/// <summary>
/// Enumerates records from a stream in the Naiad serialization format.
/// </summary>
/// <typeparam name="TRecord">Type of record in the stream</typeparam>
/// <param name="stream">A stream containing records serialized in the Naiad messaging format</param>
/// <returns>An enumeration of records in the stream</returns>
public static IEnumerable <TRecord> GetNaiadReaderEnumerable <TRecord>(System.IO.Stream stream)
{
using (NaiadReader <TRecord> reader = new NaiadReader <TRecord>(stream))
{
TRecord nextElement;
while (reader.TryRead(out nextElement))
{
yield return(nextElement);
}
}
}
/// <summary>
/// Enumerates records from a stream in the Naiad serialization format.
/// </summary>
/// <typeparam name="TRecord">Type of record in the stream</typeparam>
/// <param name="stream">A stream containing records serialized in the Naiad messaging format</param>
/// <param name="codeGenerator">code generator</param>
/// <returns>An enumeration of records in the stream</returns>
internal static IEnumerable <TRecord> GetNaiadReaderEnumerable <TRecord>(System.IO.Stream stream, SerializationFormat codeGenerator)
{
NaiadReader reader = new NaiadReader(stream, codeGenerator);
NaiadSerialization <TRecord> deserializer = codeGenerator.GetSerializer <TRecord>();
TRecord nextElement;
while (reader.TryRead <TRecord>(deserializer, out nextElement))
{
yield return(nextElement);
}
}
/// <summary>
/// Enumerates batches of records from a stream in the Naiad serialization format.
/// </summary>
/// <typeparam name="TRecord">Type of record in the stream</typeparam>
/// <param name="stream">A stream containing records serialized in the Naiad messaging format</param>
/// <param name="batchSize">number of records per batch</param>
/// <returns>An enumeration of records in the stream</returns>
public static IEnumerable <ArraySegment <TRecord> > GetNaiadReaderBatchEnumerable <TRecord>(
System.IO.Stream stream, int batchSize)
{
using (NaiadReader <TRecord> reader = new NaiadReader <TRecord>(stream))
{
int batchIndex;
do
{
TRecord[] batch = new TRecord[batchSize];
for (batchIndex = 0; batchIndex < batchSize; ++batchIndex)
{
if (!reader.TryRead(out batch[batchIndex]))
{
break;
}
}
if (batchIndex > 0)
{
yield return(new ArraySegment <TRecord>(batch, 0, batchIndex));
}
} while (batchIndex == batchSize);
}
}
