public ExtendedCacheTransform(IHostEnvironment env, Arguments args, IDataView input)
: base(env, RegistrationName, input)
{
Host.CheckValue(args, "args");
Host.CheckUserArg(args.inDataFrame || !string.IsNullOrEmpty(args.cacheFile), "cacheFile cannot be empty if inDataFrame is false.");
Host.CheckUserArg(!args.async || args.inDataFrame, "inDataFrame must be true if async is true.");
Host.CheckUserArg(!args.numTheads.HasValue || args.numTheads > 0, "numThread must be > 0 if specified.");
var saverSettings = args.saverSettings as ICommandLineComponentFactory;
Host.CheckValue(saverSettings, nameof(saverSettings));
_saverSettings = string.Format("{0}{{{1}}}", saverSettings.Name, saverSettings.GetSettingsString());
_saverSettings = _saverSettings.Replace("{}", "");
if (!_saverSettings.ToLower().StartsWith("binary"))
{
throw env.ExceptNotSupp("Only binary format is supported.");
}
_inDataFrame = args.inDataFrame;
_cacheFile = args.cacheFile;
_reuse = args.reuse;
_async = args.async;
_numThreads = args.numTheads;
var saver = ComponentCreation.CreateSaver(Host, _saverSettings);
if (saver == null)
{
throw Host.Except("Cannot parse '{0}'", _saverSettings);
}
_pipedTransform = CreatePipeline(env, input);
}
public SortInDataFrameTransform(IHostEnvironment env, Arguments args, IDataView input)
: base(env, RegistrationName, input)
{
Host.CheckValue(args, "args");
Host.CheckUserArg(!args.numThreads.HasValue || args.numThreads.Value > 0, "numThreads cannot be negative.");
if (!string.IsNullOrEmpty(args.sortColumn))
{
var schema = input.Schema;
int index = SchemaHelper.GetColumnIndex(schema, args.sortColumn);
var type = schema[index].Type;
Host.Check(!type.IsVector(), "sortColumn cannot be a vector.");
}
_reverse = args.reverse;
_sortColumn = args.sortColumn;
_numThreads = args.numThreads;
_transform = CreateTemplatedTransform();
}
private SortInDataFrameTransform(IHost host, ModelLoadContext ctx, IDataView input) : base(host, input)
{
Host.CheckValue(input, "input");
Host.CheckValue(ctx, "ctx");
_sortColumn = ctx.Reader.ReadString();
Host.AssertValue(_sortColumn);
var schema = input.Schema;
int index = SchemaHelper.GetColumnIndex(schema, _sortColumn);
var type = schema[index].Type;
Host.Check(!type.IsVector(), "sortColumn cannot be a vector.");
_reverse = ctx.Reader.ReadBoolean();
_numThreads = ctx.Reader.ReadInt32();
if (_numThreads < 0)
{
_numThreads = null;
}
_transform = CreateTemplatedTransform();
}
private ExtendedCacheTransform(IHost host, ModelLoadContext ctx, IDataView input) :
base(host, input)
{
Host.CheckValue(input, "input");
Host.CheckValue(ctx, "ctx");
_inDataFrame = ctx.Reader.ReadBoolean();
_async = ctx.Reader.ReadBoolean();
_numThreads = ctx.Reader.ReadInt32();
host.Check(_numThreads > -2, "_numThreads");
if (_numThreads < 0)
{
_numThreads = null;
}
_saverSettings = ctx.Reader.ReadString();
if (_inDataFrame)
{
_cacheFile = null;
_reuse = false;
}
else
{
_cacheFile = ctx.Reader.ReadString();
_reuse = ctx.Reader.ReadBoolean();
host.CheckValue(_cacheFile, "_cacheFile");
}
var saver = ComponentCreation.CreateSaver(Host, _saverSettings);
if (saver == null)
{
throw Host.Except("Cannot parse '{0}'", _saverSettings);
}
_pipedTransform = CreatePipeline(host, input);
}