public VowpalWabbitExampleCollection Serialize(TExample example, Interfaces.ILabel label = null, int?index = null)
{
VowpalWabbitExample shared = null;
var adf = new List <VowpalWabbitExample>();
try
{
if (this.sharedSerializer != null)
{
shared = this.sharedSerializer.Serialize(example, SharedLabel.Instance);
}
var adfCollection = this.adfAccessor(example);
if (adfCollection != null)
{
var i = 0;
foreach (var adfExample in adfCollection)
{
adf.Add(this.adfSerializer.Serialize(adfExample, index != null && i == index ? label : null));
i++;
}
}
return(new VowpalWabbitMultiLineExampleCollection(this.vw, shared, adf.ToArray()));
}
catch (Exception)
{
if (shared != null)
{
shared.Dispose();
}
foreach (var adfExample in adf)
{
adfExample.Dispose();
}
throw;
}
}
/// <summary>
/// Serializes the given <paramref name="example"/> to VW string format.
/// </summary>
/// <param name="example">The example to serialize.</param>
/// <param name="label">The label to serialize.</param>
/// <param name="index">The optional index of the example, the <paramref name="label"/> should be attributed to.</param>
/// <param name="dictionary">Dictionary used for dictify operation.</param>
/// <param name="fastDictionary">Dictionary used for dictify operation.</param>
/// <returns>The resulting VW string.</returns>
public string SerializeToString(TExample example, Interfaces.ILabel label = null, int?index = null, Dictionary <string, string> dictionary = null, Dictionary <object, string> fastDictionary = null)
{
var sb = new StringBuilder();
if (this.sharedSerializer != null)
{
sb.AppendLine(this.sharedSerializer.SerializeToString(example, SharedLabel.Instance, null, dictionary, fastDictionary));
}
var adfCollection = this.adfAccessor(example);
if (adfCollection != null)
{
var i = 0;
foreach (var adfExample in adfCollection)
{
sb.AppendLine(this.adfSerializer.SerializeToString(adfExample, index != null && i == index ? label : null, null, dictionary, fastDictionary));
i++;
}
}
return(sb.ToString());
}
