public object Read(IPackStreamReader reader, byte signature, long size)
{
switch (signature)
{
case Point2DStructType:
{
PackStream.EnsureStructSize("Point2D", Point2DStructSize, size);
var srId = reader.ReadInteger();
var x = reader.ReadDouble();
var y = reader.ReadDouble();
return(new CypherPoint(srId, x, y));
}
case Point3DStructType:
{
PackStream.EnsureStructSize("Point3D", Point3DStructSize, size);
var srId = reader.ReadInteger();
var x = reader.ReadDouble();
var y = reader.ReadDouble();
var z = reader.ReadDouble();
return(new CypherPoint(srId, x, y, z));
}
default:
throw new ProtocolException(
$"Unsupported struct signature {signature} passed to {nameof(PointHandler)}!");
}
}
public object Read(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("Date", StructSize, size);
var epochDays = reader.ReadLong();
return(new CypherDate(epochDays));
}
public override object Deserialize(IPackStreamReader reader, byte signature, long size)
{
var urn = reader.ReadLong();
var relType = reader.ReadString();
var props = reader.ReadMap();
return(new Relationship(urn, -1, -1, relType, props));
}
public object Read(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("LocalTime", StructSize, size);
var nanosOfDay = reader.ReadLong();
return(new CypherTime(nanosOfDay));
}
public override object Deserialize(IPackStreamReader reader, byte signature, long size)
{
var values = reader.ReadMap();
var code = values["code"]?.ToString();
var message = values["message"]?.ToString();
return(new FailureMessage(code, message));
}
public object Read(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("Date", StructSize, size);
var epochDays = reader.ReadLong();
return(TemporalHelpers.EpochDaysToDate(epochDays));
}
public object Read(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("LocalTime", StructSize, size);
var nanosOfDay = reader.ReadLong();
return(TemporalHelpers.NanoOfDayToTime(nanosOfDay));
}
public object Read(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("LocalDateTime", StructSize, size);
var epochSeconds = reader.ReadLong();
var nanosOfSecond = reader.ReadInteger();
return(new CypherDateTime(epochSeconds, nanosOfSecond));
}
public object Deserialize(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("Time", StructSize, size);
var nanosOfDay = reader.ReadLong();
var offsetSeconds = reader.ReadInteger();
return(new OffsetTime(TemporalHelpers.NanoOfDayToTime(nanosOfDay), offsetSeconds));
}
public object Deserialize(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("LocalDateTime", StructSize, size);
var epochSeconds = reader.ReadLong();
var nanosOfSecond = reader.ReadInteger();
return(TemporalHelpers.EpochSecondsAndNanoToDateTime(epochSeconds, nanosOfSecond));
}
public object Read(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("Time", StructSize, size);
var nanosOfDay = reader.ReadLong();
var offsetSeconds = reader.ReadInteger();
return(new CypherTimeWithOffset(nanosOfDay, offsetSeconds));
}
public override object Read(IPackStreamReader reader, byte signature, long size)
{
var urn = reader.ReadLong();
var startUrn = reader.ReadLong();
var endUrn = reader.ReadLong();
var relType = reader.ReadString();
var props = reader.ReadMap();
return(new Relationship(urn, startUrn, endUrn, relType, props));
}
public object Read(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("DateTimeWithOffset", StructSize, size);
var epochSecondsUtc = reader.ReadLong();
var nanosOfSecond = reader.ReadInteger();
var offsetSeconds = reader.ReadInteger();
return(new CypherDateTimeWithOffset(epochSecondsUtc, nanosOfSecond, offsetSeconds));
}
public object Read(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("DateTimeWithZoneId", StructSize, size);
var epochSecondsUtc = reader.ReadLong();
var nanosOfSecond = reader.ReadInteger();
var zoneId = reader.ReadString();
return(new CypherDateTimeWithZoneId(epochSecondsUtc, nanosOfSecond, zoneId));
}
public object Read(IPackStreamReader reader, byte signature, long size)
{
var values = new List <object>();
for (var i = 0; i < size; i++)
{
values.Add(reader.Read());
}
return(new StructType(values));
}
public BoltReader(IChunkReader chunkReader, int defaultBufferSize, int maxBufferSize, ILogger logger, bool supportBytes)
{
Throw.ArgumentNullException.IfNull(chunkReader, nameof(chunkReader));
_logger = logger;
_chunkReader = chunkReader;
_defaultBufferSize = defaultBufferSize;
_maxBufferSize = maxBufferSize;
_bufferStream = new MemoryStream(_defaultBufferSize);
_packStreamReader = supportBytes ? new PackStreamReader(_bufferStream, StructHandlers) : new PackStreamReaderBytesIncompatible(_bufferStream, StructHandlers);
}
public object Deserialize(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize("Duration", StructSize, size);
var months = reader.ReadLong();
var days = reader.ReadLong();
var seconds = reader.ReadLong();
var nanos = reader.ReadInteger();
return(new Duration(months, days, seconds, nanos));
}
public MessageReader(IChunkReader chunkReader, int defaultBufferSize, int maxBufferSize, ILogger logger, IMessageFormat messageFormat)
{
