public IEnumerable <float> Load(string pFilename)
{
#if PRINT_TIME_DATA
DateTime startTime = DateTime.Now;
#endif
FileStream f = new FileStream(pFilename, FileMode.Open);
StreamReader sw = new StreamReader(f);
while (!sw.EndOfStream)
{
string tableName = sw.ReadLine();
int tableCount = Convert.ToInt32(sw.ReadLine());
string[] fieldNames = JsonConvert.DeserializeObject <string[]>(sw.ReadLine());
string[] typeNames = JsonConvert.DeserializeObject <string[]>(sw.ReadLine());
TableTwo newTable = new TableTwo(tableName);
AddFieldsToTable(newTable, fieldNames, typeNames);
for (int i = 0; i < tableCount; i++)
{
SerializableTableRow r = JsonConvert.DeserializeObject <SerializableTableRow>(sw.ReadLine());
if (r.row >= newTable.capacity)
{
newTable.SetCapacity(r.row + 1);
}
r.InsertToTable(newTable);
}
tables.Add(newTable.name, newTable);
yield return(((float)sw.BaseStream.Position) / ((float)sw.BaseStream.Length));
}
f.Flush();
f.Close();
f.Dispose();
#if PRINT_TIME_DATA
TimeSpan span = DateTime.Now - startTime;
Console.WriteLine("Loading " + pFilename + " took " + span.TotalSeconds + " seconds");
#endif
}
public RelayTwo Subset(string pTableName, Func <TableRow, bool> pPredicate)
{
RelayTwo relaySubset = new RelayTwo();
TableTwo tableSubset = relaySubset.CreateTable(pTableName);
TableTwo sourceTable = tables[pTableName];
foreach (ITableField f in sourceTable.fields)
{
tableSubset.AddField(f.GetEmptyCopy());
}
tableSubset.SetCapacity(sourceTable.capacity);
foreach (TableRow sourceRow in sourceTable.Where(pPredicate))
{
SerializableTableRow newRow = sourceRow.GetSerializableTableRow();
newRow.InsertToTable(tableSubset);
//Console.WriteLine("added row " + newRow.row);
}
return(relaySubset);
}
public void MergeWith(RelayTwo pSource)
{
foreach (TableTwo targetTable in tables.Values)
{
if (pSource.tables.ContainsKey(targetTable.name))
{
TableTwo sourceTable = pSource.tables[targetTable.name];
// Add missing fields to targetTable
foreach (ITableField field in sourceTable.fields)
{
if (!targetTable.fieldNames.Contains(field.name))
{
targetTable.AddField(field.GetEmptyCopy());
}
}
// Add missing fields to sourceTable
foreach (ITableField field in targetTable.fields)
{
if (!sourceTable.fieldNames.Contains(field.name))
{
sourceTable.AddField(field.GetEmptyCopy());
}
}
if (sourceTable.capacity > targetTable.capacity)
{
targetTable.SetCapacity(sourceTable.capacity);
}
foreach (TableRow r in sourceTable)
{
SerializableTableRow sr = r.GetSerializableTableRow();
if (targetTable.ContainsRow(sr.row))
{
throw new RelayMergeException("table " + targetTable.name + " does already contain row " + sr.row);
}
sr.InsertToTable(targetTable);
}
}
}
// Copy complete tables from subsetB if they don't exist in this relay
foreach (TableTwo tableB in pSource.tables.Values)
{
if (!tables.ContainsKey(tableB.name))
{
TableTwo newTable = CreateTable(tableB.name);
// Add fields to the new table
foreach (ITableField field in tableB.fields)
{
newTable.AddField(field.GetEmptyCopy());
}
newTable.SetCapacity(tableB.capacity);
foreach (TableRow r in tableB)
{
SerializableTableRow sr = r.GetSerializableTableRow();
sr.InsertToTable(newTable);
}
}
}
}