArrayBuffer a_bytes)
{
return(a_bytes.ReadLong());
}
public override DateTime ReadDate(ByteArrayBuffer bytes)
{
return new DateTime(bytes.ReadLong());
}
public static double UnmarshalDouble(ByteArrayBuffer buffer)
{
return Platform4.LongToDouble(buffer.ReadLong());
}
public object ReadIndexEntry(IContext context, ByteArrayBuffer reader)
{
return(new IndexEntry(reader.ReadInt(), reader.ReadLong()));
}
public override object ReadLong(ByteArrayBuffer buffer)
{
return buffer.ReadLong();
}
internal override object Read1(ByteArrayBuffer a_bytes)
{
return a_bytes.ReadLong();
}
protected virtual void ReadBuffer(ByteArrayBuffer buffer, bool versionsAreConsistent
)
{
buffer.IncrementOffset(ChecksumLength);
var systemData = SystemData();
systemData.IdSystemSlot(ReadSlot(buffer, false));
systemData.InMemoryFreespaceSlot(ReadSlot(buffer, !versionsAreConsistent));
systemData.BTreeFreespaceId(buffer.ReadInt());
systemData.ConverterVersion(buffer.ReadInt());
systemData.UuidIndexId(buffer.ReadInt());
systemData.IdentityId(buffer.ReadInt());
systemData.LastTimeStampID(buffer.ReadLong());
systemData.FreespaceSystem(buffer.ReadByte());
}
private bool CheckSumOK(ByteArrayBuffer buffer, int offset)
{
var initialOffSet = buffer.Offset();
var length = OwnLength();
length -= ChecksumLength;
buffer.Seek(offset);
var readCheckSum = buffer.ReadLong();
var checkSumBeginOffset = buffer.Offset();
var bytes = buffer._buffer;
var calculatedCheckSum = CRC32.CheckSum(bytes, checkSumBeginOffset, length);
buffer.Seek(initialOffSet);
return calculatedCheckSum == readCheckSum;
}
