private ResultProjectionInfo ProjectTransactionBulkInfo(
RedisResultInfo.TransactionBulk transactionBulk)
{
var projectionInfo = new ResultProjectionInfo(
transactionBulk,
ResultProjectionKind.Transaction);
projectionInfo.Children.AddRange(
Project(transactionBulk.Array));
return(projectionInfo);
}
public IObservable <StructProjectionInfo> Project(
ResultProjectionInfo resultProjectionInfo)
{
if (resultProjectionInfo == null)
{
return(Observable.Return(
new StructProjectionInfo(null, StructProjectionKind.None)));
}
var key = Encoding.UTF8.GetString(resultProjectionInfo.Value);
return(_clientAccessor.With(
resultProjectionInfo.Result.TargetInfo,
client => client.Type(key))
.Select(type =>
{
switch (type)
{
case "string":
return new StructProjectionInfo(
resultProjectionInfo, StructProjectionKind.String);
case "list":
return new StructProjectionInfo(
resultProjectionInfo, StructProjectionKind.List);
case "set":
return new StructProjectionInfo(
resultProjectionInfo, StructProjectionKind.Set);
case "zset":
return new StructProjectionInfo(
resultProjectionInfo, StructProjectionKind.ZSet);
case "hash":
return new StructProjectionInfo(
resultProjectionInfo, StructProjectionKind.Hash);
}
return new StructProjectionInfo(
resultProjectionInfo, StructProjectionKind.None);
}));
}
private ResultProjectionInfo ProjectMultiBulkInfo(
RedisResultInfo.MultiBulk multiBulk)
{
var projectionInfo = new ResultProjectionInfo(
multiBulk,
ResultProjectionKind.Array);
var commandInfo = multiBulk.CommandInfo;
var commandName = commandInfo?.Name?.ToLowerInvariant();
switch (commandName)
{
case "keys":
projectionInfo.Children.AddRange(
Project(multiBulk.Array)
.Select((p, i) =>
{
switch (p.Kind)
{
case ResultProjectionKind.Value:
p = ProjectBulkInfo(
p.Result as RedisResultInfo.Bulk,
ResultProjectionKind.Key);
p.Index = i;
return(p);
default:
return(p);
}
}));
break;
case "scan":
projectionInfo.Children.AddRange(
Project(multiBulk.Array)
.Select(p =>
{
switch (p.Kind)
{
case ResultProjectionKind.Array:
for (int i = 0; i < p.Children.Count; i++)
{
p.Children[i] = ProjectBulkInfo(
p.Children[i].Result as RedisResultInfo.Bulk,
ResultProjectionKind.Key);
p.Children[i].Index = i;
}
return(p);
default:
return(p);
}
}));
break;
case "sscan":
projectionInfo.Children.AddRange(
Project(multiBulk.Array)
.Select(p =>
{
switch (p.Kind)
{
case ResultProjectionKind.Array:
for (int i = 0; i < p.Children.Count; i++)
{
p.Children[i] = ProjectBulkInfo(
p.Children[i].Result as RedisResultInfo.Bulk,
ResultProjectionKind.SKey);
p.Children[i].Index = i;
}
return(p);
default:
return(p);
}
}));
break;
case "hscan":
projectionInfo.Children.AddRange(
Project(multiBulk.Array)
.Select(p =>
{
switch (p.Kind)
{
case ResultProjectionKind.Array:
for (int i = 0; i < p.Children.Count; i++)
{
p.Children[i] = ProjectBulkInfo(
p.Children[i].Result as RedisResultInfo.Bulk,
i % 2 == 0
? ResultProjectionKind.HKey
: ResultProjectionKind.Value);
p.Children[i].Index = i;
}
return(p);
default:
return(p);
}
}));
break;
case "zscan":
projectionInfo.Children.AddRange(
Project(multiBulk.Array)
.Select(p =>
{
switch (p.Kind)
{
case ResultProjectionKind.Array:
for (int i = 0; i < p.Children.Count; i++)
{
p.Children[i] = ProjectBulkInfo(
p.Children[i].Result as RedisResultInfo.Bulk,
i % 2 == 0
? ResultProjectionKind.ZKey
: ResultProjectionKind.Value);
p.Children[i].Index = i;
}
return(p);
default:
return(p);
}
}));
break;
default:
projectionInfo.Children.AddRange(
Project(multiBulk.Array));
break;
}
for (int i = 0; i < projectionInfo.Children.Count; i++)
{
projectionInfo.Children[i].Index = i;
}
return(projectionInfo);
}
