public override IEnumerable <Row> Execute(IEnumerable <Row> rows)
{
PrepareSchema();
using (var writer = new LuceneWriter(_folder)) {
foreach (var row in rows)
{
if (row["action"] == null)
{
throw new InvalidOperationException("There is no action column. A valid action is None, Create, or Update!");
}
var action = row["action"].ToString();
row.Remove("action");
_counters[action] += 1;
switch (action)
{
case "None":
break;
case "Create":
writer.Add(RowToDoc(row));
break;
case "Delete":
writer.Delete(row["id"].ToString());
break;
case "Update":
writer.Update(row["id"].ToString(), RowToDoc(row));
break;
}
}
writer.Commit();
writer.Optimize();
}
Info("Lucene Create: {0}, Update: {1}, and None: {2}.", _counters["Create"], _counters["Update"], _counters["None"]);
yield break;
}
