public HaystackGrid()
{
Meta = new HaystackDictionary();
_columns = new List <HaystackColumn>();
_rows = new List <HaystackRow>();
_columnsByName = new Dictionary <string, HaystackColumn>();
}
public HaystackHistoryItem(HaystackDictionary dictionary)
{
if (dictionary is null)
{
throw new ArgumentNullException(nameof(dictionary));
}
TimeStamp = (HaystackDateTime)dictionary["ts"];
Value = dictionary.ContainsKey("val") ? dictionary["val"] : null;
}
public HaystackGrid(HaystackDictionary[] rows, HaystackDictionary meta = null)
{
var columnNames = rows
.SelectMany(row => row.Keys)
.Distinct()
.ToArray();
_columns = columnNames
.Select((name, idx) => new HaystackColumn(idx, name))
.ToList();
_columnsByName = _columns.ToDictionary(col => col.Name);
_rows = rows
.Select(row => new HaystackRow(this, columnNames.Select(col => row.ContainsKey(col) ? row[col] : null).ToArray()))
.ToList();
Meta = meta ?? new HaystackDictionary();
}
public static HDict Map(HaystackDictionary value)
{
return(new HDict(value));
}
public HaystackGrid(HaystackHistoryItem[] historyItems, HaystackDictionary meta = null)
{
_columns = new[] { new HaystackColumn(0, "ts"), new HaystackColumn(1, "val") }.ToList();
_rows = historyItems.Select(item => new HaystackRow(this, item.TimeStamp, item.Value)).ToList();
Meta = meta ?? new HaystackDictionary();
}
public HaystackGrid(List <HaystackColumn> columns, List <HaystackValue[]> rowData, HaystackDictionary meta = null)
{
var duplicates = columns
.GroupBy(col => col.Name)
.Where(grp => grp.Count() > 1)
.Select(grp => grp.Key)
.ToArray();
if (duplicates.Any())
{
throw new ArgumentException($"Detected duplicate column(s): {string.Join(", ", duplicates)}");
}
_columns = columns;
_columnsByName = _columns.ToDictionary(col => col.Name);
_rows = rowData.Select(row => new HaystackRow(this, row)).ToList();
Meta = meta ?? new HaystackDictionary();
}
public HDict(HaystackDictionary source)
{
Source = source;
}
public HDict(IDictionary <string, HVal> map)
{
Source = new HaystackDictionary(map.ToDictionary(kv => kv.Key, kv => M.Map(kv.Value)));
}