Throw.ArgumentNullException.IfNull(chunkReader, nameof(chunkReader));
Throw.ArgumentNullException.IfNull(messageFormat, nameof(messageFormat));
_logger = logger;
_chunkReader = chunkReader;
_defaultBufferSize = defaultBufferSize;
_maxBufferSize = maxBufferSize;
_bufferStream = new MemoryStream(_defaultBufferSize);
_packStreamReader = messageFormat.CreateReader(_bufferStream);
}
public BoltReader(IChunkReader chunkReader, int defaultBufferSize, int maxBufferSize, ILogger logger, IPackStreamFactory packStreamFactory)
{
Throw.ArgumentNullException.IfNull(chunkReader, nameof(chunkReader));
Throw.ArgumentNullException.IfNull(packStreamFactory, nameof(packStreamFactory));
_logger = logger;
_chunkReader = chunkReader;
_defaultBufferSize = defaultBufferSize;
_maxBufferSize = maxBufferSize;
_bufferStream = new MemoryStream(_defaultBufferSize);
_packStreamReader = packStreamFactory.CreateReader(_bufferStream);
}
public override object Deserialize(IPackStreamReader reader, byte signature, long size)
{
var fieldCount = (int)reader.ReadListHeader();
var fields = new object[fieldCount];
for (var i = 0; i < fieldCount; i++)
{
fields[i] = reader.Read();
}
return(new RecordMessage(fields));
}
public override object Read(IPackStreamReader reader, byte signature, long size)
{
var urn = reader.ReadLong();
var numLabels = (int)reader.ReadListHeader();
var labels = new List <string>(numLabels);
for (var i = 0; i < numLabels; i++)
{
labels.Add(reader.ReadString());
}
var numProps = (int)reader.ReadMapHeader();
var props = new Dictionary <string, object>(numProps);
for (var j = 0; j < numProps; j++)
{
var key = reader.ReadString();
props.Add(key, reader.Read());
}
return(new Node(urn, labels, props));
}
public object Deserialize(IPackStreamReader reader, byte signature, long size)
{
PackStream.EnsureStructSize($"ZonedDateTime[{(char) signature}]", StructSize, size);
var epochSecondsUtc = reader.ReadLong();
var nanosOfSecond = reader.ReadInteger();
switch (signature)
{
case StructTypeWithId:
return(new ZonedDateTime(
TemporalHelpers.EpochSecondsAndNanoToDateTime(epochSecondsUtc, nanosOfSecond),
Zone.Of(reader.ReadString())));
case StructTypeWithOffset:
return(new ZonedDateTime(
TemporalHelpers.EpochSecondsAndNanoToDateTime(epochSecondsUtc, nanosOfSecond),
Zone.Of(reader.ReadInteger())));
default:
throw new ProtocolException(
$"Unsupported struct signature {signature} passed to {nameof(ZonedDateTimeSerializer)}!");
}
}
public override object Read(IPackStreamReader reader, byte signature, long size)
{
// List of unique nodes
var uniqNodes = new INode[(int)reader.ReadListHeader()];
for (var i = 0; i < uniqNodes.Length; i++)
{
var node = reader.Read() as INode;
Throw.ProtocolException.IfFalse(node != null, "receivedNode");
uniqNodes[i] = node;
}
// List of unique relationships, without start/end information
var uniqRels = new Relationship[(int)reader.ReadListHeader()];
for (var i = 0; i < uniqRels.Length; i++)
{
var uniqRel = reader.Read() as Relationship;
Throw.ProtocolException.IfFalse(uniqRel != null, "receivedUnboundRelationship");
uniqRels[i] = uniqRel;
}
// Path sequence
var length = (int)reader.ReadListHeader();
// Knowing the sequence length, we can create the arrays that will represent the nodes, rels and segments in their "path order"
var segments = new ISegment[length / 2];
var nodes = new INode[segments.Length + 1];
var rels = new IRelationship[segments.Length];
var prevNode = uniqNodes[0];
nodes[0] = prevNode;
for (var i = 0; i < segments.Length; i++)
{
var relIdx = (int)reader.ReadLong();
var nextNode =
uniqNodes[(int)reader.ReadLong()]; // Start node is always 0, and isn't encoded in the sequence
// Negative rel index means this rel was traversed "inversed" from its direction
Relationship rel;
if (relIdx < 0)
{
rel = uniqRels[(-relIdx) - 1]; // -1 because rel idx are 1-indexed
rel.SetStartAndEnd(nextNode.Id, prevNode.Id);
}
else
{
rel = uniqRels[relIdx - 1];
rel.SetStartAndEnd(prevNode.Id, nextNode.Id);
}
nodes[i + 1] = nextNode;
rels[i] = rel;
segments[i] = new Segment(prevNode, rel, nextNode);
prevNode = nextNode;
}
return(new Path(segments.ToList(), nodes.ToList(), rels.ToList()));
}
internal PackStreamReaderMachine(byte[] bytes, Func<Stream, IPackStreamReader> readerFactory)
{
this._input = new MemoryStream(bytes);
this._reader = readerFactory(_input);
}
public override object Read(IPackStreamReader reader, byte signature, long size)
{
return(new IgnoredMessage());
}
public object Read(IPackStreamReader reader, byte signature, long size)
{
throw new ProtocolException(
$"{GetType().Name}: It is not expected to receive a struct of signature {signature:X2} from the server.");
}
public override object Read(IPackStreamReader reader, byte signature, long size)
{
return(Ignored);
}
public abstract object Read(IPackStreamReader reader, byte signature, long size);
public abstract object Deserialize(IPackStreamReader reader, byte signature, long size);
public override object Deserialize(IPackStreamReader reader, byte signature, long size)
{
var map = reader.ReadMap();
return(new SuccessMessage(map));
}
