/// <inheritdoc />
protected override async Task <Vertex> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var v = new Vertex(await reader.ReadAsync(stream).ConfigureAwait(false),
(string)await reader.ReadValueAsync <string>(stream, false).ConfigureAwait(false));
// discard properties
await reader.ReadAsync(stream).ConfigureAwait(false);
return(v);
}
/// <inheritdoc />
protected override async Task <Property> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var p = new Property((string)await reader.ReadValueAsync <string>(stream, false).ConfigureAwait(false),
await reader.ReadAsync(stream).ConfigureAwait(false));
// discard parent element
await reader.ReadAsync(stream).ConfigureAwait(false);
return(p);
}
/// <inheritdoc />
protected override async Task <VertexProperty> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var vp = new VertexProperty(await reader.ReadAsync(stream).ConfigureAwait(false),
(string)await reader.ReadValueAsync <string>(stream, false).ConfigureAwait(false),
await reader.ReadAsync(stream).ConfigureAwait(false));
// discard the parent vertex
await reader.ReadAsync(stream).ConfigureAwait(false);
// discard the properties
await reader.ReadAsync(stream).ConfigureAwait(false);
return(vp);
}
/// <inheritdoc />
protected override async Task <P> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var operatorName = (string)await reader.ReadValueAsync <string>(stream, false).ConfigureAwait(false);
var argsLength = (int)await reader.ReadValueAsync <int>(stream, false).ConfigureAwait(false);
var args = new object[argsLength];
for (var i = 0; i < argsLength; i++)
{
args[i] = await reader.ReadAsync(stream).ConfigureAwait(false);
}
if (operatorName == "and" || operatorName == "or")
{
return(new P(operatorName, (P)args[0], (P)args[1]));
}
if (operatorName == "not")
{
return(new P(operatorName, (P)args[0]));
}
if (argsLength == 1)
{
if (DataType == DataType.TextP)
{
return(new TextP(operatorName, (string)args[0]));
}
return(new P(operatorName, args[0]));
}
return(new P(operatorName, args));
}
/// <inheritdoc />
protected override async Task <Binding> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var key = (string)await reader.ReadValueAsync <string>(stream, false).ConfigureAwait(false);
var value = await reader.ReadAsync(stream).ConfigureAwait(false);
return(new Binding(key, value));
}
protected override async Task <JanusGraphP> ReadNonNullableValueAsync(Stream stream, GraphBinaryReader reader)
{
var operatorName = (string)await reader.ReadValueAsync <string>(stream, false).ConfigureAwait(false);
var value = await reader.ReadAsync(stream).ConfigureAwait(false);
return(new JanusGraphP(operatorName, value));
}
/// <inheritdoc />
protected override async Task <IDictionary <TKey, TValue> > ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var length = await stream.ReadIntAsync().ConfigureAwait(false);
var result = new Dictionary <TKey, TValue>(length);
for (var i = 0; i < length; i++)
{
var key = (TKey)await reader.ReadAsync(stream).ConfigureAwait(false);
var value = (TValue)await reader.ReadAsync(stream).ConfigureAwait(false);
result.Add(key, value);
}
return(result);
}
/// <inheritdoc />
protected override async Task <Traverser> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var bulk = (long)await reader.ReadValueAsync <long>(stream, false).ConfigureAwait(false);
var v = await reader.ReadAsync(stream).ConfigureAwait(false);
return(new Traverser(v, bulk));
}
/// <inheritdoc />
protected override async Task <Edge> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var id = await reader.ReadAsync(stream).ConfigureAwait(false);
var label = (string)await reader.ReadValueAsync <string>(stream, false).ConfigureAwait(false);
var inV = new Vertex(await reader.ReadAsync(stream).ConfigureAwait(false),
(string)await reader.ReadValueAsync <string>(stream, false).ConfigureAwait(false));
var outV = new Vertex(await reader.ReadAsync(stream).ConfigureAwait(false),
(string)await reader.ReadValueAsync <string>(stream, false).ConfigureAwait(false));
// discard possible parent vertex
await reader.ReadAsync(stream).ConfigureAwait(false);
// discard possible properties
await reader.ReadAsync(stream).ConfigureAwait(false);
return(new Edge(id, outV, label, inV));
}
/// <inheritdoc />
protected override async Task <Path> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var readLabelObjects = (List <object>) await reader.ReadAsync(stream).ConfigureAwait(false);
var labels = new List <ISet <string> >();
foreach (var labelObjectList in readLabelObjects)
{
var labelSet = new HashSet <string>();
foreach (var labelObj in (HashSet <object>)labelObjectList)
{
labelSet.Add((string)labelObj);
}
labels.Add(labelSet);
}
var objects = (List <object>) await reader.ReadAsync(stream).ConfigureAwait(false);
return(new Path(labels, objects));
}
private static async Task <object[]> ReadArgumentsAsync(Stream stream, GraphBinaryReader reader)
{
var valuesLength = (int)await reader.ReadValueAsync <int>(stream, false).ConfigureAwait(false);
var values = new object[valuesLength];
for (var i = 0; i < valuesLength; i++)
{
values[i] = await reader.ReadAsync(stream).ConfigureAwait(false);
}
return(values);
}
/// <inheritdoc />
protected override async Task <TSet> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var length = (int)await reader.ReadValueAsync <int>(stream, false).ConfigureAwait(false);
var result = new TSet();
for (var i = 0; i < length; i++)
{
result.Add((TMember)await reader.ReadAsync(stream).ConfigureAwait(false));
}
return(result);
}
/// <inheritdoc />
protected override async Task <TList> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var length = (int)await reader.ReadValueAsync <int>(stream, false).ConfigureAwait(false);
var result = new TList();
for (var i = 0; i < length; i++)
{
var value = await reader.ReadAsync(stream).ConfigureAwait(false);
var bulk = (long)await reader.ReadValueAsync <long>(stream, false).ConfigureAwait(false);
for (var j = 0; j < bulk; j++)
{
result.Add(value);
}
}
return(result);
}
/// <inheritdoc />
protected override async Task <TEnum> ReadValueAsync(Stream stream, GraphBinaryReader reader)
{
var enumValue = (string)await reader.ReadAsync(stream).ConfigureAwait(false);
return(_readFunc.Invoke(enumValue));
}
