/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception> private UUIDFieldMetadata.DatabaseIdentityIDAndUUID ReadDatabaseIdentityIDAndUUID (ObjectContainerBase container, ClassMetadata classMetadata, Slot oldSlot, bool checkClass) { if (DTrace.enabled) { DTrace.RereadOldUuid.LogLength(oldSlot.Address(), oldSlot.Length()); } ByteArrayBuffer reader = container.DecryptedBufferByAddress(oldSlot.Address(), oldSlot .Length()); if (checkClass) { ClassMetadata realClass = ClassMetadata.ReadClass(container, reader); if (realClass != classMetadata) { return(null); } } if (classMetadata.SeekToField(container.Transaction, reader, this) == HandlerVersion .Invalid) { return(null); } return(new UUIDFieldMetadata.DatabaseIdentityIDAndUUID(reader.ReadInt(), reader.ReadLong ())); }
public long ReadLong() { long value = _source.ReadLong(); _target.IncrementOffset(Const4.LongLength); return(value); }
public override object ReadLong(ByteArrayBuffer buffer) { long value = buffer.ReadLong(); if (value == long.MaxValue) { return null; } return value; }
public override DateTime ReadDate(ByteArrayBuffer bytes) { long value = bytes.ReadLong(); if (value == long.MaxValue) { return MarshallingConstants0.NullDate; } return new DateTime(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()); }
protected virtual void CheckThreadFileLock(LocalObjectContainer container, ByteArrayBuffer reader) { reader.Seek(AccessTimeOffset); long lastAccessTime = reader.ReadLong(); if (FileHeader.LockedByOtherSession(container, lastAccessTime)) { _timerFileLock.CheckIfOtherSessionAlive(container, 0, AccessTimeOffset, lastAccessTime ); } }
internal override object Read1(ByteArrayBuffer a_bytes) { return a_bytes.ReadLong(); }
public override object ReadLong(ByteArrayBuffer buffer) { return buffer.ReadLong(); }
public override DateTime ReadDate(ByteArrayBuffer bytes) { return new DateTime(bytes.ReadLong()); }
public object ReadIndexEntry(IContext context, ByteArrayBuffer reader) { return new IndexEntry(reader.ReadInt(), reader.ReadLong()); }
public static double UnmarshalDouble(ByteArrayBuffer buffer) { return Platform4.LongToDouble(buffer.ReadLong()); }
public virtual object ReadIndexEntry(IContext context, ByteArrayBuffer reader) { return new CommitTimestampSupport.TimestampEntry(reader.ReadInt(), reader.ReadLong ()); }
public virtual object ReadIndexEntry(IContext context, ByteArrayBuffer reader) { return(new CommitTimestampSupport.TimestampEntry(reader.ReadInt(), reader.ReadLong ())); }
private bool CheckSumOK(ByteArrayBuffer buffer, int offset) { int initialOffSet = buffer.Offset(); int length = OwnLength(); length -= ChecksumLength; buffer.Seek(offset); long readCheckSum = buffer.ReadLong(); int checkSumBeginOffset = buffer.Offset(); byte[] bytes = buffer._buffer; long 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()); }