/// <summary>
/// Creates a series of columns in <paramref name="edgeAttribs"/> based on the names in <paramref name="edgeHeaders"/>.
/// </summary>
/// <param name="edgeAttribs">An IEdgeAttributes object</param>
/// <param name="edgeHeaders">The edge header names read in from the file, (items are assumed to be unique).</param>
/// <param name="writerHelper">An IKnownHeaderNamesHelper object to help</param>
internal void CreateEdgeAttribs_XXX(IEdgeAttributes edgeAttribs, List<HeaderField> edgeHeaders, IKnownHeaderNamesReaderHelper writerHelper)
{
// Assumes nodeHeaders has unique entries
// for each entry in headHeaderNames
// check if it is a known entry
// if it is
// create an attrib of that type
// else
// create an attrib of type string (defaut)
HeaderMatch match = null;
int attribColIndex = -1;
foreach (var header in edgeHeaders)
{
match = writerHelper.GetKnownEdgeHeader(header.AttribColName);
if (match != null)
{
attribColIndex = edgeAttribs.EdgeData.AddColumn(match.NameToUse ?? header.AttribColName, match.DataType);
}
else
{
attribColIndex = edgeAttribs.EdgeData.AddColumn(header.AttribColName, typeof(string));
}
header.AttribColumnIndex = attribColIndex;
}
}
/// <summary>
/// Populates <paramref name="copyTable"/> with node attribute data from <paramref name="srcNetwork"/>.
/// The input table is assumed to have the correct structure (columns etc) but be empty of
/// row data.
/// </summary>
/// <param name="srcNetwork">The srcNetwork to extract node data attribs</param>
/// <param name="includeEdgeIndices">If true include a col of node indices</param>
/// <param name="copyTable">The empty, structured, table to be populated</param>
/// <remarks>The reason for passing in the table is that it can be a plain datatable or a BasicFrame.</remarks>
internal void PopulateTable(IEdgeAttributes srcNetwork, bool includeEdgeIndices, DataTable copyTable)
{
var srcTable = srcNetwork.EdgeData as DataAttributeTable<IEdge>;
if (!includeEdgeIndices)
{
for (int i = 0; i < srcTable.Rows.Count; i++)
{
copyTable.ImportRow(srcTable.Rows[i]);
}
}
else
{
DataRow newRow = null;
foreach (KeyValuePair<IEdge, DataRow> kvp in srcTable.RowOwnerMap)
{
newRow = copyTable.NewRow();
newRow[0] = kvp.Key.Index;
for (int i = 0; i < srcNetwork.EdgeDataAttributeCount; i++)
{
newRow[i + 1] = kvp.Value[i];
}
copyTable.Rows.Add(newRow);
}
copyTable.AcceptChanges();
}
}
/// <summary>
/// Creates a series of columns in <paramref name="edgeAttribs"/> based on the names in <paramref name="edgeHeaders"/>.
/// All types are left as strings.
/// </summary>
/// <param name="edgeAttribs">An IEdgeAttributes object</param>
/// <param name="edgeHeaders">The edge header names read in from the file, (items are assumed to be unique).</param>
internal void CreateEdgeAttribs(IEdgeAttributes edgeAttribs, List<HeaderField> edgeHeaders)
{
// Assumes nodeHeaders has unique entries
// for each entry in edgeHeaders
// create an attrib of type defined by the header
// and assign the index of the attrib back to he header
foreach (var header in edgeHeaders)
{
header.AttribColumnIndex = edgeAttribs.EdgeData.AddColumn(header.AttribColName, header.AttribColumnType);
}
}
/// <summary>
/// Assigns the value to <paramref name="edge"/> using the appropriate <see cref="IEdgeMap"/>. The edge map
/// corresponds to <paramref name="mapKeyId."/>
/// </summary>
/// <param name="mapKeyId">The string id of the <see cref="Key"/> object which corresponds to IEdgeMap to use.</param>
/// <param name="rawVal">The raw string value which is to be converted to its final data type.</param>
/// <param name="edge">The IEdge which will have the value assigned to it.</param>
/// <param name="network">The parent network.</param>
internal void MapEdgeAttrib(string mapKey, string rawVal, IEdge edge, IEdgeAttributes network)
{
Key key = EdgeDataMapKeys[mapKey];
var value = Convert.ChangeType(rawVal, key.DataType);
network.EdgeData.SetValue(edge, key.Index, value);
}
internal void CreateEdgeMaps(IEdgeAttributes network, IDictionary<string, Key> edgeDataMapKeys)
{
foreach (KeyValuePair<string, Key> kvp in edgeDataMapKeys)
{
CreateDataAttribute(network, kvp.Value);
}
}
internal void CreateDataAttribute(IEdgeAttributes network, Key mapKey)
{
int index = network.EdgeData.AddColumn(mapKey.Name, mapKey.DataType);
}
/// <summary>
/// Creates a series of columns in <paramref name="edgeAttribs"/> based on the names in <paramref name="headerFields"/>.
/// All types are left as strings.
/// </summary>
/// <param name="edgeAttribs">An IEdgeAttributes object</param>
/// <param name="headerFields">The edge header names read in from the file, (items are assumed to be unique).</param>
internal void CreateEdgeAttribs(IEdgeAttributes edgeAttribs, List<HeaderField> headerFields)
{
// Assumes nodeHeaders has unique entries
// for each entry in headHeaderNames
// create an attrib of type string (defaut)
int attribColIndex = -1;
foreach (var header in headerFields)
{
attribColIndex = edgeAttribs.EdgeData.AddColumn(header.Name, typeof(string));
header.IndexOfTargetAttribColumn = attribColIndex;
}
}
