/// <summary>
/// Prepares the and construct.
/// </summary>
/// <param name="task">The task.</param>
/// <param name="output">The output.</param>
public void PrepareAndConstruct(TableExtractionTask task, List <TableExtractionChain> output)
{
//List<SourceTable> sourceTables =
//var sourceDict = output.ToDictionary(x => x.source);
switch (task.multiNodePolicy)
{
case TaskMultiNodePolicy.AsSingleTableRows:
case TaskMultiNodePolicy.AsSignleTableColumns:
var st = output.Select(x => x.source).ToList();
output.Clear();
SourceTable sti = st[0];
SourceTable final = sti;
for (int i = 1; i < st.Count; i++)
{
if (task.multiNodePolicy == TaskMultiNodePolicy.AsSingleTableRows)
{
final = final.MergeAsRows(st[i]);
}
else
{
final = final.MergeAsColumns(st[i]);
}
}
TableExtractionChain chain = new TableExtractionChain()
{
source = final,
name = task.resultTableNamePrefix
};
//sourceTables.Add(final);
// if (firstMetaTable == null) firstMetaTable = ch.meta;
output.Add(chain);
break;
default:
case TaskMultiNodePolicy.AsSeparatedTables:
// foreach (var ch in output)
// {
// sourceTables.Add(ch.source);
//// ch.meta = Construct(ch.source, task);
// // if (firstMetaTable == null) firstMetaTable = ch.meta;
// }
break;
}
var mode = task.score.executionMode;
for (int i2 = 0; i2 < output.Count; i2++)
{
var metaDescription = ConstructDescription(output[i2].source, task);
if (mode != ExtractionTaskEngineMode.Training)
{
var metaTable = Construct(output[i2].source, task);
if (metaTable != null)
{
metaTable.ExtraInfoEntries.Merge(task.ExtraInfoEntries);
metaTable.ExtraInfoEntries.Add(MetaTable.EXTRAINFOENTRYKEY_TASKNAME, task.name);
metaTable.ExtraInfoEntries.Add(MetaTable.EXTRAINFOENTRYKEY_EXTRACTORNAME, task.ExtractorName);
}
if (mode == ExtractionTaskEngineMode.Validation)
{
if (metaTable.Comment.isNullOrEmpty())
{
metaTable.Comment = "Constructed by " + GetType().Name;
}
}
AfterConstruction(metaTable, task);
output[i2].meta = metaTable;
}
}
}